WO2015111464A1 - 管の製造方法及び管 - Google Patents
管の製造方法及び管 Download PDFInfo
- Publication number
- WO2015111464A1 WO2015111464A1 PCT/JP2015/050674 JP2015050674W WO2015111464A1 WO 2015111464 A1 WO2015111464 A1 WO 2015111464A1 JP 2015050674 W JP2015050674 W JP 2015050674W WO 2015111464 A1 WO2015111464 A1 WO 2015111464A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube
- main body
- holes
- pipe
- hole
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/28—Seam welding of curved planar seams
- B23K26/282—Seam welding of curved planar seams of tube sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/02—Welded joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/02—Welded joints
- F16L13/0245—Welded joints with holes in the sleeve or spigot being filled with weld
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Definitions
- the present invention relates to a pipe manufacturing method for manufacturing a pipe in which a plurality of holes along the longitudinal direction are formed, and a pipe manufactured by the pipe manufacturing method.
- a method of manufacturing a tube having a hole along the longitudinal direction formed therein for example, a method of cutting a hole in a rod-shaped member with a tool such as a drill can be considered.
- a tool such as a drill
- the length of the rod-shaped member is long and the hole to be formed has a small diameter, a thin and long drill will be used, and when the drill rotates, the tip will swing around, and a highly accurate hole will be processed. It becomes difficult. Therefore, it is possible to manufacture a tube having a predetermined length in which a hole is formed by cutting a hole in a rod-shaped member shorter than a predetermined length and joining the rod-shaped member in which the hole is formed in series. it can.
- the first fitting part of the column backing metal is fitted and fixed to the upper end part of the lower column, and the upper part is fitted to the second fitting part of the column backing metal.
- the lower end of the column is externally fitted and fixed, and the upper and lower columns are brought into contact with each other via a column backing metal, and then the ends of the columns are welded to each other.
- This invention solves the subject mentioned above, and provides the manufacturing method of a pipe
- a method for manufacturing a pipe of the present invention is a method for manufacturing a pipe in which a first pipe body having a plurality of holes and a second pipe body having a plurality of holes are connected in series. Then, one end of the connection pin is inserted into the end of the hole of the first tube body, and the other end of the connection pin is inserted into the end of the hole of the second tube body.
- connection pin remaining in the hole of the first pipe body and the hole of the second pipe body is connected to the hole of the first pipe body and the second pipe body. It is characterized in that it is cut to the same diameter as the hole.
- connection pin remaining in the hole can be easily removed, and the connection pin is cut to the same diameter as the hole to obtain a predetermined value. Holes with high length accuracy can be formed.
- the first pipe main body and the second pipe main body are formed with fitting holes larger than the inner diameter of the holes at the end portions of the holes, while the connection pins are A pair of insertion portions inserted into the respective holes of the first tube body and the second tube body, and the first tube body and the second tube body between the pair of insertion portions.
- a fitting portion that fits into each fitting hole is provided.
- connection pin is inserted into the hole of each pipe body, and the fitting part is fitted into each fitting hole of each pipe body, so that the connection pin is inserted into each pipe body by an appropriate amount. It becomes possible, and each pipe main body in which the connecting pin is arranged can be appropriately welded from the outer peripheral portion.
- the weld width at the connecting portion between the first pipe main body and the second pipe main body is set to be larger than the length of the fitting portion at the connection pin. Yes.
- the connecting pin can ensure the sealing performance because all the fitting portions are melted portions.
- connection pin is formed solid.
- connection pin solid, it is possible to prevent melting deformation of each hole during welding.
- the first pipe main body and the second pipe main body are formed with a plurality of outer peripheral holes at predetermined intervals in the circumferential direction on the outer peripheral side, and the first pipe main body and the second pipe main body After welding the outer peripheral part of the connecting part of the second pipe main body and the inner peripheral part of the outer peripheral hole into which the connection pin is inserted, the central parts of the first pipe main body and the second pipe main body The center hole is formed by cutting the material to the melted part.
- a first tube body having a plurality of holes and a second tube body having a plurality of holes are connected in series, and the first tube body and the second tube A melting part is provided over the whole area in the connection part with the main body.
- connection pin is inserted into the end of the hole in the first pipe body, and the other end is inserted into the end of the hole in the second pipe body. Since the pipe is manufactured by welding the outer peripheral part of the connecting part of each pipe body and the inner peripheral part of the hole into which the connection pin is inserted over the entire circumference, and removing the connection pin remaining inside the hole, It is possible to provide a tube having a predetermined length that can ensure high sealing performance between the plurality of holes provided.
- FIG. 1 is a schematic configuration diagram showing a pipe manufacturing apparatus according to this embodiment.
- FIG. 2 is a front view in which a part of the tube of the present embodiment is cut away.
- FIG. 3 is a cross-sectional view of the tube.
- FIG. 4 is a schematic view showing a method for manufacturing the tube of the present embodiment.
- FIG. 5 is a schematic view showing a method for manufacturing the tube of the present embodiment.
- 6 is a cross-sectional view taken along the line VI-VI in FIG.
- FIG. 7 is a schematic view showing the method for manufacturing the tube of the present embodiment.
- 8 is a cross-sectional view taken along the line VIII-VIII in FIG.
- FIG. 9 is a schematic view showing a method for manufacturing the tube of the present embodiment.
- FIG. 10 is a schematic view showing a method for manufacturing the tube of this embodiment.
- 11 is a cross-sectional view taken along the line XI-XI in FIG.
- FIG. 1 is a schematic configuration diagram showing a pipe manufacturing apparatus according to this embodiment.
- the pipe P is supported by a support base (not shown) and is rotatably supported by the rotation drive unit 11 in the direction of the arrow.
- a laser welding head 12 is disposed above the tube P, and the laser welding head 12 has an optical system 13 and a gas nozzle 14.
- the laser welding head 12 is connected to a laser transmitter 16 via an optical fiber 15.
- a cooling nozzle 17 is arranged above the pipe P along with the laser welding head 12.
- the shield gas supply unit 18 is connected to the laser welding head 12 by a first pipe 19 and is connected to the cooling nozzle 17 by a second pipe 20 branched from the middle.
- the laser welding head 12 and the cooling nozzle 17 are arranged at the target position with respect to the vertical line O passing through the center of the pipe P.
- the sensor 21 detects the rotational speed and rotational position of the pipe P, and the control device 22 is based on the rotational speed and rotational position of the pipe P detected by the sensor 21, the rotation drive unit 11, the laser transmitter 16, The shield gas supply unit 18 is controlled.
- the laser welding head 12 condenses the laser beam transmitted through the optical fiber 15 by the optical system 13 and a butt portion of the tube P as a laser beam.
- a shielding gas for preventing oxidation of the welded portion (melted portion) is injected from the gas nozzle 14.
- the cooling nozzle 17 injects shielding gas and cools a welding part.
- the tube manufacturing method of this embodiment is to manufacture a tube in which a plurality of holes along the longitudinal direction are formed using this tube manufacturing apparatus.
- FIG. 2 is a front view in which a part of the pipe of the present embodiment is cut out
- FIG. 3 is a cross-sectional view of the pipe.
- the pipe P includes a first pipe body 100 having a plurality of (in this embodiment, nine) holes 101 and 102, and a plurality of (in this embodiment, nine) holes 201,
- the second pipe body 200 having 202 is connected in series, and the holes 101 and 102 and the holes 201 and 202 are concentrically connected to each other, and the first pipe body 100 and the second pipe body 200 are connected to each other.
- a melted portion (welded portion) W is provided in the entire connecting portion.
- the melted portion is a welded portion and is a region solidified after the base material is melted.
- the first holes (outer peripheral holes) 101 and 201 are small-diameter holes that are located at the same distance from the center O of the tube main bodies 100 and 200 and that are located at equal intervals in the circumferential direction.
- the second holes (center holes) 102 and 202 are larger in diameter than the first holes 101 and 201 located at the center O of the tube main bodies 100 and 200.
- FIG. 4 is a schematic view showing a method for manufacturing the pipe of the present embodiment
- FIG. 5 is a schematic view showing a method for manufacturing the pipe of the present embodiment
- FIG. 6 is a sectional view taken along the line VI-VI in FIG.
- FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG. 7
- FIG. 9 is a schematic diagram illustrating the method of manufacturing the tube of the present embodiment
- FIG. FIG. 11 is a cross-sectional view taken along the line XI-XI of FIG. 10.
- the method for manufacturing a tube according to the present embodiment is a method for manufacturing a tube in which a first tube main body 100 having a plurality of holes 101 and a second tube main body 200 having a plurality of holes 201 are connected in series.
- One end of the pin 300 is inserted into the end of the hole 101 of the first tube main body 100, and the other end of the connection pin 300 is inserted into the end of the hole 201 of the second tube main body 200, whereby the first A step of positioning and connecting the tube main body 100 and the second tube main body 200, and an outer peripheral portion of the connecting portion of the first tube main body 100 and the second tube main body 200 and the holes 101 and 201 into which the connection pins 300 are inserted.
- the first tube main body 100 has a plurality of first holes 101 and a fitting hole 103 larger than the inner diameter of the first hole 101 at the end on the connecting side.
- the fitting hole 103 has a disk shape, communicates with the first hole 101, and opens on the end surface 104 on the connection side in the first pipe body 100.
- the second tube main body 200 has a plurality of first holes 201 and a fitting hole 203 larger than the inner diameter of the first hole 201 at the connecting end.
- the fitting hole 203 has a disk shape, communicates with the first hole 201, and opens on the end surface 204 on the connection side in the second pipe body 200.
- the first hole 101 and the fitting hole 103 in the first tube main body 100 have the same dimensions as the first hole 201 and the fitting hole 203 in the second tube main body 200.
- the first tube main body 100 is formed with a convex portion 105 having a cylindrical shape on the end face 104 on the center side from each first hole 101.
- a concave portion 205 having a cylindrical shape is formed on the end surface 204 on the center side from each first hole 201.
- connection pin 300 is a solid, first insertion portion 301 that can be inserted into the first hole 101 of the first tube body 100 and a second insertion that can be inserted into the first hole 201 of the second tube body 200. Part 302 is provided. Further, the connection pin 300 has a fitting portion 303 that fits into the fitting holes 103 and 203 of the pipe main bodies 100 and 200 between the pair of insertion portions 301 and 302, respectively. The fitting portion 303 has a width that matches the depth of the fitting holes 103 and 203.
- the first insertion portion 301 of the connection pin 300 is inserted into the end portion of the first hole 101 of the first tube main body 100, and a part of the fitting portion 303 is inserted into the first portion. 1 is inserted into the fitting hole 103 of the tube main body 100.
- the second insertion portion 302 of the connection pin 300 is inserted into the end portion of the first hole 201 of the second tube main body 200, and a part of the fitting portion 303 is inserted into the fitting hole of the second tube main body 200. Insert into 203.
- the connection pins 300 are inserted into all the first holes 101 and 201 in the first tube body 100 and the second tube body 200.
- the convex portion 105 of the first tube main body 100 and the concave portion 205 of the second tube main body 200 are fitted. Therefore, the first tube main body 100 and the second tube main body 200 are arranged in the circumferential direction and the radial direction so that the end faces 104 and 204 are in close contact with each other without a gap and the first holes 101 and 201 are concentrically communicated with each other. Are positioned and connected.
- the first pipe body 100 and the second pipe body 200 are welded and connected using a pipe manufacturing apparatus. That is, the tube P is rotated by the rotation drive unit 11, and in this state, the laser welding head 12 irradiates the connecting portion of the tube P with a laser beam, whereby the tube P is welded all around.
- the laser welding head 12 has a laser beam with respect to a connecting portion in which the end surface 104 of the first tube main body 100 and the end surface 204 of the second tube main body 200 are closely adhered. B is irradiated.
- the irradiation width of the laser beam B by the laser welding head 12 that is, the welding width at the connecting portion between the first tube main body 100 and the second tube main body 200 is larger than the length of the fitting portion 303 in the connection pin 300. Set larger.
- the laser welding head 12 emits the laser beam B from the outer peripheral portion of the connecting portion of the first tube main body 100 and the second tube main body 200 to the center side from the position where the plurality of first holes 101 and 201 are formed. Irradiate. Therefore, the irradiation depth of the laser beam B by the laser welding head 12 is not less than the position where the plurality of first holes 101, 201 are formed from the outer peripheral surface of each of the tube main bodies 100, 200.
- the inner peripheral portions of the first holes 101 and 201 into which the connection pins 300 in the second pipe body 200 are inserted can be welded over the entire circumference.
- the connecting portion between the first tube main body 100 and the second tube main body 200 is melted together with the fitting portion 303 of the connection pin 300, and the outer zone of the convex portion 105 becomes a welded portion (melting portion) W.
- connection pins 300 remaining inside the first hole 101 of the first tube body 100 and the first hole 201 of the second tube body 200 are removed.
- a cutting tool (not shown) is inserted using the first holes 101 and 201 as guides and moved in the longitudinal direction, whereby the connection pins 300 remaining in the first holes 101 and 201 are connected to the first holes 101 and 201, respectively. Cutting to the same diameter as the holes 101 and 201. That is, for example, by inserting the cutting tool from the first hole 101 to the first hole 201, not only the internal connection pin 300 but also the welded portion W in which the connection pin 300 is melted and solidified is cut.
- the second holes 102 and 202 are cut in the center portions of the pipe main bodies 100 and 200.
- the convex part 105 of the first pipe main body 100 and the concave part 205 of the second pipe main body 200 are removed.
- the first pipe body 100 having a plurality of first holes 101 and 102 and the second pipe body 200 having a plurality of holes 201 and 202 are connected in series.
- the holes 101 and 102 and the holes 201 and 202 are concentrically connected to each other, and a welded portion (melting portion) W is provided over the entire area at the connection portion between the first tube main body 100 and the second tube main body 200.
- Tube P is manufactured.
- the first insertion portion 301 of the connection pin 300 is inserted into the end portion of the first hole 101 of the first tube body 100 and the second insertion portion 302 is inserted.
- the first hole 101, 201 is welded over the entire circumference.
- a melting portion a high sealing performance can be ensured, and the connection pins 300 remaining in the first holes 101 and 201 of the tube main bodies 100 and 200 are removed, so that a pipe having a predetermined length can be obtained. P can be easily manufactured.
- connection pins 300 remaining in the first hole 101 of the first pipe main body 100 and the first hole 201 of the second pipe main body 200 are connected to the first pipe main body 100. Cutting is performed to the same diameter as the first hole 101 and the first hole 201 of the second pipe body 200. Therefore, by using the first holes 101 and 201 of the tube main bodies 100 and 200 as guides, the connection pins 300 remaining inside the first holes 101 and 201 can be easily removed. Is cut into the same diameter as the first holes 101 and 201, so that the first holes 101 and 201 having a predetermined length and high accuracy can be formed.
- the first pipe main body 100 and the second pipe main body 200 are fitted with fitting holes 103 larger than the inner diameters of the first holes 101 and 201 at the ends of the first holes 101 and 201, respectively.
- , 203 are formed, and the connection pin 300 includes a pair of insertion portions 301, 302 inserted into the first holes 101, 201 of the first tube main body 100 and the second tube main body 200, and a pair of insertions.
- a fitting portion 303 that fits into the fitting holes 103 and 203 of the pipe main bodies 100 and 200 is provided between the portions 301 and 302.
- connection pin 300 is inserted into the first holes 101 and 201 of the pipe main bodies 100 and 200, respectively, and the fitting portion 303 is inserted into the fitting holes 103 and 203 of the pipe main bodies 100 and 200, respectively. Since the fitting is performed, the connection pins 300 can be inserted into the pipe main bodies 100 and 200 by an appropriate amount, and the pipe main bodies 100 and 200 in which the connection pins 300 are arranged are appropriately inserted from the outer periphery. Can be welded.
- the welding width at the connecting portion between the first pipe main body 100 and the second pipe main body 200 is set larger than the length of the fitting portion 303 in the connection pin 300. Therefore, the connection pin 300 can ensure the sealing performance by being a melting part where the fitting part 303 is all melted and solidified again.
- connection pins 300 are formed solid. Accordingly, it is possible to prevent melting and deformation of the first holes 101 and 201 during welding.
- the first pipe main body 100 and the second pipe main body 200 are formed with a plurality of first holes 101, 201 at predetermined intervals in the circumferential direction on the outer peripheral side.
- the first tube body 100 and the second tube body are formed by cutting the central portions of the first tube body 100 and the second tube body 200 to the welded portion W to form the second holes 102 and 202.
- the connecting portion of the main body 200 becomes a welded portion W that is melted and solidified, and can secure sealing performance.
- the first tube main body 100 having a plurality of holes 101 and 102 and the second tube main body 200 having a plurality of holes 201 and 202 are connected in series, A welded portion W is provided over the entire area at the connection portion between the first tube body 100 and the second tube body 200. Therefore, a predetermined length can be ensured and high sealing performance can be ensured between the plurality of holes 101, 102, 201, 202 provided inside.
- the pipe P is manufactured by forming the second holes 102 and 202 in the center after connecting the pipe main bodies 100 and 200 having the plurality of first holes 101 and 201.
- the pipe P may be manufactured by connecting the pipe bodies 100 and 200 having the first holes 101 and 201 and the second holes 102 and 202 in the center.
- the first pipe body 100 having the plurality of holes 101 and 102 and the second pipe body 200 having the plurality of holes 201 and 202 are connected in series.
- the third pipe body having a plurality of holes may be connected in series, and the number of pipes to be connected may be any number.
- the method of manufacturing the pipe P by connecting the pipe main bodies 100 and 200 having the plurality of first holes 101 and 201 has been described.
- the pipe main bodies 100 and 200 are limited to this shape. It is not something.
- the pipe P may be manufactured by connecting two pipe bodies formed at positions where holes having the same diameter or different diameters are not the center.
- connection pins 300 are inserted and connected to the first holes 101 and 201 of the first tube main body 100 and the second tube main body 200, and the first tube main body 100 and the second tube main body 100 are connected.
- the outer peripheral part of the connecting part of the pipe body 200 and the inner peripheral part of each of the first holes 101 and 201 into which the connection pins 300 are inserted are melted and connected, it is not necessary to insert the connection pins into all the holes. And the hole which does not insert a connection pin does not need to fuse
- connection pin 300 is configured by the insertion portions 301 and 302 and the fitting portion 303, but only the insertion portion may be used.
- the laser beam welding method is used as a connection method between the first tube main body 100 and the second tube main body 200, but the present invention is not limited to this method.
- an electron beam welding method a YAG laser welding method, a friction stir welding method, or the like may be used.
Abstract
Description
101 第1孔(外周孔)
102 第2孔(中心孔)
103 嵌合孔
104 端面
105 凸部
200 第2の管本体
201 第2孔(外周孔)
202 第2孔(中心孔)
203 嵌合孔
204 端面
205 凹部
300 接続ピン
301 第1挿入部
302 第2挿入部
303 嵌合部
P 管
Claims (7)
- 複数の孔を有する第1の管本体と複数の孔を有する第2の管本体とを直列に接続する管の製造方法であって、
接続ピンの一端部を前記第1の管本体の孔の端部に挿入して前記接続ピンの他端部を前記第2の管本体の孔の端部に挿入することで前記第1の管本体と前記第2の管本体とを位置決め連結する工程と、
前記第1の管本体と前記第2の管本体の連結部の外周部及び前記接続ピンが挿入された前記孔の内周部を全周にわたって溶接する工程と、
前記第1の管本体の孔と前記第2の管本体の孔の内部に残存する前記接続ピンを除去する工程と、
を有することを特徴とする管の製造方法。 - 前記第1の管本体の孔と前記第2の管本体の孔の内部に残存する前記接続ピンを前記第1の管本体の孔及び前記第2の管本体の孔と同径寸法に切削加工することを特徴とする請求項1に記載の管の製造方法。
- 前記第1の管本体及び前記第2の管本体は、前記各孔の端部に前記孔の内径より大きい嵌合孔が形成される一方、前記接続ピンは、前記第1の管本体及び前記第2の管本体の前記各孔に挿入される一対の挿入部と、前記一対の挿入部の間で前記第1の管本体及び前記第2の管本体の各嵌合孔に嵌合する嵌合部が設けられることを特徴とする請求項1または請求項2に記載の管の製造方法。
- 前記第1の管本体と前記第2の管本体の連結部における溶接幅は、前記接続ピンにおける前記嵌合部の長さよりも大きく設定されることを特徴とする請求項3に記載の管の製造方法。
- 前記接続ピンは、中実に形成されることを特徴とする請求項1から請求項4のいずれか一項に記載の管の製造方法。
- 前記第1の管本体及び前記第2の管本体は、外周部側に周方向に所定間隔で複数の外周孔が形成され、前記第1の管本体と前記第2の管本体の連結部の外周部及び前記接続ピンが挿入された前記外周孔の内周部を全周にわたって溶接した後、前記第1の管本体及び前記第2の管本体の中心部を被溶融部まで切削加工することで中心孔を形成することを特徴とする請求項1から請求項5のいずれか一項に記載の管の製造方法。
- 複数の孔を有する第1の管本体と複数の孔を有する第2の管本体とが直列に接続されると共に、前記第1の管本体と前記第2の管本体との接続部に全域にわたって溶融部が設けられることを特徴とする管。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112015000487.4T DE112015000487T5 (de) | 2014-01-23 | 2015-01-13 | Verfahren zur Herstellung eines Rohres, und Rohr |
KR1020187022828A KR101986969B1 (ko) | 2014-01-23 | 2015-01-13 | 관 제조방법 및 관 |
KR1020167020046A KR20160102280A (ko) | 2014-01-23 | 2015-01-13 | 관 제조방법 및 관 |
US15/111,965 US10307865B2 (en) | 2014-01-23 | 2015-01-13 | Method of manufacturing tube, and tube |
CN201580005555.8A CN105934306B (zh) | 2014-01-23 | 2015-01-13 | 管的制造方法及管 |
US16/387,945 US10710199B2 (en) | 2014-01-23 | 2019-04-18 | Method of manufacturing tube, and tube |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2014-010717 | 2014-01-23 | ||
JP2014010717A JP6225037B2 (ja) | 2014-01-23 | 2014-01-23 | 管の製造方法及び管 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US15/111,965 A-371-Of-International US10307865B2 (en) | 2014-01-23 | 2015-01-13 | Method of manufacturing tube, and tube |
US16/387,945 Division US10710199B2 (en) | 2014-01-23 | 2019-04-18 | Method of manufacturing tube, and tube |
Publications (1)
Publication Number | Publication Date |
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WO2015111464A1 true WO2015111464A1 (ja) | 2015-07-30 |
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Family Applications (1)
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PCT/JP2015/050674 WO2015111464A1 (ja) | 2014-01-23 | 2015-01-13 | 管の製造方法及び管 |
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US (2) | US10307865B2 (ja) |
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US10792748B2 (en) * | 2016-10-07 | 2020-10-06 | Mayekawa Mfg. Co., Ltd. | Welding device |
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JP2004034060A (ja) * | 2002-07-01 | 2004-02-05 | Jfe Steel Kk | テイラードチューブおよびその製造方法 |
JP2004042049A (ja) * | 2002-07-08 | 2004-02-12 | Sumitomo Light Metal Ind Ltd | 流体圧成形管の製造方法 |
WO2012007326A2 (de) * | 2010-07-15 | 2012-01-19 | Robert Bosch Gmbh | Bauelement für ein einspritzventil mit zwei verbundenen bauteilen |
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JP6225037B2 (ja) | 2017-11-01 |
CN105934306A (zh) | 2016-09-07 |
DE112015000487T5 (de) | 2016-11-10 |
KR20180094120A (ko) | 2018-08-22 |
KR20160102280A (ko) | 2016-08-29 |
US10710199B2 (en) | 2020-07-14 |
US10307865B2 (en) | 2019-06-04 |
JP2015136727A (ja) | 2015-07-30 |
US20160332258A1 (en) | 2016-11-17 |
CN105934306B (zh) | 2017-09-22 |
KR101986969B1 (ko) | 2019-06-07 |
US20190240779A1 (en) | 2019-08-08 |
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