WO2011125649A1 - 抵抗溶接構造及び抵抗溶接方法並びに被溶接部材及びその製造方法 - Google Patents

抵抗溶接構造及び抵抗溶接方法並びに被溶接部材及びその製造方法 Download PDF

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Publication number
WO2011125649A1
WO2011125649A1 PCT/JP2011/057804 JP2011057804W WO2011125649A1 WO 2011125649 A1 WO2011125649 A1 WO 2011125649A1 JP 2011057804 W JP2011057804 W JP 2011057804W WO 2011125649 A1 WO2011125649 A1 WO 2011125649A1
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WO
WIPO (PCT)
Prior art keywords
projection
welded
resistance welding
recess
members
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2011/057804
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English (en)
French (fr)
Japanese (ja)
Inventor
伸 小野瀬
伸也 中谷
寿 雪田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Astemo Ltd
Original Assignee
Hitachi Automotive Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Priority to CN201180017304.3A priority Critical patent/CN102834215B/zh
Priority to EP11765549.8A priority patent/EP2554320A4/en
Priority to US13/638,825 priority patent/US20130020301A1/en
Priority to EP25173911.6A priority patent/EP4585348A3/en
Publication of WO2011125649A1 publication Critical patent/WO2011125649A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/14—Projection welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K23/00—Making other articles
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/36—Auxiliary equipment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12389—All metal or with adjacent metals having variation in thickness

Definitions

  • the present invention relates to a resistance welding structure and resistance welding method using projection welding, and a configuration and a manufacturing method of a member to be welded on which projection is formed, and more particularly, to a resistance welding structure and a configuration of a projection forming portion in the member to be welded. .
  • Resistance welding is a welding method in which a member to be welded is locally heated by resistance heat generation and the heated portion is joined under the action of pressure.
  • a projection is formed on one of a plurality of members to be welded to each other, and the pressure and current are applied between the members to be welded in a state where the projection is abutted against the other member to be welded.
  • projection welding in which the pressure and current are concentrated and joined at the abutting portion between the projection and the other member to be welded. Since projection welding can concentrate the applied pressure and current on a small area, it is possible to obtain an excellent thermal balance and to manufacture various products having good joining quality.
  • a method for forming a projection on a member to be welded a method in which a point or line pressure is applied from the back side of the member to be welded and a point or line projection is pushed out to the surface side of the member to be welded is generally used.
  • a depression due to pressure is formed on the back side of the member to be welded, and the thickness of the projection is thinner than the thickness of the material.
  • a technique has also been proposed in which projection welding is performed using a member to be welded in which a depression is not formed on the back surface side of the member to be welded and a dot-like or linear projection is formed on the surface side ( For example, see Patent Document 1.)
  • the projection wall is pushed from the back side and the projection is pushed to the front side. Therefore, the rigidity of the projection is low and the projection is deformed by the pressure applied during resistance welding.
  • the thickness of the projection is reduced, the electrical resistance during resistance welding is increased due to the decrease in the energization path, and heat is generated at portions other than the contact portion with the mating member and is softened.
  • the projection is likely to buckle during resistance welding, an appropriate pressure is not applied to the joint, and welding defects such as spatter and voids are likely to occur at the joint, resulting in stable joint quality. There is a problem that it is difficult.
  • the member to be welded disclosed in Patent Document 1 since the rigidity of the projection is high, it is possible to eliminate the occurrence of poor welding due to the buckling of the projection.
  • the total thickness of the welded member in the projection forming portion is the total value of the thickness of the material and the height of the projection, and between the resistance welding electrodes. Since the resistance value is high, inconveniences such as a large amount of heat generation in the periphery of the projection, a wide heat affected area, or excessive deformation of the projection cannot be solved.
  • the present invention has been made to solve such problems of the prior art, and an object of the present invention is to provide a highly reliable welded portion that can apply an appropriate pressure and heat to the joint.
  • An object of the present invention is to provide a resistance welding structure and a resistance welding method that can be generated, and to provide a welded member suitable for carrying out these resistance welding structure and resistance welding method, and a manufacturing method thereof.
  • the present invention provides a welded member in which one to a plurality of projections are formed on a material formed with a metal plate, and a recess is formed on one surface of the material.
  • the projection is formed on the bottom surface or the back surface of the recess, the thickness of the material in the recess and in the peripheral portion of the projection is D2, and the thickness of the material outside the recess is D3.
  • the plate thicknesses of these parts are in the relationship of D2 ⁇ D3.
  • the present invention provides a method for manufacturing a member to be welded, which is disposed on the front side and the back side of a material formed with a metal plate, and a pair of molds for fixing the material, Using a press device having a molding punch for applying a local pressure to the material, and a molding hole for allowing a part of the material to flow plastically under the pressure applied by the molding punch, After fixing the material with the pair of molds, the molding punch is driven to apply a required pressure to one side of the material, and the shape of the tip of the molding punch is applied to the pressure application portion of the material And forming a projection of a required shape and a required size by causing a part of the material that has undergone plastic flow by receiving the applied pressure to flow into the forming hole.
  • the thickness of the material in the recess and the peripheral portion of the projection is D2
  • the thickness of the material outside the recess is D3
  • the thickness of each of these portions is D2 ⁇ D3. .
  • the present invention provides a resistance welding structure in which a plurality of members to be welded including at least one member to be welded on which projections are formed are integrated by projection welding.
  • the member to be welded on which the projection is formed is formed by forming one or a plurality of projections on a material formed with a metal plate, and a recess is formed on one side of the material, and the bottom surface of the recess Alternatively, when the projection is formed on the back surface, the thickness of the material in the concave portion and the peripheral portion of the projection is D2, and the thickness of the material outside the concave portion is D3, , D2 ⁇ D3, the member to be welded on which the projection is formed, and other members to be joined thereto The welded members were in the configuration that are joined through said projections.
  • the present invention provides a resistance welding method in which a plurality of members to be welded including at least one member to be welded on which projections are formed are integrated by projection welding.
  • the welded member on which the projection is formed has a recess formed on one surface of a material formed with a metal plate, and the projection is formed on the bottom surface or the back surface of the recess.
  • the plate thickness of each of these portions is such that D2 ⁇ D3, and the projection is on the inside, After overlapping the plurality of members to be welded, the plurality of portions to be welded through the projection With energized during, and the configuration of imparting pressure to said projection.
  • a recess is formed on one side of a material formed with a metal plate, and the projection is formed on the bottom surface or the back surface of the recess. Since the thickness of the material in the recess and the peripheral portion of the projection is D2, and the thickness of the material outside the recess is D3, the thickness of each of these portions is D2 ⁇ D3. In the projection, a portion thinner than the plate thickness D2 of the material in the recess and in the peripheral portion of the projection is not formed, so that the projection can be prevented from buckling during resistance welding, and the joint quality can be stabilized. it can.
  • the concave portion is formed on one surface of the material, the shape effect and the current-carrying path length at the time of resistance welding can be shortened, and the specific resistance between the electrodes can be suppressed, so that the heat affected zone can be reduced. Furthermore, with respect to the method for manufacturing the member to be welded, since the required recess and projection are formed simultaneously using the plastic flow of the material, the member to be welded can be manufactured with high efficiency.
  • Explanatory drawing which shows the structure of the press apparatus used for manufacture of the to-be-welded member which concerns on 2nd Embodiment and 3rd Embodiment, and the manufacturing method of the to-be-welded member which uses this using 2nd Embodiment and 3rd Embodiment. It is. It is a block diagram of the various to-be-welded members manufactured with the manufacturing method which concerns on this invention. It is explanatory drawing of the to-be-welded member formed in ribbon shape. It is a block diagram of the resistance welding machine applied to implementation of the resistance welding method which concerns on this invention. It is principal part sectional drawing which shows the 1st example of the resistance welding structure using the to-be-welded member which concerns on 1st Embodiment.
  • the welded member 1 ⁇ / b> A according to the first embodiment has a recess 2 formed on one surface of a material 1 made of a metal plate, a projection 3 formed on the back surface of the recess 2, and a recess 2.
  • a recess 4 is formed at a position corresponding to the tip of the projection 3 on the bottom surface.
  • the welded member 1 ⁇ / b> B according to the second embodiment has a recess 2 formed on one side of a material 1 made of a metal plate, a projection 3 formed on the bottom surface of the recess 2, and a recess 2.
  • a recess 4 is formed at a position corresponding to the tip of the projection 3 on the rear surface of the projection.
  • the tip of the projection 3 protrudes out of the recess 2.
  • the projection 3 is formed on the bottom surface of the recess 2 similarly to the welded member 1 ⁇ / b> B according to the second embodiment.
  • a recess 4 is formed at a position corresponding to the tip of 3, but the tip of the projection 3 is housed in the recess 2.
  • the recess 4 is automatically formed with the formation of the projection 3, as will be described later in detail in the column of the method for manufacturing a member to be welded.
  • the height of the projection 3 (the height from the bottom of the recess 4 to the tip of the projection) is D1
  • the thickness of the material 1 in the recess 2 and in the peripheral portion of the projection 3 is D2.
  • the welded member 1A according to the first embodiment and the welded member 1B according to the second embodiment satisfy D1> D2 ⁇ D3
  • the third The welded member 1C according to the embodiment satisfies D1 ⁇ D2 ⁇ D3.
  • the thickness of the projection 3 is the same as or larger than the plate thickness D2 of the material 1 in the concave portion 2 and in the peripheral portion of the projection 3.
  • the rigid projection 3 can be formed, the resistance value when energized can be reduced, and heat generation can be suppressed.
  • the recessed part 2 is formed around the projection 3, the heat affected zone can be suppressed to a narrow range by its shape effect. Therefore, it is possible to prevent the projection 3 from buckling and the expansion of the heat affected zone during the welding operation, and the weld quality of the welded portion can be improved.
  • FIG. 4 (a), (b) the structure of the press apparatus used for manufacture of 1 A of to-be-welded members which concern on 1st Embodiment, and 1 A of to-be-welded members which concern on 1st Embodiment using this The manufacturing method will be described.
  • the press device of this example is disposed on the front surface side and the back surface side of the material 1, and a pair of molds 21 and 23 for fixing the material, and a mold 23.
  • the molding punch 24 is provided so as to be movable up and down and applies local pressure to the material 1.
  • a molding hole 22 is opened at a position corresponding to the molding punch 24 of the mold 21. .
  • a plastic flow 25 is generated in a part of the material 1, and a part of the material 1 that has caused the plastic flow 25 flows into the molding hole 22, and the back side of the recess 2. Then, the projection 3 having the required shape and the required size is formed. Furthermore, when a part of the material 1 that has caused the plastic flow 25 flows into the molding hole 22, a recess 4 is formed at a position corresponding to the tip of the projection 3 on the bottom surface of the recess 2.
  • the pressing force P 3 applied to the pressure P 2 and forming punch 24 is applied to the mold 21 and 23, the size relationship of the respective portions is adjusted such that D1> D2 ⁇ D3.
  • FIGS. 5 (a) and 5 (b) the configuration of the press device used for manufacturing the welded members 1B and 1C according to the second and third embodiments and the second embodiment using the same.
  • the manufacturing method of member 1B and 1C to be welded which concerns on a form and 3rd Embodiment is demonstrated.
  • the press apparatus of this example is characterized in that the molding hole 22 is not provided in the mold 21 but the molding hole 26 is provided in the molding punch 24.
  • the other parts are the same as those shown in FIGS. 4 (a) and 4 (b), and the corresponding parts are denoted by the same reference numerals and the description thereof is omitted.
  • a plastic flow 25 is generated in a part of the material 1, and a part of the material 1 causing the plastic flow 25 flows into the forming hole 26, and a required shape and a required size.
  • the projection 3 is formed. Furthermore, when a part of the material 1 that has caused the plastic flow 25 flows into the molding hole 26, a recess 4 is formed at a position corresponding to the tip of the projection 3 on the back surface of the recess 2.
  • the pressing force P 2 applied to the molds 21 and 23 and the pressing force P 3 applied to the forming punch 24 the dimensional relationship between the respective parts of the welded member 1B according to the second embodiment is D1> D2 ⁇ . D1 is adjusted, and the welded member 1C according to the third embodiment is adjusted so that the dimensional relationship between the respective parts is D1 ⁇ D2 ⁇ D3.
  • the projection 3 having the required shape and the required size can be precisely manufactured by a single pressing process, so that the members to be welded 1A, 1B, and 1C can be manufactured. Manufacturing efficiency can be increased.
  • FIG. 6A shows an example in which a circular recess 2 is formed using a cylindrical molding punch 24 and a conical projection 3 is formed on the back side thereof.
  • FIG. 6B shows a hexagonal shape. This is an example in which a hexagonal recess 2 is formed using a columnar molding punch 24 and a conical projection 3 is formed on the back side thereof.
  • FIG. 6C shows a columnar molding punch 24. This is an example in which a circular recess 2 is formed and a conical projection 3 is formed on the bottom surface thereof.
  • FIG. 6D shows a rectangular recess 2 formed by using a prismatic molding punch 24. In addition, the linear projection 3 is formed on the back side.
  • the ribbon-shaped welded member shown in FIG. 7 can also be created by appropriately cutting the welded member of FIG.
  • the pressing device 23 of FIG. 4 and FIG. 5 is provided with the pressing die 23, the pressing die 23 is not an essential constituent member. It is possible to form a welded member.
  • the resistance welder of the present example holds a welding power source 39, electrode holders 32 and 33 connected to the welding power source 39 and the secondary conductor 38, and electrode holders 32 and 33.
  • the welded members 1, 1 ′ are joined by inserting the welded members 1, 1 ′ between the fixed electrode 31 and the movable electrode 30 with the movable electrode 30 retracted upward, and then an air cylinder. 37, the welded member 1, 1 'is sandwiched between the distal end portion of the fixed electrode 31 and the distal end portion of the movable electrode 30, and the applied pressure applied to the welded member 1, 1' reaches a set value.
  • the welding current can be supplied from the welding power source 39 to the electrodes 30 and 31 through the secondary conductor 38.
  • FIGS. 9A and 9B relate to the joining of the welded member 1A according to the first embodiment and the flat plate-like welded member 5 on which no projection is formed, and each of these welded members 1A. 9, first, as shown in FIG. 9A, one side of the member to be welded 5 is abutted and fixed to the projection 3 formed on the member to be welded 1 ⁇ / b> A. Next, as shown in FIG. 9B, the movable electrode 30 of the resistance welder shown in FIG.
  • the welding current supplied from the welding power source 39 is passed between the electrodes 30 and 31 with the pressure P1 applied to the position facing the movable electrode 30 on the back surface of the electrode. Due to this welding current, the contact surface between the projection 3 formed on the welded member 1A and the other welded member 5 formed in a flat plate shape is heated and heated by the electric resistance during energization, and FIG. As shown in the figure, a joint 6 made of solid phase bonding or melt bonding is formed on the contact surface. Thereby, the to-be-welded members 1A and 5 are joined integrally.
  • the projection 3 of the welding member 1A is applied to a method of resistance welding this example, it is formed on the opposite surface 4 is small, since the small cavity formed between the movable electrode 30 and the member to be welded 1A, it is possible to secure the rigidity of the projection 3 can be reduced deformation due pressure P 1. Further, since the contact area between the movable electrode 30 and the member to be welded 1A can be secured, the welding current density between the movable electrode 30 and the member to be welded 1A can be reduced, and damage to the member to be welded 1A can be prevented. The life of the electrode 30 can be improved.
  • the recess 2 is formed in the welded member 1A, the distance from the movable electrode 30 to the tip of the projection 3 is short, the heat generation of the welded member 1A itself can be reduced, and the material 1 in the recess 2 can be reduced. Since the plate thickness D2 is thinner than the plate thickness D3 of the material 1 outside the recess 2, heat is likely to concentrate on the projection 3, and only the joint portion 6 can be efficiently heated, and the heat influence is small. Stable and high quality bonding is possible.
  • the welded member 1A according to the first embodiment is joined to another flat plate-like welded member 5 on which the projection 3 is not formed.
  • the gist of the invention is not limited to this, and can be applied to various other resistance welding structures.
  • a plurality of flat plate-like welded members having a small plate thickness between the welded member 1A according to the first embodiment and one flat plate-like welded member 5 having a large plate thickness. 9 can be sandwiched and joined together.
  • board thickness may be one.
  • FIG. 14 shows a resistance welding structure when the welded member 1B according to the second embodiment is used.
  • the member to be welded 1 ⁇ / b> B according to the second embodiment and the flat member to be welded 5 on which no projection is formed are joined together via the projection 3.
  • omitted there is no restriction
  • Various resistance welding structures can be configured (see FIGS. 10 to 13).
  • As a resistance welding machine what was shown in FIG. 8 can be used, and it can join using the resistance welding method similar to the case where the to-be-welded member 1A which concerns on 1st Embodiment is used.
  • FIG. 15 shows a resistance welding structure when the welded member 1C according to the third embodiment is used.
  • the member to be welded 1 ⁇ / b> C according to the third embodiment and the other member to be welded 5 are integrally joined via the projection 3.
  • the bending portion 7 that can be inserted into the recess 2 formed in the member to be welded 1C according to the third embodiment. The one formed with is used.
  • Each member is joined by abutting the projection 3 formed on the welded member 1 ⁇ / b> C according to the third embodiment with the outer surface 8 of the curved portion 7.
  • the resistance welder the one shown in FIG. 8 can be used, and joining can be performed using the same resistance welding method as that when the welded member 1A according to the first embodiment is used.
  • FIGS. 9 to 15 the resistance welding machine of FIG. 8 is used, and a required welding member is sandwiched between the movable electrode 30 and the fixed electrode 31 to apply pressure and perform resistance welding.
  • the gist of the present invention is not limited to this, and a required resistance welding structure can be obtained by so-called parallel welding in which the movable electrode 30 and the fixed electrode 31 are arranged in parallel.
  • FIG. 16 is a diagram showing a first example of this, the member to be welded 5 formed in a flat plate shape is placed on the receiving member 11, and the member to be welded according to the first embodiment is placed on the upper surface of the member to be welded 5. A 1A projection 3 is applied.
  • FIG. 17 is a diagram showing the second example. Contrary to the example of FIG. 16, the welded member 1 ⁇ / b> A according to the first embodiment is placed on the receiving member 11, and the welded workpiece according to the first embodiment is arranged. A member to be welded 5 formed in a flat plate shape is applied to the projection 3 formed on the member 1A. In this state, the movable electrode 30 is abutted against the upper surface of the member to be welded 1 ⁇ / b> A according to the first embodiment and the upper surface of the member to be welded 5 to apply the pressure P 1 , and a welding current is applied between the two movable electrodes 30. Supply. Thereby, the joining part 6 which consists of a solid-phase joining or a fusion
  • the cylindrical battery of this example is a secondary battery
  • the secondary battery 111 is an electrode group wound around a resin shaft 107 as shown in FIGS. 18 (a) and 18 (b).
  • a positive current collector 105 and a negative current collector 106 are attached to 108, and are housed in the battery container 101.
  • the negative electrode is connected to the negative electrode current collector 106 by welding or the like, and is electrically connected to the battery container 101 via the negative electrode lead 110.
  • the resistance welding structure, the resistance welding method, and the member to be welded according to the present invention are used for joining the battery container 101 and the negative electrode lead 110. That is, the concave portion 2 and the projection 3 are formed in the negative electrode lead 110, and after the electrode group 108, the positive electrode current collector component 105, and the negative electrode current collector component 106 are accommodated in the battery container 101, the center of the shaft core 107 is formed.
  • the resistance welding electrode is brought into contact with the concave portion 2 of the negative electrode lead 110 through the resistance welding electrode, and the resistance welding electrode is brought into contact with the outside of the bottom surface of the battery container 101.
  • the projection 3 of the bottom and the negative electrode lead 110 is welded at the joint 6. Thereafter, an electrolytic solution is injected into the battery container 101.
  • the upper lid portion On the positive electrode current collecting component 105, there is a conductive upper lid portion provided so as to seal the opening of the battery container 101, and the upper lid portion includes an upper lid 103 and an upper lid case 104.
  • One of the positive lead 109 is welded to the upper lid case 104 and the other is welded to the positive current collecting part 105, whereby the upper lid portion and the positive electrode of the electrode group 108 are electrically connected.
  • a gasket 102 is provided between the battery container 101 and the upper cover case 104, and the gasket 102 seals the opening of the battery container 101 and electrically insulates the battery container 101 and the upper cover case 104.
  • the secondary battery 111 is configured.
  • FIGS. 19A and 19B a resistance welding structure and a resistance welding method according to the present invention and an AC generator for a vehicle to which a member to be welded is applied will be described.
  • the stator coil 203 is provided on the stator core 203 on the fixed side, and the pole core 202 provided with the magnetic field coil 211 on the rotation side is rotated.
  • a cooling centrifugal fan 201 is joined to the pole core 202.
  • the resistance welding structure, the resistance welding method, and the member to be welded according to the present invention are used for joining the cooling centrifugal fan 201 and the pole core 202 to each other.
  • the concave portion 2 and the projection 3 are formed in the cooling centrifugal fan 201, the projection 3 formed in the cooling centrifugal fan 201 is brought into contact with the pole core 202, and the concave portion 2 formed in the cooling centrifugal fan 201 is formed.
  • a resistance welding electrode (not shown) is brought into contact with the bottom surface of the pole core 202 and the pole core 202, a welding current is supplied to the resistance welding electrode, and the contact surface of the projection 3 and the pole core 202 is joined by electrical resistance heat during energization.
  • the cooling centrifugal fan 201 a plurality of projections 3 are formed at equal intervals around the rotation center. In the embodiment, the number of projections 3 is six.
  • the cooling centrifugal fan 201 and the pole core 202 are joined simultaneously for the plurality of projections 3. Thereby, work efficiency can be improved and the joining quality of each joining part 6 can be made uniform.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)
  • Forging (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Body Structure For Vehicles (AREA)
PCT/JP2011/057804 2010-04-01 2011-03-29 抵抗溶接構造及び抵抗溶接方法並びに被溶接部材及びその製造方法 Ceased WO2011125649A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201180017304.3A CN102834215B (zh) 2010-04-01 2011-03-29 电阻焊接结构与电阻焊接方法和被焊接部件及其制造方法
EP11765549.8A EP2554320A4 (en) 2010-04-01 2011-03-29 Resistance welded structure, resistance welding method, welded member and manufacturing method thereof
US13/638,825 US20130020301A1 (en) 2010-04-01 2011-03-29 Resistance welding structure, resistance welding method, member to be welded and manufacturing method thereof
EP25173911.6A EP4585348A3 (en) 2010-04-01 2011-03-29 Resistance welded structure, resistance welding method, welded member and manufacturing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010085283A JP5612348B2 (ja) 2010-04-01 2010-04-01 抵抗溶接構造及び抵抗溶接方法並びに被溶接部材及びその製造方法
JP2010-085283 2010-04-01

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WO2011125649A1 true WO2011125649A1 (ja) 2011-10-13

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US (1) US20130020301A1 (enExample)
EP (2) EP2554320A4 (enExample)
JP (1) JP5612348B2 (enExample)
CN (1) CN102834215B (enExample)
WO (1) WO2011125649A1 (enExample)

Cited By (3)

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US20120156561A1 (en) * 2010-12-16 2012-06-21 Hitachi Vehicle Energy, Ltd. Welded Construction and Resistance Welding Method
JP2013158817A (ja) * 2012-02-07 2013-08-19 Honda Motor Co Ltd 金属板の接合方法及び溶接構造体
JP2022001380A (ja) * 2020-06-19 2022-01-06 キヤノン株式会社 溶接方法、異種金属接合部材、インレットユニット及び画像形成装置

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JP5769090B2 (ja) * 2012-03-19 2015-08-26 青山　省司 プロジェクションボルトの溶接方法
US8991030B2 (en) * 2012-04-06 2015-03-31 GM Global Technology Operations LLC Forming method for projection welding projections
JP2014241680A (ja) * 2013-06-11 2014-12-25 矢崎総業株式会社 電線の端子接合構造及び抵抗溶接用電極
DE112016006274T5 (de) * 2016-01-22 2018-10-04 Futaba Industrial Co., Ltd. Rahmenelement und Verfahren zum Herstellen eines Rahmenelements
CN107305939B (zh) * 2016-04-25 2021-12-03 松下知识产权经营株式会社 电池
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