WO2009131253A1 - Procédé d'usinage plastique à grande vitesse de composant métallique - Google Patents

Procédé d'usinage plastique à grande vitesse de composant métallique Download PDF

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Publication number
WO2009131253A1
WO2009131253A1 PCT/JP2009/058600 JP2009058600W WO2009131253A1 WO 2009131253 A1 WO2009131253 A1 WO 2009131253A1 JP 2009058600 W JP2009058600 W JP 2009058600W WO 2009131253 A1 WO2009131253 A1 WO 2009131253A1
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WIPO (PCT)
Prior art keywords
metal
speed
plastic working
mold
loss
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Application number
PCT/JP2009/058600
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English (en)
Japanese (ja)
Inventor
尾崎康幸
Original Assignee
木村洋一
渡辺崇記
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Application filed by 木村洋一, 渡辺崇記 filed Critical 木村洋一
Priority to JP2010509258A priority Critical patent/JP5764325B2/ja
Publication of WO2009131253A1 publication Critical patent/WO2009131253A1/fr

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Classifications

    • 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
    • F16L43/00—Bends; Siphons
    • F16L43/001—Bends; Siphons made of metal

Definitions

  • the present invention relates to metal pipe joints for pressure piping and related metal parts technology, and more particularly to plastic working of metal parts for which precision decoration is required.
  • Patent references 1 and 2 describe in the technical field.
  • Patent # ⁇ 1 Japanese Patent No. 3 5 9 6 8 0 4
  • Patent 3 ⁇ 412 describes a technique for improving a metal material to be processed used for the metal part.
  • FIG. 12 (a) to (c) Breaking cracks as shown in Fig. 1 3 (a) (b) as shown in Fig. 3 or as a special note Reference: 3 ⁇ 4 l paragraphs 0 0 0 5 to 0 0 14 I was concerned about a serious accident that might have been caused by the above-mentioned trait defect in the hollow pipe.
  • the above metal parts are usually wound on a seated joint as shown in Figs. 10 (a) to (e) by 5 1 primary thread.
  • Group 1 Carcinogenic to humans.
  • Group 2 A Probably human carcinogenic.
  • Group 2 B Carcinogenicity to humans is suspected (Possibly).
  • metal materials provide services during use: SU, environmental load from collection of metal resources to production BP, environmental load BU during use, environmental load BE of waste treatment, deduction by recycling BR (1) High material-efficiency materials that increase SU and decrease BU
  • the present invention provides a plastic working method for forming a metal part free from the above-mentioned trait defects, a method for producing a metal part using the plastic working method, a mold used for the implementation, a processing machine, and the like.
  • An object of the present invention is to provide a metal part and an m3 ⁇ 4 body manufactured using the above-mentioned, and to contribute to a reduction in environmental load over the entire life cycle of the metal part and lat body.
  • the metal material is a crystal structure in which metal atoms that are thermally oscillated at the bottom of the potential well of the free electron cloud, which are not bound by atoms, are connected by a bond branch, and the stress wave is transmitted to the adjacent atom via the bond branch. Propagate.
  • the speed of plastic working by pressing a workpiece metal with a tool is faster than the propagation speed of plastic metal ( ⁇ force wave) of the workpiece metal
  • plastic working speed is faster than the propagation speed of plastic metal ( ⁇ force wave) of the workpiece metal
  • the stress in the region is canceled out by 0 shrinkage + tension according to the wave superposition principle).
  • the edge is constrained and processed, the compressive stress wave is incident and the compressive stress wave is reflected, and the area where the incident wave and the reflected wave overlap is twice as large (with compression + compression).
  • trace impurities in the metal material and the non-metallic inclusions prevent the smooth movement of dislocations, form a clinch zone of dislocations, increase internal strain stress energy ⁇ ", and reduce the material shape and conductivity.
  • the above-mentioned metal material to be processed should be made of a soft and highly conductive metal material with as few trace impurities and intentional alloying components as possible.
  • Claim 1 is a plastic part forming method for forming a metal part that is free from defects such as burrs, sagging, fracture cracking, and residual strain stress by machining using the workpiece metal material.
  • the plastic working method of the metal part is a plastic that forms a metal part free from the above-mentioned trait defect by cold caloe without modifying the Caloe device for machining the metal material to be processed and without intentional preheating treatment.
  • the plastic working method is a method of pressing at least the work metal material with a tool harder than the work metal material and plastic working the work metal material.
  • Measures and manages the characteristics related to the index sets a guideline for the plastic working speed by referring to the characteristics, restrains and fixes at least one end in the vicinity of the processing location of the metal material, and strains associated with processing at the processing location Deformation speed
  • the strain deformation heat generation of the processing part is suppressed by the tool that reduces the plastic wave propagation speed of the Karoe area by suppressing the application, or by the tool that suppresses the frictional heat generation associated with the processing of the processing area, or Using a tool with two or more functions, based on the guideline, the plastic working speed is increased beyond the propagation speed of the plastic wave of the workpiece metal itself, and the plastic working is completed before the work site is age hardened.
  • Claim 2 provides a metal part manufactured using the high-speed plastic working method according to claim 1.
  • a manufacturing method comprising: preparing the tool according to claim 1 and a mold including the tool; and attaching the mold to a processing machine that drives the mold under pressure;
  • a mold for use in the manufacturing method according to the second aspect wherein the mold is driven by pressure by a processing machine and reciprocates between upper and lower dead centers; and A pair of upper and lower press dies comprising a lower mold fixing part that cooperates with an upper mold movable part and plastically processes a workpiece carried into the mold, and the press mold includes at least the upper mold A tool that pressurizes and plastically processes a workpiece on the movable part, a gripping part that grips the tool, an auxiliary part that transports the workpiece as necessary and restrains and fixes it at a desired position, and holds each part with high accuracy Oka (A high-efficiency material mold that has a lower density, a higher specific rigidity, and a higher specific heat than other types of gold in at least some of the components of the upper mold movable part in a press die having a J-type holding part.
  • a high-efficiency material mold that has a lower density, a higher specific rigidity, and a higher specific heat than other types of gold in at least some
  • a harmful substance-free mold member that has a low density, a large specific rigidity, and a large specific heat in comparison with a hard member, and does not contain a harmful rare rare metal
  • at least a part of the constituent members of the auxiliary part includes The high A vibration-absorbing member having a small vibration loss coefficient is selected and used from among the quality-efficient members, and the area of the portion where the auxiliary portion restrains and fixes the workpiece is increased as much as possible, and the assisting portion is The presser force for restraining and fixing the work material is made as small as possible, and the tip of the tool that comes into contact with the work material during the plastic working by the tool of the mold is set to the contact pressure area of the tip.
  • Is the first means to make the tool shape gradually increase ( timing) force, second means to finish at least a part of the contact pressure surface of the tool into a mirror surface with a small surface roughness,
  • the wear-resistant lubricating thermal insulation film is applied to the surface of the tool that has been surface-finished.
  • the high-speed plastic processing according to claim 1 is possible by reducing the environmental load caused by consumption, harmful contamination, each loss, and vibration, and at the same time increasing the plastic processing speed by a part of each loss reduction.
  • the manufacturing method according to claim 2 characterized in that It is a press mold you are.
  • Claim 4 is a Karoe machine used in the manufacturing method according to claim 2, wherein the processing machine presses and drives a pair of upper and lower molds attached to the processing machine, A saddle processing machine that mass-produces metal parts formed by pressing and plastically processing a workpiece to be processed with a tool included in the mold, and the saddle processing machine fixes the lower mold of the mold. Fixing part to attach the part of the mold 8600
  • a fifth aspect of the present invention is a method of manufacturing a metal part according to the second aspect, wherein the manufacturing method includes the metal working according to the second aspect, the mold according to the third aspect, and the calorie according to the fourth aspect.
  • a manufacturing method that uses either or both of the lathes of an industrial machine, the manufacturing method comprising a long recyclable metal material that has been deliberately strengthened by deoxidizing a molten metal during the plastic working.
  • a highly recyclable shaped material that has been rolled, drawn, or extruded into a material to be processed, and suppressing the internal residual strain stress of the material to be processed according to claim 2.
  • Measurement and management of the workpiece material is performed to establish a guideline for the plastic working speed, and based on the guideline, at least a part of the outer shape of the metal part is transferred to the high-speed plastic working ability of the mold and the processing machine.
  • the production E The environmental load according to claim 2 in the process and the environmental load throughout the entire life cycle of the workpiece to be processed are reduced, and the mold is claimed at the time of manufacture and use of the processing machine. 3.
  • the method for producing a metal part according to claim 2 wherein the burden on either or both of claims 4 and 4 is reduced, and the total environmental load of the i process is reduced. [0 0 2 2]
  • Claim 6 is a metal part having no trait defect used for connection of a pressure piping circuit, and the metal part is a high-speed plastic working method according to claim 1, and a manufacturing method according to claim 2.
  • the harmful material-free mold material that has been eliminated, rolled, drawn, or extruded into a hazardous material-free shaped material is used as the work material, and the internal residual strain stress of the work material according to claim 5 is reduced.
  • a measure of restraining removal and plastic working speed is set, and at least a part of the outer shape of the metal part is constrained and fixed based on the guide, and at least a part in the vicinity of the processed part of the workpiece is constrained and fixed.
  • a mirror-like processed product free of the above-mentioned trait defects is formed by any one or more of the following, and then, at least a part of the surface of the processed product is a protective film that does not contain any harmful components, or the harmful components
  • a metal part is manufactured by coating any one of the protective films excluding the inevitable component ratio or less, and the environment according to any one of claims 1, 2, and 5 in the manufacturing process.
  • the environmental load of the metal part is reduced over the entire life cycle by reducing the environmental load due to physical damage, harmful substances contamination, and loss of corrosion caused by the trait failure at the time of use and disposal of the metal part.
  • Claim 7 according to the present invention is the metal part according to claim 6 , wherein the metal part is a metal pipe joint that is used for connection of a pressure piping circuit that pumps a fluid and does not have the trait defect, and the metal pipe
  • the joint includes a hollow pipe having a round cross section with respect to the fluid pumping direction, a hollow space in the pumping direction, a crane for connecting the hollow pipe to another arrangement circuit, and the connection as necessary.
  • a groove part welded to another piping circuit, a joint surface tightly fitted to another piping circuit to prevent fluid leakage, a connecting screw part screwed to another piping circuit, and fluid leakage prevention A narrow groove portion for accommodating the elastic seal body to be sealed, a tightly fitted seal portion having an outer diameter smaller than the outer diameter of the connecting screw portion for preventing fluid leakage in cooperation with the elastic seal body, a locking nut and screw for pressing the elastic seal body 7.
  • a metal pipe joint is manufactured by coating the protective film of the above, and at the same time as reducing the environmental load of any one of claims 1, 5, and 6 in the manufacturing process, at the time of disposal of use of the metal pipe joint.
  • An eighth aspect of the present invention is the metal part according to the sixth aspect, wherein the metal part includes a hollow pipe shaft having a smooth curvature due to the hollow of the metal pipe joint according to the seventh aspect.
  • a metal bent pipe joint comprising: the soft metal material according to claim 7 formed in a long shape with a bow as a friend or an extrusion; the hollow pipe has a rounded cross-section and an inner wall surface of the hollow pipe. The straight pipe material that is formed smoothly without unevenness is used as the work material, and the internal residual strain stress of the work material is reduced as described in claim 5.
  • a straight pipe material to be processed is formed into a short straight pipe material having a desired length dimension without the above-mentioned trait defect by a high-speed plastic working process according to claim 1 or 5, and then the end face is Mirror surface straight pipe short material is restrained and fixed at least both ends of the straight pipe short material, and the hollow tube shaft compression direction 6.
  • the intermediate portion of the straight pipe short member while being loaded is press-bended to form a hollow pipe shaft having a smooth curvature, and then at least a part of the connecting portion is formed based on the guideline.
  • a metal bent pipe joint is manufactured by coating the bell-proof coating according to any one of claims 6 on the part, and at the same time reducing the environmental load of any one of claims 1, 5, and 6 in the process , Reflection loss due to the hollow pipe shaft having the smooth curvature when the metal bent pipe joint is discarded, pressure loss and flow resistance loss due to the trait defect, and flow loss due to each loss Environmental impacts caused by accidents, pollution of harmful substances, and loss of corrosion Hesi, metal bent pipe fitting metal parts according to claim 6, characterized in that a reduced environmental impact over the entire life cycle of the metal bend fittings.
  • Claim 9 is the metal part according to claim 6, wherein the metal part is a primary of any one of the metal pipe joint according to claim 7 and the metal curved pipe joint according to claim 8.
  • a hollow countersunk washer which is a tightly fitted shiso with an outer diameter smaller than the outer diameter of the connecting thread of the joint!
  • the inner peripheral surface is approximately ffi 1 punched outer peripheral surface, a nut ⁇ ⁇ pressed against a stopper nut that is screwed into the threaded portion of the joint, and an elastic seal body used in the primary fflji of the joint.
  • a hollow dish washer provided with a smooth sealing seat surface that prevents leakage of fluid flowing in the joint pipe, wherein the hollow dish washer is a high height formed by rolling the soft metal material according to claim 7 into a long length.
  • An eco-efficiency type metal plate material is used as a work material, and the internal shear strain stress of the work material is suppressed and removed as set forth in claim 5, and a guideline is set for the plastic working speed.
  • At least the punched inner peripheral surface of the machined metal plate is restrained and fixed in the vicinity of the machining location
  • the inner diameter dimension slightly smaller than the outer diameter of the joint connecting thread portion is formed on the mirror-like inner peripheral surface that does not have the above-mentioned defect, and then formed in the mirror-like shape.
  • the inner diameter of the punched inner peripheral surface is increased to a diameter that is slightly larger than the outer diameter of the connecting thread, and the end of the punched inner peripheral surface formed in a mirror shape is hollowed so as not to break.
  • a hollow dish washer is produced by press-molding into a dish shape, and then coating at least a part of the surface of the press-molded product with any of the fenders according to claim 6.
  • Claim 10 is the metal part according to claim 6, wherein the metal part is A metal pipe joint according to claim 7, and a lock nut used for a primary thread rod of a misaligned joint of the metal bent pipe joint according to claim 8, wherein the lock nut comprises a prismatic main body portion and the joint A lock nut comprising: a female thread portion to be screwed into a threaded portion; and a lock nut seat surface for pressurizing a nut seat surface of a hollow washer at one end surface of the main body portion, wherein the lock nut comprises: The suppression of internal residual strain stress of the workpiece according to claim 5, wherein the workpiece is an environmentally efficient solid element having a prismatic outer shape obtained by drawing or extruding a soft metal material in a long shape.
  • a solid shape without the above-mentioned trait defect of a desired wall thickness dimension by high-speed plastic working according to claim 1, wherein a standard of removal and plastic working speed is established, and a solid material to be machined is used based on the guide.
  • a plate material is formed, and at least a pilot hole of the female screw portion is formed on the solid element based on the guide.
  • the vicinity of the portion corresponding to the female thread portion of the plate material is constrained and fixed, and is formed into a mirror-like shape free of the trait defect by high-speed plastic processing according to any one of claims 1 and 5, and then the mirror-like shape based on the reference
  • a mirror-shaped female thread without the above-mentioned defect is formed by the high-speed plastic processing according to claim 1 or 5 in the pilot hole formed in claim 1, and then on at least a part of the surface of the main body part.
  • a stop nut is manufactured by coating any one of the protective coatings, and the environmental load of any one of claims 1, 5, and 6 in the manufacturing process is reduced, and at the same time, the joint threaded portion Threaded nuts in the primary assembly process.Environmental pollution caused by falling and scattering of broken cracked metal powder, and the joints caused by the metal powder adhering to the hollow pipe. Pressure loss when the primary assembly is discarded 7.
  • Claim 11 is the metal part according to claim 6, wherein the metal part has a protruding piece-like shape that prevents the fastening nut from loosening at one end of the stopper nut according to claim 10.
  • Elasticity of A seated stop nut comprising a flange seat and, if necessary, an inner periphery of the inertia flange seat, a ring storage portion for storing a split resin ring that pressurizes the elastic sealing body according to claim 9,
  • the nut is a highly environmentally efficient solid material formed by drawing or extruding the soft metal material according to claim 7 in a long shape, and the inner residue of the workpiece according to claim 5
  • a guideline for suppressing strain stress and plastic working speed is established, and a solid material having a desired thickness thickness dimension is obtained by high-speed plastic working according to claim 1 using a solid material to be machined based on the guideline.
  • a base plate is formed, and based on the guide, at least the inertia flange seat and the pilot hole of the female screw portion are constrained and fixed in the vicinity of a portion corresponding to the female screw portion of the solid base plate material, or 5. Any of the high-speed plastic processing described in 5
  • the mirror-shaped female screw thread free from the trait defect is formed by high-speed plastic processing according to claim 1 or 5 in a prepared hole formed in the specular shape based on the guide.
  • the tightening elastic force of the elastic flange seat with excellent stress relaxation resistance suppresses the loosening of the fastening when the fixed nut with the seat is used, or the use of the slit resin ring allows the plate washer and the plate washer to be
  • the use of the strength-squeeze process is abolished, and the joint described in claim 10 is caused by the pressure loss at the time of use and disposal of the primary assembly, the contamination of harmful substances, the disappearance of corrosion, and the fluid leakage accident caused by the loosening of the fastening.
  • Claim 12 according to the present invention is a thread rod 3 body using the metal part according to claim 6, wherein the three-dimensional body is a metal pipe joint according to claim 7, and a metal curved pipe joint according to claim 8.
  • the first means of assembling by welding the entire circumference to other metal pipes using welding materials excluded to below the ratio, and screw fastening the connecting thread part of the pipe joint to the other piping circuit main body screwed with the connecting thread part
  • the second means for obtaining the yarn 1 and the screw nut of the pipe joint are forwardly rotated and screwed together, and the pipe fitting is tightly fitted into the tightly fitting joint;! ⁇ Slightly smaller than the outer diameter of the connecting thread portion. Pass through a hollow washer with a large inner diameter to the inside, and reduce the diameter of the hollow dish washer so that there is no gap between it and the tightly fitting seal.
  • the metal part free of the trait defects can be formed by the high-speed plastic process using the tool according to claim 1, and at the same time, plastic processing energy consumption in the forming process, and resource energy consumption associated with each accessory process And the processing and manufacturing costs and environmental loads associated with each consumption can be reduced.
  • the high-speed plastic working process according to claim 1 included in the manufacturing method according to claim 2 enables efficient mass production of metal parts free from the above-mentioned trait defects, and at the same time, claims for the mass production process.
  • the environmental load described in Item 1 can be reduced, and the mass production cost and the environmental load can be reduced.
  • a metal part is manufactured by using a highly recyclable shaped material as a workpiece and using either or both of the mold according to claim 3 and the processing machine according to claim 4.
  • the defect of the metal part can be solved, and at the same time, the environmental load according to claim 2 of the manufacturing process, and the environmental load over the entire life cycle of the workpiece, the mold It is possible to reduce the environmental load of either or both of claim 3 and claim 4 during the manufacture and use of the machine, and to reduce the environmental load of the life cycle of the metal part.
  • the material to be treated is a harmful material-free shaped material, and the high-speed plastic working method according to claim 1, the manufacturing method according to claim 2, and the manufacturing method according to claim 5,
  • the physical parts caused by the failure, physical loss due to the above-mentioned defects at the time of use and disposal of the metal parts, harmful substances contamination, environmental impact due to the disappearance of corrosion, bitumen claim 1, 2, 5 of the manufacturing process Any two or more of the described environmental loads can be alleviated, and the environmental load over the entire life cycle of the metal parts can be reduced.
  • the work material is a high environmental efficiency solid material, and the metal pipe joint according to claim 7, wherein pressure caused by the character defect at the time of disposal of the metal pipe joint is eliminated.
  • the metal curved pipe joint according to claim 8 wherein the workpiece is a straight pipe material, the hollow pipe shaft having a smooth curvature is given to the straight pipe material, and the shape defect is eliminated. Loss of reflection due to the hollow pipe shaft with smooth curvature at the time, pressure loss due to the above-mentioned trait failure, and loss of flow resistance, leakage caused by each loss, pollution of harmful substances and corrosion Environmental load caused by disappearance, and the environmental load of any one of claims 1, 5 and 6 of the metal bent pipe joint manufacturing process can be alleviated, and the load over the entire life cycle of the metal bent pipe joint can be reduced. be able to.
  • the use of the scent ring 9 1 eliminates the use of the plate washer and the diameter reduction of the plate washer, and the caulking process is abolished, and the pressure loss and harmfulness at the time of disposal of the joint primary assembly according to claim 10 It is possible to reduce the environmental load due to the fluid leakage accident caused by contamination, corrosion disappearance and loosening of the fastening, and to reduce the environmental load over the entire life cycle of the seated nut.
  • the air body according to claim 12 is a metal pipe joint according to claim 7, or a metal bend according to claim 8. It is a pipe joint, a hazardous material-free welding material, a primary aiz of each pipe joint, or a hollow IfflJ gold according to claim 9 in the primary ia3 ⁇ 4 step, a set nut according to claim 10,
  • the environmental load due to the consumption of resource energy in the assembly process, the environmental load due to harmful substances contamination, and the metal parts used in the assembly The environmental load according to claims 7 to ⁇ 1 can be reduced, and at the same time, the ai: pressure loss at the time of use and disposal of the body, contamination of harmful substances, disappearance of corrosion, and fluid leakage accident can be reduced. & Environmental load over the entire life cycle of the product can be reduced. [Brief description of the drawings]
  • FIG. 1 (a) is a conceptual diagram for explaining the high-speed plastic working method of the present invention, and is a conceptual diagram for explaining the structure of the mouth of the metal material to be processed.
  • FIG. 1 (b) is a conceptual diagram illustrating the high-speed plastic working process of the present invention.
  • FIG. 2 is a conceptual diagram illustrating a manufacturing method using the high-speed plastic working method of the present invention.
  • FIG. 3 is a schematic cross-sectional explanatory view illustrating the mold of the present invention.
  • FIG. 4 (a) is a schematic cross-sectional explanatory view illustrating the processing machine of the present invention.
  • Fig. 4 (b) is a schematic explanatory diagram illustrating the relationship between the pressurization stroke curve and the machining speed of a general-purpose crankshaft rotary type machine.
  • FIG. 5 (a) is an explanatory view for explaining the metal pipe joint of the present invention, and is a schematic external half-section explanatory view for explaining the first embodiment.
  • FIG. 5 (b) is a schematic cross-sectional explanatory view for explaining the first embodiment.
  • FIG. 5 (c) is a schematic external photograph explanatory view for explaining the second embodiment.
  • FIG. 5 (d) is a schematic sectional photograph explanatory view for explaining the second embodiment.
  • FIG. 5 (e) is a schematic external photograph explanatory view for explaining the third embodiment.
  • FIG. 6 (a) is a schematic explanatory view for explaining the metal bent pipe joint of the present invention, and is a schematic external photograph explanatory view for explaining the first embodiment.
  • FIG. 6 (b) is a schematic sectional photograph explanatory view for explaining the first embodiment.
  • FIG. 6 (c) is a schematic external photograph explanatory view for explaining the second embodiment.
  • FIG. 7 is a schematic external photograph explanatory view for explaining the dish washer of the present invention.
  • FIG. 8 is a schematic external photograph explanatory view for explaining the retaining nut of the present invention.
  • FIG. 9 (a) is a schematic external top view illustrating the seated retaining nut of the present invention.
  • FIG. 9 (b) is a schematic external cross-sectional explanatory view for explaining a locking nut with a seat.
  • FIG. 9 (c) is a schematic explanatory view for explaining a split resin ring to be attached to the locking nut with the seat as required.
  • FIG. 10 is a schematic photograph explanatory view for explaining the fine primary of the seated pipe joint, and is the name of each part of the pipe joint subjected to the colored chromate treatment.
  • FIG. 10 (b) is a schematic external photograph explanatory view for explaining the cap fitting process for protecting the closely-fitted sheet surface and preventing foreign matter from being mixed in the primary assembly.
  • FIG. 10 (c) is a schematic external photograph explanatory view for explaining a screwing process in which the locking nut of the primary assembly is rotated forward and screwed.
  • FIG. 10 (d) is a schematic external photograph explanatory view for explaining a diameter reduction caulking process in which the plate washer of the primary assembly is inserted and the diameter is caulked to close fit !! / 3 ⁇ 4.
  • FIG. 10 (e) is a schematic external photograph explanatory diagram for explaining the mounting process for mounting the first-order elastic seal body (0-ring).
  • FIG. 11 (a) is a schematic photo illustration explaining the environmental contamination of the primary M: plate washer cramping force squeezing process, and is a cascading external view illustrating the structure of the plate washer and force squeeze punch.
  • FIG. Fig. 1 1 (b) illustrates the harmful effects of colored chromate treatment of the plate washer used in the primary assembly.
  • Fig. 11 (c) is a schematic photo explanatory view explaining the harmful chromate-colored metal powder used in the primary assembly or attached to the shim punch.
  • Fig. 11 (d) is a schematic photo explanatory view explaining the environmental pollution situation in which burrs and metal powder of harmful chromate-colored dish washers were dropped and scattered in the same plate washer diameter reduction caulking process.
  • Fig. 12 (a) is a schematic photograph explanatory diagram illustrating a fracture fracture accident when heating a low-grade carbon steel pipe joint.
  • Fig. 12 (b) is a schematic metal cross-sectional structure photograph explaining the metal paper analysis result of the fractured part.
  • Fig. 12 (c) is a schematic photograph explanatory drawing explaining the SEM photograph and the surface analysis result of the fracture surface when cold-rolling a conventional carbon steel pipe joint.
  • FIG. 13 (a) is a schematic photograph explanatory view for explaining a helical calorie when a hollow pipe of a carbon steel pipe joint of a final example is drilled.
  • FIG. 13 (b) is a schematic photograph explanatory view for explaining an example in which the processed surface of each part of the pipe joint is evaluated with a surface roughness comparison standard piece.
  • FIG. 14 is a schematic external cross-sectional explanatory view for explaining an embodiment of the assembly of the present invention.
  • Threaded part formed in a mirror shape 64 metal curved pipe joint, 65 hollow pipe line to which fluid is pumped, 66 hollow pipe shaft with smooth curvature along the fluid pumping direction,
  • High-speed plastic working process 1 0 for example, drastically changes the drive ⁇ : of the processing equipment such as a cutting I machine or press machine, or replaces the metal material 2 0 0 with a surface lubricating film coated composite material
  • the metal material to be processed 200 is selected from a group of practical metals such as Fe and Fe alloys, Cu and Cu alloys, A1 and A1 alloys, etc.
  • ⁇ S The measurement of, for example, the slope of the characteristics related to at least the work hardening index (n value) of the workpiece metal material 2 0 1 when the machining location 2 0 1 of the workpiece metal material 2 0 1 is plastically processed by the tool 1
  • n value work hardening index
  • a guideline for the plastic working speed of 20 la is established, and at least one end near the Karoe location 2 0 1 of the metal material 20 0 is constrained and fixed, for example, as F 1 in FIG.
  • the processing stress consumption is reduced by reflecting the accompanying compressive stress wave as I stay wave and superimposing the incident wave and the reflected wave.
  • the n value can be obtained through a JIS Z 2201 tensile test, for example, by the method of the standard (JIS Z 2241).
  • the surface roughness of the tool surface is finished in a mirror shape, the tip shape of the tool is rounded, the cutting edge is sharpened, or the plastic processing amount per processing cycle is reduced.
  • the tool 1 has a function to increase the speed of the deformation at the machining location 2 0 1, or the machining location 2 0 1
  • the machining location of 1 due to the phenomenon of machining softening of the tool 2 0 1
  • the tool 1 has a function to reduce the plastic wave propagation speed of 1 or is coated with a lubricant film with a small friction coefficient on the tool surface. Friction with 2 0 1 Perform using tool 1 with function to suppress heat generation.
  • the plastic working speed 20 la is set to, for example, the number 10 0 or more higher than the propagation speed of the plastic wave of the metal material to be processed 200 based on the guideline.
  • the high-speed plastic working 10 in which the plastic working speed at the time of plastic working a metal material to be machined is increased without significantly modifying the other machining apparatus conditions and workpiece material conditions.
  • the consumption of processing energy and the consumption of resources and energy associated with each of the attached processes are suppressed, and the processing and manufacturing costs and burdens of each of the consumptions are combined. It is important to reduce and implement.
  • the manufacturing method 50 O a is prepared by preparing the tool 1 according to claim 1 and a mold 2A including the tool 1, and carrying the workpiece 2 0 0 into the mold 2A attached to the processing machine 400.
  • the metal working machine 400 is press-driven by the mold 2A, and the workpiece 2200 is plastically processed by the press-driven metal mold 2A to mass-produce metal parts free of the above-mentioned defect. carry out.
  • Die 2A is for example, a well-known forging die such as forging or rolling, or press die for punching, bending, crushing, drawing, forming, etc., and mounting the die 2A
  • the machine 400 may be implemented using, for example, a general-purpose press machine.
  • the workpiece 20 is a material formed by rolling, drawing or extruding the above-mentioned practical metal material in a long length, and the workpiece 200 is treated, for example, by a leveler, a strain relief annealing device or the like. It is desirable to increase the mass production efficiency by using the apparatus 300 to suppress and remove the internal residual strain stress generated in the process of forming the workpiece 200.
  • the work material 200 is an example of a coil material such as a wound plate / strip / wire, but it may be another rod shape, for example, in this case, for example, distortion of frequency induction heating It is good to carry out using a pre-annealing device.
  • the workpiece 200 At the time of high-speed plastic working 100, measure and manage at least the n value and the inclination of the workpiece 200 as described in claim 1, and refer to the n value and the inclination as a guideline for the plastic working speed. And place the workpiece 2 0 0 As shown in FIG.
  • the vicinity of 2 0 1 is increased as much as possible by, for example, restraining and fixing F 2 in addition to F 1, and the high-speed plastic working 1 0 0 according to claim 1
  • the metal parts that do not have the above-mentioned trait defects can be achieved by increasing the plastic working speed when pressing, forging, forging, rolling, pressing, etc. It is ffF'L to carry out mass production efficiently and at the same time reduce the environmental load according to claim 1 in the mass production process 500 a and reduce both the mass production cost and the environmental load. .
  • the mold 2B is loaded by the upper mold movable part 7 that reciprocates between the upper and lower dead centers by being driven by the Karoe machine 400, and is carried into the mold 2B in cooperation with the upper mold movable part 7. Further, the workpiece 20 is formed into a pair of upper and lower press dies 2B composed of a lower die fixing portion for plastic working.
  • the press die 2 B includes at least the upper mold movable part 7, a tool 1 such as a punch for pressing and plastically processing the workpiece 200, a gripping part 3 such as a punch block for gripping the tool 1, Auxiliary part 4 such as a stripper that transports the workpiece 2 0 0 and restrains and fixes it at a desired position as required, and an auxiliary part 5 such as a heated panel, a die plate and a guide plate that hold each part with high accuracy. It is configured to have Oka I ⁇ holding part 6 etc. such as strike.
  • the press die 2B of the present invention is a constituent member of at least the upper mold movable portion 7 of the press die 2B.
  • «High material efficiency type material with low density, large ratio of 1 oka and large specific heat compared to commonly used iron or ⁇ & gold, and at least a part of the components of tool 1 «High material efficiency type material with low density, large ratio of 1 oka and large specific heat compared to commonly used iron or ⁇ & gold, and at least a part of the components of tool 1
  • «High material efficiency type material with low density, large ratio of 1 oka and large specific heat compared to commonly used iron or ⁇ & gold and at least a part of the components of tool 1
  • the auxiliary part uses a harmful material-free type member that has a low density, a large specific rigidity, a large specific heat, and does not contain any known harmful rare heavy metals.
  • the vibration absorbing type member having a small vibration loss coefficient among the high material efficiency type members is used as at least a part of the constituent members of 4 and 5.
  • the density is the mass per unit volume, and a structure with a lower density has the effect of reducing the motion loss of the structure.
  • Specific rigidity is an index obtained by dividing the modulus of elasticity (Young's modulus) by density.
  • a structure with a larger index is more advantageous in reducing the size and weight by suppressing strain loss and has better vibration absorption. It has the effect of suppressing the consumption of natural energy and the movement loss, vibration, and I compensation when the structure is in operation.
  • Specific heat is the amount of heat necessary to raise the temperature of 1 gr of material by 1 ° C.
  • a structure with a higher specific heat has a greater heat insulation effect and has the effect of suppressing thermal expansion deformation.
  • the high material efficiency type member for example, metal Be, Be—A1-based alloy, metal Al, Al—Si-based alloy, metal i, Ti, which have both the highest specific I property and the highest specific heat.
  • a material such as Mg alloy, metal Mg, Mg-Al alloy, or multi-component alloy containing these light metals is suitable, but it is not limited to these, for example BeO, A1 2 0 3 , ZrO
  • a composite reinforcing member such as a ceramic containing oxide such as 2 and the like, a composite member thereof, an amorphous member, a whisker-sinter strengthening member, or the like.
  • the vibration absorbing member may be measured by performing measurement according to the US military standard MIL-P-22581B from the group of high material efficiency members and calculating the vibration loss coefficient. In this way, press die 2B is reduced in size and weight and designed and manufactured.
  • Press die 2B Resource energy consumption and harmful substance contamination during production, and distortion loss, motion loss, vibration noise, and harmful substance contamination when using the press die 2 B are reduced, and at the same time, the plastic 14 It is essential that the high-speed plastic processing 1 0 0 according to claim 1 is carried out at a higher speed by increasing the speed.
  • the portion where the auxiliary portion 4 restrains and fixes the workpiece is, for example, made of the workpiece.
  • Tool 1 is implemented by the following measures. That is, for example, the tip 1 of the tool 1 is made thinner than the base lb or is rounded so that the tool 1 comes into contact with the workpiece 2 0 0 0
  • the first means of increasing the plastic working speed of the tool 1 and suppressing the vibration noise generated at the contact moment by gradually increasing the area to be touched from the contact moment.
  • Tool 1 Surface contact pressure surface lc is at least partly finished into a mirror surface with a small surface roughness, for example by lapping, to reduce loss of wear on the contact pressure surface 1 c. Second means to do.
  • a wear-resistant lubricating thermal insulation film having a hardness higher than that of the material of the tool 1, a small friction coefficient, and a large specific heat is selected from at least a part of the contact pressure surface 1c from Table 4, for example.
  • the press speed of the Karoe machine is zero and reverse at the top and bottom dead centers, such as a general-purpose press machine.
  • the effective length of the tool 1 is increased by interposing a spacer with a desired thickness underneath, and the contact pressure moment (timing) of the tool 1 is set to the bottom dead center (crankshaft rotation angle 1
  • the fifth means for increasing the plastic working speed of the tool 1 by shifting from the low speed range of the vicinity 18 to the high speed range of the rotation angle 9 0 0 and 1 9.
  • At least one of these means without significant equipment modification, preferably as much as possible, and design and manufacture press die 2 B with a smaller and lighter weight, and resource energy consumption during production of die 2 B ⁇ Hazardous material contamination, distortion loss when using the mold 2B ⁇ Motion loss ⁇ Vibration loss ⁇ Friction loss and consumption ⁇ Hazardous material contamination ⁇
  • Each loss ⁇ Environmental impact caused by peristaltic noise At the same time, the speed of the plastic working is increased by a part of each loss reduction, and the high-speed plastic working 100 according to claim 1 is made to be possible and can be achieved.
  • FIGS. 4 (a) and (b) are examples of a general-purpose crankshaft rotary type squeezing machine, but for example, a thermomotor drive type or an electromagnetic direct acting type press machine may be used.
  • the processing machine 10 of the present invention pressurizes and drives a pair of upper and lower molds attached to the processing machine 10, and uses the tool of the mold to move the workpiece 20 0 carried into the mold.
  • the forging machine 10 is used in a metal part machine 400 that is pressed and plastically processed.
  • the g £ E processing machine 10 has a fixed part 11 such as a pors evening to which the lower mold fixing part of the mold is attached, a slide that reciprocates between the upper and lower dead centers by attaching the upper mold movable part of the mold.
  • the scissors processing machine 10 has at least a part of the constituent parts of the movable part 12 as a high material efficiency type member according to claim 3, a harmful substance free type member, a vibration absorption type.
  • at least the movable A sixth means for subjecting a part of the friction sliding surface 15 of the part 12 to a mirror-like surface finishing process according to claim 3, wherein at least a part of the friction surface 15 is provided with the wear-resistant lubrication heat insulation.
  • the i3 ⁇ 4 processing machine 10 is designed and manufactured by reducing the size and weight, and the cocoon processing machine 10 consumes resource energy at the time of manufacture, contamination with harmful substances, and the forging machine 10
  • the high-speed plastic working step 100 according to claim 1 may be carried out as much as possible by increasing the plastic working speed by a part of each loss reduction. It is.
  • the manufacturing method 50 0b is carried out by using the press die according to claim 3 in the plastic working according to claim 2, and preferably using the press machine 10 according to claim 4. It is good to carry out using both 2B and the machine 10.
  • Manufacturing method 50 Ob was deliberately strengthened the high-quality deoxidation treatment of the molten metal using a deoxidizer with high generation energy such as Ti 2 O 2 at the time of the plastic working.
  • a highly recyclable shaped material that has been rolled, drawn, or extruded from a highly recyclable metal material is defined as a material to be treated 200, for example, non-metallic inclusions as shown in Fig. 12 and Fig. 13.
  • the manufacturing method 500b includes the suppression and removal of internal residual strain stress of the metal material to be processed 200 as described in the embodiment of claim 5, and the plastic working speed of the metal material to be processed 200
  • Establish a standard, and based on the standard, outline of metal parts A metal part is manufactured by forming at least a part of the shape into a mirror surface without any of the above-mentioned trait defects using either the press die 2 B or the I ⁇ processing machine 10, preferably using both high-speed plastic working capabilities
  • the environmental load of claim 2 in the manufacturing process, and the environmental load over the entire life cycle of the workpiece shape material 200 are reduced, and the mold 2 B. at the time of manufacturing the processing machine 10 and It is important to reduce the environmental load of either one or both of claims 3 and 4 during use and reduce the total environmental load of the manufacturing process 500 b.
  • the metal parts of the present invention are limited to metal pipe joints, washers, nuts and the like used for assembling the pipe joints as disclosed in Patent Document 1, for example.
  • the metal part of the present invention has a high-speed plastic working method according to claim 1, a manufacturing method according to claim 2, and a manufacturing method according to claim 5, in order to eliminate the defect of the metal part.
  • the metal part is a highly recyclable metal material according to claim 5 such as Pb, Cd, Cr, Co, Ni, etc.
  • Extruded harmful material Free-type shaped material shall be treated as 200, and the contamination of harmful material caused by processed harmful material-free shaped material will be reduced.
  • the internal residual strain stress of the workpiece 200 is suppressed and removed, and the guideline of the plastic working speed of the workpiece 200 is performed.
  • a mirror-like processed product having no trait defect is formed by any one or more of 100, and then, on at least a part of the processed product surface, for example, Pb, Cd, Non-lead, non-strength, non-chromium, and silica-based protective coatings that do not contain harmful components such as tetravalent Ci 'and hexavalent Cr, or exclude these harmful components below the inevitable component ratio
  • a metal part is manufactured by coating a bell-proof film such as trivalent chromate, and the environmental load of any one of claims 1, 2, and 5 in the manufacturing process is simultaneously reduced. It is important to reduce the environmental impact caused by physical damage, harmful substance contamination, and disappearance of corrosion due to the above-mentioned defect at the time of use and disposal of the component, and to reduce the environmental impact throughout the life cycle of the metal component. Is the heart.
  • the metal part 60 is a metal pipe joint 60 that does not have the above-mentioned trait defect used for the connection of the pressure piping circuit.
  • Tip part (not shown), sheet surface 63 3b tightly fitted to other piping circuit to prevent fluid leakage, connection thread part 6 3 c screwed to other piping circuit, elastic deformation seal ability
  • a narrow groove portion 6 3 d that accommodates an elastic seal body that prevents fluid leakage, a tight fit that cooperates with the elastic seal body to prevent fluid leakage 156 3 e, and a locking nut that presses the elastic seal body
  • the metal pipe joint 60 is formed by rolling a soft metal material such as mild steel, copper, aluminum, etc., which intentionally reduces the additive component of the harmful material-free metal material according to claim 6, to a long length, drawn, Alternatively, a highly environmentally efficient solid material, such as a plate or rod formed by extrusion, is used as the workpiece, and the environmental load over the entire life cycle of the solid material being processed is reduced. To implement.
  • a soft metal material such as mild steel, copper, aluminum, etc.
  • a highly environmentally efficient solid material such as a plate or rod formed by extrusion
  • the hollow pipe 61 has a cross-sectional shape with no corners. In addition, it is formed in a smooth mirror surface with no spiral processing flaws, etc., and the pressure loss due to the vortex flow at the corner of the fluid flowing through the hollow pipe 61 and the flow resistance loss due to the processing flaws are reduced.
  • connection part 63 is formed by, for example, high-speed plastic working 100 0 according to any one of claims 1 and 5 such as high-speed cutting and high-speed screw forging, for example, surface roughness to be processed. It is formed in a smooth mirror-like shape with Ra of about 6 m or less, due to the environmental pollution caused by the falling-off scattering of metal powder, etc., and due to the adhering and mixing of the burr metal powder into the hollow pipe 61. Control and prevent fluid leakage accidents. Thereafter, at least a part of the surface of the metal pipe joint 60 is coated with, for example, the trivalent chromate film described in the embodiment of claim 6 to suppress the formation of the vicinity of the hollow pipe 61.
  • a metal pipe joint 60 is manufactured, and the manufacturing process and the contamination of the metal pipe joint 60 and corrosion disappearance are suppressed in combination.
  • the environmental load of any one of claims 1, 5, and 6 in the manufacturing process is reduced, and at the same time, the pressure loss and the flow resistance caused by the trait defect at the time of disposal of the metal pipe joint 60 are discarded.
  • the metal bent pipe joint 6 4 is the metal pipe fitting 60 according to claim 7, wherein the hollow has a smooth curvature.
  • a pipe shaft 6 6 is provided, and the flow of fluid flowing in the hollow pipe 6 5 is reduced and carried out.
  • the metal bent pipe joint 64 is formed by drawing or extruding the soft metal material according to claim 7 in a long shape, and the hollow pipe 65 has a rounded cross-sectional shape, for example, and an inner surface of the hollow pipe 65.
  • a straight pipe formed with a smooth surface is used as a workpiece 200, and the pressure loss and flow resistance loss of the fluid are reduced.
  • the internal residual strain stress of the Ml leather workpiece 200 is suppressed and removed, and the plastic working speed of the workpiece 200 is estimated.
  • the end surface without the above-mentioned trait defect is formed on a short straight pipe material (not shown) having a mirror-like shape, and the accuracy of the press bending process behind the metal bent pipe joint 6 4 resulting from the trait defect is improved. .
  • a hollow tube having a smooth curvature is obtained by restraining and fixing both ends of a straight tube short member having a mirror-like end surface, and press-bending the middle of the short tube short member while applying a load in the direction of compression of the straight tube.
  • the road shaft 66 is formed, and then at least a part of the connecting portion of the metal bent pipe joint 64 is formed on the basis of the guideline as described in the embodiment of the claim 7, either of the claims 1 or 5.
  • Claims 1, 5, and 6) Reduce the environmental load of 2 or more and, at the same time, smooth the metal bent pipe joint 64 Reduced pressure reflection loss due to the hollow pipe shaft 6 6 of curvature, each loss of pressure loss and flow resistance loss due to the above-mentioned trait defect, fluid leakage accident due to loss of personnel, pollution of harmful substances and environmental impact due to loss of corrosion It is important to reduce and reduce the environmental load over the entire life cycle of the metal bent pipe joint 64. [0 0 5 5]
  • the hollow dish washer 70 is a connecting thread part 63 of the joint.
  • the hollow dish washer 70 is a highly environmentally efficient metal plate material such as a strip obtained by rolling the soft metal material according to claim 7 as a work material 200, and the work metal plate material 200 Reduce the environmental burden over the entire life cycle.
  • the internal residual strain stress of the workpiece 200 is suppressed and removed, and the plastic working speed of the workpiece 200 is set as a guideline. 6.
  • high-speed cutting and high-speed press punching according to claim 5, wherein at least the punched inner peripheral surface 70 a of the hollow dish washer is constrained and fixed in the vicinity of the processing place 2 0 1 of the workpiece metal plate 20 0.
  • the inner diameter dimension slightly smaller than the outer diameter of the connecting thread portion 63c of the joint is a mirror-shaped punched inner circumference that does not have the above-mentioned defects such as sagging, fracture cracking, and burr
  • the inner diameter of the punched inner peripheral surface 7 O a formed on the surface 70 a and then the mirror-like shape is set to an inner diameter dimension slightly larger than the outer diameter of the connecting screw portion 63 c.
  • Inner peripheral surface 7 Oa The diameter of the end is increased so that it does not break and it is pressed into a hollow dish shape.
  • a hollow dish washer 70 is manufactured by coating, for example, a trivalent chromate film of any one of the fenders according to claim 6 on a surface of the press-molded product by a known method. And reducing the environmental load according to claims 5 and 6 in the manufacturing process, and at the same time, preventing and preventing the burrs and fracture cracking metal powder of the washer of the reduced diameter caulking process of the joint primary from falling off. Environmental pollution due to scattering, and the burrs. The metal powder adheres to the hollow pipe of the joint. Il hand Pressure loss, disposal of harmful substances, corrosion disappearance, fluid leakage when the primary assembly is discarded. It is essential to reduce the environmental burden caused by an accident and reduce the environmental burden throughout the entire life cycle of the hollow washer 70.
  • the lock nut 80 includes a prismatic main body portion 80 a, a female screw portion 80 b that is screwed into the threaded portion 63 f of the joint, and a hollow washer on one end surface of the main body portion 80 a This is carried out as follows in a stopper nut 80 having a stopper nut bearing surface 80 c that pressurizes the nut seat surface.
  • the lock nut 80 is a high-efficiency solid material obtained by drawing or extruding the soft metal material according to claim 7 in a long form as a work material 200. Reduce the environmental impact over the entire life cycle of materials.
  • the internal residual strain stress of the workpiece 20 is suppressed and removed, and a guideline of the plastic working speed in the workpiece 200 is established, and based on the guideline
  • high-speed plastic processing according to claim 1 is used to cut a solid material 200 to be processed into a desired wall thickness dimension free from the above-mentioned defects such as sagging, fracture cracking, and burr.
  • a solid body plate (not shown) is formed, and at least a pilot hole (not shown) of the female threaded portion 8 O b is formed in the female threaded portion 80 b of the solid body shaped plate material to be covered based on the reference.
  • the vicinity of the corresponding part is restrained and fixed.
  • the high-speed plastic processing according to claim 1 or 5 of high-speed forging crane or high-speed forging crane According to the high-speed plastic processing 1 0 0 according to claim 1 or 5, for example, high-speed cutting, high-speed screw forging, etc. 7.
  • a mirror-like female screw thread free from the trait defect is formed, and then, at least a part of the surface of the main body, for example, a trivalent chromate skin film of any one of the antifouling films according to claim 6 is publicly known
  • a stop nut is manufactured by forming a coating by the method, and the environmental load of any one of claims 1, 5, and 6 in the manufacturing process is reduced, and at the same time, the stop nut is screwed onto the joint screwing portion 63f.
  • Stopping burrs in the primary assembly process ⁇ Environmental pollution caused by falling and breaking of broken cracked metal powder, and the burrs' the joint due to adhering contamination of the metal powder into the hollow pipe Pressure loss, disposal of harmful substances, loss of corrosion, fluid at the time of disposal of the assembly Mode to reduce the environmental impact caused by an accident, as in child and reduce the environmental impact over the entire life cycle of ⁇ Me Summer Bok is Hiyo.
  • the stop nut 90 with a seat has a protruding elastic flange seat 90 d that prevents the nut from loosening at one end of the main body 80 a of the stop nut 80 according to claim 10, and if necessary.
  • a ring housing portion 90 e for housing the resin ring 91 divided to press the elastic seal body according to claim 9 on the inner periphery of the elastic flange seat 90 d Implement as follows.
  • the locking nut 90 with a seat is a highly eco-efficient solid element formed by drawing or extruding the soft metal material according to claim 7 in a long length as a workpiece 200, and the processed solid element Reduce the environmental burden over the entire life cycle of the shape material 200.
  • the internal residual strain stress of the material to be processed 200 is suppressed and removed, and the plastic working speed of the material to be processed 200 is estimated
  • the vicinity of the portion to be fixed is fixed, for example, high speed cutting, high speed shearing, high speed forging, high speed punching, etc.
  • the high-speed plastic working according to claim 1 or 5 such as high-speed cutting, high-speed screw forging, etc., is applied to the prepared hole formed in the mirror-like shape based on the guideline. Forming no mirror-like female thread, After that, at least a part of the surface of the formed article is coated with, for example, a trivalent chromate film of the antifouling film according to any one of claims 6 to produce a seated nut 90, and if necessary, The ring housing portion 90 e is preliminarily attached with a split resin ring 9 1 that is harder and has a smaller friction coefficient than that of the inertia seal body, and the manufacturing process according to claim 1, 5, 6.
  • the elastic flange seat 90 d which is excellent in stress relaxation resistance, is used to suppress the loosening of fastening when the seated nut 90 is used, or
  • the use of the split resin ring 9 1 eliminates the use of the plate washer and the shrimbling force shimming process of the plate washer, and the pressure loss at the time of disposal of the joint primary assembly according to claim 10; Harmful contamination, loss of corrosion, flow caused by loosening Reducing the environmental impact of Mo ⁇ accidents, it is important to implement to reduce the environmental impact over the entire Raifusaikuru of the washer stop nut 9 0.
  • the welding joint groove portion (not shown) of the pipe joint does not contain a known harmful component as shown in Table 5, for example, or is a welding material in which the harmful component is excluded to an inevitable component ratio or less.
  • the first means of assembling by welding all the circumference to other metal pipes using precious metal brazing (JISZ 3 2 6 8) for vacuum.
  • a nut having a bore size slightly larger than the outer diameter of the connecting thread portion 6 3 c is fitted to the tight fitting seal portion 6 3e of the pipe joint.
  • the plate washer After inserting the washer, 6 3e, the plate washer is crimped so that no gap is generated, and then the elastic seal body according to claim 9 is attached to the tightly fitting seal portion 6 3e to primarily assemble the seated pipe joint, Next, after screw fastening to the other piping circuit main body part 700 which is screwed with the connecting thread part 63c of the seated pipe joint, the elastic sealing body is connected via a washer which is reversely rotated and the diameter thereof is crimped.
  • a third means of preloading and assembling A seated joint using the hollow plate washer 70 according to claim 9, the stopper nut 80 according to claim 10, and the stopper nut 90 according to claim 11 in the third means.
  • the fourth means is to apply the preload to the elastic seal body by the procedure described in the third means, and then to sensitize the elastic seal body.
  • 3 ⁇ 4Jt body is obtained by 3 ⁇ 45t, and the environmental load due to resource energy consumption in the aio: process, the environmental load due to harmful substance contamination, and the metal parts used in the assembly
  • Corresponding claims 7-11 While reducing the environmental load described in claim 1, at the same time, reducing the environmental load caused by pressure loss, hazardous substance contamination, corrosion loss, fluid leakage accident when the assembly 60 is used and discarded, It is important to reduce the environmental burden throughout the life cycle of the body. [Table 5]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

L'invention porte sur un procédé d'usinage plastique pour former un composant métallique ne comportant pas de défauts, par exemple des bavures, dans la forme, sur un procédé de production d'un composant métallique à l'aide du procédé d'usinage plastique, sur une matrice et sur une machine de traitement destinées à être utilisées dans ceux-ci, et sur des composants métalliques et sur un ensemble de ceux-ci produits à l'aide des procédés, de la matrice et de la machine de traitement mentionnés ci-dessus, une charge sur l'environnement étant réduite sur toute la durée de vie totale des composants métalliques et de l'ensemble de ceux-ci. Une vitesse d'usinage plastique standard est établie en référence à la valeur n d'un matériau métallique devant être usiné, un composant métallique n'ayant pas de défauts de forme est formé par accroissement de la vitesse d'usinage plastique par rapport à la vitesse de propagation d'une onde plastique dans le matériau métallique devant être usiné, et une charge sur l'environnement est réduite sur toute la durée de vie totale des composants métalliques grâce à l'omission du traitement associé au procédé d'usinage.
PCT/JP2009/058600 2008-04-24 2009-04-24 Procédé d'usinage plastique à grande vitesse de composant métallique WO2009131253A1 (fr)

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PCT/JP2008/057939 WO2009130776A1 (fr) 2008-04-24 2008-04-24 Raccord de tube coudé de précision de petite taille et ensemble pour réduire la somme totale d'une charge environnementale spécifique, procédé pour produire le raccord de tube coudé de précision de petite taille et l'ensemble, et moule et machine de travail pour l'exécution du procédé

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