TW200417428A - A metal foil tube, a process and an apparatus for producing the same - Google Patents

Abstract

This invention provides a metal foil tube having a wall thickness of 10 to 100 μm, and a process and an apparatus for producing the same which surely finishes a thin metal foil into a tube. The metal foil tube is a tube which is produced by weld-bonding a metal foil material (W) having a thickness (t) of 10 to 100 μm, and the process comprises the steps of: forming a metal foil material (W) into a tube so as to have an overlapping portion (G), welding the opposite sides; and finishing the welded portion to be flat.

Description

发明 Description of the invention: C. The technical sales domain to which the invention belongs] Field of invention In the month you have about a new type of metal box tube and manufacturing device. More specifically, it is about toners for electronic photoprinters, laser printers (LBP), photocopiers, fax machines, etc., rollers, development rollers, and fixing rollers. Roller and other purchased metal cymbals, methods and manufacturing equipment. k L ^ tr Background of the Invention Today's electrophotographic printers, laser printers (lbp), printers, and fax machines are installed on the screen and exposed by f image signals. The toner image is formed by the camera, and the toner image is transferred to the recording paper, and the powder image is transferred to the recording paper, and is output by the thermal fixing of the fuser. On the contrary, the image forming process makes the aforementioned photosensitive drum or toner Various roller members such as baking rolls, pressure rollers, and fixing rollers. Generally, the front roller member is formed in a cylindrical or cylindrical shape and is driven by a driving split (horse driven. '≫ For It can be used as a toner, baking roller, developing roller, fixing roller, etc. for the above-mentioned electrophotographic printers, laser printers (LBP), photocopiers, and fax machines. Today's tubular metal thin-layer tubes must have the high elasticity, high rigidity, and high thermal conductivity of the metal, so that those who use this ultra-thinning technology must be lightweight and light on the surface. It can achieve the holding without any adverse effect on the clear full-color image quality. 10 15 20 Motion or rotation High uniform rotation accuracy is required, and durability is also required. Therefore, such a thin metal tube is formed and welded into a cylindrical shape by stamping, laser welding, plasma welding, etc. It is made into an unprocessed pipe (thick metal pipe), and then it is processed into a very thin thickness by thinning techniques such as stretching, spinning, drawing, and protrusion processing (refer to, for example, Japanese Patent Publication Gazette No. 2002_55557). It can also be used as a toner baking roller, developing roller for image forming devices such as the aforementioned electrophotographic printer, laser printer (LBP), photocopier, and facsimile machine. As a method for manufacturing a thin metal tube such as a fixing roller, there is a method in which an end face of a metal thin film layer is joined by using a thermoplastic resin (see, for example, Japanese Patent Laid-Open Publication No. 2000-280339). In the thin metal tube formed by adding κ metal thick tube (not made of κ metal thick tube) made by laser stun connection, electrical destruction stun connection, etc.-- About half, and the intensity is also reduced. For example, when the unprocessed pipe is thinned, its surface will be thicker than a metal rolled material (for example, not rougher (rough surface)). For example, when the spinning process is performed with about 90% of the processing, the surface roughness will be lame m 'and There are disadvantages of surface defects accompanied by thinning. Therefore, there will be unevenness of clear full-color day quality, sufficient techniques cannot be obtained, the manufacturing process is complicated, and the accuracy of vibration or rotation that is positively affected. The manufacturing cost of such a thinning technology is mostly high. — When using the method of joining thin metal end faces with a thermoplastic resin, the resin film covered to a thin film must be a thermoplastic resin. If it is not thermoplastic or thermosetting, Resin phases, such as imines, cannot be formed. 6 In addition, compared with metal bonding, the bonding strength of resin bonding is weaker, and it is not easy to have long-term durability. Especially when used at high temperatures, it may be found at the joint due to application. Due to the load, thermal embrittlement and other phenomena such as peeling of the joint are caused, and it is not suitable as a toner baking roll or the like. Further, it is necessary to uniformly coat the resin with the metal thin film, which increases manufacturing costs. Therefore, the object of the present invention is to provide an extremely smooth surface without the use of stamping or laser welding, plasma welding, thinning technology, resin materials, etc. Rigid, high thermal conductivity, extremely thin and lightweight, and has high uniform rotation accuracy such as vibration or rotation, will not adversely affect the clear full-color day quality, and is a novel metal with excellent durability Manufacturing thin-layer tube, manufacturing method and manufacturing device thereof. In order to achieve the foregoing object, the present inventors made an effort to review a novel thin metal tube, a manufacturing method and a manufacturing device thereof, and as a result, disclosed a method that does not use conventional stamping processing or laser welding and plasma smelting method and thin Technology or resin begging, etc., instead of melting and / or crimping metal foils such as stainless steel foil in a non-melting manner, the molten part is completely absent or only slightly formed, so the hardness is not reduced and the durability is high. In addition, a method and a manufacturing apparatus for processing a welded portion into a smooth new thin metal thin tube can be processed. As a result, it is obtained that the type can greatly reduce the manufacturing cost, and the manufactured metal drop tube has the high elasticity and high metal possessed by the metal compared with a thin metal tube made of a conventional thinning technology or a resin material. Rigidity, high thermal conductivity, and extremely thin, lightweight, X, very smooth surface, and high rotation accuracy such as vibration or rotation uniformity, will not adversely affect clear full-color image quality, but also durable The excellent novel metal thin-layer tube completes the present invention. Moreover, the present inventors are trying not to satisfy the novel metal shirt obtained by the aforementioned novel manufacturing method and manufacturing device, and try their best. As a result, they have obtained the following insights and further improved the present invention. That is, in general, the shape of the welded portion is slightly inconsistent with the shape of the metal box base material, and the surface roughness is often large. Does the present invention generally transfer and / or crimp metals in a non-melting manner? | As a result, a smooth fusion joint can be formed, and the shape of the glare joint and the foil base material will not be inconsistent, and the surface roughness is small. However, after repeated research and improvement, it was found that when the metal foil is generally welded and / or crimped in a non-melt manner, the two overlapping parts of the soft foil material are easily damaged, and it is known that in most cases It is preferred that the tube material be hard to reduce electrode defects. On the other hand, from the aspect of performance, it can increase the high cycle fatigue life. Here, the inventors have found that the method that can resolve the contradiction and further improve the metal foil tube of the present invention is a method of welding and / or crimping annealed foil in a non-melt manner, and then using extrusion and splitting rollers The combination of rolling method, stamping method, metal spinning method or ai method is performed by cold working to thinn, and the glazed portion is smoothed to adjust the shape and surface roughness of the fused portion, and at the same time, the material is processed and hardened. This increases the fatigue life of the metal foil tube. Here, quasi-stable Vosstian iron steels such as SUS301 or SUS304 can be hardened to about 600 Vickers hardness when the Asa loose iron phase is produced by cold working and has a significant work hardening effect. In addition, even high-nitrogen stainless steels such as SUS304N1, SUS304N2, SUS316N, and SUS836L, and high-Mn steels such as SUS201 or SUS202 have excellent work hardening effects. They can be hardened to about 500 Vickers hardness. In addition, the inventors also found that other ordinary Wastfield iron-based stainless steels can be work hardened to about 400 Vickers hardness, and thus completed a further improvement of the present invention. In addition, the present invention discloses a device for welding metal fl by resistance welding such as seam welding or flat seam welding, as a square wire and / or crimping device, and found in repeated research and improvement later, _Linkin In the jointing part, because there is a continuous dragon that melts and solidifies along the line, or there are intermittent nuggets along the weld line above 50%, so the strength of the crotch can be steadily increased. . ^ 卩, the connection and / or crimping are connected in a hybrid manner,-once the hybrid is formed, even if the disc-shaped electrode (refer to reference numeral 32 in Fig. 6) rotates and travels, most of the current flows in The nucleus part with small resistance flows (ineffective current), and in the newly bonded interface, only a small amount of current flows due to the large resistance. Therefore, this part becomes a crimping joint when the melting temperature is not reached. -Once the crimping portion is completed, the resistance here is also small, so it will prevent the nugget from forming in the same way as the nugget. In order to avoid such a vicious cycle, the inventors used pulse power to perform seam welding, set a longer non-energized time after the purely energized sundial, and successfully obtained continuous cycles by repeating the cycle. Alas, the optimal power-on time and non-ittaf fa ^ tb ^ 1 / 12.1 / 8, ^^ i / 125t ^^ 1 / 8M / 6af ^ form intermittent nucleation. According to experiments by the inventors, it is known that g is an intermittent nucleus. If more than 50% of the length of the dissolution wire is covered with a nucleus, there will be no problem in strength. It can be seen from the foregoing that in order to obtain the nucleus covering the brain above the dazzling length, it is necessary to use a pulsed power supply. The ratio of the wire current time to the current time is set to 1/15 ~ 1/7 to perform seam welding. . In addition, 'Even if it is a flat seam welding that can be welded and / or crimped by non-melting method (because it is non-melting, there is no melting part, so there is an advantage that the hardness of the welding part will not be reduced), it can also be used Pulse power supply is used to perform flat seam welding to more stably increase the hardness of the welded part. At this time, the inventor also found that there is the most appropriate ratio of energized time to non-energized time. In other words, it was found that when the flat seam welding is performed, it is better to perform the welding by using a pulse power source and setting the ratio of the energized time to the non-energized time to 1 to 1/1, and to further improve the present invention. In addition, the fixing roller of the printer will cause defects on the surface due to the incorporation of foreign matter, etc.-once there are blemishes, there will be disadvantages such as bad shadowing on subsequent printing results. a Also, in the novel metal box tube disclosed by the present inventors, if the metal formed by melting and condensing the metal during sewing and welding is not continuously formed, the strength of the part in the crimped state will be weak. Reduce and there is still room for improvement. Therefore, the mystery must improve this improvement = yield and quality. [Mei Nai 3 Summary of Invention ^ w-hole search problem, 7 brother 1 improvement system provides-a kind of welding and forming by resistance welding ^ 5 J inner surface ... surface hardened by hard transport layer and gold: :: 2: The first improved metal foil tube wherein the composition of the aforementioned plating layer is mainly one or two or more metals of chromium, nickel, cobalt, and palladium. Also, the third aspect: The improved metal box tube according to the first aspect, wherein the composition of the hard money layer is a Ni-P alloy. $ 帛 4: A metal fg tube and its manufacturing method, which are electroplated at least 10 ~ lu ^ at least near the junction of one of the two surfaces of the aforementioned non-metallic rim name, or contain one of these elements -One or more alloys, or a metal having a melting point of 12000 or less, and then formed by resistance welding the foil. Fifth: The metal foil tube and the manufacturing method thereof according to the fourth, wherein the foregoing electroplated layer 0 is formed of a Ni-p alloy containing p in a weight ratio of 1 to 14%. Also, No. 6: A metal foil tube and a method for manufacturing the same, formed by heat-treating the metal foil tube formed by the aforementioned stainless steel through joining or reshaping at a temperature of 800 to 1100 ° C. t7: A metal box tube and a manufacturing method thereof, the metal foil tube composed of the aforementioned non-iron steel box 15 and widely formed by joining or reshaping processing is heat treated at a temperature of 800 to 1100 C, at least less than the foregoing. One of the inner and outer surfaces of the foil tube is formed by hard plating. The aforementioned object of the present invention is achieved by the following means. (1) A metal foil official, which is a metal box with a thickness of 10 ~ 100m thick. 2〇 (2) The metal tube according to the item (1) above, wherein the aforementioned metal language stainless steel is named and the stainless steel box is a ferrous iron-based stainless steel, a Matian loose iron-based stainless steel, a Vostian iron-based stainless steel, and a precipitate. One of the hardened stainless steels. ', () If the metal foil tube of item (1) or item A of the above-mentioned A, it is welded by resistance welding 11 200417428 joint fusion welding. (1) the metal shooter tube of item (3), of which the former block is electric connection (5) As in the aforementioned item (4), the gold system uses pulses _, and s — the secret of the towel connection, and the ratio of the power-on time to the non-pass 1/15 to 1/7 〇 electrical time is set to ίο 15 20 ⑹As shown in the above item (3), the flat seam is dazzled. The electric transfer system is g. As described in the item ⑹ of the metal foil tube, it is used to make the secret power supply. The ratio setting between the time and the non-energizing time is described in the following paragraphs (1) to (2). The joint surface of the metal part of the item (1) to (2) is a solid phase joint. For the metal ㈣, the joining or dissolving wire in 1 is arranged in a straight or spiral shape. (The absolute value of the difference in hardness of the base metal part where the 広 広 is connected to the gold material tube in any of the aforementioned items ⑴ to 前述) In terms of Vickers hardness (Hv), it is less than 25% of the hardness of the base metal part. (⑴-kind metal ft tube 'is applied to the metal fl tube as described in any one of items ⑴ to ⑽ above. Cold add 4 to reduce thickness The joint portion becomes smooth to adjust the shape and surface roughness of the aforementioned joint portion, and at least the material of the joint portion is work hardened. (12) If any of the items (3) to ⑴) are described above In the metal box tube of the item, the foregoing metal is not an annealed material, and the domain stainless steel is an annealed material of the vosmin series of non-mineral steel 12 200417428 5 10 15 20. (13) As described in item (1) ~ (12) The metal foil tube according to any one of the above, in which the metal foil tube has a Vickers hardness (Hv) of the base metal part of 1 δ or less. (1 sentence as in any one of the above items (1) to (12) Metal foil tube, in which the Vickers hardness (Hv) of the base material part and the welded part of the front and fourth sides is 300 to 600. (15) As in any one of the aforementioned items (U) to (14) The metal foil tube, wherein the maximum nitrogen concentration of the stainless steel surface layer is 3 mass // or less. (16) The metal foil tube according to any one of the items (2) to (15) above, wherein the stainless rim The foil contains: C · 0 · 05 mass% or less; Sl · 0 · 05 ~ 3.6 mass%; Μϊ1: 0 · 〇5 ~ 1 · 〇 mass%; &: 15 ~ 26 mass%; Nl: 5 ~ 25 Mass./〇; Μϋ ··· 2.5% by mass Below: Cu: 2.5% by mass or less; and N: 0.06% by mass or less, and the remainder is made of Fe and non-impurity imperfections of the soft series Vostian iron-based non-iron steel. (17) Such as The metal grate tube according to any one of the items (2) to (11) above, wherein the stainless foil includes: €: 0.005 to 0.2% by mass; Sl: 0.05 to 3.6 Mass./〇; ^^: 1.0 ~ 5.0% by mass;

13 200417428

Cr: 15 ~ 26 mass%;

Ni: 5 ~ 25 mass%; Μο: 5.0 mass ° / 〇 or less;

Cu: 4.0% by mass or less; and 5 N: more than 0.06% by mass to 0.4% by mass, and the remainder is a high-strength Vostian iron-based stainless steel composed of Fe and unavoidable impurities. (18) The metal foil tube according to any one of the items (2) to (12) above, wherein the metal foil is a rolled material of stainless steel, and the Asada loose iron 10 phase is precipitated in the welding portion. (19) The metal foil tube according to any one of the items (1) to (18) above, wherein at least one of the surface and the inner surface of the foil tube to which the aforementioned metal foil has been joined and formed is surfaced by a hard electric key layer hardening. (20) The metal foil tube according to the item (19) above, wherein the composition of the aforementioned hard plating layer 15 is mainly one or two or more metals of chromium, nickel, starting, and metal. (21) The metal foil tube according to the item (19) above, wherein the composition of the aforementioned hard plating layer is a Ni-P alloy. (22) The metal foil tube according to the item (21) above, wherein the composition of the aforementioned hard plating layer 20 is a Ni-P alloy containing P in a weight ratio of 1 to 14%. (23) The metal foil tube according to any one of the aforementioned items (1) to (22), which is plated with or contains a group 10 to 11 group element near the joint portion of at least one of the two surfaces of the aforementioned stainless steel foil Alloys containing one or more of these elements, or metals with a melting point of 1200 ° C or lower, followed by resistance welding to the foil to form 14 200417428 0 (24) As in any of the items (1) to (18) above The metal foil tube is formed by heat treatment of the aforementioned metal ^ & mentioned above by joining or reforming at 800 to 1100 ° C. 5 (25) The metal foil tube according to any one of the items (1) to (18) above, which is composed of & said non-mineral steel foil by joining or reshaping the above metal $ & 800 ~ After heat treatment at a temperature of 1100 ° C, it is formed by performing hard plating on at least one of the inner and outer surfaces of the aforementioned drop tube. (26) The metal foil tube according to any one of the items (1) to (25) above, in which there is a continuous nucleation along the aforementioned weld line in the welded portion of the aforementioned metal box pipe, or along the aforementioned weld There are intermittent dazzling cores in more than 50% of the lines. (27) The metal foil tube according to any one of the items (1) to (26) above, wherein the overlapping area (χ) μηι of the joint portion of the aforementioned metal box tube, and the foil thickness (ί) μηι of the aforementioned metal foil When it meets x $ 40 + 5t. 15 (28) The metal foil tube according to any one of the items (1) to (27), wherein the ratio of the thickness of the metal foil tube to the inner diameter of the tube is 1/500 or less. (29) The metal foil tube according to any one of the items (1) to (28) above, wherein the surface roughness of the aforementioned metal tube as defined by JISB0601-2001 is 20 ° or less. 20 (30) The metal foil tube according to any one of the items (1) to (29) above, in which the fatigue test of the metal and the full tube in which the cycle is more than 60 cycles / min and the deformation is less than 0.02% Medium, with a durability of lx 106 times or more. (31) The metal foil tube according to any one of the items (1) to (30), which is a toner baking roller and / or a developing roller used in an image forming apparatus. 15 200417428 (32) —A method for manufacturing a metal foil tube, including: a forming step of forming a metal foil raw plate with a thickness of 10 to 100 μm to form a set of opposite edges, and a welding step, which The opposite edges of the overlap are fused. 5 (33) The method for manufacturing a metal foil tube according to the aforementioned item (32), further comprising a processing step for processing the aforementioned welded portion to make it smooth. (34) The method for manufacturing a metal foil tube according to the aforementioned item (32) or (33), wherein the forming step further includes a positioning step before the facing edges of the metal pig raw plate overlap, The metal foil raw plate 10 is positioned on a forming mandrel. (35) The method for manufacturing a metal foil tube according to the item (34), wherein the positioning step is to hold the metal pig raw plate close to and away from the core pig while maintaining a position that is often parallel to the core rod. A forming device, and when the forming device is close to the core rod and the metal foil raw plate is in contact with the 15 core rod wire, the metal foil raw plate is pressed against the core rod to be positioned. (36) The method for manufacturing a metal foil tube according to the aforementioned item (34) or (35), wherein the forming step further includes a winding step, and the winding step is to bring the forming device closer to the after the positioning step. The mandrel is held between the recessed portion having a semicircular cross-section formed in the 20 forming device and the mandrel, so that the untreated metal foil is wound around the mandrel. (37) The method for manufacturing a metal foil tube according to item (36), wherein the forming step further includes an overlapping area adjustment step, and the overlapping area adjustment step 16 is based on the winding step to make the metal box unprocessed sheet The blade of the circumference is displaced in a half-direction to adjust the overlapping area. ^ (38) The method for manufacturing a metal foil tube according to item (36) or (37), wherein, when the overlap region ⑻ μm is at a plate thickness ⑴, x ^ 40 + 5t is satisfied. No. 5 (39) The method for manufacturing a metal foil tube according to item (32) or (33), wherein the welding step is a resistance welding method. ^ Others (40) The method for manufacturing a metal box tube as described in item (39), wherein the aforementioned electric following welding method is seam welding or flat seam welding. ⑼The manufacturing method of metal box tube according to item (40), wherein the above-mentioned resistance 10 welding is performed by using a pulse power source and setting the ratio of the energized time to the non-energized time to 1/15 ~ 1/17, or using pulses. Power and set the ratio of door to non-energized time when power is on to 1/3 ~ 1/1 for flat seam welding. (42) The method for manufacturing a metal box tube as described in any one of items (32), (33), and ㈣ ~ ⑷), wherein the aforementioned welding step is formed on the = 15 side of the core rod formed along the axial direction The conductive fixed electrode member in the trench and the conductive movable electrode member disposed opposite to the fixed electrode member are energized to conduct electricity. (43) The method for manufacturing a metal foil tube according to the aforementioned item (42), wherein the fixed electrode member is formed as a part or all of the outer surface as a flat surface. 20 (44) The method for manufacturing a metal foil tube according to the aforementioned item (42) or (43), wherein at least a part of the fixed electrode member and / or the movable electrode member is respectively composed of platinum or an oxide-dispersed copper alloy . (45) The method for manufacturing a metal foil tube according to any one of the items (42) to (44) above, wherein the hardness of the fixed electrode member and / or the movable electrode member is 17 200417428 and the aforementioned metal foil raw plate The hardness is about the same. For example, the method of making a golden shot according to any one of the aforementioned items 1 and 2), wherein the metal foil tube is peeled from the core rod and removed by ejecting fluid in a radial direction from the core rod. W) The manufacturing method of the metal_ as described in any one of the items (34) to (37) and (42) above, wherein the core rod is composed of a plurality of members and is beneficial: move-partly in the direction of the axis to let the foregoing The metal foil tube is peeled from the core rod. Ίο W The method for manufacturing a metal drop tube according to any one of the items (32) to (47) above, wherein the ratio of the thickness of the unprocessed plate of the metal box to the diameter It is less than 1 / 5GG. The manufacturing method of a straight metal tube in the stomach is a metal shaft obtained by the method described above. M method, and metal spinning molding method or the 15 two == cold reinforcement to reduce the thickness, and make the shape and surface roughness of the welded part ^ material part, and at least harden the material of the miscellaneous part 20, (50) The manufacturing method of the metal box tube according to any one of items (32) to (49), which is at least less than that of the aforementioned stainless steel The joints on the surface of the order Z are close to: Group M ~ U elements or metals containing these elements M or more to the mouth or to the melting point 120001 or less, and then the method (, 5m Any of the items (32) to (5G) —manufacturing of the tube of the item / Μ "The stainless steel is cut through the joint or the above-mentioned gold M tube is reduced by T at _ ~ _t. 18 200417428 (52) The method for manufacturing a metal foil tube according to any one of (32) to (51), wherein the beautiful metal foil tube constituted by the aforementioned stainless steel foil is joined or reshaped at a temperature of 800 to 1100 ° C. After the heat treatment, hard plating is performed on at least one of the inner and outer surfaces of the foregoing foil tube. 5 (53) The method for manufacturing a metal foil tube as described in (50) or (52) above, wherein The composition is a Ni-P alloy containing P in a weight ratio of 1 to 140/0. (1) A method of manufacturing a metal tube according to any one of (32) to (53), including welding the aforementioned metal foil tube And by this means, there is a continuous nucleus in the weld along the above-mentioned weld, or there is a break in the part above the other weld line along the above-mentioned weld. (55) — A manufacturing device for a metal foil tube, comprising: a forming section for forming an unprocessed metal foil with a plate thickness of ⑺ ~ 丨 ⑼⑼ into a predetermined shape; and 15 welding (56) The manufacturing device for the metal box tube according to item (55), wherein the aforementioned forming part includes: a core rod, which is perpendicular to the axis The cross section is round; the forming device is set to be able to approach and away from the mandrel and can hold the unprocessed plate of the metal box; and the positioning member is used to approach the mandrel and the aforementioned When the unprocessed metal foil plate is in contact with the mandrel wire, press the unprocessed metal foil plate to position it on the aforementioned mandrel, and the manufacturing device of the "metal" famous tube is to move the aforementioned 幵) device so that the first 19 200417428 has been described The positioned metal foil raw plate approaches the mandrel, so that the metal foil raw plate is curled into a U shape around the mandrel in advance. (57) The device for manufacturing a metal foil tube according to item (56), wherein the aforementioned forming device includes: 5 a holding plate, which is arranged to be close to and away from the core while maintaining a parallel state with the core rod, and There are recesses between the rods for winding the metal foil raw plate into a U-shaped semi-circular cross-section; the first pressing member is used to press one piece of the U-shaped metal foil raw plate to make it close. The outer periphery of the mandrel; and a second pressing member for pressing the other piece of the U-shaped metal foil raw plate against the outer periphery of the mandrel, and the forming device makes the aforementioned The opposite end portions of the metal foil raw plate are overlapped to form overlapping portions. (58) The manufacturing device for a metal foil tube according to item (56) or (57), wherein the forming section described in the above 15 further has an overlapping area adjustment mechanism, and the overlapping area adjustment mechanism is used for the aforementioned second pressing member Before pressing, a part of the circumference of the metal foil raw plate is displaced in a radial direction so that the areas where the opposite sides overlap each other are a predetermined value. (59) The device for manufacturing a metal foil tube according to item (58), wherein the aforementioned overlapping 20 area adjustment mechanism is composed of an eccentric device provided inside the aforementioned core rod. (60) The apparatus for manufacturing a metal foil tube according to the aforementioned item (58), wherein the overlapping area adjustment mechanism is constituted by an eccentric device provided outside the core rod. (61) The device for manufacturing a metal foil tube according to item (58), in which the aforementioned overlap is 20 WU417428: == ::: piece —... dense area adjustment, the object is formed in the recess of the aforementioned core rod: External pieces stuffed into shape

V, ⑹) A metal drop tube manufacturing device as described in item ⑹) or (62), where: ::::: Department: wheel, light, cylindrical or rod-shaped member: of which:

Also set • The mandrel's wealth moves individually to both ends. 10

(64) The overlapping area of the metal box tube as described in item (57) or (58) is called the above-mentioned plate thickness. F + L (65) The manufacture of the metal box tube as described in item (55) The device, wherein the aforementioned dazzling connection portion is a resistance welding portion. '(66) The metal_tube manufacturing device according to the aforementioned item (55), wherein the aforementioned 1 welding portion includes a conductive fixed electrode member provided along the axial direction on the outer surface of the rod, and the fixed electrode member facing the fixed electrode member Conductive movable electrode structure

And the two electrode members are welded in a state in which the overlapped portion of the metal box raw plate is held. — (67) The metal box and tube manufacturing device according to the aforementioned item (66), wherein the aforementioned fixed electrode member is formed as a part or all of the outer surface as a flat wall surface. 20 (68) The metal foil tube manufacturing apparatus according to the aforementioned item (66), wherein the movable electrode member is an electrode wheel that is energized while pressurizing the overlap portion. (69) The metal foil tube manufacturing device according to any one of the aforementioned items (66) to (68), wherein at least a portion of the fixed electrode member and / or the movable electrode member are each a copper alloy dispersed with molybdenum or alumina Make up. 21 200417428 As described in (66H68), the metal box tube of any one of the foregoing orders == The hardness of the fixed electrode member and / or the movable electrode member is approximately the same as the hardness of the unprocessed metal plate. System, = as described in (56), (57), and the metal tube of the above-mentioned items, wherein the metal tube is peeled from the core rod by ejecting fluid from the core rod in a radial direction. To remove it. (72) The manufacturing device according to any of the aforementioned items (56), (π, and (a), wherein the core rod has a fluid flow / golden heart field. The body passage is provided, and the fluid passage is used for bribery connection Shaped golden shot! The fluid of the tube and post stick hemp. ⑺) The manufacturing device as described in items (56), (57) and (66) above, wherein the aforementioned core rod has ... to, ",,,,, There is a notch so that the above-mentioned metal raw plate cannot adhere to the core rod. (74) As described in 15 of any one of the items (56), (57) and (66) above, the core rod The system is composed of a plurality of members, and a part of the part is oriented in the axial direction so that the above-mentioned golden shot can be separated from the core rod. (1) As described in the item (56) to (74) in the above-mentioned gold core tube manufacturing device, the ratio of the thickness of the metal foil unprocessed plate to the metal pig tube direct control ratio is 1/500 or less. 20 (76) A metal grate tube, which is manufactured using the metal tube manufacturing method according to any one of the aforementioned items (32) to (54), and the metal foil tube according to any one of the aforementioned (55 to 75) Device made by. Brief description of the drawings Figure 1 is a plan view of a metal pig raw plate forming a metal pavilion. Figure 0 22 200417428 Figure 1 (B) is a sectional view of the metal foil tube before welding. Fig. 1 (C) is a perspective view of a linear metal foil tube with a joint portion. Fig. 1 (D) is a perspective view of a spirally-shaped metal foil tube with a joint portion. Fig. 2 is a schematic side view of a metal foil tube manufacturing apparatus according to an embodiment of the present invention. Figure 3 is a top view of Figure 2. Figure 4 is a sectional view taken along line 4-4 of Figure 3.

FIG. 5 is an enlarged cross-sectional view of a main part of FIG. 4. Fig. 6 is an enlarged sectional view showing a welded state of the metal foil tube manufacturing apparatus 10 according to the embodiment of the present invention. Fig. 7 is a schematic sectional view along the axis of the core rod in the metal foil tube manufacturing apparatus according to the embodiment of the present invention. Fig. 8 is a schematic diagram of another example of a core rod of a metal foil tube manufacturing apparatus according to an embodiment of the present invention. 15 [Solid package method]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings. <Metal foil tube> The present invention is a metal foil tube in which a metal foil with a thickness of 10 to 100 μm, preferably 20 to 20 to 50 μm, is joined or welded. As described below, the metal foil of the present invention can be applied to a metal having high elasticity, high rigidity, extremely thin and light weight, excellent durability, and high thermal conductivity. The high-rotational accuracy of vibration or uneven rotation that causes bad influences is good for toner baking rollers for image forming devices such as electrophotographic printers, laser printers (LBP), photo printers, and fax machines. Or development roller. When the conventional thinning technology is used, the surface will be rough and difficult to flatten. The surface roughness can not be made below Rdgm. However, according to the present invention, for example, when a rolled stainless steel foil is used for bonding or welding, The surface is smooth, and the surface roughness is less than 2μm. As a result, it is possible to provide a metal foil tube having high rotation accuracy without vibration or rotation unevenness that does not adversely affect clear full-color image quality. Also, the conventional method of joining with a thermoplastic resin cannot obtain sufficient joining strength and has poor durability. However, since the present invention uses metal joining, the joining strength is sufficient and the durability is excellent. 10 Also, the conventional method of joining with a thermoplastic resin requires thermoplasticity 15 20

The resin is coated on the surface of the metal foil to have a uniform thickness and high cost, but the present invention does not require this step, and can provide a metal foil tube with excellent productivity and low cost. In addition, the metal foil tube has low power consumption, excellent mechanical stress, and excellent durability in fatigue tests and the like, and has a long product life, ranging from 2000 to 400. It does not cause thermal embrittlement in the high-temperature use temperature range of about 〇. It is suitable for use in stone invert powder baking rolls, and alloys such as stainless steel can be used. Furthermore, it is possible to reduce the size and weight of the image wires of electrophotographic printers, laser printers (LBp), photocopiers, and facsimiles, and to save energy. When the thickness (pipe thickness) of the invented metal box tube exceeds ㈣0, the heat conduction deteriorates, so it takes a long time to start from the energy saving mode. In addition, since the weight is increased and it is difficult to achieve a reduction in thickness and weight when the box is thick, there is a possibility that it may not meet the requirements of users or J-makers who tend to reduce the size and weight. In addition, although the thickness of the stainless steel is thinner, the better the clothing. However, when the thickness is less than 10 // m, the strength and rigidity are reduced, which makes it difficult to handle. 24 In addition, as mentioned above, the present invention is a metal foil δ that directly joins metal foils. Therefore, the surface roughness can be reduced to 2 // 111 or less, and preferably less than or equal to the mason. This is because, as described above, the metal foil tube can be formed by joining without impairing the surface roughness of the rolled metal foil. In addition, as required, surface processing can also be performed after rolling. In addition, since the surface roughness Rz of the metal foil after rolling is smaller and the cost is higher, the surface roughness Rz of the metal hafnium is preferably the above. As a result, it can provide high elasticity, high rigidity, extremely thin and light weight, and excellent durability. Furthermore, it has the surface properties of two rotation precisions that cause bad vibration and poor rotation of clear full-color image quality. Good tube, can be used for electrophotographic printers, laser printers (LBP), photocopiers, fax machines and other image shapes ^ Xiangjia carbon rhyme baking roller, Wei, and Dingzhou roller metal Box tube. In addition, the measurement method of the surface roughness Rz can be performed by the measurement method specified by B_1-2GG1 (maximum height roughness), however, it is not limited to this. Next, the metal box material used in the metal pig tube of the present invention is not particularly limited. The material that can be used is suitable for selecting the most appropriate material. However, it is used in electrophotographic printers and laser printers ( LBP), photocopiers, facsimiles, and other image fixing devices, such as fixing, image development, heating, etc., can achieve high elasticity, high rigidity, slim and lightweight, durable &amp; excellent In terms of the high rotation accuracy of 2 movements or uneven rotation, which is adversely affected by the clear full-color image quality, it is based on non-mineral steel 々 and 5 ′. Its material is fertilized iron, non-recorded steel, and Ma Tiansan. One of iron 200417428 series stainless steel, Vostian iron series stainless steel, and precipitation hardening stainless steel. In addition, as in Example 7 described later, the aforementioned precipitation hardening stainless steel is joined to form a metal foil tube by resistance welding or the like, and processed by grinding and other processing. Depending on the characteristics of the stainless steel used, for example, solid heat treatment can be performed. 5 processes, and if necessary, intermediate treatment, precipitation hardening heat treatment, etc., the metal foil tube is precipitated and hardened to obtain high endurance, and the hardness of the base material portion and the welded portion is substantially the same, and the durability is further improved. For each stainless steel, the most appropriate conditions can be selected based on the solid-melt heat treatment, intermediate treatment, and precipitation hardening heat treatment if necessary. © 10 So far, the technology of directly joining metal foils has not been established. However, the joining technology of the present invention can widely use various materials from soft stainless steel foil to hard stainless steel foil according to the purpose of use. There are any restrictions on the use of materials and a wide range of metal foil tubes. In addition, Ben Sheming's metals and governor's materials are not limited to this. For example, 15 Fe-based superalloys, Ni and Ni alloys, Co and Co alloys, Ti and Ti alloys, Nb and Nb alloys, Zr and Zr can be used. Alloys, and Ta and Ta alloys. _ The material of the metal foil of the metal foil tube of the present invention is one of the stainless steel of ferrous iron, stainless steel of Asada, iron of stainless, and stainless steel of precipitation hardening type as the original plate, and is carried out later. In addition to the rolled material obtained by rolling 20 and the annealed material obtained by annealing after rolling, tensile annealing materials are also suitable, but they are not limited to these. Specifically, for example, in addition to the ferrous-grained iron-based stainless steel foil specified in the SUS400 model in jIS, there are ferrous-grained iron-based stainless steel foils such as SUSXM27 or Tρ · 409 series, and those other than those in the JIS SUS400 In addition to Asada loose iron 26 200417428 stainless steel foil, Vostian iron stainless steel foil specified in JIS SUS200 and 300 models, there are also SUSXM7, SUSXM15Jl, Tp.302B, Tp.3i4 and other Vostian iron systems. One of stainless steel foils and one of the precipitation hardening stainless steels such as SUS63 and SUS631 is used as the original plate, and then the rolled material obtained by foil rolling 5 and the annealed material obtained by annealing after rolling and precipitation Treatment materials, etc. The metal foil tube of the present invention is preferably one that is joined by resistance welding. Specifically, the resistance welding is seam welding and flat seam welding is more preferable. In addition, the metal foil tube of the present invention has better smoothness on the surface 10 than those constructed with conventional thinning technology. However, in order to achieve such surface smoothness, the joint between the joint portion and the base material portion must also have Excellent surface smoothness, and the hardness difference between the joint portion and the base material portion must be 25% or less of the hardness of the base material portion in terms of Vickers hardness (Ην). Therefore, the joint is preferably a resistance welded joint, and more specifically, the resistance welded joint is seam welded and the flat seam welded. 15 The metal foil tube constituted by the aforementioned joining method is a joint welding by resistance welding method in which a joint is applied with electrode welding pressure, and is welded while pressing the joint portion under a state of strong pressure by a disk electrode. And the flat seam welding of the welding method close to the butt joint is made, and the foil group of the joint is continuously flattened under a moderate electrode pressure to form a near joint but 20 joint. Therefore, the thickness of the welded portion is flattened, and surface processing is performed later. It is not necessary to apply an excessive load to the bonding portion of the foil group, and smooth processing after bonding can be easily performed. Therefore, manufacturing cost can be reduced. As a result, a smooth surface (junction portion) with a low surface roughness Rz as described above can be formed. In addition, in the metal foil tube of the present invention, there are continuous nucleation (smelting and melting part) along the melting line in 27 parts of the metal foil tube, or there are discontinuities along the melting line ^ 50% The nucleation is better. This is because when the welding is performed by seam welding, which can be welded and / or crimped in a substantially non-melt manner, the smelting section can have continuous smelting along the smelting line (the part of smelting and solidification 5). Or there are intermittent nuggets along the weld line above 50% to stably increase the strength of the weld. That is, in the case of seam welding, once a nugget is generated, even if the disc-shaped electrode (refer to reference numeral 32 in FIG. 6) rotates and advances, most of the current flows in the nugget portion of the resistor j (ineffective current), and the new Only a small amount of current flows in the bonded interface due to the resistance. Therefore, this portion becomes a crimped state when the melting temperature is not reached. Once the crimping section is completed, the resistance here is also reduced, and as a result, nuggets are prevented from forming in the same way as nuggets. In order to avoid such a vicious cycle, the inventors used a pulsed power source for seam fusion, set a longer non-current time after a short power-on time, and successfully obtained continuous nucleation by repeating this cycle. At this time, the ratio of the most suitable energizing time to the non-energizing time is 1/12 to 1/8. When it is less than 1/12 or exceeds 1/8 to 1/6, intermittent nucleation will be generated. According to the experiments by the inventors, it is known that even if the intermittent dazzle cores are covered by the dazzle cores, more than 50% of the length of the dazzle lines will not cause problems. In order to obtain a dazzling 20 core that covers 50% or more of the welding length, it is necessary to set the ratio of the power-on time to the power-off time to 1/15 to 1/7. From the above point of view, it can be said that the metal box tube of the present invention is constituted by using a pulse power source 'and performing the seam welding by setting the ratio of the energization time to #the energization time to 1A 5 ~ 丨 / 7. In addition, the flat seam weld can also be welded and / or pressed 28 10 15 20 by non-welding, and 'the flat seam dazzle joint has the advantage that the hardness is not reduced because no dazzle joint is formed. Even so In order to more stably improve the dazzle connection, you can use a pulse power supply for disconnection. At this time, it is found that there is a proper ratio of the power-on time to the power-off time. # ， The metal mooring pipe of the present invention uses a pulsed power supply, and sets the energization time and the non-energization time to 3 1/1 to make a flat seam to melt and weld, and it can be said that the metal is one of the better forms. 0 The welding part of the stern tube makes solid-phase bonding technology without leaving a molten phase except for the part along the nucleus where the raw material is welded. Compared with the laser secretion or plasma refining of the thick phase remaining melting phase, 'It is possible to prevent = low due to a change in the composition of the joint (change in crystal structure). Also, because the hardness and the like of the joint portion and the non-joint portion (base material portion) are approximately equal, the edge of the joint portion and the base material portion = or the stress concentration on the joint surface promotes rapid metal fatigue, etc. Cracking: use, peeling, etc., and has excellent durability. Therefore, when the toner baking roller or the developing roller of a golden tree / image forming apparatus is used, the life is consumed. However, when the material used is a soft material, the strength of the material can be made small, leaving details in the dazzling joints, and reducing the number of joints with the mother to the two 'in the smelting joint of the golden tree of the present invention, — 邛 八 也;相接。 Phase joint. In this case, the 'solid phase bonding may be a fraction of the bonding surface, or may be all. In addition, ™™ flattens one :: = ^^ = 部 接面 _ 合. From two of =: Will there be strength caused by the combination of money in the joints?

29 200417428 The advantages of reduction. When the above-mentioned resistance welding (including seam welding, flat seam welding) and the like are used to weld and / or crimp in a substantially non-melt manner so that the overlapping area of the joint is 0) when the foil thickness of the uranium metal foil is thick, A metal foil tube satisfying x $ 40 + 5t is preferred. Here, when the overlapping area (x) is larger than 40 + 5t, surface processing can be performed again. In addition, the overlapping areas (the units of the foil thickness and the thickness of the metal foil are // m. 10) In the metal foil tube of the present invention, the hardness difference (Vickers hardness) between the welded portion and the base material portion (non-welded portion) The absolute value is measured by Vickers hardness (Hv), which is preferably 25% or less of the hardness of the base material portion. The absolute value of the hardness difference between the welded portion and the base material portion (non-welded portion) is measured by Vickers hardness (Hv) ), The hardness exceeds 25% of the base material

At the time, the boundary part between the welded part and the base material part (non-welded part) will cause a dent effect of 15 2 due to the difference in hardness, and it is easy to produce cracks or cracks due to metal fatigue. In addition, the conventional laser welding method The method of measuring the hardness of the Vickers hardness (Hv) due to the dissolution of the welded part is based on jig z 2244 (1998). The present invention can prevent the difference in hardness between the welded part and the base material part (non-welded part) by appropriately selecting the aforementioned welding method or material or heat treatment method, and can improve the overall durability of the metal cold official, and can be achieved without mechanical strength. (Different hardness)

^ It is suspected of uneven rotation or high rotational accuracy of vibration. 20 ^ In the metal foil tube of the present invention, the stainless steel foil can be made of rolled steel made of ferrous iron-based stainless steel or Asada scattered iron-based stainless steel. Scattered iron phase. Specifically, for example, SUS41GL and other ferritic iron-based non-reading steels, SUS403, SUS410, SUS420, and SUS43 and SUS44〇 stainless steels are equivalent to the precipitation of the Mata loose iron phase at the weld. When it is 30 such steels, the Secret Department will contact with heat and precipitate Asada scattered iron to harden. For the base material section, the rolling and hardening are taken into account to reduce the hardness difference between the welded section and the base material section. In addition, Asita stainless steel can be heat-treated at an appropriate temperature 5 after melting to adjust the hardness to a wide range of Hv300 to 600. It also uses the hard material as described above as stainless steel to form a metal box tube. For example, it can be suitable for the use of a metal pig tube with a thickness of 30%. In particular, when the foregoing hard material is used as a stainless steel foil, Improve the mechanical properties of the weld. 0 This can increase the fatigue life and improve the longevity. 〇 Furthermore, it can also shorten the time to start from the power saving mode. 〃 Also, in the metal pig tube of the present invention, the stainless steel box For example, there is an annealed material made of Vosstian iron-based non-mineral steel that is specified by SUS300 and JIS such as SUS304 and is annealed and annealed. When using such a soft material as a bell wire to form a metal pig tube, The part does not harden too much, and the mother 15 material part is soft material, so you can obtain a soft tube as a whole. At this time, you can use an electrode material that is about the same hardness as the hardness of the metal pig, so as not to damage the electrode material. In the case of both metal pigs and metal pigs, in particular, when the metal pigs use an annealed material made of Vosstian iron-based non-steel steel, it can help to combine materials with excellent electrical conductivity such as copper in the electrode material.

When using the aforementioned annealed material of Vostian iron-based non-iron steel as the metal pig, the base material is preferably Vickers hardness (Hv) i8 (uXT.). In this way, it has excellent workability in the manufacturing stage, And easy to form into a tube and other characteristics /, also has high precision _ (die-cutting) metal correction, M produces warpage or peripheral edge deformation and other advantages. Also 'hardness of approximately the same degree as the hardness of the gold shirt 31 200417428 5 ::: For example, molybdenum, alumina-dispersed copper alloys, etc., can be used in the manufacturing stage to prevent electrical damage and tube damage due to the use of materials such as other materials. = Said metal has excellent durability, wear resistance, From the point of view of high cycle fatigue, the material, that is, the Vickers hardness (Hv) of the material of the base metal part and the joint part (melting part) of the metal tube I is preferably 300 ~ _, and Most = is the side to the bottom. That is, in order to make the protective properties different in the manufacturing stage, and easy to form a tube_look at the wealth, the base material 敎 Vickers hardness system: ⑽ or less, good. However, the use performance From the perspective, in order to increase the high cycle fatigue life, in most cases, it is better to use the pipe material as the hard material.

10 In this way, the metal box tube obtained by bonding and material can also be cold-applied with JL to reduce the thickness' and make the joint smooth to adjust the shape and surface roughness of the joint. The material of the joint is hardened. As a result, the Vickers hardness field v) of the material including the joint portion can be increased to the range specified above, and the durability and wear resistance can be improved in terms of use performance. As a result, both the processability in the welding phase and the high cycle fatigue life in terms of serviceability can be improved at the same time. The present invention may also include processing the entire welded portion of the metal stern tube to reduce the thickness of the entire portion, and smooth the joint to adjust the shape and surface roughness of the joint, and include the joint. The entire tube is made of hardened material. This is because, as mentioned above, when the metal box is welded and / or crimped in a non-melt manner, the two overlapping parts of the soft box material are easy to damage, and it is known that the tube material is best in most cases It is hard to reduce the defect of the electrode. On the other hand, from the aspect of use performance, it can increase the high cycle fatigue life. A further step of the invention that can resolve this contradiction

32 7Improvement 'is the joint in the annealed state, and then cold-worked to reduce the thickness by squeeze extrusion, split affinity ^, compression molding, and metal spinning molding method or a combination of these methods, and The welded portion is smoothed to adjust the shape and surface roughness of the welded portion, and the material of the welded portion is processed and hardened. It can be said that the fatigue life of metal foil pipe. That is, it is preferable that the metal pouch to which the aforementioned processing method is applied is constituted by using the foil in an annealed state as described above. However, it is not incapable of using an unannealed foil. That is, cold working is performed on the metal stern tube to reduce its thickness, and the joint is smoothed to adjust the shape and surface roughness of the aforementioned joint, and the material of the joint 10 is processed and hardened, thereby increasing the metal box. In the fatigue life of the tube, those made by welding unannealed foil are also within the aforementioned technical scope of the present invention. The method for processing the welded portion of the metal foil tube can be cold-processed using, for example, an extrusion method, a d-rolling method, a stamping method, a metal spinning method, or a combination of these methods. However, the present invention is not limited to these cold working methods in order to make the joint portion 15 smooth to adjust the shape and surface roughness of the aforementioned joint portion, and to at least harden the material of the joint portion. It should be cold-processed by Lishu processing method to make the welded part smooth. Adjust the glare part to have no difference in appearance, shape, surface roughness, and hardness from the base material part. Besides, A can be provided. It does not have a high accuracy of vibration or uneven rotation that adversely affects the clear 20-color daylight, and the overall surface is smooth and durable. Similarly, it is preferable to smooth the welded portion and adjust the surface roughness to the surface roughness specified by the side 1 (maximum height roughness) of the sensation 01 ^ _ is preferably below, and more preferably 0.1 to ΐμιη. In particular, cold processing by the aforementioned processing method 33 200417428 processing is suitable for adjusting the surface roughness, and is extremely effective in that it can be adjusted to be close to the aforementioned lower limit of suitable violation (refer to Table 1 of Example 9 described later). In addition, the material is cold-processed to harden the material, the base material of the metal foil tube, and the material of the joint (welded portion), so that the Vickers hardness 5 (Hv) of the material is 300 ~ 600. Preferably, it is preferably 400 to 600, and particularly preferably 450 to 550. Accordingly, as described above, it is possible to provide a roller having a toner baking roller or a developing roller which can be used as an image forming apparatus, which is excellent in durability and abrasion resistance, and is effective in increasing high cycle fatigue life. Hardness welded metal foil tube. In addition, when the metal selenium series described above uses an annealed material of the aforementioned Wastfield iron-based non-mineral steel, in order to accurately cut (punch) the metal foil, no wrinkles or cracks (cracks) or the like are generated, and the entire stainless steel foil (whole body) The content of the nitrogen element is preferably not more than 0.05% by mass, and more preferably not more than 3% by mass. At the same time, the maximum nitrogen concentration in the surface layer of the stainless steel foil is preferably 3% by mass or less. Here, the so-called stainless steel foil surface layer refers to an oxide film formed on the surface by an annealing treatment. Generally, the "oxide film" refers to the portion from the outermost layer to the degree from the peak oxygen concentration to 50%. If the nitrogen content of the stainless steel foil exceeds 0.05% by mass, stainless steel = hardens. Therefore, when metal pigs are cut (punched) with high precision, clothing marks and cracks may easily occur. it f, stainless steel sheet or stainless steel only after rolling, 4, nitrogen does not increase significantly, but when annealing in the manufacturing stage, the A gas in the atmosphere% will enter the stainless steel foil, resulting in significant nitriding. 2 At the same time as the overall nitrogen content is increased, the rat content in the surface oxide film is also significantly increased. Since the nitrogen content in the surface layer is relative to the entire interior, the hardness of the entire interior of the driver is higher. As a result, when cutting (punching) the metal foil with high accuracy, the surface layer portion is slightly cracked, and a crack is generated in the thickness direction. In addition, when the metal foil is an annealed material of the aforementioned Wastfield iron-based stainless steel, specifically, the material is made of SUS304,

5 SUS304L, SUS304J1 (added Cu), SUS304J2 (17% Cr-7% Ni-4% Mn-2% Cu), SUS316 (added Mo), SUS316L (added Mo), SUS305, SUSXM7 (added Cu), SUS317, SUS317L, SUS309S, etc., YUS304UL, YUS316UL (added Mo), YUS27A (added Cu), 10 YUS110M (added Cu, Si, Mo), YUS170 and other stainless steels in the YUS series of exclusive steel grades of Nippon Steel Co., Ltd. Those obtained by rolling and annealing later are not limited thereto. Stainless steel has been widely used, and has been sold on the market cheaply as a stainless steel sheet used for rolling treatment, and the processing technology of rolled stainless steel foil has been established. Moreover, the aforementioned stainless steels such as SUS316 or SUS304 are also used. It is suitable for annealing, so it is better to use it as the original plate, and then obtain it by rolling and annealing. Among them, those who use SUS304Jl (17% Cr-7% Ni-2% Cu) and SUS304J2 (17% 0.7% NM% Μη-2% 0: ι) as the original plate, because C, Ν are reduced and Cu is added. It greatly contributes to the improvement of the formability and the aging crackability, and the 'press formability is also the best among those exemplified above. In addition, those with a Vosstian iron-based stabilizer such as 20 SUS316 or SUS305 as the original plate will not produce processing-induced molybdenum, and there is no danger of aging cracking. In addition, Ti-added steel SUS316Ti, SUS321, high-Ni steel SUS310S (25% Cr-20% Ni), SUS317J5L (21% Cr-24% Ni-4.5% Mo-1.5% CiH ^ C), SUS384 (16% CR-18% Ni), SUSXM15Jl (18% Cr-13% Ni-4% Si), etc., 35 200417428 can also be used as an electrophotographic printer, laser printer (LBP), photocopier, fax machine For example, a toner baking roller or a developing roller of an image forming apparatus. In addition, when the soft Vostian iron-based stainless steel (soft material) and the high-strength Vostian iron-based stainless steel (hard 5 material) are used as the metal foil, the suitable stainless steel is The range of each component is as follows. c: c is a Vostian iron stabilizing element, but the material becomes harder when it is increased. Therefore, when a soft material is obtained, it is 0.05% by mass, and when a hard material is obtained, it is 0.05 to 0.2 mass 0 / 〇.

When SizSi is used for deoxidation, 0.05 mass% or more is required. In addition, it can exhibit 10 effective oxidation resistance, but because it is a high-toughness fertilizing iron-forming element, if it exceeds 3.6% by mass, the workability is impaired, and it is difficult to perform descaling during hot rolling. Therefore, the upper limit is It was 3.6% by mass. Μη: Adding Mn can exert its function as a stabilizing element of Vostian iron, and fixes S to improve hot workability. However, when the content is less than 0.05% by mass, 15 is ineffective, and when the content exceeds 1.0% by mass, the material becomes hard. Therefore, when a soft material is obtained, it is 0.05 to 1.0% by mass. When a hard material is obtained, it is 1.0 to 5.0% by mass.

The basic composition of Cr: Cr-based stainless steel is at least 15% by mass in order to obtain good corrosion resistance. When it exceeds 26% by mass, the steel becomes brittle and the workability deteriorates. Therefore, the upper limit is 26% by mass. The preferable range is 17 to 19% by mass.

Ni: Ni is one of the basic ingredients of Vostian iron stainless steel. It is an element that contributes to workability and richness. It is added at 5 mass% or more. However, these effects are saturated when added in excess of 25% by mass. Therefore, a range of 5 to 25% by mass is preferred. Mo: M. It is an element that enhances the wealth of the brain. It can be added as needed. When the content exceeds 2.5% by mass, the steel will harden, and when it exceeds 50% by mass, the steel will become brittle. Therefore, when the soft material is obtained, the upper limit is 25% by mass. 5.0% by mass.

Cn: Cu is a component that stabilizes Vosstian iron and improves workability and corrosion resistance. It can be added as necessary. However, when the content of the soft material exceeds 2.5% by mass, and the amount of the hard material exceeds 40% by mass, the effect is saturated. Therefore, when a soft material is obtained, the upper limit is 2.5% by mass. When the hard material # 10 quality is obtained, The upper limit is 4.0% by mass. N: N is a high-moving iron field iron stabilizing element, and in order to improve the anticorrosive element, it is added by 0.05% by mass or more. When the content of the soft material exceeds 0.05% by mass, the workability (high-precision cutting or punching workability) of the undulated material after the bright surface annealing is deteriorated, and cracks or ruptures easily occur. In addition, when the content of the hard material U exceeds 0.06% or less, sufficient strength cannot be obtained, and when the content exceeds 0.4 berry%, the processability (high-precision cutting or punching processability) of the berth material is deteriorated. rupture. From the foregoing, it can be seen that when a soft material is obtained, the tank system is preferably 0.006 mass% or less, and more preferably in a range of 2007 to 0.003 mass%, and when a hard material is obtained, it exceeds 0.006 mass. % To 〇4 mass%. 20 In addition, Ti and rhenium may be contained as trace elements. -Also, the stainless steel contains the aforementioned range (it may contain trace elements as appropriate according to the purpose of use (usually 2% by mass or less, Ca: 0.0005Berry / 0U), there is no particular limitation) The aforementioned components (containing the aforementioned added trace elements), and the remainder are composed of Fe and unavoidable impurities. No 37 200417428 Impurities that can be avoided can be exemplified by Bu 8, ^, 0 and the like. No ^^^^ * ^^ P; 0.045ft // aT ^ i; 0.005% or less, s: G._f% or less, and 0 mass. /. the following. In addition, the metal box tube of the present invention is formed by hardening the surface of at least one of the surface and the inner surface of the stern tube formed by joining and forming a metal box by resistance welding or the like, and hardening the surface. The following is a detailed description of the surface and inner surface of the present invention, the surface of which is hardened by a hard f electroplating layer, and the surface of the metal beam is hardened.

The fixing roller of the printer may sometimes cause foreign matter to enter the paper, causing damage to the stick, resulting in poor printing results. Therefore, the probability is better than Brinell hard material. After the rotation, when it is not processed much, a hard plating is performed on the inside and outside of the metal fl tube to achieve the aforementioned hardness. Electroplated metals can be composed mainly of metals such as chromium, nickel, cobalt, and palladium. To harden these elements, it is effective to add additives such as P. In the case of an electric bond b Ni-p alloy, the concentration of p is preferably 14% by weight. The reason "

At 1%, the hardening effect is weak. When it exceeds 14%, the plating layer becomes brittle and cracks easily occur. The electro-forging method can use non-electrolytic electric boat or electric key. The electroless ore is more suitable for the inner side (inner surface) of the electric money tube. The present invention is not limited to the provision of a hard electric plating layer on both the surface and the inner surface of the winding tube as described above, and a hard electric money layer may be provided on only one of the surfaces. That is, when it is used for carbon meal IX, baking rollers, and rollers for setting the scene, it is better to harden the surface (outer surface) of the foil tube that is in contact with the photosensitive drum or other rollers or paper temples. In addition, since the heater may be installed in the roller, the inner surface of the foil tube is hardened to 乜 at this time. As mentioned above, according to the use of the metal foil tube, a hard electric ore layer can be provided inside the foil tube and / 38 or the outer surface. The metal foil tube of Benmeming is a box tube obtained by joining or reshaping stainless steel foil by resistance welding, etc., at _ ~ 1100. (: 埶 treatment at a temperature.… When the stainless steel seam is welded, the surface of the stainless steel is dulled by the film. Therefore, in order to completely destroy it and obtain a strong metal bond along the entire length of the weld line, it is necessary to be careful Examine the current, voltage, welding speed, and energization ratio casting, and perform welding β within a relatively narrow range of miscellaneous conditions. In particular, when completely flattening the overlapping two fgs to form a flattening seam with a thickness of one, The closed part of the foil end, gp, is pressed by crimping the end face of the vg weight g part of the 2 pieces to make it roughly integrated. The current is small. Therefore, 'the joint strength of this part is insufficient, and it is processed repeatedly. There may be cases where it is opened along the joint line. The present inventors have found that two methods can effectively solve this problem. One of the methods is to join or re-form the stainless steel foil by resistance welding, etc. In order to make the bonding wire diffuse and join to strengthen the interface strength. At this time, the heat treatment is preferably performed in a vacuum heat treatment or an inert atmosphere. The appropriate heat treatment temperature is 800-1100. It can be used at low temperature when the stainless steel is ferrous iron or fine scattered age, which is necessary for Vostian iron system. However, if it is less than ⑽ 叱, diffusion bonding cannot be performed sufficiently, and it exceeds 1100. : At the time of heat treatment, the deformation is large, and the crystal grains are coarsened, so it is not good. Also, the heat treatment also has the effect of opening up the thermal stress around the welded part, so that the periphery of the welded part no longer looks hard and stretched. Furthermore, Right after the heat treatment, the aforementioned hard plating is performed, and the small depressions in the welded part can be hidden.

The convexity reaches a degree from the thermal method to the position of the fixed welding portion. Because A "V & is formed by joining or reshaping stainless steel foils by resistance welding or the like, v | 官 以 卿 ~ u⑼. After heat treatment at a temperature of at least one of the inner and outer sides of the heart, The hard electric money is better than the "Hai hard shell plating, as mentioned above, and the description is omitted here. _ One method, the metal before the wire bonding like U, Ag, Cu, etc. 1G ~ 11 Group 70 elements or alloys containing these elements (for example, Ni_P-based alloys, etc.), or A: [etc. ㈣ is! Fine. ⑶ the metal below, and then it is connected to get the material of the 1st tube. In the rib method, if the _ part of the bonding wire has not reached the melting point of the metal such as stainless steel, but it has reached 2 on the electric money layer ^ 'The plating layer will be dazzled, and most of it will follow the stainless steel and other metals. The blunt film on the falling surface is extruded along the bonding line to the outside of the joint. A complete metal bond can be obtained along the weld line. Moreover, although a small groove is generated in the closed end of the foil's end, this is also made by electricity mining The molten metal landfill will not cause dents at the joints. Therefore, the metal It is preferred that at least one of the two surfaces of the gold tincture be near the junction of one of the _ planes, such as MAU, Ag, CU, Ni, and other Group 10 ~ U elements or alloys containing-= or more of these elements (for example, Ni_p-based alloys), _ metals (including alloys) with a lower melting point than metal poise, and preferably those with a melting point or lower (including alloys), and then formed by electrically connecting the electrodes. In addition, in the metal box pipe of the present invention, the ratio of the thickness of the pipe to the inner diameter of the pipe (official thickness / inner diameter) is small, and it is preferably 1/5 () () or less. In addition, the pipe thickness and The inner diameter of the tube is an average value at various places (for example, 5 to 10) due to the allowable range error. In addition, the inner diameter of the metal box tube is not particularly limited, but it can be appropriately determined according to the intended use. However, For example, the toner baking light or developing rollers of image forming devices such as electrophotographic printers, laser printers (LBPs), photocopiers, and facsimiles must be small and lightweight, so they must be compatible with today's use. Those with an inner diameter of 50 mm or less are preferred. In particular, the manufacturing method and manufacturing apparatus of the present invention described later may be It fully meets the needs of miniaturization as mentioned above, and when the curvature of the pipe is increased due to miniaturization, and when it is required to be formed into a tube: for workability, the aforementioned anomalous material of Vostian iron series non-recording steel can also be used. The small diameter of about 10 to 15 mm is fully achieved. Similarly, the length of the metal tube is not particularly limited, and can be appropriately determined according to the application. However, 'e.g. electrophotographic printers, laser printers, etc. Machines (LBP), photocopiers, money transfer, and other image forming devices such as powder baking baking sticks or development sticks need to be small and lightweight, so it is better to meet the current use of less than 500mm in length. In particular, the manufacturing method and manufacturing apparatus of the present invention described later can fully meet the demand for miniaturization as described above. With the trend toward miniaturization, the degree of influence of material errors on accuracy is greater, but the present invention is difficult to deform when cutting a predetermined size (punching) by using the aforementioned annealed material of the Vostian body iron stainless steel, so, It can make the die cutting size extremely high precision, and can easily and fully meet the needs. Also, the metal foil tube of the present invention has a durability of 1 × 106 times or more in a fatigue test that produces a deformation of 0.2% or less under repeated cycles of 60 cycles / min or more, and preferably 2 × 106 times or more Durability. The present invention is used in toner baking rollers for image forming devices such as electrophotographic printers, laser printers (LBp), photocopiers, and facsimiles, or for imaging purposes. At the same time, the fatigue test is generally the fatigue test specified above, but if the durability at this time exceeds 1 million or 2 million times or more, it can have extremely high durability that far exceeds the durability of the components required today. When the fatigue test results of metal stern tubes are less than 100 or 2 million times, the durability of metal 5 thin tubes cannot be dramatically improved. Here, the term "durability" refers to a state in which the surface is free from cracks and / or cracks, and there is no abnormality such as peeling or bonding at the joint portion. Considered to be non-durable. However, according to the present invention, the fatigue test result of a metal stern tube may be sufficient when the fatigue test result is more than 500,000 times.

In addition, the use of the metal box tube of the present invention is not particularly limited. For example, it can be used for the baking of toner for image forming devices such as electronic photofield printers, Raytheon money (LBp), photocopiers (copy fax machines, etc.) You Xian, etc., but the benefits are not limited to these. 15 20 Metal foil tube manufacturing equipment> The description. 'For the manufacturing device of the metal box tube of this embodiment, the bamboo shoot is a piece of wire processing board formed into a metal box tube. ΓΓ is the front view of the golden shirt tube before the rotation, the i (c) th is a three-dimensional view of the linear metal 。. The first i 2 s 俾 / work is made of a spiral gold shot 1 f B == Ming, a cross-sectional view of the golden kiss manufacturing device of the embodiment. The top view of the figure is shown in Figure 4 along the 4_4 line of Figure 3.

As shown in Fig. I (A) 42 200417428 and Fig. 1 (B), the metal foil raw plate W used in this embodiment has a rectangular overall shape. For example, the length &amp; is i width S2_0mm, and the plate Thick ... This is the second form, which is to make the cross section of the unprocessed plate w of the metal box into a circle: the ends of the edges are overlapped, and the overlap G is connected to sa 丨 ㈣wei, * For metal @ 5, P. The metal flute P can be used, for example, to cool a material copying machine. And each of the metal foil tube manufacturing apparatuses of this embodiment include,

部 10 与 炫 接 部 3G. The forming department's role is not to form a rectangular metal ^ processed plate W into a cylindrical shape, but to use a molding equivalent to an outer mold = to make a metal foil unprocessed plate in stages ... 〇, around, and formed into a cylindrical shape, the welding portion 30 is used to weld the overlapping portion of the opposite end portion of the metal foil without the &lt; W plate.

First, the forming portion 10 will be described. In FIG. 2 and FIG. 3, the forming part ο includes a cylindrical core rod 13, a forming device 15, and a positioning member i6Y 15. The core rod 13 is cantilevered by a support portion 12 provided upright on the abutment 11 and is formed. The device 15 is located below the core rod 13 and holds the unprocessed metal foil sheet and winds it around the outer peripheral surface of the core rod 13. The positioning member 16 is used to position the metal foil unprocessed sheet W on the core rod π. The core rod 13 is longer than the length Si of the metal foil unprocessed plate w, and a thickness of 20 degrees is equivalent to the length S2 of the metal foil unprocessed plate w in the width direction. The core rod 13 is described later. More details. The molding device 15 includes a positioning member 16, a holding plate 17, a first pressing member 18, and a second pressing member 19, as shown in FIG. The positioning member 16 is a member for positioning the center of W approximately at the center below the core rod. The holding plate 43 200417428 5 work 10 17 is located below the core rod 13 and is connected to the cylinder Ci 'and can be approached and separated while the core rod 13 is kept in a parallel state. The shaft holding plate has a flat surface, and a semi-circular recessed portion 20 ′ which can be fitted with the material 13 is formed at the center of the towel. The face wound under the core rod 13 is divided into a U-shape. The first pressing member 18 is used to press the side of the metal box which has been deformed into a U-shape without a plate W standing up on the side of the tree 13 so as to make it close to the outer periphery of the core. As shown in Fig. 4, the first pressing member 18 is located to the left of the core rod 13 on the holding plate 17, and the domain face Q approaches and leaves in a direction perpendicular to the axis of the core correction. work

The second pressing member 19 also has the same structure as the i-th pressing member, and uses the core rod 13 as a towel center and is disposed at a position symmetrical to the first pressing structure 并, and moves closer to and away from the core rod by the movement of the cylinder C3. 13. Press the other side of the unshaped metal foil raw plate w against the outer periphery of the core rod 13. 15 #The positioning members 16, the holding plate 17, the first and second pressing members 18, and the second pressing members 19 work together to wind the metal 羯 unprocessed plate w around the outer peripheral surface of the core rod 13 and above the core rod 13. The opposite edge end portion of the metal grate unprocessed plate w, that is, the overlapping portion G where both end portions in the width direction overlap is formed. In addition, the unprocessed metal foil W is carried into the holding plate 20 of the forming apparatus 15 by, for example, using an appropriate conveyance mechanism (not shown) such as a negative pressure adsorption mechanism.

The positioning member 16 is inserted through a rod provided in the through hole 21 of the semicircular recessed portion 20 formed in the center of the forming device 15, and is provided at the rear end portion, the central portion, And the front end, and 44 are respectively approached and away from the underside of the core rod 13 by the cylinder C4. The positioning member 16 abuts the underside of the core rod 13 when approaching, and presses the unprocessed metal foil W to keep the unprocessed metal box W in a fixed position. The time when the positioning member 16 operates is the time when the metal 羯 unprocessed plate W placed on the holding plate 17 is pushed upward by the moving of the holding plate 17 and comes into line contact with the core rod 13. However, the positioning by the positioning member 16 alone cannot form the overlapping portion G having a uniform width from the lower end to the front end of the core rod 13. Therefore, the forming section 10 of this embodiment is provided with an overlapping area adjusting mechanism 22 (see FIG. 5) for adjusting the overlapping area x (see FIG. 1B) of the overlapping portion G. Here, Figure 5 is an enlarged view of the main part of Figure 4. The overlapping area adjusting mechanism 22 is an overlapping portion G that "displaces a part of the circumference of the metal foil unprocessed plate W in a radius (radiation) direction" so that the opposing sides overlap each other before pressing by the second pressing member 19 The overlapping area X is a predetermined threshold, such as about 0.1 mm. More specifically, as shown in FIG. 5, the overlapping area adjusting device 22 is configured inside the core rod 13, and eccentric devices (cams or rollers) 23 are provided at least at the rear end and the front end of the core rod 13, and This eccentric device (cam, roller, etc.) 23 is driven by a driving device (motor, etc.), so that a part of the circumference of the metal foil raw plate W is displaced in a radial direction. The amount of rotation of the eccentric device (cam, roller, etc.) 23 is controlled by the number 来自 § from the control unit 24 so that the overlapping area X becomes a predetermined value. The control unit 24 includes a detection device (CCD camera, etc.) 25 for detecting the overlapped area X of the overlapped portion G, and a calculation unit 26 that monitors it and compares it with the aforementioned predetermined value to determine a control amount. In addition, the driving device (motor, etc.) 乂 1 can operate the eccentric devices 23 (cam or roller, etc.) 23 provided at the rear end of the core rod 13 and at most of the rear end, center, and front end, but each The eccentric device (cam, roller, etc.) 23 operates independently to adjust the overlap area X. 5 However, the present invention is not limited to this. For example, the other overlapping area adjusting mechanism 22 is a dot chain line as shown in FIG. 5. The aforementioned eccentric device (cam or roller, etc.) 23 may be provided outside the core rod 13. In addition, it can also be arranged around the core rod 13 so as to avoid the non-adhered portion of the metal foil unprocessed plate W from adhering to the core rod 13 and pressurizing by a pressure member to make the circumference of the metal foil unprocessed plate w A portion is displaced in a radial direction. In addition, as shown in FIG. 6, the pressing member 28 provided on the outside of the core rod 13 may be pressed toward the concave portion 27 formed on the core rod 13 to press the metal and treat the circumference of the unprocessed plate W. A part, as shown by the dotted line on the figure, is displaced in the radial direction. The pressing members may be any of a cam, a roller, a cylinder, or a 15-bar member. It is known from the experiment that the overlap area (X) is preferably to satisfy x $ 40 + 5t (the unit is // Π1) when the plate thickness is ⑴. Next, the welding portion 30 will be described. The welding in this embodiment is resistance welding. Because it is a thin metal foil uncoated sheet w, it is necessary to use the Gu Yi controlled welding method. In particular, it is better to use seam welding in resistance welding, especially flat seam welding. When this welding is used, the difference in hardness between the welded part and other parts is small, which is a good result. In addition, it has been found that when laser welding or plasma welding is used, the hardness is more than a difference, which is not practical. 46 5 10 15 20 An enlarged cross-sectional view showing a connection state in this embodiment is shown on the connection diagram side. As shown by _ 'in the direction outside of the core rod 13 == fixed electrode member 31, and a moving electrode member η is provided opposite to the fixed electrode member 31, and a metal box panel is held and overlapped between the two electrode members. The portion G is welded. The fixed electrode member 31 is provided in the shape of the outer surface of the core rod 13 in the axial direction—inner 33. In addition, the movable electrode member 33 is a conductive electrode wheel 32 in which the surface pressure overlapping portion G moves in a rotatable manner. The steel loose port "the electrode member 31 is formed by melting in the groove 33 on the top of the core rod 13, but because the electrode wheel 32 rotates on the upper side of it, the upper surface of the fixed electrode member 31 is formed as a whole. The surface is better. F ¥! I l The fixed electrode member 31 may be, for example, a flat copper wire. The value is also, and the W part is a flat surface, and it is not necessary that the entire upper surface is a flat surface. When the upper surface of the fixed electrode 31 is a flat surface, it is preferable that the electrode wheel 32 is also a peripheral flat surface, but if the upper surface of the fixed electrode 31 is an arc surface, the ^ β surface is a concave shape, that is, a drum Better. The radius of curvature at this time is larger than the radius of curvature of the arc-shaped surface of the solid electrode member 31. As shown in Fig. 4, the electrode wheel 32 is connected to the power supply unit 35 through a conductive flange-like rotating structure, and the power supply unit 35 is supported by a non-conductive socket. The bracket 36 is connected to the cylinder a and can be lifted and lowered freely by it. The barrel is covered with a block 37, which is supported by a pair of guide rods 38 (refer to FIG. 3) and can rotate freely, and the block 37 can be arranged to be inserted through a central rotating shaft 39 , Moves along the axis of the core rod 13. The outer spiral shaft is supported by a bearing portion 42 provided on the support table 40, / 1 °, 41, and is connected by a coupling 43

47 200417428 Drive (motor, etc.) M2 rotates. That is, the electrode wheel 32 is moved up and down by the cylinder q, and is moved by the screw shaft 39 and the driving device (motor, etc. from the rear end of the core rod 13 to the front end. In order to prevent the hardness of each electrode member 3 BM from unevenly touching or Uneven wear does not allow long-term reliable welding, and it is preferred that the hardness is approximately the same as that of the gold 5-metal foil unprocessed sheet W. From experiments, it is known that the electrode damage is less than 180 in terms of Vickers hardness Hv. To improve the high temperature strength or creep strength, the fixed electrode member 31 and the movable electrode member 33 are preferably composed of at least a portion of a copper alloy dispersed with molybdenum or alumina. In this embodiment, the thickness is extremely thin from 10 to 100 μηι. The metal foil and the unprocessed plate W are welded with an extremely small overlapping portion g of 0.1 mm. Therefore, the current value and the transmission speed are a problem. However, it is known from experiments that the current value is about 700 ~ 15 amperes and the voltage is 0.5. The best results are obtained at ~ 2.0 volts and a transfer speed of about 0 to about 5 m / min. However, when the current flows, the welding portion is heated by 30, and when the welding operation is performed for a long time, the thin metal foil raw plate W It may be deformed due to the heat, and may not be welded well. The metal foil raw sheet W is wound around the outer peripheral surface of the long core rod 13 to form a metal foil tube p. Therefore, the metal is taken out and peeled off. The foil tube is also a problem. Here, the shape of this embodiment is to perform various processing 20 methods on the core rod 13 itself, and to solve the aforementioned cooling (deformation) problem and the removal problem. First, because the core rod 13 It is used to make the metal foil unprocessed plate w into a model material with a circular wearing surface. Therefore, the overall cross-sectional shape is circular. As shown in Fig. 6, the wearing surface is provided with a gamma-shaped wearing surface at the center. A common machine 48 has a core portion 13a made of carbon steel for mechanical construction, and an electrode support portion 13b made of a high-strength core steel to hold the fixed electrode member 31 is mounted on the core portion 13a, and is placed on the core portion 13a. The side portion is provided with a side plate portion 13c which is integrally processed into a circular cross section. 5 In the state as described above, even if the fixed electrode member 31 is worn, it can be easily replaced, and the entire shape can be easily formed into a circular cross section. Again As shown in Figs. 6 and 7, a fluid passage 45 is formed inside the fluid passage 13. The fluid passage 40 includes a central passage 45a formed at the center portion along the axis of the core rod 13, and a radial passage formed from the central passage 45a toward the radial direction. 10 branch channel 45b. In addition, Fig. 7 is a schematic cross-sectional view along the axis of the core rod. The knife fluid channel 45 is a figure of ㈣ ride rotation joint (2). The pipe 47 connected to the end of the core rod η introduces air, and By this air cooling core Sinji, air is ejected from the branch passage 45b, whereby the metal box tube p is floated from the surface of the core rod 13 and taken out. / 15 When using air, the workability is good and the working environment is clean. However, it is not limited to this. Other fluids such as water or cutting oil can also be used. In addition, in order to easily remove the metal foil tube p from the core rod 13, a gap qr (refer to the second figure) extending in the axial direction may be provided on the outer peripheral surface of the core rod 13 to reduce the risk of unprocessed metal boxes and metal plates. The tight area of the core rod 13 makes it easier to remove the metal box tube p. With regard to the aforementioned removal, the core rod 13 itself may be composed of a plurality of members, and after the metal box tube P is formed, it may be disassembled. Fig. 8 is a schematic cross-sectional view showing the axis and line of the core rod of another example. For example, as shown in FIG. 8, the core rod 13 can be divided into two core rod members 49 13 (1, I3e) by a tapered surface 50 staggered with the axis. After the metal foil tube is formed, one core rod member is formed. The metal foil tube 卩 is peeled from the core rod 13 by sliding in the axial direction relative to the other core rod member 13d. However, when the core rod 13 is taken out using the divided core rod 13 as described above, the core rod 13 may be configured to be supported by both ends. A structure with one side that can move in the axial direction. As shown in Figure 1 (c), the metal foil tube obtained by the foregoing embodiment can serve as a metal foil tube where the overlapping portion G has a welded portion that is welded in a straight line. However, the present invention is not limited to this. For example, as shown in FIG. 1 (D), a heavy metal portion G having a spirally-shaped joining portion can be obtained. This 10, for example, is a metal having a proper thickness. Luo is cut into an appropriate width, and it is wound around the electrode g around the mouth of Mengyi in a spiral shape. At this time, the detection device is used to adjust the overlapping area x of the box and Luo to about 0.1 mm. Rotate the electrode rod φ to rotate left and right, and make another electrode above the overlapping portion An electrode made of copper alloy or the like is moved, and electricity is generated between the electrode and the electrode rod. Then, the tube is cut to an appropriate length, and it is ground on the inside and outside of the vicinity of the joint as needed to obtain The required braided tube. Also, the ratio of the thickness of the aforementioned metal tube to the inner diameter of the metal drop tube is preferably> 5, and preferably 1 / 5_. In addition, because the metal book referred to here is not processed The thickness of the plate and the inner diameter of the metal swing tube have an allowable range error 'so' is the average value of multiple places (such as about 5 to 10 places). In addition, when current is applied to the electrode rods and seam welding is performed, The 4 joints can be stabilized by the presence of money-like cymbals (the solidified knives) or 50% or more along the refining lines with intermittent nucleation and nucleation. During seam welding, once the nucleation is generated, even if the disc-shaped electrode (refer to reference numeral 32 in Fig. 6) rotates and rotates, most of the current also flows in the nucleus with small resistance (ineffective current), and the newly joined In the interface 'due to the high resistance, there is only a small amount of electricity Flow. Therefore, this part will be in a crimped state when the melting temperature does not reach 5. Once the crimped part is completed, the resistance here will also be small, so it will prevent the formation of nucleus in the same way as the nucleus. In order to avoid In such a vicious cycle, the inventors used pulse power to perform seam welding, set a longer non-energizing time after a short power-on time, and successfully obtained continuous nucleation by repeating this cycle. At this time, the most suitable power is 10 The ratio of time to non-energized time is 1/12 to 1/8, and when it is less than 1/12 or exceeds 1/8 to 1/6, "intermittent nuggets will be generated. In addition, according to experiments by the inventors and the like" It is learned that even with intermittent nuggets, if more than 50% of the length of the weld line is covered with nuggets, there will be no problem in strength. Therefore, it is necessary to use a pulsed power source and to switch on and off time. The ratio is preferably set to 1/15 to 1/7 15 for seam welding. As a result, more than 50% of the length of the weld line can be covered with nuggets. Similarly, when using a pulsed power supply to perform crimp seam welding, in terms of more stably increasing the strength of the welded portion, it has been found that there is an optimal ratio between the time when electricity is applied and the time when electricity is not applied. In other words, when the flat seam is welded, it is preferable to perform welding by using a pulsed electric source of 20 and setting the ratio of the energized time to the non-energized time. <Manufacturing method of metal foil tube> A description will be given of the function of the manufacturing device of the metal foil tube having the above-mentioned structure, and the manufacturing method of the metal foil tube. 51 200417428 <Forming step> A metal foil raw plate W having a thickness of 10 to 100 μm is placed on a holding plate 17 of a forming device 15 by a conveying mechanism such as a negative pressure adsorption mechanism. The unprocessed plate W of the metal box is held by a guide member (not shown), and is fixed at a position where the center line coincides with the center axis of the five rods 13 and the center line of the recessed portion 20 of the holding plate 17. From this state, the holding plate starts to rise from the cylinder (^), and the holding plate is often maintained at a position parallel to the core rod 13. However, when the unprocessed metal foil plate is in contact with the core rod 13, the unprocessed metal foil plate The rod 13 is regarded as the center. It can be lowered and the two sides are approximately the same visibility. When the unprocessed metal box w contacts the core rod 13, the positioning member 16 starts to move. The positioning member 16 moves the rod by the cylinder Q to make it The center of the core rod 13 is abutted from below, and the unprocessed metal foil% is held between the core rod 13 and the front end of the rod. The side holding is performed at the rear end, center, and front end of the core rod 13, so the metal 15 ϋunprocessed plate W The full length contacts the mandrel 13. Thus, the unprocessed metal box W 金属 of the metal box is located approximately in the center of the visibility direction. After positioning, when the cylinder C1 is operated, the holding plate 17 rises, and the mandrel 13 starts to be held. The recessed portion 20 of the plate 17 is formed. As a result, the unprocessed plate of the metal box is U-shaped. Then, when the core rod 13 enters the recessed portion 2020 of the holding plate 17, the unprocessed metal foil plate W is deformed and wound. The outer peripheral portion of the lower half of the core rod 13 stands sideways with a pair of The first pressing member 18 protrudes toward the side by the action of the cylinder C3, and the protrusion is performed until the front end of the first pressing member M contacts the outer periphery of the core rod 13 to be soil, and the round fox surface is made. The part 18a presses one side of the metal box without the I plate W so that it 52 adheres to the outer periphery of the core rod 13. Next, the second pressing member 19 also operates by the cylinder C3, and presses the metal box unprocessed plate W. The other side is until the round fox face part i9a at the front end comes in contact with the core _, but the short section is stopped before the final stage, so that the metal unprocessed sheet W is not completely in close contact with the core rod 13. That is, 'winding Around the material 13 and a set of overlapping portions G where the opposite end ends overlap is formed on the top of the core rod 13, but the other side is in a displaceable state, not in a fully positioned state. In a displaceable state, the overlap region X of the overlap portion G is adjusted. The adjustment is performed by the detection mechanism (CCD camera, etc.) 25 of the control portion 24, and the amount of the overlap area is measured / compared with the predetermined value in the calculation portion 26. To determine whether it is positive or negative. If JL is constant, the driving device (motor, etc.) will be biased. The device (cam or roller, etc.) 23 rotates so that the wire guard plate w is displaced in the radius (radiation) direction. The overlap area 重叠 in the overlap portion G meets x $ 40 in the case of the aforementioned plate thickness (t). + 5t (when the unit is, the adjustment of the overlap region X is ended. In this state, the second pressing member is moved by the cylinder ^, so that the other piece of the wire processing plate w is completely adhered and pressed against the core rod 13. Borrow Therefore, the unprocessed metal foil W remains in the state of being positioned on the core rod 13. <Welding Step> When the retention of the unprocessed metal foil w is finished, the position of the overlap portion G is located at the front end of the first pressing member 18 and the second pressing member. 19 is between the front end and directly above the fixed electrode member 31, and since the electrode wheel 32 can be raised and lowered between the i-th pressing member 18 and the second pressing member 19, the flash connection can be started. 200417428 At the beginning of welding, if the electrode wheel 32 is located at the rear end of the core rod 13, and the whole welding is performed, it can be a welding with good accuracy. Welding begins with the action of the cylinder (: 5. The cylinder moves well, its piston rod descends, and the electrode wheel 32 passes through the bracket 36, the supply member 35, and the flange-like rotating member 34 descends. The electrode wheel 32 Enter the first pressing member between the front% and the front end of the second pressing member 19, and hold the overlapping part G with the fixed electrode member in private. Under the state of holding, power is applied between the fixed electrode member 31 and the electrode wheel ^. At the same time, the overlapping parts G are fused to each other and the driving device is driven simultaneously (the thief such as a motor also starts 10 to rotate the screw shaft 39 and make the moving block «㈣ green on the overlapping part G 3 ~ 15m / min belongs to the foil. The end of the processing plate W is welded. In addition, according to the situation, the electrode wheel 32 can also be located at the front end of the core rod 13, and the surface is welded and the surface is flattened. Ρ 心 15 20

Quickly i <Processing steps>

At the end of welding, the welded part is processed to make it smooth. The force is ground by a sharpening stone, or pressed by a grinder or a roller calender until the surface of the metal fl tube P becomes smooth. However, since Ding technique can be used, the description is omitted. A head Next, the metal foil tube P is taken out from the core rod 13. This extraction is performed by supplying air to the fluid passage 45 from the end of the #rod, and then passing it through the car 13 along the mandrel 13 (the diverging passage 451 diverging from the central passage 45a) is sprayed in a radial direction, thereby pulling the metal foil tube p from the mandrel. 13 stripped. Even if there is only a small amount of gas, the metal foil tube p can be easily removed from the core rod 13 if there is air flow between the core rod 13 and the metal foil tube p. Alternatively, the aforementioned processing may be performed after the removal. In the foregoing embodiment, the movable electrode member is moved on the fixed electrode member or the metal foil tube P is moved. However, in addition to this, the present invention may also move the two electrode members relative to each other, or the two electrode members and the metal foil tube ? Move relatively. The welded metal foil tube obtained by the foregoing welding method can be directly used as the smelted metal stern tube of the present invention and widely used in various applications. However, according to the needs, it can be put in the welded metal foil tube obtained by the foregoing welding method.

10 Enter the mandrel, and then cold-guard to reduce the thickness by 15 degrees by extrusion, split roll rolling, compression molding (die-casting), metal spinning molding or a combination of these methods, and make the former Wei The material is slipped with difficulty _ shape and surface thickness, and the material of the welded part is processed and hardened. The guarding method of the metal tube ’s crotch can be carried out as described above. Cold working is performed by a combination of the compression molding method, and the metal molding method or the dance method. Because of the extrusion method, the segmentation method, the compression molding method, and the metal spinning method, the well-known cold processing method, Therefore, the description of the processing method here is omitted.

20 = It is not easy to directly enter the lamp when the second joint is connected to the metal joint. Therefore, it is possible to apply cold machining to the gold in advance (main mandrel A㈣ ", e is placed in the mandrel, and U is plastic machining. ): 心: mandrel, such as S45C through quenching the high system using the outside diameter in accordance with the inside diameter of the tube, and it is best to "quote" to replace the core with a suitable outside diameter at any time The inner diameter of the shaft tube is increased by 55. The extrusion method is based on the fact that the welded tube is inserted into the mandrel and then the surface of the tube is tapped with 3 to 4 tools to reduce the thickness of the tube. The split roll rolling method is after the welding pipe is inserted into the mandrel, and then a small clamp or a backing roller is used to press the majority of the small straight arranged on the outside of the pipe, so that the pipe is rotated relative to the majority of the small-diameter rollers, so that the pipe In addition, the compression molding method is a method in which a slightly thick material (here, the solvent name ¥ that has been placed in a mandrel) is stretched through a conical hole (die hole), and an appropriate method is used. In the case of slip agent, the tube can be made thin without changing the diameter of the tube. The metal spinning type molding method is to make the thickness of the tube thinner while making the single or most of the blades press the outer surface of the tube while rotating the welding and famous officials who have been placed in the mandrel. When the tube is close to the finished size, the surface roughness of the processing tool or die becomes very small, thereby making the shape of the welded portion uniform and smooth. The metal foil tube of the present invention is thinned by the aforementioned cold working 'and The welded portion is adjusted to be smooth so as to achieve a surface roughness Rz20 (im or less) specified by 8 b60i_2001 (maximum thickness roughness). In addition, the aforementioned cold working is used to reduce the thickness and make the material Work hardening, so that the hardness of the material is measured from Vickers hardness (Hv) to 300 ~ 600, preferably 400 ~ 600, and more preferably 45 ~ 55. By this, it can be As mentioned above, there is provided a smelted metal foil tube having excellent hardness in terms of financial properties, abrasion resistance, and high cycle fatigue life. In addition, the so-called Vickers hardness here refers to the base material of the metal foil officer. Hardness of both the welded part and the welded part. In the manufacturing method of the metal foil tube of Ming Dynasty, when the stainless steel is welded by seam, ct »Ding 'is hard to passivate the film on the surface of stainless steel. Therefore, in order to completely destroy it and obtain a strong metal bond along the entire length of the weld line, It is necessary to carefully review the current, voltage, welding speed, and energization ratio, etc., and weld within a narrow welding range of 5 仃. In particular, perform 2 flat foils with a flat weight of $ 2 to form a flat thickness of 1 When the seam is welded, the current density of the part where the foil and the surface are closed, that is, the part where the two parts of the box overlap are pressed by pressing to make it approximately integrated is small. Therefore, the strength of this part is not sufficient. During repeated processing, it may be opened along the bonding line. 10 In order to solve this problem, the inventors found that two methods are effective. One of the methods is to join or re-stain the stainless steel foil by resistance welding or the like. The formed stern tube is heat-treated so that the bonding wire is diffusely bonded to compensate for the joint strength. In this case, the reduction is preferably performed in a vacuum heat treatment or an inert atmosphere. Appropriate heat treatment temperature is 8GG ~ 11GG ° C. Stainless steel is for the moon: grain iron system or Asada loose iron system, low temperature can be used, while for Woshida iron 15 糸, high temperature is required. However, if the temperature is lower than _ ° C, the diffusion bonding cannot be performed sufficiently, and when it exceeds 1100 ° C, the deformation during heat treatment is large, and the crystal grains are coarsened, which is the best. In addition, the heat treatment also has the effect of making the perimeter of the welded portion… stress open 'the periphery of the welded portion no longer looks like a hard shaft. In addition, if the aforementioned hard electric ore is performed after the heat treatment, the degree of the position of the glazed portion can also be determined by the concavo-convex phase thermal method of the concealed portion. The above-mentioned hard metal can be mainly composed of metals such as chromium and nickel, and it is effective to add additives such as Ping in order to make these halogens more effective. When the electro-forged gripper is made of gold, the concentration of P is preferably 4% by weight. When it is less than 1%: the result is weak, and when it exceeds 14%, the electric money layer is brittle and prone to cracks. 57 200417428 The electroplating method can be electroless or electroplated. Electroless electroplating is more suitable for the inside (inner surface) of the plating tank tube. ίο

The second method is the golden shot beforehand: waiting for group 10 ~ 11 elements or alloys containing these elements (for example, ... series: gold, etc.) or _ lower than the dazzling point of metal 等 such as A1 Metal (including alloys), and preferably eight points, etc., is 1 dove. c. The following metals (including alloys) are made by electrically connecting them to gold tubes. Using this square temple, 'If the-part of the bonding wire does not reach the gold injection point of stainless steel, but it has reached the melting point of the electric ore layer, the electric ore layer will be melted, and most of the Passively passivated film on the surface of metal foil, such as stainless steel, is drawn along the joint line to the outside of the joint. Therefore, a complete metal bond can be obtained along the weld line. In addition, although small grooves are generated in the closed portion of the end surface of the foil, this is also buried by the electroplated molten metal, and no dent is generated at the joint.

In addition, the manufacturing method of the metal drop tube of the present invention is based on the welding of the metal stern tube I5, and there is a continuous nucleus (a smelting and solidifying part) along the melting line at the welding portion, or 50% along the welding line It is better to have intermittent nuggets in the above part. This is because the welds such as seam welds can be stabilized by the existence of continuous nuclei (melted and solidified parts) along the weld line, or intermittent nuggets present at more than 50% of the weld line. Increase the strength of the weld. -° Also, during seam welding, once a nugget is generated, even if the disc-shaped electrode (refer to reference numeral 32 in Fig. 6) rotates and rotates, most of the current flows in the nugget part with low resistance (ineffective current), and In the newly bonded interface, due to the high resistance, only a small amount of current flows. Therefore, this part becomes crimped when the melting temperature is not reached. Once the crimping section is completed, the resistance here also becomes small, because 58 200417428, this will prevent the nugget from forming in the same way as the nugget. In order to avoid such a vicious cycle, the present inventors used a pulsed power supply for seam welding, set a longer non-energized time after a short power-on time, and successfully obtained continuous nuclear refinement by repeating the cycle. At this time, the ratio of the most suitable power-on time to the non-power-on 5 power time is 1/12 ~ 丨. If it is less than 1/12 or exceeds 1/8 ~ 1/6, a nucleus will be generated. According to experiments by the present inventors, it is known that even if the nuggets are intermittent, if 50% or more of the length of the weld line is covered with nuggets, there will be no problem in strength. From the foregoing, it is known that in order to obtain a nugget with a joint length of 50% or more, it is necessary to set the ratio of the power-on time to the power-off time to 10 1/15 to 1/7. From the foregoing, it can be known that the method for manufacturing the metal foil tube of the present invention uses a pulsed power supply and sets the ratio of the energized time to the non-energized time to 1/15 to 1/7 to perform seam welding. In addition, when the inventor is equal to using a pulse power source for flat seam welding, in order to more stably increase the strength of the welded portion, he also found that there is the most appropriate ratio of on-time to off-time. That is, in the method for manufacturing a metal foil tube of the present invention, it is preferable to perform a flat seam welding by using a pulse power source and setting a ratio of the energized time to the non-energized time to 1/3 to 1/1. Examples The following examples and comparative examples are used to illustrate the effects of the present invention. However, the technical scope of the present invention is not limited to the following examples. In addition, the unit of measurement without special display units is the unit "rmm". Example 1 The surface roughness of a rolling roll was appropriately controlled, and SUS410L (ll% Cr-0.02% C) stainless steel was rolled to a thickness of 40 μm, so that the surface roughness Rz of the foil was 59 and 0.8, respectively, and The rolled material was cut into 94 3 mmLx25.0 mmW. The aforementioned M post having the thickness of two counties was wound around a jig of copper alloy over m0, and the overlapped part of 100 m was welded by seam welding. At this time, the periphery of the joint between the two ((a) surface roughness 112 is 1.4111, and (b) surface roughness is howling ❿ 笞) is cut off and embedded, and the The hardness (Ην) is about 270, and the hardness (Ην) of the joints is about 23 °. The abrasive samples of both were etched and the metal structure was investigated. As a result, it was found that neither of the joints of the two had a molten solidified phase, and the joint surface was in a solid-phase joint state. This is a low-carbon molybdenum phase. In addition, the thickness of the joint portion was both 55 # m. The two tubes (see Fig. 1 (C)) were cut into 50 mm lengths, and the inside and outside of the perimeter of the joint were ground so that the thickness of both joints was 42 // 111. Both were inserted into a hard sponge cylinder, pressed against the surface of a steel roll of 12010111 (; /) &lt; 80mmL, and rotated to investigate the fatigue life. At this time, the rotation speed of the test tube was 120 rpm, and the test tube was crushed by about 4 mm in the state of the closest fit to the steel roll. At this time, the deformation on the surface of the test tube was 0.17%. As a result of the test, after both the tubes (a) and (b) were rotated more than one million times, the test tube was normal. Example 2 30 μm thick annealed foil with a surface roughness of Rzl.Opm and 0.5 μm of SUS316L (16% Cr-120 / 〇Ni-2% Mo) was cut into 60 mm widths and wound around the aforementioned 30 mm Spiral around electrode rods made of 0 copper alloy. At this time, 'for both the surface roughness Rz being 1.0 μm and the surface roughness, it is thought that ... both of them' are used to adjust the overlap area of the foil and foil to 丨 ⑼ ^^, respectively. Then, while rotating the electrode rod, it is rotated to the left and right, and another electrode roller of 200417428 made of copper alloy or the like is rotated above the overlapping portion, and electricity is generated between the electrode rod and the electrode bar to perform a flat seam. Welding. The hardness of the periphery of the joint between ((c) a tube having a surface roughness Rz of 1.0 μm and (d) a tube having a surface roughness of 0.5 μΓη) was investigated in the same manner as in Example 1. As a result, the mother of the two was found. The material parts are all about Ην200, 5 and the joint parts are all about 245. In addition, the metal structure was investigated, and it was confirmed that neither had a molten solidified phase. The two tubes (refer to No. 1 (D)) were cut into 50 mm lengths, ground on the inside and outside of the joint, and subjected to a fatigue test in the same manner as in Example 1. In addition, the deformation on the surface of the test tube during the test was 0.13%. As a result, both of the tubes (c) and (d) could withstand a fatigue test of more than one million times. Example 3 A 50 # m-thick fully annealed material of SUS304 (18% Cr-8% Ni) with a surface roughness Rz of 0.3 // m and 0.8 // m was prepared in the same manner as in Example 1. Foil tube. In addition, the stainless steel foil was annealed in an Ar-H2 atmosphere 15 and the surface nitrogen concentration was 1.2%. Both ((e) the tube with a surface roughness Rz of 0.3 // m thick, and (f) the tube with a surface roughness RZ of 0.8 / zm) have joints of 75 // m, and they become 60 // mo At this time, the hardness of the base material part of both is about Hvl78, and the joint part is about Hv220. The fatigue test was performed in the same manner as in Example 1. As a result, both of the tubes (e) and (f) could withstand a fatigue test of 10.2 million or more times. Example 4 A 50 μm thick fully-annealed material of SUS304 (18% Cr * -8% Ni) having a surface roughness of 11 z 0.34 μm was used, and a foil tube was produced in the same manner as in Example 1. In addition, the stainless steel foil was annealed in an ammonia-decomposing gas, and the surface nitrogen / strength was 4.4%. The thickness of the joint was 77 μm, and was ground to 60 μm by grinding the inside and outside. At this time, the hardness of the base material part of both is about 190ν190, and the joint part is about Hv230. The fatigue test was performed in the same manner as in Example 1. As a result, when the tube was subjected to 500,000 times, fine cracks were generated on the surface of the base material. Therefore, the fatigue test was stopped. Can be fully used for practical purposes. Example 5 A 50 μm thick hard material of SUS304 (18% Cr-8% Ni) with a surface roughness of Rz0 5MJn was used, and the thickness of the foil joint was made by the same method as in Example 1, and the thickness was 90 μm, and It becomes 60μm by grinding the inside and outside. At this time, the hardness of the base material portion of both is about 410ν410, and the joint portion is both

Around Hv230, the hardness difference between the joint part and the base metal part is 43% of the hardness of the base metal part. The fatigue test was performed in the same manner as in Example 1. As a result, when the tube was 500,000 times, the boundary between the joint part and the base metal part Cracks occur and break. At this time, those having a durability of 500,000 times in terms of the use of the fans are already sufficiently practical. Example 6 A 20 // m-thick rolled material having a surface roughness of 2 # 07 # miSTJS42〇J1 (13% Cr_0.18% C) was used to produce a foil tube in the same manner as in Example 丨. In addition, the thickness of the interface ° 卩 is 32 "m, and it is 23 // m by grinding the inner and outer surfaces. At this time, the hardness of the base material portion is about Hv340, and the joint portion is about Hv315. Fatigue was performed as in Example 1 '. The test, as a result, the tube can withstand more than 10,000 times of fatigue test. Example 7 SUS630 (17% Cr- 200417428 4% Ni-4% Cu-0.2% NM) with a surface roughness Rz of 0.9 // m is used. 1% Ta) feet m thickness of the material should be an example! The same method is used to make the H tube. In addition, the thickness of the joint portion is 26_ by grinding the inside and outside. Then, it is heated to 104 (TC in a vacuum heat treatment furnace). Then, during the cooling process, the precipitation was hardened with a soak! Hours of soaking. At this time, the hardness of the base material part and the joint part was approximately the same, about Hv380. The fatigue test was performed in the same manner as in Example 1, and the results The tube can be used for fatigue tests of more than 200,000 times. Example 8 YUS170 (Japanese Nippon Steel Specification: 24% ⑸2% Ni_0.7% M0_〇35% N) with a surface roughness of R40,85em ) It is made of m-thick dry material and made into a tube in the same manner as in Example 1. The thickness of the joint is 303, and it is 22 by grinding the inner and outer surfaces. ym. At this time, the hardness of the base material portion is about Hv29 ° and the joint portion is about Ην22 °. The fatigue test was performed in the same manner as in the example. “Result” The tube can withstand a fatigue test of more than 1 million cycles. 15 Comparative Example 1 Yu Beixi * Examples 1 to 8 'Except for the use of laser welding instead of resistance welding (flat seam welding) to join the separate stainless steel tanks, the same stainless steel mooring materials were made into box tubes as in Example 8 to fatigue In each case, it was 帛 300,000 times, and a crack was generated at the boundary between the joint portion and the base material portion to break the comparative example 2. In K ^ Examples 1 to 8, 'except for plasma welding instead of resistance welding (pressure Flat seam welding) Join the steel box materials, and perform the same test as in Bubu No. 8 to test the non-mineral steel pure _ money tube Laizaki fatigue test. In any case 63 200417428 100,000 to 300,000 times, and join The edge boundary part of the metal part and the base metal part produced cracks and ruptured. Example 9 Using a watchmaker which has been annealed in the atmosphere of Ar-H2, ~ SUS304 with a surface roughness of Rz 0.90 m 5 and a thickness of 60 // m complete annealing pen A (surface nitrogen concentration is 1.2%), and the same method as the state, _Flat-hybrid method is made into a tube of 24 ~ 30mm0x250mmL. Then, for these ^ tubes, put an annealed mandrel made of S45C on these tubes φ,

卞 s T, and then cold-working to reduce the thickness by extrusion method, split roll method, stamping method, and metal spinning method or a combination of these methods to reduce the thickness, and smooth the welding section to adjust the welding The shape and surface roughness of the part, and at least harden the material of the welded part, thereby forming a foil tube with a thickness of about 30 // m, respectively. The dimensions, materials, and fatigue life of these vl tubes before and after cold working (ie, unprocessed and processed products) were measured, and the results are summarized in Table 1.

15 [Table 1] \ Processing \ Materials \ Quality etc. 等 Welding ⑺ Extrusion (3) 3 Split roll method (4) Stamping method (5) Metal spinning method ⑹; (2) + (3 ) ⑺; (5) + (4) tube thickness (μηι) 60 28 32 34 30 29 30 hardness (Ην) 220 467 423 396 448 454 445 surface roughness Ra (em) 0.62 0.33 0.18 0.12 0.29 0.19 0.12 64 200417428 5 10 Surface roughness Ra (pm) of the welded part 5.22 1.96 1.36 0.99 1.91 1.58 0.91 Fatigue life (hr) 456, 丄, Jr. 818 732 701 763 774 753 In Table 1 above, the tube thickness is shown as non-joint The thickness and hardness of the base material (base metal part) is the Vickers hardness of the base metal part. The surface roughness Ra of the welded part is measured by (JIS B0601 2201 arithmetic average thickness), and the surface roughness Rz of the welded part Measured by JIS B0601-2001 (maximum thickness and height) of metal rhenium. The fatigue life of the aforementioned Table 1 is the same as in Example 丨. A hard sponge cylinder was inserted into each foil tube, and it was pressed against the surface of a steel roll of 120 mm0x while rotating to investigate the fatigue life. At this time, the rotation speed of the test tube was 360 rpm, and the test tube was crushed by about 4 mm in the state of the closest fit to the steel roll. At this time, the deformation on the surface of the test tube is (1) 0.34%, (2) 0.16, (3) 0.18, (4) 0.19, (5) 0.17, (6) 0.16,

(7) 0.17%. The test is carried out until it is confirmed that the foil tube is not broken and other abnormal situations. The working time (hr) at this time is the fatigue life. In addition, the cold working of each of (2) to (7) in Table 1 is started from the following melt-down pipes internally before cold working, and implemented by the aforementioned cold working methods. That is, (2) extrusion method; 26mm0 fusion tube, (3) 3-split roll rolling method; 24mm0 fusion tube, (4) compression molding method; 30mm0 fusion tube, (5) metal spinning type forming Method; 24mm 0 fusion pipe, (6): (2) + (3); 24mm 0 fusion pipe, (7): (5) + (4); 26mm0 fusion pipe. Example 10

SUS301, SUS201, SUS316N, YUS170 (24% Cr- 65 200417428 12% Ni-0.3% N) with a surface roughness of Rzl 2 "m which has been annealed in the atmosphere of Ar-H2, with a thickness of 25 // m Foil (surface nitrogen concentration is 1.7% ~ 2.4%), and the same method as in Example 1 was used to make a 30mm0x250mmL tube by a flat seam welding method. Next, these tubes were used as in Example 9 The same extrusion method + split roll rolling method (the aforementioned (6): (2) + cold processing of 加工) are processed into foil tubes with a thickness of about 25 / zm. The dimensions, materials, The fatigue life is shown in Table 2. [Table 2] \ SUS .301 SUi 5201 SUS316N YUS170 Materials \ Quality \ etc. ⑻ Welding (9) After processing (10) After welding (11) After processing (12) After welding (13) Processing Back (14) Welding (15) Pipe thickness (μιη) after processing 50 27 50 25 50 24 50 25 Hardness (Ην) 251 608 235 512 198 497 211 511 Surface roughness Ra (pm) of the welded part 0.42 0.29 0.51 0.18 0.55 0.17 0.45 0.20 Surface roughness Ra (pm) 3.45 1.96 2.73 1.32 3.72 1.45 2.57 1.42 Fatigue life (hr) 328 857 228 723 208 78 5 — 325-—-— 817 In addition, the thickness of the pipe (μιη) in Table 2 is greater (Ην), weld Ra ^ m), surface roughness Ra (| Lim) of the welded part, and fatigue life (h small As explained in Table 1 of Table 10. Moreover, the deformation generated on the surface of the test tube in the fatigue life test is (8) 0.28, (9) 0.15, (1〇) 〇28, (11) 0.14, (12). 〇 · 28, (13) 〇14, 66 200417428 (14) 0.28, (15) 0.14%. Example 11 SUS316 foil having a thickness of 25 μm was seam-welded in the same manner as in Example 丨 to prepare a foil of 3 mm 0x 250 mmL. Tube. And it is a hard electric ore with a thickness of 5 and a thickness of 2. The rod is placed on the inner surface of the box: Cr plating is performed across the inner and outer surfaces. Another one is formed by the same welding. SUS316 foil tubes are electrolessly plated with a target thickness of Ni_8% p, co, pd ^ m. The ends of these tubes are cut and the cross-section is embedded and ground, and then the thickness of the plated mold (layer) is investigated. In addition, in order to measure the hardness of the electroplated layer, the power ore on the iron plate is about 30 mm thick from the same material as described above, and is embedded in the resin and ground, and the hardness is measured. The electroless mining tube and the comparative electroless plated drop tube were installed in a printer as a fixing roller, and the small powder of iron powder was spread on the inner surface of the tube, and then rotated for 10 minutes. Next, e is removed 'and cut to see that the surface is defective. The results are summarized in Table 3. 〔table 3〕

Hardness of electroplated layer Ην The appearance of defects ^ a ^ _ Dozens of line-like marks are produced

No defect 2 βχη

The foil tube is not the same as the female watch 3, the hardness of each plating layer is Hv400 or more, and these metallurgical officers did not produce defects even in the unfavorable environment with iron powder scattered on the inner surface of the reading. For this reason, the electroless plating μ produced dozens of linear 67 defects. Example 12 • On both sides of SUS316 ^ with a thickness of 30 vm, electroless electricity of $ P, Ni_8% p, and brain 2% p with a thickness of about 2 // m was performed. In addition, in the vicinity of the 5 po ^ accommodating portion, that is, two sides between 2 and 3 mm away from the cut-off end face of the box = the thickness of the electric ship is about 50 ohm. The fzn was formed into a tube of 30mm0x250mmL by the flat seam welding method. The welded part was cut, and the cross-sectional shape and metal structure of the welded part were observed by grinding. As a result, the thickness of the base metal part including the plating layer was 34 # m, and the thickness of the fused joint portion where the two pieces of foil were overlapped was pressed to a thickness of 35 to 37 // m, which was approximately the same as that of the base metal part. Next, a side seam was performed around the welded joint, and the resin was embedded in it to observe the metal structure of the seam. The comparative material was electrolessly plated to a thickness of 40 # m2Sus. The flat seam was welded in the same manner, and after the welded portion was cut, the portion was seamed. And this part was insert-polished in resin, and the metal structure was observed. As a result, the welded portion of the 15 electroless plated foil was slightly open due to the side seam, and only the portion where the bonding line was formed on the foil surface was opened. However, the welded portion of the plated foil had no seam portion at all. Example 13 Foils of SUS304 and SUS420J2 with a thickness of 40 // m were welded by flat seams to form a tube of 30 mm 0x250 mmL. After welding, a vacuum heat treatment was performed at 20 ° C x 3 minutes for 20 SUS304 tubes, and a vacuum heat treatment was performed at 880 ° C x 10 minutes for SUS420J2. The heat-treated tube was cut near the welded portion, and the side seam was centered on the welded portion. Then, these were embedded and ground to etch, and the structure of the welded portion was observed. As a result, the welded portion has no opening at all and is resistant to edge seams. 68 200417428 Example 14 Ni-8% P electroless plating was performed on the inner and outer surfaces of the foil tubes of SUS304 and SUS420J2 made in Example 13. For each of these foils, a defect test was performed by using iron powder in the same manner as in Example 11. However, no linear marks were generated. In addition, fatigue tests were performed on these pipes, and even after 7.5 million passes, no damage was found to the welded portion. Example 15

A SUS316 foil having a thickness of 40 / zm was welded and welded into a tube of 30 mm &lt; /) X 250 mmL. At this time, the pulse power source is used as the welding power source, and the ratio between the on-time and the non-current-on time is changed in various ways. Then, the metal structure of the welding part is observed to observe the generation status of the nuggets. The results are shown in Table 4. [Table 4] Power on time / power off time 1/20 1/15 1/14 1/12 1/10 1/8 1/7 1/6 1/5 100 54 18 0 Compared with books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, books, etc. At 1/15 1/7, the nucleus fusion line is 50% or more, which is a good fusion.

15 Industrial applicability The metal foil tube of the present invention is joined to a metal plate by a stamping process such as a conventional method; a metal plate is formed by injection processing, plasma welding, etc. to form a tube. Processing, die-casting processing, protrusion processing 1 thinning 2 adding X without adding μ to make it into a material compared to a :, metal ', then annealing or heat treatment to thin it as needed, and 1 69 20 20041 ^ 428 Mass production of metal boxes or tubes of the required thickness, therefore, the production cost can be greatly reduced compared to the case of thinning each unprocessed tube. It is also known that when the cylindrical unprocessed tube made by punching, laser welding, plasma welding, etc. is thinned, mechanical stress is generated on the surface of the unprocessed tube. Therefore, rough manufacturing cannot be avoided. (Surface smoothness is reduced). However, the present invention can obtain a metal box with excellent surface smoothness through rolling treatment, and 4 metal 4 can be used to make a metal hall pipe. Moreover, the metal grate can be used without thinning. It is supplied directly for use, so it can maintain excellent surface smoothness. 10 Furthermore, the present invention is a tube formed by welding metal foil by a resistance welding method. Therefore, it is possible to easily perform joint control and to manufacture extremely thin metal foil tubes. Therefore, compared with the conventional thin tube formed by laser welding, plasma welding, etc., and thinning the tube, the difference in hardness between the joint portion and the non-joint portion can be made smaller, and it can be prevented. Metal fatigue, etc. at the 15 boundary portion between the joint and the non-joint causes a reduction in durability. In addition, regarding the problem of welding and peeling of the welded portion, in the thin tube formed by forming and thinning an unprocessed tube by conventional laser welding and plasma welding, etc., the thin portion is formed at the welded portion during thinning. Perform more than 90 ° /. The large-scale processing of left and right makes it easy to cause welding peeling during use. However, the invention does not cause problems even after 20 large-scale processing after welding. Therefore, it has the advantage that the welding part is not prone to welding and peeling. . In addition, the present invention has the advantage that any material can be selected as the metal foil in accordance with the application. That is, the present invention can use the original materials of hard to soft materials, and can appropriately select materials that meet the requirements of high elasticity, high 70 200417428 rigidity, light weight, extremely thin, high thermal conductivity, etc. according to the use. . The present invention utilizes hard plating on the inside and outside of the roller to prevent damage to the roller when foreign matter enters the paper, and to prevent adverse effects on the printing result. In addition, by performing hard electroplating, even if the nucleus formed by 5 melting and solidification is not continuously generated during seam welding, a complete metal bond will be formed along the weld line due to the dazzling of the key bond layer. In the manufacturing method of the metal foil tube of the present invention, even if a metal foil unprocessed plate having a thickness of 10 to 100 μm is formed after forming it to form an overlapping portion, the opposite edges are welded, and the welded portion is processed into It is smooth, so that even a very thin metal foil can be reliably processed into a tube. Since the metal foil is not formed into a circle at one time, it is wound around a mandrel with electrodes after positioning, and then welded after forming the overlapped portion. Therefore, extremely precise bifurcation can be formed or easily welded. Since this overlapping portion is formed while adjusting the overlapping area, it can be formed more precisely. The 15-fold area (X) meets x $ 40 + 5t when the plate thickness is ⑴ (unit is, even the extremely thin metal foil can be welded at both ends. Because the welding is a resistance welding method, it can be easily controlled It is welded to make an extremely thin metal foil. In addition, a fixed electrode member is provided on the core rod of the inner mold, and the movable electrode member and the fixed electrode member are arranged opposite to each other, and the metal foil is held between the two. When energized, the two ends of the metal foil can be joined with good accuracy. The manufacturing device of the present invention is arranged around a mandrel with a circular cross section perpendicular to the shaft, and is provided with a and close @@ Forming device, even for extremely thin metal boxes with a plate thickness of 10 to 100 μm, 71 200417428 can be reliably processed into a tubular shape after being welded to the opposite sides after forming the overlapping part. If the unprocessed plate of the metal box is formed into a U-shaped holding plate-the i-th pressing member and the 52-th pressing member that are closely pressed around the mandrel are pressed on each side to be positioned around the mandrel, and Overlap to the side end, so it can be extremely Wei-forming can also easily carry out subsequent welding. Due to the adjustment of the overlapping area of the overlapping portion, the non-dense pressure of the unprocessed plate is pressed by the pressurized metal placed on the inside or outside of the core rod (cam or roller, etc.) The pressing part or pressing the metal plate to the shape 1 () to form the recessed part of the core rod by pressing the pressing member can also be formed more accurately. Welding is connected to the core rod of the inner mold to set a fixed electrode member. A movable electrode member opposite to the fixed electrode member is provided, and a gold wire is held between the two to energize it. Therefore, both ends of the metal box can be connected with high accuracy. When the movable electrode member is an electrode wheel, Welding can be performed smoothly and with good precision, and when the hardness of each electrode member is about the same as the hardness of the unprocessed metal plate, welding can be maintained for a long time and the accuracy is good. After molding, 1 tube of gold shot is used for the core. When the fluid is extruded inside the rod in a radial direction, or when a divided core rod is used for removal, the metal drop tube can be easily peeled off by the core rod, and 'even the extremely thin metal box tube can be easily removed. 20 [Figure Equation 4 ^^ Description] Figure 1 (A) is a top view of the unprocessed plate of a metal box forming a metal tube. Figure 1 (B) is a wearing view of a metal tube before smelting. Figure 1 (C) This is a perspective view of a linear metal tube with a joint. 72 200417428 Figure 1 (D) is a perspective view of a metal foil tube with a spiral. Figure 2 is a diagram of a metal foil tube manufacturing apparatus according to an embodiment of the present invention. A schematic side view. Figure 3 is a top view of Figure 2. 5 Figure 4 is a cross-sectional view taken along line 4-4 of Figure 3. Figure 5 is an enlarged cross-sectional view of the main part of Figure 4. Figure 6 An enlarged cross-sectional view showing a welded state of the metal foil tube manufacturing apparatus according to the embodiment of the present invention. FIG. 7 is a schematic cross-sectional view along the axis of the 10 core rod in the metal foil tube manufacturing apparatus according to the embodiment of the present invention. It is a schematic diagram of another example of a core rod of the metal foil tube manufacturing apparatus according to the embodiment of the present invention. [Representative symbol table of main elements of the drawing] 10 ... forming portion 18 ... first pressing member 11 ... abutment 18a, 19a ... circular solitary surface portion 12 ... supporting portion 19 ... second pressing member 13 ... mandrel 20 ... recess 13a ... core 21 ... through hole 13b ... electrode support 22 ... overlap adjustment mechanism 13c ... side plate portion 23 ... eccentric device 13d, 13e ... mandrel member 24 ... control unit 15 ... forming device 25 ... detection device 16 ... positioning member 26 ... calculation unit 17 ... holding plate 27 ... recessed portion 73 200417428 28 ... pressurizing member 45a ... center passage 30. .. Welding portion 45b ... Bifurcation path 31 ... Conductive fixed electrode member 46 ... Rotary adapter 32 ... Conductive movable electrode member 47 ... Piping 33 ... Groove 50 ... Taper Surface 34 ... Rotating members Ci, C2, C3, C4, C5 ... Cylinder 35 ... Power supply section G, G '... Overlap section 36 ... Bracket M ^ M ^ .. Drive device 37 ... block P ... metal foil tube 38 ... guide rod R ... notch 39 ... spiral axis Si ... long lengths 40 and 41 ... support width S2 ... width Length in direction 42 ... bearing part t ... box thickness 43 ... coupling W ... metal / raw pipe 4 5 ... fluid path X ... overlap area 74

Claims (1)

200417428 Scope of patent application: 1. A metal foil tube is a metal foil with a thickness of 10 to 100 μm. 2. For example, the metal foil tube according to item 1 of the patent application scope, wherein the aforementioned metal foil is a 5 stainless steel foil, and the stainless steel foil is a fat-grained iron-based stainless steel, Ma Tian San &quot; And precipitation hardening stainless steel. 3. If the metal foil tube of item 1 or 2 of the patent application is applied, it is connected to the joint through resistance welding φ. 10 4. The metal foil tube according to item 3 of the patent application scope, wherein the aforementioned resistance welding is seam welding. 5. The metal foil tube according to item 4 of the scope of the patent application, in which the welding of the aforementioned seam is performed by using a pulse power source, and the ratio of the energized time to the non-energized time is set to 1/15 ~ 1/7. 15 6. The metal foil tube according to item 3 of the patent application scope, wherein the aforementioned resistance welding is a flat seam welding. 7. The metal foil tube according to item 6 of the scope of patent application, in which the welding of the flat seam is performed by using a pulse power source, and the ratio of the energizing time to the non-energizing time is set to 1/3 to 1/1. 20 8. The metal foil tube according to any one of items 1 to 7 of the scope of patent application, wherein at least a part of the joint surface is solid-phase joint. 9. The metal foil tube according to any one of the items 1 to 8 of the scope of application for a patent, wherein the bonding or welding line is arranged in a straight or spiral shape. 10. As for the metal foil tube in any of the items 1 to 9 of the scope of patent application, the absolute value of the hardness difference between the 75 200417428 joint or the dazzling joint and the base metal is calculated in terms of Vickers hardness (HV). The hardness of the base material portion is 25% or less. lh a kind of metal "'is a golden shot as described in any one of the patents in the scope of patent H0 | The tube is cold red to reduce the thickness and make the joint 5 mm smooth to adjust the shape and surface roughness of the aforementioned joint And at least the material of the joint has been hardened. 12. As stated in the metal jurisdiction of any of the patent scope 3 ~ u, it is just mentioned that it belongs to the forest rust steel, the domain stainless steel. Vostian iron is an annealed material of stainless steel. 10 13 · As stated in the special #] metal box tube of any one of item 12 in which the Vickers hardness (Hv) of the base metal portion of the metal foil tube is just described 180 or less. 14. The metal case tube of any of the 12 items in Item # 12 of Rushen #patent It, which states that the Vickers hardness (Hv) of the parent material part and the welded part of the famous official is 300 ~ 600. 15 15. If you ask for any of the items in items 11 to 14 of the patent scope, the maximum nitrogen concentration in the surface layer of the stainless steel foil is less than 3% by mass. Spring 16. Shishen. Monthly range of J.J. The metal box tube according to any one of 15 items, wherein the stainless steel foil contains: C: 0.05% by mass or less; 2〇Si: 0 .05 ~ 3.6 mass%; Mn: 0.05 ~ h〇 mass%; Cnl5 ~ 26 mass%; Ni: 5 ~ 25 mass%; Μο: 2.5 mass% or less, 76 200417428 (: 11: 2.5 Mass% or less; and value of 0.06 mass% or less, and the remainder is a soft Vostian iron-based stainless steel composed of Fe and unavoidable impurities. 5 17. As in any of the items 2 to 11 of the scope of patent application The metal foil tube, wherein the aforementioned stainless steel foil contains: C: 0.05 ~ 0.2 mass%; Si: 0.05 to 3.6 mass 0 / 〇; ΜκΙ.Ο to 5.0 mass%; 10 &amp;: 15 to 26 mass%; Ni: 5 to 25 mass%;] ^ 〇: 5.0 mass% or less; (311: 4.0 mass % Or less; and N: more than 0.06 mass% to 0.4 mass%, 15 and the remaining portion is a high strength composed of Fe and inevitable impurities Duworthian iron series stainless steel. 18. The metal foil tube according to any one of claims 2 to 12, in which the aforementioned metal foil is a rolled material of stainless steel, and a Asada scattered iron phase is precipitated in the welded portion. 20 19. The metal foil tube according to any one of claims 1 to 18 in the scope of the patent application, wherein at least one of the surface and the inner surface of the foregoing foil tube to which the foregoing metal 羯 has been joined and formed is surface hardened by a hard electric bond layer. 20. The metal foil tube according to item 19 of the patent application scope, wherein the composition of the aforementioned hard electroplated layer is mainly one or two metals of chromium, nickel, cobalt, and palladium 77 200417428 or more. 21. The metal foil tube according to item 19 of the application, wherein the composition of the aforementioned hard electrodeposited layer is a Ni-P alloy. 22. The metal foil tube according to item 21 of the scope of patent application, wherein the composition of the aforementioned hard electric plating layer is a Ni-P alloy containing 1 to 14% by weight of P. 23. If the metal foil tube according to any one of the items 1 to 22 of the scope of patent application is a plating of Group 10 ~ 11 elements or at least in the vicinity of the joint portion of one of the two surfaces of the aforementioned stainless steel foil One or more of the alloys, or a metal with a melting point of 1200 ° C or less, is formed by resistance welding 10 foils. 24. The metal foil tube according to any one of the items 1 to 18 of the scope of patent application is formed by heat-treating the aforementioned metal foil tube formed by joining or reshaping the stainless steel at a temperature of 800 to 1100 ° C. By. 25. For the metal foil tube according to any one of the items 1 to 18 of the scope of application for a patent, the metal foil tube composed of the aforementioned 15 stainless steel foils by joining or reshaping is heat-treated at a temperature of 800 to 1100 ° C. It is formed by performing hard plating on at least one of the inner and outer surfaces of the foregoing foil tube. 26. For the metal foil tube according to any one of the items 1 to 25 of the scope of patent application, in the welding part of the aforementioned metal box tube, there are continuous 20 nuclei along the aforementioned welding line, or at 50 along the aforementioned welding line. Intermittent nucleation exists in more than%. 27. For the metal foil tube according to any one of the items 1 to 26 of the scope of patent application, wherein the overlapping area (χ) μm of the joint portion of the foregoing metal foil tube is satisfied when the foil thickness (ΐ) μm of the foregoing metal foil is satisfied XS 40 + 5t. 78 200417428 28. For the metal foil tube according to any one of the items 1 to 27 of the scope of patent application, wherein the ratio of the thickness of the metal foil tube to the inner diameter of the tube is 1/500 or less. 29. The metal foil tube according to any one of the items 1 to 28 of the scope of application for a patent, wherein the surface roughness Rz 5 of the aforementioned metal foil tube established by JISB0601-2001 is equal to or less than 2.0 μm. 30. For the metal foil tube according to any one of the items 1 to 29 of the scope of application for patent, wherein the aforementioned metal foil tube has a fatigue test that produces a deformation of 0.2% or less in a repeated cycle of 60 cycles / min or more, and has lx 106 times The above durability. 10 31. The metal foil tube according to any one of claims 1 to 30 of the scope of patent application, which is a toner baking roller and / or a developing roller for an image forming apparatus. 32. A method for manufacturing a metal foil tube, comprising: a forming step of forming a raw metal foil sheet having a thickness of 10 to 100 μm to form a set of opposite edges, and a welding step of 15 Opposite side welding. 33. The method for manufacturing a metal foil tube according to item 32 of the scope of patent application, further comprising a processing step for processing the aforementioned welded part to make it smooth. 34. If the method of manufacturing a metal foil tube according to item 32 or 33 of the patent application scope, wherein the aforementioned forming step further includes a positioning step, the positioning step is performed before the opposite edges of the aforementioned metal foil raw plate overlap, so that the The metal foil raw sheet is positioned on a forming mandrel. 35. The method for manufacturing a metal foil tube according to item 34 of the application, wherein the positioning step is to hold the metal foil raw plate close to and away from the metal foil while maintaining a position that is often parallel to the core rod. 79 200417428-shaped device, and when the forming device is close to the mandrel and the metal foil raw plate is in contact with the mandrel wire, the metal f is pressed from the raw plate to the mandrel to be positioned. 36. If the method of manufacturing a metal foil tube according to item 34 or 35 of the scope of patent application, Stomach 5, wherein the aforementioned forming step further includes a winding step, the winding step is based on the aforementioned positioning step to bring the aforementioned forming device closer to the The mandrel is held between the recessed portion having a semicircular cross-section formed in the forming device and the mandrel, so that the untreated metal foil is wound φ around the mandrel. 10 37. The method for manufacturing a metal foil tube according to item 36 of the patent application scope, wherein the forming step further includes an overlapping area adjustment step, the overlapping area adjustment step is after the foregoing winding step, so that the metal foil unprocessed sheet is made A part of the circumference is displaced in the radial direction to adjust the overlapping area. 38. For example, the method for manufacturing a metal foil tube according to item 36 or 37 of the scope of application for patent, 15 wherein the aforementioned overlapping area (χ) μπ is equal to the plate thickness (ί) μη, which satisfies x $ 40 + 5t. 39. If the method of manufacturing a metal foil tube according to item 32 or 33 of the patent application scope, wherein the aforementioned welding step is a resistance welding method. 40. The method for manufacturing a metal foil tube according to item 39 of the scope of patent application, wherein the aforementioned resistance welding method is seam welding or flat seam welding. 41. For example, the manufacturing method of a metal foil tube according to item 40 of the scope of patent application, wherein the aforementioned resistance welding uses a pulse power supply and sets the ratio of the energized time to the non-energized time to 1/15 ~ 1/17 for seam welding, or uses Pulse the power supply and set the ratio of the energized time to the non-energized time to 1/3 ~ 1/1 for 80 200417428 flat seam welding. 42. The method for manufacturing a metal foil tube according to any one of claims 32, 33, and 39 to 41, wherein the aforementioned welding step is based on the conductivity provided in a groove formed along the axial direction on the outer surface of the core rod. Current is applied between the fixed electrode member 5 and the conductive movable electrode member provided to face the fixed electrode member. 43. The method for manufacturing a metal foil tube according to item 42 of the application, wherein the fixed electrode member is formed as a part or all of the outer surface to be flat. 10 44. The method of manufacturing a metal foil tube according to item 42 or 43 of the scope of patent application, wherein at least a part of each of the aforementioned fixed electrode member and / or movable electrode member is made of molybdenum or alumina dispersed copper alloy. 45. The method for manufacturing a metal foil tube according to any one of claims 42 to 44 in the scope of the patent application, wherein the 15 hardness of the aforementioned fixed electrode member and / or movable electrode member is substantially the same as the hardness of the aforementioned metal junction raw plate. 46. The method for manufacturing a metal foil tube according to any one of the items 34 to 36 and 42 of the scope of application for a patent, wherein the metal foil tube is peeled from the core rod by ejecting fluid in a radial direction from the core rod and Take off. 47. The manufacturing method of the metal foil tube 20 according to any one of the items 34 to 37 and 42 of the scope of patent application, wherein the aforementioned core rod is composed of a plurality of members, and the aforementioned metal is moved by moving a part in the axial direction. The foil tube was peeled from the mandrel. 48. The method for manufacturing a metal foil tube according to any one of the items 32 to 47 of the scope of application for a patent, wherein the ratio of the thickness of the aforementioned metal foil raw plate to the inner diameter of the metal foil tube 81 200417428 is 1/500 or less. 49. A method for manufacturing a metal foil tube is to place a metal foil tube in the metal foil tube obtained by the method of any one of claims 32 to 48, and then use the extrusion method, the split roll method, The die-casting method, the metal spinning method, or a combination of these methods are cold-worked to reduce the thickness, and smooth the aforementioned welded portion to adjust the shape and surface roughness of the welded portion, and at least make the material of the welded portion. Work hardening. 50. If the method for manufacturing a metal foil tube according to any one of the items 32 to 49 of the scope of application for a patent, it is electroplated at least in the vicinity of the 10 junction of one of the two surfaces of the aforementioned stainless steel, or contains the group 10 to 11 element Alloys containing one or more of these elements, or metals with a melting point below 1200 ° C, and then resistance-welded the foil. 51. If the method for manufacturing a metal foil tube according to any one of the items 32 to 50 of the scope of patent application, the aforementioned metal foil tube composed of the aforementioned stainless steel foil through joining or reshaping 15 is at a temperature of 800 to 1100 ° C. Down heat treatment. 52. If the method for manufacturing a metal foil tube according to any one of claims 32 to 51 is applied, the temperature of the aforementioned metal foil tube composed of the aforementioned stainless steel foil through joining or re-forming processing is 800 to 1100 ° C. After the heat treatment, a hard electric bond is performed on at least one of the inner and outer surfaces of the foregoing foil tube. 20 53. The method for manufacturing a metal foil tube according to item 50 or 52 of the scope of patent application, wherein the composition of the aforementioned hard plating is a Ni-P alloy containing 1 to 14% by weight of P. 54. The method for manufacturing a metal foil tube according to any one of the items 32 to 53 of the scope of patent application, comprising welding the aforementioned metal foil tube, and thereby causing a continuous nugget to exist in the welded portion along the weld line 82 200417428 Or there are intermittent nuggets along the weld line above 50%. 55. A manufacturing device for a metal foil tube, comprising: a forming section for forming a metal foil raw plate 5 having a thickness of 10 to 100 μm into a predetermined shape; and a welding section for welding the aforementioned metal foil Opposite edge of raw board. 56. For example, the manufacturing device for a metal foil tube according to item 55 of the patent application, wherein the aforementioned forming part includes: 10 core rods, whose cross section perpendicular to the axis is circular; the forming device is arranged to be able to approach and away from the aforementioned A mandrel and capable of holding the unprocessed metal box; and a positioning member for pressing the metal foil when the forming device is close to the mandrel and the unprocessed metal foil is in contact with the mandrel wire. The processing plate is positioned on the core rod, and the manufacturing device of the metal foil tube moves the forming device to bring the positioned metal foil unprocessed plate closer to the core rod, so that the metal foil unprocessed plate is in advance A U-shape is curled around the core rod. 57. For example, the manufacturing device for a metal foil tube according to item 56 of the patent application, wherein 20 the aforementioned forming device includes: a holding plate, which is arranged to be close to and away from the core while maintaining a parallel state with the core rod, and There are recesses between the rods for winding the aforementioned metal foil raw plate into a U-shaped semi-circular cross-section; the first pressing member is used to press the U-shaped metal foil without adding one of the 20042004428 work plates It is in close contact with the outer periphery of the mandrel; and a second pressing member is used to press the other piece of the U-shaped metal foil raw plate on the outer periphery of the mandrel, and the forming device is wound after the winding, The opposite end portions of the metal fl unprocessed plate 5 are overlapped to form overlapping portions. '58. For a manufacturing device of a metal foil tube according to the scope of application for patent No. 56 or 57, wherein the forming part further has an overlapping area adjustment mechanism, and the overlapping area adjustment mechanism is used to complete the pressing of the second pressing member φ Previously, a part of the circumference of the aforementioned metal foil raw plate was displaced in the radial direction 10 so that the areas where the opposite sides overlap each other were a predetermined value. 59. The device for manufacturing a metal foil tube according to item 58 of the application, wherein the overlapping area adjustment mechanism is composed of an eccentric device provided inside the core rod. 60. For the manufacturing device of metal foil tube according to item 58 of the scope of patent application, wherein the aforementioned overlapping area adjustment mechanism is composed of an eccentric device provided outside the aforementioned core rod. Lu 61. The device for manufacturing a metal foil tube according to Item 58 of the scope of the patent application, wherein the overlapping area adjustment mechanism presses the metal foil raw plate by a pressing member and does not adhere to the non-adhered portion of the core rod. 20 62. The apparatus for manufacturing a metal foil tube according to item 58 of the scope of patent application, wherein the overlapping area adjustment mechanism is formed by inserting a pressing member provided outside the core rod into a recess formed in the core rod. 63. The device for manufacturing a metal foil tube as claimed in item 61 or 62, wherein the aforementioned pressing member is one of 84 200417428 of a cam, a roller, a cylindrical body or a rod-shaped member, and is provided on the aforementioned core Both ends of the rod in the axial direction move individually. 64. For example, the manufacturing device of a metal foil tube according to item 57 or 58 of the patent application scope, wherein the aforementioned overlapping area (χ) μιη meets X 5 $ 40 + 5t when the aforementioned plate thickness (ΐ) μτη. 65. The apparatus for manufacturing a metal foil tube according to item 55 of the application, wherein the aforementioned welding portion is a resistance welding portion. 66. The device for manufacturing a metal foil tube according to item 55 of the patent application, wherein the welding portion includes a guide provided along the axial direction on the outer surface of the core rod, and an electrically fixed electrode member and a conductive body opposed to the fixed electrode member. The movable electrode member is welded while the two electrode members are held in a state of holding the overlapped portion of the metal foil raw plate. 67. For example, a metal foil tube manufacturing device according to item 66 of the patent application, wherein the fixed electrode member is formed as a part or all of the outer surface is flat 15 surfaces. The device, wherein the movable electrode member is an electrode wheel that is energized while pressurizing the overlap portion. 69. The device for manufacturing a metal foil tube according to any one of items 66 to 68 of the scope of application for a patent, wherein at least a part of the fixed electrode member and / or the movable electrode member is respectively composed of molybdenum or alumina-dispersed copper alloy. 70. The apparatus for manufacturing a metal foil tube according to any one of items 66 to 68 of the scope of patent application, wherein the hardness of the aforementioned fixed electrode member and / or movable electrode member is substantially the same as that of the aforementioned metal foil unprocessed plate. 85 200417428 71. The apparatus for manufacturing a metal foil tube according to any one of items 56, 57 and 66 of the scope of patent application, wherein the metal foil tube is connected with the core rod by ejecting fluid from the core rod in a radial direction. Peel to remove it. 72. The metal foil tube '5 manufacturing device according to any one of claims 56, 57 and 66 of the scope of patent application, wherein the aforementioned core rod has a fluid passage, and the fluid passage is used to spray out the metal foil after welding The tube peels off the fluid from the mandrel. 73. The apparatus for manufacturing a metal foil tube according to any one of claims 56, 57 and 66 of the scope of application for a patent, wherein the core rod has a notch on the outer peripheral surface so that the φ metal foil raw plate cannot adhere to the core rod. 10 74. The metal foil tube manufacturing device according to any one of claims 56, 57 and 66 of the scope of patent application, wherein the aforementioned core rod is composed of a plurality of members, and by moving a part of the core rod in the axial direction, it is possible to The metal foil tube was peeled from the core rod. 75. The device for manufacturing a metal foil tube according to any one of items 56 to 74 of the scope of application for a patent, wherein the ratio of the thickness of the metal foil unprocessed sheet to the inner diameter of the metal foil tube is 1/500 or less. Zhao 76. — A metal foil tube using a metal foil tube manufacturing method such as any one of the patent application scope items 32 to 54 and a metal foil tube manufacturing apparatus such as any one of the patent application scope scope 55 to 75 Made by. 86