WO2020183629A1 - 鋳造製品、構造物および鋳造製品の製造方法 - Google Patents

鋳造製品、構造物および鋳造製品の製造方法 Download PDF

Info

Publication number
WO2020183629A1
WO2020183629A1 PCT/JP2019/010162 JP2019010162W WO2020183629A1 WO 2020183629 A1 WO2020183629 A1 WO 2020183629A1 JP 2019010162 W JP2019010162 W JP 2019010162W WO 2020183629 A1 WO2020183629 A1 WO 2020183629A1
Authority
WO
WIPO (PCT)
Prior art keywords
tip
cast
axial direction
mold
metal material
Prior art date
Application number
PCT/JP2019/010162
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
俊三 青山
Original Assignee
株式会社アーレスティ
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 株式会社アーレスティ filed Critical 株式会社アーレスティ
Priority to PCT/JP2019/010162 priority Critical patent/WO2020183629A1/ja
Priority to JP2021504694A priority patent/JP7105366B2/ja
Publication of WO2020183629A1 publication Critical patent/WO2020183629A1/ja

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
    • 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
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding

Definitions

  • the present invention relates to a method for manufacturing a cast product, a structure, and a cast product in which a bonded tip is cast and wrapped in a cast metal material.
  • Patent Document 1 There is a technique for joining a cast metal material and a mating member (Patent Document 1).
  • the present invention has been made in order to meet the above-mentioned requirements, and an object of the present invention is to provide a casting product, a structure, and a method for manufacturing a casting product, which can prevent burrs due to a cast metal material from being generated on a joint surface.
  • the cast product of the present invention comprises a joining tip made of an iron-based metal and a joining tip having an axially oriented regulating surface along one virtual axis orthogonal to the joining surface, and the above.
  • a non-ferrous metal cast metal material in which the joint tip is cast and wrapped so as to be in contact with the regulation surface is provided, and the joint tip has a head whose surface is the joint surface and the head in the axial direction.
  • the leg portion is provided with a leg portion protruding from the back surface of the metal material, the leg portion is provided with a tip portion away from the back surface portion, and the cast metal material holds the joint tip in a state where the joint surface and the tip portion are exposed. It is provided with a cast-wrapped portion, and the axial rigidity of the leg portion is lower than the axial rigidity of the head portion.
  • a joining chip having a joining surface made of an iron-based metal and a regulating surface facing an axial direction along one virtual axis orthogonal to the joining surface, and the regulating surface.
  • a method of manufacturing a cast product comprising a cast metal material made of non-ferrous metal in which the joint tip is cast and wrapped so as to be in contact with the joint surface between the first mold and the second mold in which the joint surface is in contact. The first mold and the second mold are brought close to each other in the axial direction with the joining tip sandwiched between the two, thereby compressing and deforming the joining tip in the axial direction, and the deformation step.
  • a casting step in which a molten metal is cast into a cavity formed between the first mold and the second mold, and the bonded tip is cast and wrapped with a cast metal material formed by cooling the cast molten metal. To be equipped.
  • the joint chip cast and wrapped in the cast metal material is axially oriented. It can be hard to come off. Further, the joint tip is cast and wrapped in the casting portion in a state where the joint surface of the head and the tip portion of the leg portion protruding from the back surface of the head in the axial direction are exposed. Therefore, when casting the cast metal material, the joint surface and the tip of the leg can be brought into contact with the mold, and the joint tip can be sandwiched in the axial direction by the mold.
  • the leg portion Since the axial rigidity of the leg portion is lower than the axial rigidity of the head portion, the leg portion can be easily compressed and deformed in the axial direction when the joining tip is sandwiched in the axial direction by the mold. Since the joint surface can be pressed against the mold by the reaction force at the time of deformation of the leg portion, it is possible to prevent burrs due to the cast metal material from being generated on the joint surface during casting.
  • the legs arranged on the outside in the direction perpendicular to the axis perpendicular to the virtual axis include an inner surface facing the virtual axis and an outer surface opposite to the inner surface. Since at least a part of the inner and outer surfaces in the axial direction of the legs are separated from the virtual axis toward the tip, when the joining tip is sandwiched in the axial direction, the legs of the separated parts are separated from the leaf spring or the disc spring. It can be compressed and deformed in the axial direction. As a result, it is possible to secure a reaction force at the time of deformation of the leg portion that presses the joint surface against the mold, so that burrs can be less likely to occur on the joint surface at the time of casting.
  • the outer surface of the leg which widens away from the virtual axis toward the tip, is at least a part of the regulatory surface in contact with the cast metal material, and the entire leg having that outer surface covers the entire circumference of the virtual axis. It is formed in a tubular shape that surrounds it. Even if a load is applied to the joint tip on the joint surface side in the axial direction with respect to the cast metal material, it is possible to make it difficult for the joint tip to be deformed so that the outer surface of the leg that expands toward the tip is narrowed. Can be made more difficult to pull out from the cast metal material. As a result, the bonding strength between the bonding tip and the cast metal material can be improved.
  • the joining tip cast and wrapped in the casting portion is a plastic deformation of the leg portion of the self-piercing rivet in which the cylindrical leg portion protrudes from the back surface of the head. Since the self-piercing rivet can be diverted to the joining tip, the cost required for the joining tip can be reduced as compared with the case of using the joining tip manufactured as a special product for casting and wrapping in a cast metal material.
  • the cast metal material includes an outer portion of the casting package portion that is connected to the outer side in a direction perpendicular to the axis perpendicular to the virtual axis. Since the axial thickness of the casting package portion is thicker than the axial thickness of the outer portion, the strength and rigidity of the cast metal material around the joining tip can be increased. As a result, the bonding strength between the bonding tip and the cast metal material can be further improved.
  • the structure according to claim 6 includes the cast product according to any one of claims 1 to 5 and an iron-based metal mating member to be joined to the joint surface of the cast product, and claims 1 to 5 It has the same effect as any of the above.
  • the method for manufacturing a cast product according to claim 7 is in contact with a bonding tip made of an iron-based metal having a bonding surface, a regulating surface oriented in the axial direction along one virtual axis orthogonal to the bonding surface, and a regulating surface. It is a method for manufacturing a cast product provided with a cast metal material made of non-ferrous metal in which a bonded chip is cast and wrapped. In the deformation step, the first mold and the second mold are brought close to each other in the axial direction orthogonal to the joint surface with the joint chip sandwiched between the first mold and the second mold in which the joint surfaces of the joint chips are in contact. As a result, the bonding tip is compressed and deformed in the axial direction.
  • the molten metal is cast into the cavity formed between the first mold and the second mold by the deformation step, and the cast metal material formed by cooling the cast molten metal is used to form a bonded tip.
  • Cast and wrap In the casting step, the joining tip can be cast and wrapped with a cast metal material in a state where the joining surface is pressed against the first mold by the reaction force when the joining tip is compressionally deformed by the deformation step. As a result, when casting the cast metal material, burrs due to the cast metal material can be less likely to occur between the mold and the joint surface.
  • the joining tip includes a head whose front surface is a joining surface, and legs protruding from the back surface of the head in the axial direction.
  • the legs arranged on the outside in the direction perpendicular to the virtual axis are provided with a tip portion away from the back surface, an inner surface facing the virtual axis, and an outer surface on the opposite side to the inner surface.
  • the tip portion is pressed against the second mold by the axial approach between the first mold and the second mold, so that the virtual shaft as at least a part of the inner and outer surfaces in the axial direction of the leg toward the tip portion.
  • the outer surface in contact with the cast metal material can be overhanged in the direction perpendicular to the axis after the casting process, and the amount of the overhang can be increased, so that the joint tip after the casting process cannot be easily pulled out from the cast metal material in the axial direction. ..
  • the joint surface can be pressed against the first mold by the reaction force at the time of plastic deformation of the leg portion.
  • the work of forming the legs in a shape that makes it difficult for the joint tip to come off from the cast metal material after the casting process and the work of pressing the joint surface against the first mold can be performed at the same time, so that the manufacturing process of the cast product can be performed. Can be simplified.
  • an inclined surface that inclines downward as the distance from the virtual axis is provided at a portion where the leg portion is pressed by the deformation process.
  • the legs can be plastically deformed along the inclined surface, so that the variation in the shape of the legs after the plastic deformation can be reduced. As a result, the stability of the quality of the cast product can be improved.
  • the legs are formed in a tubular shape that surrounds the virtual axis at least in a part in the axial direction.
  • the joint surface is brought into contact with the first type to bring the first type and the second type closer in the axial direction. It is possible to prevent the joining tip from being cast and wrapped in a displaced position. As a result, the positioning accuracy of the bonded insert with respect to the cast metal material can be improved, and the stability of the quality of the cast product can be improved.
  • (A) is a plan view of the structure in which the mating side member is joined to the cast product in the first embodiment
  • (b) is a cross-sectional view of the structure in line Ib-Ib of FIG. It is sectional drawing of the joining tip and a mold before deformation. It is sectional drawing of the bonding tip and a mold after deformation. It is sectional drawing of the joining tip and the mold before deformation in 2nd Embodiment.
  • (A) is a cross-sectional view of a bonded tip and a mold after deformation
  • (b) is a cross-sectional view of a structure in which a mating member is joined to a cast product.
  • (A) is a perspective view of the joining tip in the third embodiment
  • (b) is a cross-sectional view of the joining tip and the mold after deformation
  • (c) is a structure in which a mating member is joined to a cast product. It is a cross-sectional view of an object.
  • the structure 1 is a cast product 10 to which a mating member 2 is joined.
  • a plurality of (two in this embodiment) joining tips 20 are cast and wrapped in the cast metal material 11.
  • the cast metal material 11 is made of a non-ferrous metal such as aluminum, magnesium, zinc, and an alloy containing them as a main component, which is particularly difficult to weld to an iron-based metal.
  • the cast metal material 11 is made of an aluminum alloy.
  • the joining tip 20 and the mating member 2 are made of iron-based metal.
  • the cast metal material 11 is formed in a plate shape in which the first surface 12 faces the mating member 2.
  • the cast metal material 11 has an annular casting package portion 14 provided around the joining tip 20 and an outer portion 15 connected to the outer circumference of the casting packaging portion 14 (outside in a direction perpendicular to the axis perpendicular to the virtual axis A described later). I have.
  • the casting packaging portion 14 projects from the outer portion 15. That is, in the thickness of the cast metal material 11 from the first surface 12 to the second surface 13, the thickness T1 of the casting package portion 14 is thicker than the thickness T2 of the outer portion.
  • the joining tip 20 includes a disc-shaped head 21 and a tubular leg portion 25 projecting from the head 21, and they are integrally molded.
  • the surface of the head 21 is a joint surface 22 exposed from the first surface 12 in a state where the joint tip 20 is cast and wrapped in the cast metal material 11.
  • the joint surface 22 and the first surface 12 are located on the same plane.
  • a nugget N is formed at the interface between the joint surface 22 and the mating surface member 2, and the joint surface 22 and the mating surface 22 and the mating surface 22 are formed.
  • the side member 2 is joined.
  • the diameter of the first regulation surface 24 (a part of the regulation surface), which is the outer peripheral surface of the head 21, is reduced from the joint surface 22 toward the back surface 23 of the head 21. That is, the first regulation surface 24 faces the side opposite to the joint surface 22 (the mating side member 2) in the axial direction D along one virtual axis A orthogonal to the joint surface 22. In this embodiment, the virtual axis A passes through the center of the joint surface 22. Since the cast metal material 11 is in contact with the first regulation surface 24, the joining tip 20 can be immovably restrained to the cast metal material 11 on the side opposite to the mating side member 2 in the axial direction D. Therefore, even if a load is applied in the direction in which the mating side member 2 and the cast metal material 11 approach each other, it is possible to prevent the joining tip 20 from coming off from the cast metal material 11.
  • the mating side member 2 since the mating side member 2 is in contact with the first surface 12 of the cast metal material 11, the mating side member 2 and the cast metal material 11 do not come closer to each other. Therefore, the first regulation surface 24 can be omitted.
  • the leg portion 25 is a portion that protrudes from the back surface 23 of the head 21 in the axial direction D.
  • the legs 25 are arranged on the outside in the direction perpendicular to the axis perpendicular to the virtual axis A, and the entire axial direction D is formed in a tubular shape that surrounds the virtual axis A over the entire circumference.
  • the axial direction D is the same as the thickness direction of the cast metal material 11.
  • the joining tip 20 is formed axially symmetric with respect to the virtual axis A.
  • the leg portion 25 includes a tip portion 26 separated from the back surface 23, an inner surface 27 facing the virtual axis A, and an outer surface 28 opposite to the inner surface 27.
  • the head portion 21 and the leg portion 25 are cast on the casting portion 14 over the entire circumference around the virtual axis A. It is wrapped.
  • the bonding tip 20 can be immovably restrained on the cast metal material 11 in the direction perpendicular to the axis of the virtual axis A.
  • the inner surface 27 and the outer surface 28 are widened so as to be separated from the virtual axis A as the entire axial direction D is directed toward the tip portion 26. Since the leg portion 25 is formed in the shape of a disc spring in this way, the rigidity of the leg portion 25 in the axial direction D can be made lower than the rigidity of the head portion 21 in the axial direction D.
  • Part of the inner surface 27 and the back surface 23 is exposed from the second surface 13. Therefore, when resistance welding (particularly direct spot welding) is performed on the mating tip 20 to the mating member 2, one electrode (not shown) is applied to the mating member 2 while the other electrode (not shown) is applied. It can be applied to the inner surface 27 and the back surface 23. Since it is possible to prevent foreign materials such as non-ferrous metals from being sandwiched between the electrode and the bonding tip 20, the barrier between the bonding surface 22 of the bonding tip 20 and the electrode can be reduced, and high-quality resistance welding is performed. be able to.
  • the outer surface 28 that expands away from the virtual axis A toward the tip 26 is a second regulation surface (a part of the regulation surface) facing the joint surface 22 (counterpart member 2) side in the axial direction D. Since the cast metal material 11 is in contact with the outer surface 28, the joining tip 20 can be immovably restrained to the mating side member 2 side in the axial direction D. Therefore, even if a load is applied in the direction in which the mating side member 2 and the cast metal material 11 are separated from each other, it is possible to prevent the joining tip 20 from coming off from the cast metal material 11. As a result, the bonding strength between the cast metal material 11 and the bonding tip 20 can be secured.
  • leg portion 25 whose outer surface 28 expands toward the tip portion 26 is formed in a tubular shape, a load in the direction in which the mating side member 2 and the cast metal material 11 are separated (axial direction D) is applied to the joining tip 20.
  • axial direction D a load in the direction in which the mating side member 2 and the cast metal material 11 are separated.
  • the bonding tip 20 can be made difficult to come off from the cast metal material 11, and the bonding strength between the cast metal material 11 and the bonding tip 20 can be improved.
  • the thickness T1 of the cast packaging portion 14 around the joint tip 20 is thicker than the thickness T2 of the outer portion 15, the strength and rigidity of the cast metal material 11 around the joint tip 20 can be increased. As a result, when a load is applied in the direction in which the bonding tip 20 comes off, the casting package portion 14 can be made difficult to break, so that the bonding strength between the cast metal material 11 and the bonding tip 20 can be improved. Further, since the thickness T2 of the outer portion 15 can be reduced, the weight of the cast metal material 11 can be reduced.
  • the shape of the leg portion 25 of the joint tip 20 is different from that of the joint tip 20 cast and wrapped in the cast metal material 11 shown in FIG. 1 (b).
  • the joining tip 20 before mold clamping is a self-piercing rivet before plastic deformation
  • the leg portion 25 is formed in a cylindrical shape having a substantially constant outer diameter of the outer surface 28.
  • the inner surface 27 of the joint tip 20 before mold clamping (before plastic deformation) has a part of the inner diameter on the tip 26 side gradually increasing toward the tip 26, and the other inner diameter is formed to be substantially constant. ..
  • the self-piercing rivet is, for example, plastically deformed so that the tip of the cylindrical leg 25 spreads outward in the direction perpendicular to the axis by driving into the upper member of the two members stacked vertically.
  • the widened tip bites into the lower member to join the two members.
  • the mold 30 for molding the cast metal material 11 is a die-cast mold configured so that a molten metal of a non-ferrous metal such as an aluminum alloy, a magnesium alloy, or a zinc alloy is cast.
  • the mold 30 includes a fixed mold 30a (first mold) and a movable mold 30c that can be clamped and opened by moving relative to the fixed mold 30a in the axial direction D.
  • the cavity 31 is formed between the molding surface 30b of the fixed mold 30a and the molding surface 30d of the movable mold 30c.
  • the first surface 12 of the cast metal material 11 is formed by the molding surface 30b, and the second surface 13 of the cast metal material 11 is mainly formed by the molding surface 30d.
  • a mounting hole 30e that opens in the molding surface 30d is formed through in the axial direction D.
  • the holding device 32 is fitted in the mounting hole 30e, and the holding device 32 is fixed to the movable type 30c.
  • the holding device 32 is a device for holding the joining tip 20 at a predetermined position in the cavity 31. When the joining tip 20 is cast and wrapped in a plurality of places of the cast metal material 11, the holding device 32 is provided at each position where the joining tip 20 is cast and wrapped.
  • the holding device 32 includes a tubular main body 33 (second type) that is fitted and fixed in the mounting hole 30e of the movable type 30c, and a shaft-shaped holding portion 34 that partially protrudes from the main body 33 toward the fixed type 30a.
  • a tubular main body 33 (second type) that is fitted and fixed in the mounting hole 30e of the movable type 30c, and a shaft-shaped holding portion 34 that partially protrudes from the main body 33 toward the fixed type 30a.
  • the shaft-shaped stopper portion 36 protruding from the sliding portion 35 to the opposite side of the holding portion 34, and the stopper portion 36.
  • a coil spring 37 arranged in the above, a pressing plate 38 for pressing the coil spring 37 against the sliding portion 35, and a bolt 39 for fastening the pressing plate 38 to the main body 33 are provided.
  • the main body 33 is a part of the mold 30, and a part of the cavity 31 is formed by the molding surface 33c at one end in the axial direction.
  • the central axis of the tubular main body 33 is the same as the virtual axis A of the joining tip 20 set in the holding device 32.
  • the inner peripheral surface of the main body 33 includes a small-diameter inner surface 33a that opens into the molding surface 33c, and a large-diameter inner surface 33b that has an inner diameter larger than that of the small-diameter inner surface 33a.
  • the large-diameter inner surface 33b is connected to the small-diameter inner surface 33a via a step, and is open to the axial end surface on the side opposite to the molding surface 33c.
  • the molding surface 33c includes an inclined surface 33d that inclines downward as it moves away from the virtual axis A (small diameter inner surface 33a), and a concave surface 33e that is continuous with the outer peripheral edge of the inclined surface 33d.
  • the outer peripheral edge portion is formed on the same surface as the molding surface 30d.
  • the inclined surface 33d and the concave surface 33e are formed over the entire circumference around the virtual axis A.
  • the concave surface 33e is a portion recessed in the axial direction D with respect to the outer peripheral side thereof (the outer peripheral edge portion of the molding surface 33c and the molding surface 30d).
  • the concave surface 33e forms a casting portion 14 having a thickness T1 thicker than the thickness T2 of the outer portion 15.
  • the holding portion 34 is a shaft-shaped member that is inserted into the small diameter inner surface 33a and partially protrudes from the molding surface 33c.
  • the holding portion 34 includes an axial tip 34a into which the inner surface 27 of the leg portion 25 of the joint tip 20 before molding is fitted, and a base end 34b on the side opposite to the tip 34a in the axial direction.
  • the sliding portion 35 is a portion fixed around the base end 34b and slides in the axial direction with respect to the large diameter inner surface 33b.
  • the amount of protrusion of the holding portion 34 from the molding surface 33c changes as the sliding portion 35 slides.
  • the sliding portion 35 hits the step between the large diameter inner surface 33b and the small diameter inner surface 33a, the amount of protrusion of the holding portion 34 from the molded surface 33c is maximized. Due to the elastic force of the coil spring 37 sandwiched between the holding plate 38 that closes the opening of the main body 33 by the large diameter inner surface 33b and the sliding portion 35, the sliding portion is formed on the step between the large diameter inner surface 33b and the small diameter inner surface 33a. 35 is pressed.
  • the stopper portion 36 connected to the sliding portion 35 is provided so that the tip 34a does not completely enter the small diameter inner surface 33a. It hits the presser plate 38 and restricts the movement of the sliding portion 35. As a result, it is possible to prevent the molten metal from entering the inside of the small diameter inner surface 33a.
  • the holding portion 34 is inserted into the leg portion 25 of the joining tip 20, and the joining tip 20 is set in the holding portion 34. ..
  • the joint surface 22 of the bonding tip 20 comes into contact with the molding surface 30b of the fixed mold 30a as shown in FIG. To do.
  • the sliding portion 35 slides in the large diameter inner surface 33b while the coil spring 37 is compressed.
  • the tip portion 26 of the leg portion 25 hits the inclined surface 33d of the molding surface 33c.
  • the fixed mold 30a, the movable mold 30c, and the main body 33 are further brought closer to each other (deformation step). Then, as shown in FIG. 3, the fixed mold 30a, the movable mold, while the leg portion 25 pressed against the inclined surface 33d is plastically deformed along the inclined surface 33d, that is, the leg portion 25 is compressively deformed in the axial direction D.
  • the cavity 31 is formed by the 30c and the main body 33.
  • the rigidity of the leg portion 25 is set low so that the fixed mold 30a and the main body 33 are hardly deformed.
  • the molten metal is cast into the cavity 31, and the bonded chip 20 is cast with the cast metal material 11 formed by cooling the cast molten metal (casting step) to manufacture the cast product 10. ..
  • the dimensions between the fixed mold 30a sandwiching the bonding tip 20 in the axial direction D and the main body 33 may increase due to the influence of thermal expansion of the mold 30 due to the high-temperature molten metal. Further, by repeating the deformation step and the casting step, the dimensions between the fixed mold 30a sandwiching the joining tip 20 and the main body 33 may gradually increase. However, since the casting process is performed in a state where the leg portion 25 is compressionally deformed (plastic deformation and elastic deformation) in the axial direction D, the space between the fixed mold 30a and the main body 33 expands due to the elastic reaction force during the compression deformation.
  • the joint surface 22 can be pressed against the fixed mold 30a so that the gap between the joint surface 22 and the fixed mold 30a is not widened.
  • the bonding tip 20 can be cast and wrapped with the cast metal material 11 while maintaining the state in which the bonding surface 22 is pressed against the fixed mold 30a, so that the molten metal penetrates into the gap between the bonding surface 22 and the fixed mold 30a. It is possible to make it difficult for burrs due to the cast metal material 11 to occur on the joint surface 22.
  • the inner surface 27 and the outer surface 28 of the leg portion 25 are separated from the virtual axis A as they move toward the tip portion 26, and between the fixed mold 30a and the main body 33.
  • the leg portion 25 is sandwiched between the two. Since the disc spring-shaped portion away from the virtual shaft A is compressionally deformed in the axial direction D, it is possible to secure a reaction force at the time of deformation of the leg portion 25 for pressing the joint surface 22 against the fixed mold 30a in the casting process. As a result, burrs can be made less likely to occur on the joint surface 22 during casting.
  • the outer surface 28, which was parallel to the virtual axis A before the deformation process, can be projected in the direction perpendicular to the axis of the virtual axis A by the deformation process.
  • the joint tip 20 can be made difficult to come off from the cast metal material 11 in the axial direction D, and the joint surface 22 is fixed by the reaction force at the time of plastic deformation of the leg portion 25. It can be pressed against the mold 30a.
  • the work of forming the leg portion 25 into a shape that makes it difficult for the joint tip 20 to come off from the cast metal material 11 and the work of pressing the joint surface 22 against the fixed mold 30a can be performed at the same time by the deformation step.
  • the manufacturing process of the product 10 can be simplified.
  • the leg portion 25 can be pressed against the inclined surface 33d that inclines downward as it moves away from the virtual axis A, and the leg portion 25 can be plastically deformed along the inclined surface 33d, so that the leg portion after plastic deformation can be plastically deformed.
  • the variation in the shape of 25 can be reduced.
  • the stability of the quality of the cast product 10 can be improved in that the variation in the bonding strength between the bonding tip 20 and the cast metal material 11 can be reduced.
  • the stability of the quality of the structure 1 can be improved in that the variation in the bonding strength between the cast metal material 11 and the mating member 2 via the bonding tip 20 can be reduced.
  • the joint surface 22 is brought into contact with the fixed mold 30a to be molded, so that the joint tip 20 is cast and wrapped at a displaced position. It can be prevented from being stowed.
  • the positional accuracy of the bonding tip 20 with respect to the cast metal material 11 can be improved, and the quality stability of the cast product 10 can be improved.
  • the cast product 10 can be resistance welded to an appropriate position of the mating member 2 via the joining tip 20, the stability of the quality of the structure 1 can be improved.
  • the tip portion 26 of the tubular leg portion 25 can be pressed against the main body 33 over the entire circumference by the reaction force at the time of the deformation.
  • the electrode is directly applied to the inner surface 27 or the back surface 23 without removing the cast metal material 11 adhering to the inner surface 27 or the back surface 23. High quality resistance welding can be performed.
  • the manufacturing method can be understood by checking the manufactured casting product 10 without actually checking the manufacturing method of the casting product 10.
  • the joint surface 22 is brought into contact with the fixed mold 30a, the tip portion 26 is brought into contact with the main body 33, and the joining tip 20 is placed in the axial direction D between the fixed mold 30a and the main body 33. I'm sandwiching it. Therefore, in the cast product 10 shown in FIG. 1B manufactured by this manufacturing method, the joint surface 22 and the tip portion 26 are exposed from the cast metal material 11.
  • the leg portion 25 is compression-deformed in the axial direction D during the manufacture of the cast product 10, the rigidity of the leg portion 25 in the axial direction D is larger than the rigidity of the head portion 21 in the axial direction D of the manufactured cast product 10. Low.
  • the cast product 10 can be manufactured by the above-mentioned manufacturing method in which the casting process is performed while pressing the joint surface 22 against the fixed mold 30a by the elastic reaction force of the leg portion 25 that has been compressed and deformed in the axial direction D.
  • the cast product 10 in which the joint surface 22 and the tip portion 26 are exposed from the cast metal material 11 and the rigidity of the leg portion 25 in the axial direction D is lower than the rigidity of the head portion 21 in the axial direction D, the cast product During casting of 10, burrs due to the cast metal material 11 can be less likely to occur on the joint surface 22.
  • the casting process is performed with the joining tip 20 sandwiched between the fixed mold 30a and the main body 33, and the cast metal material 11 adheres to the periphery of the joining tip 20, so that the legs of the cast product 10 after production are formed.
  • the shape of the leg 25 is substantially the same as the shape of the leg 25 after the deformation step and during the casting step. Therefore, since the inner surface 27 and the outer surface 28 of the manufactured casting product 10 are separated from the virtual axis A toward the tip portion 26, the leg portion 25 that can be compressed and deformed in the axial direction D like a disc spring is axially D. It can be seen that the casting process was carried out by compression deformation.
  • the leg portion 25 of the cast product 10 it is possible to secure a reaction force at the time of deformation of the leg portion 25 for pressing the joint surface 22 against the fixed mold 30a at the time of manufacturing the cast product 10. Burrs can be made less likely to occur on the joint surface 22.
  • the joining tip 20 cast and wrapped in the cast metal material 11 is a plastic deformation of the leg portion 25 of the self-piercing rivet in which the cylindrical leg portion 25 protrudes from the back surface 23 of the head 21. Since the self-piercing rivet can be diverted to the joining tip 20, the cost required for the joining tip 20 can be reduced as compared with the case where the joining tip 20 manufactured as a special product for casting and wrapping in the cast metal material 11 is used. Further, by using the self-piercing rivet which has been subjected to the electrolytic corrosion prevention treatment for the bonding tip 20, the bonding tip 20 and the cast metal material 11 can be easily and stably prevented from electrolytic corrosion.
  • the self-piercing rivet is originally driven into two members, and the two legs 25 are plastically deformed so that the inner surface 27 and the outer surface 28 of the leg 25 move away from the virtual axis A toward the tip 26. It joins members. Since the self-piercing rivet (joining tip 20) having the same shape as this original usage is cast and wrapped with the cast metal material 11, the joining strength between the joining tip 20 and the cast metal material 11 is originally determined by the self-piercing rivet. It can be easily estimated from the bonding strength obtained by the method of use.
  • the joining tip 40 before molding includes a head 21 having a joining surface 22 and a leg portion 41 protruding from the back surface 23 of the head 21 in the axial direction D. Is integrally molded.
  • the legs 41 are arranged outside the virtual axis A in the direction perpendicular to the axis.
  • the leg portion 41 is provided on the back surface 23 side of the axial direction D and surrounds the virtual axis A over the entire circumference, and the leg portion 41 projects in the axial direction D from a part of the end surface of the tubular portion 42 in the axial direction D. It is provided with a protruding piece 43.
  • the tubular portion 42 has a cylindrical shape centered on the virtual axis A, and an inner surface 42a facing the virtual axis A and an outer surface 42b on the opposite side of the inner surface 42a are formed substantially parallel to the virtual axis A.
  • the holding portion 34 is inserted into the inner surface 42a of the tubular portion 42.
  • the protruding piece 43 is a portion that is mainly compressed and deformed in the axial direction D during the deformation step.
  • the protruding piece 43 includes a tip portion 26 separated from the back surface 23, an inner surface 45 facing the virtual axis A, and an outer surface 46 opposite to the inner surface 45.
  • the inner surface 45 and the outer surface 46 are continuous with the inner surface 42a and the outer surface 42b of the tubular portion 42 in the axial direction D, respectively.
  • the inner surface 45 and the outer surface 46 are widened so as to be separated from the virtual axis A as the entire axial direction D is directed toward the tip portion 26. Since the protruding piece 43 (a part of the leg portion 41) is formed in a leaf spring shape in this way, the axial rigidity of the protruding piece 43 can be made lower than the axial rigidity of the head portion 21 and the tubular portion 42. ..
  • the mold 50 for molding the cast metal material 48 (see FIG. 5B) into which the joining tip 40 is cast and wrapped is a fixed mold 50a (first mold) and an axial direction D with respect to the fixed mold 50a.
  • a movable mold 50b that can be molded and opened by moving relative to the vertical direction (left and right direction on the paper surface in FIG. 4), and a mold by moving relative to the axial direction D in the mounting hole 30e provided in the movable mold 50d.
  • a fastening device 52 that can be tightened is provided.
  • a cavity 31 is formed between the molding surface 30b of the fixed mold 50a and the molding surface 30d of the movable mold 50b.
  • the holding device 52 is inserted into the mounting hole 30e that opens in the molding surface 30d of the movable mold 50b.
  • the main body 53 (second type) of the holding device 52 is a moving core that moves in the axial direction D different from the mold clamping direction of the fixed type 50a and the movable type 50b, and the entire holding device 52 is a hydraulic cylinder (not shown). ) Moves in the axial direction D.
  • the main body 53 is a tubular member centered on the virtual axis A of the joining tip 40 held by the holding portion 34 of the holding device 52.
  • the molding surface 54 which is one end in the axial direction of the main body 53, is formed on a plane perpendicular to the virtual axis A.
  • the fixed mold 50a and the movable mold 50b are molded.
  • the holding device 52 and the joining tip 40 are put in the mounting holes 30e so that the joining tip 40 held by the holding device 52 does not come out from the molding surface 30d to the fixed mold 50a side.
  • the main body 53 is axially directed toward the molding surface 30b of the fixed mold 50a until the molding surface 54 of the main body 53 is flush with the molding surface 30d of the movable mold 50b.
  • the cavity 31 is formed (deformation step).
  • the main body 53 is further molded from the state where the tip portion 26 of the protruding piece 43 hits the molding surface 54. It is approaching the surface 30b. Then, since the rigidity of the projecting piece 43 in the axial direction D is lower than the rigidity of the head 21 and the tubular portion 42 in the axial direction D, the projecting piece that was in the state shown by the alternate long and short dash line in FIG. 5A before the mold clamping. 43 is compressed and deformed in the axial direction D. After the deformation step, the spread of the inner surface 45 and the outer surface 46 is larger than that before the deformation step.
  • a molten metal is cast into the cavity 31, and the joining tip 40 is cast with a cast metal material 48 (casting part) formed by cooling the cast molten metal (casting step).
  • the cast product 47 is manufactured.
  • the structure 49 is manufactured by bringing the mating surface 22 into contact with the joint surface 22 of the cast product 47 and resistance welding the joint surface 22 and the mating member 2 to each other.
  • the mating member 2 and the joining chip 40 are made of an iron-based metal
  • the cast metal material 48 is made of a non-ferrous metal such as aluminum, magnesium, zinc, and an alloy containing them as main components.
  • the casting process is performed in a state where the joint surface 22 is pressed against the molding surface 30b of the fixed mold 50a by the reaction force of the protruding piece 43 compressed and deformed in the axial direction D, it melts in the gap between the joint surface 22 and the fixed mold 50a. It is possible to make it difficult for metal to penetrate and to make it difficult for burrs due to the cast metal material 48 to occur on the joint surface 22.
  • the protruding piece 43 protrudes from a part of the tubular portion 42 in the circumferential direction, the protruding piece 43 can be easily compressed and deformed in the axial direction D, and the reaction force at the time of the deformation can be further strengthened. As a result, burrs can be made less likely to occur on the joint surface 22 during casting.
  • the cast metal material 48 can be brought into contact with not only the outer surface 46 of the protruding piece 43 but also the inner surface 45. Then, the inner surface 45 (a part of the first regulation surface) and the outer surface 46 (the second regulation surface) are widened so as to be separated from the virtual axis A toward the tip portion 26, that is, the inner surface 45 and the outer surface 46 are formed. Since it faces both sides in the axial direction D, the bonding tip 40 can be immovably restrained in the cast metal material 48 in the axial direction D.
  • the cast metal material 48 is also in contact with the inner surface 45 of the protruding piece 43, even if a load in the direction in which the mating side member 2 and the cast metal material 48 are separated from each other is applied to the joining tip 40, as it goes toward the tip portion 26, It is possible to make it difficult to deform the projecting piece 43 so that the outer surface 46 away from the virtual axis A approaches the virtual axis A. As a result, the bonding tip 40 can be made more difficult to come off from the cast metal material 48, and the bonding strength between the cast metal material 48 and the bonding tip 40 can be further improved.
  • the joining tip 40 Since the joining tip 40 is cast and wrapped in the cast metal material 48 in a state where the spread of the inner surface 45 and the outer surface 46 is increased by the deformation process, the joining strength between the cast metal material 48 and the joining tip 40 is compared with the case where the spreading is small. Can be improved.
  • the work of forming the leg portion 41 into a shape that makes it difficult for the joint tip 40 to come off from the cast metal material 48 after the casting process and the work of pressing the joint surface 22 against the fixed mold 50a can be performed at the same time.
  • the manufacturing process of 47 can be simplified.
  • the portion in which the holding portion 34 is inserted becomes hollow in the cast product 47, and a part of the back surface 23 of the joining tip 40 is formed. And the inner surface 42a can be exposed from the cast metal material 48. Therefore, when the joining tip 40 is resistance welded to the mating side member 2, one electrode (not shown) is applied to the mating side member 2 while the other electrode (not shown) is applied to the inner surface 42a or the back surface 23. Can be done.
  • FIGS. 6 (a) to 6 (c) the third embodiment will be described with reference to FIGS. 6 (a) to 6 (c).
  • the first embodiment the case where the tubular leg portion 25 protrudes from the disc-shaped head portion 21 has been described.
  • the third embodiment a case where two plate-shaped legs 62 protrude from the square plate-shaped head 61 will be described.
  • the same parts as those in the first embodiment are designated by the same reference numerals, and the following description will be omitted.
  • the joining tip 60 before molding is a pair of a square plate-shaped head 61 having a joining surface 22 and a pair protruding from the back surface 23 of the head 61 in the axial direction D.
  • the legs 62, 62 are provided, and they are integrally molded.
  • the pair of legs 62, 62 are plate-shaped portions formed in a direction perpendicular to the axis perpendicular to the virtual axis A and extending in a specific direction, and sandwich the virtual axis A in a direction perpendicular to the specific direction. Facing each other.
  • the leg portion 62 includes a tip portion 26 separated from the back surface 23, an inner surface 27 facing the virtual axis A, and an outer surface 28 opposite to the inner surface 27.
  • the inner surface 27 and the outer surface 28 are widened so as to be separated from the virtual axis A as the entire axial direction D is directed toward the tip portion 26. Since the leg portion 62 is formed in a leaf spring shape in this way, the axial rigidity of the leg portion 62 can be made lower than the rigidity in the axial direction D of the head portion 61.
  • the mold 64 for molding the cast metal material 72 into which the bonding tip 60 is cast and wrapped is fixed with the fixed mold 65 (first mold). It includes a movable mold 66 (second mold) that can be molded by moving relative to the mold 65 in the axial direction D. By this mold clamping, a cavity 31 is formed between the fixed mold 65 and the movable mold 66.
  • a recess 67 recessed in the axial direction D is formed on the molding surface 30b of the fixed mold 65.
  • the fixed mold 65 is provided with a magnet 68 so as to be exposed at the bottom of the recess 67.
  • the joint surface 22 can be attracted to the bottom of the recess 67 by the magnetic force of the magnet 68, and the head 61 of the bonding tip 60 can be fixed to the recess 67.
  • the movable die 66 With the head 61 fitted in the recess 67, the movable die 66 is brought closer to the fixed die 65 in the axial direction D and molded, so that the joining tip 60 is moved to the axial direction D by the fixed die 65 and the movable die 66.
  • the leg portion 62 is compressed and deformed in the axial direction from the state shown by the alternate long and short dash line in FIG. 6B (deformation step). After the deformation step, the spread of the inner surface 27 and the outer surface 28 is larger than that before the deformation step.
  • the molten metal is cast into the cavity 31, and the joining tip 60 is cast with the cast metal material 72 (casting portion) formed by cooling the cast molten metal (casting step).
  • the casting product 71 is manufactured. Since the tip 26 of the leg 62 is pressed against the movable mold 66 during the casting process, a part of the tip 26 is linearly exposed from the second surface 13 of the cast metal material 72 in the manufactured casting product 71. doing.
  • the structure 70 is manufactured by bringing the mating surface 22 into contact with the joint surface 22 of the cast product 71 and resistance welding the joint surface 22 and the mating member 2 to each other.
  • the mating member 2 and the joining chip 60 are made of iron-based metal
  • the cast metal material 72 is made of non-ferrous metal such as aluminum, magnesium, zinc, and alloys containing them as main components. is there.
  • the leg portion 62 of the third embodiment is plate-shaped as compared with the first embodiment in which the leg portion 25 is tubular, the leg portion 62 can be easily compressed and deformed in the axial direction D, and the reaction force at the time of the deformation can be reduced. You can be strong. As a result, burrs can be made less likely to occur on the joint surface 22 during casting.
  • the leg portion 62 has a plate shape and the joining tip 60 is cast and wrapped in the cast metal material 72 over the entire circumference of the virtual shaft A, the outer surface of the leg portion 62 goes around the edge of the plate-shaped leg portion 62.
  • the cast metal material 72 can be brought into contact with not only the 28 but also the inner surface 27.
  • the legs are narrowed so that the outer surface 28 that has expanded toward the tip portion 26 is narrowed.
  • the portion 62 can be made difficult to be deformed, and the bonding strength between the cast metal material 72 and the bonding tip 60 can be further improved.
  • the casting process is performed with the head 61 fitted in the recess 67 of the fixed mold 65, a part of the head 61 can be projected from the first surface 12 of the cast metal material 72.
  • the joint surface 22 can be resistance welded to the mating member 2 in a state where the first surface 12 and the mating member 2 are separated from each other.
  • High quality resistance welding can be performed.
  • a sealing material for preventing electrolytic corrosion can be applied between the mating side member 2 and the cast metal material 72.
  • the casting process is performed with the head portion 61 fitted in the recess 67, it is possible to prevent the joining tip 60 from being cast and wrapped in a displaced position. As a result, the positional accuracy of the bonding tip 60 with respect to the cast metal material 72 can be improved, and the quality stability of the cast product 71 can be improved.
  • the present invention has been described above based on the embodiments, the present invention is not limited to the above embodiments, and it is easily inferred that various improvements and modifications can be made without departing from the spirit of the present invention. It can be done.
  • the number, spacing, position, etc. of burying 40, 60 may be appropriately set in relation to the cast metal materials 11, 48, 72 and the mating member 2.
  • the sizes and shapes of the joining tips 20, 40 and 60 may be set according to the shapes and sizes of the cast metal materials 11, 48 and 72 and the mating member 2.
  • the joint surface 22 of the joint chips 20, 40, and 60 is flat has been described, but the present invention is not limited to this, and the joint surface is curved or polyhedral in relation to the mating member 2.
  • the joint surface has a curved surface shape
  • the virtual axis A is an axis orthogonal to the tangent plane at a predetermined position of the curved surface of the portion exposed from the cast metal materials 11, 48, 72.
  • the virtual axis A is an axis orthogonal to a predetermined one surface of a portion exposed from the cast metal materials 11, 48, 72.
  • the leg portion 25 of the joining tip 20 has a tubular shape surrounding the virtual axis A over the entire circumference, that is, the case where the leg portion 25 is continuous around the virtual axis A has been described.
  • the legs 25 may be provided intermittently around the virtual axis A.
  • the inner surface 27 and the outer surface 28 of the leg portion 25 of the cast product 10 are separated from the virtual axis A toward the tip portion 26 over the entire axial direction D, at least one of the axial directions D of the leg portion. It suffices if the inner surface and the outer surface of the portion move away from the virtual axis A toward the tip portion 26.
  • the bonding tips 20 and 40 are sandwiched between the fixed molds 30a and 50a (first type) and the main bodies 33 and 53 (second type) will be described, and the third embodiment will be described.
  • the first mold to which the joint surface 22 is pressed may be a main body (core) or a movable mold
  • the second mold to which the tip portion 26 is pressed closer to the axial direction D than the first mold may be a fixed mold. ..
  • the present invention is not necessarily limited to this.
  • a plurality of projecting pieces 43 may be projected from the tubular portion 42.
  • the case where the plate-shaped legs 62 are provided on both sides of the virtual axis A in the direction perpendicular to the axis is not necessarily limited to this. Three or more legs 62 may be provided around the virtual axis A.
  • the rigidity of the leg in the axial direction D is lower than the rigidity of the heads 21 and 61 in the axial direction D, and the leg is compressed in the axial direction D when the joining tip is sandwiched between the first mold and the second mold. If it can be deformed, the shape of the leg can be changed as appropriate.
  • a coil spring deformable in the axial direction D which is joined to the back surfaces 23 of the heads 21 and 61 by welding or the like, may be used as the leg portion. If the legs are spring-shaped, the legs can be sufficiently easily compressed and deformed in the axial direction D when the joining tip is sandwiched between the first mold and the second mold, and the legs can be easily compressed and deformed. Sufficient reaction force during compression deformation can be secured.
  • cylindrical leg portion 25 of the self-piercing rivet is plastically deformed in advance, that is, the joining tip 20 in the state shown in FIG. 1B is sandwiched between the first mold and the second mold, and further shafts are further formed. It may be elastically deformed in the direction D and the casting process may be performed in that state.
  • a leg portion made of a material having a lower rigidity (Young's modulus) than an iron-based metal for example, an aluminum alloy, a magnesium alloy, or a zinc alloy may be attached to the back surface 23. That is, if the joining surface 22 joined to the mating member 2 made of iron-based metal is made of iron-based metal, the entire joining tip does not have to be made of iron-based metal. In this case, it is preferable to provide a restricting surface for restricting the movement of the joint tip in the axial direction D with respect to the cast metal materials 11, 48, 72 in the portion of the joint chip made of iron-based metal. As a result, even if the non-iron metal portion of the bonding tip is removed from the iron-based metal portion, the bonding tip can be prevented from being detached from the cast metal materials 11, 48, 72.
  • a restricting surface for restricting the movement of the joint tip in the axial direction D with respect to the cast metal materials 11, 48, 72 in the portion of the joint chip made of iron-based metal.
  • the first regulation surface 24 facing the side opposite to the joint surface 22 (the mating side member 2) in the axial direction D is the outer peripheral surface of the head 21, and the joint surface in the axial direction D.
  • the first regulating surface in the axial direction D facing the side opposite to the bonding surface 22 and in contact with the cast metal material 11 may be provided at any position on the bonding tip.
  • a second regulation surface in the axial direction D facing the joint surface 22 side and in contact with the cast metal material 11 may be provided at any position on the joint tip.
  • a part of the back surface 23 may be provided on the outer side of the leg portion 25 in the direction perpendicular to the axis, and the back surface 23 may be used as the first regulation surface.
  • the legs are coil springs
  • the surfaces of the coil springs facing each other are the first regulation surface and the second regulation surface, respectively.
  • knurled irregularities and spike-shaped protrusions may be provided on the outer peripheral surface of the head and the outer surface of the legs, and the surfaces formed by the irregularities and protrusions may be designated as the first regulation surface and the second regulation surface, respectively.
  • the casting products 10, 47, 71 and the mating member 2 are not limited to those joined by spot welding, and it is naturally possible to join them by other resistance welding.
  • other resistance welding include projection welding, pressure butt welding, flash butt welding, seam welding and the like.
  • the present invention is not limited to the case where the cast products 10, 47, 71 and the mating side member 2 are joined by resistance welding, and the cast products 10, 47, 71 and the mating side member 2 are joined by other joining means.
  • other joining means include other welding means such as laser welding and arc welding, and joining means by plastic flow such as friction stir welding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
PCT/JP2019/010162 2019-03-13 2019-03-13 鋳造製品、構造物および鋳造製品の製造方法 WO2020183629A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2019/010162 WO2020183629A1 (ja) 2019-03-13 2019-03-13 鋳造製品、構造物および鋳造製品の製造方法
JP2021504694A JP7105366B2 (ja) 2019-03-13 2019-03-13 鋳造製品、構造物および鋳造製品の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/010162 WO2020183629A1 (ja) 2019-03-13 2019-03-13 鋳造製品、構造物および鋳造製品の製造方法

Publications (1)

Publication Number Publication Date
WO2020183629A1 true WO2020183629A1 (ja) 2020-09-17

Family

ID=72427380

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/010162 WO2020183629A1 (ja) 2019-03-13 2019-03-13 鋳造製品、構造物および鋳造製品の製造方法

Country Status (2)

Country Link
JP (1) JP7105366B2 (enrdf_load_stackoverflow)
WO (1) WO2020183629A1 (enrdf_load_stackoverflow)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63256414A (ja) * 1987-04-13 1988-10-24 Mitsuba Electric Mfg Co Ltd 球面軸受部材のアウトサート成形方法
JP2002174219A (ja) * 2000-12-06 2002-06-21 Toyota Motor Corp セルフピアスリベットおよび締結方法
JP2006007266A (ja) * 2004-06-25 2006-01-12 Nissan Motor Co Ltd リベットを用いた接合方法
JP2009285678A (ja) * 2008-05-28 2009-12-10 Kobe Steel Ltd 鋼材と軽合金材との異材接合方法および異材接合体、鋼材との異材接合用軽合金材、鋼材と軽合金材との異材接合用リベット。
JP2015186824A (ja) * 2014-03-27 2015-10-29 株式会社アーレスティ 鋳造製品
JP2017087281A (ja) * 2015-11-16 2017-05-25 株式会社ジーテクト 接合構造および方法
JP2017190121A (ja) * 2016-04-06 2017-10-19 株式会社神戸製鋼所 車体前部構造の製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63256414A (ja) * 1987-04-13 1988-10-24 Mitsuba Electric Mfg Co Ltd 球面軸受部材のアウトサート成形方法
JP2002174219A (ja) * 2000-12-06 2002-06-21 Toyota Motor Corp セルフピアスリベットおよび締結方法
JP2006007266A (ja) * 2004-06-25 2006-01-12 Nissan Motor Co Ltd リベットを用いた接合方法
JP2009285678A (ja) * 2008-05-28 2009-12-10 Kobe Steel Ltd 鋼材と軽合金材との異材接合方法および異材接合体、鋼材との異材接合用軽合金材、鋼材と軽合金材との異材接合用リベット。
JP2015186824A (ja) * 2014-03-27 2015-10-29 株式会社アーレスティ 鋳造製品
JP2017087281A (ja) * 2015-11-16 2017-05-25 株式会社ジーテクト 接合構造および方法
JP2017190121A (ja) * 2016-04-06 2017-10-19 株式会社神戸製鋼所 車体前部構造の製造方法

Also Published As

Publication number Publication date
JPWO2020183629A1 (enrdf_load_stackoverflow) 2020-09-17
JP7105366B2 (ja) 2022-07-22

Similar Documents

Publication Publication Date Title
US8308051B2 (en) Method of welding dissimilar metal materials and welded body of dissimilar metal materials
JP5941037B2 (ja) 鍛造加工方法
US7267736B2 (en) Method of joining dissimilar materials
RU2357842C1 (ru) Инструмент и способ соединения металлических деталей
JP5904785B2 (ja) 車両用部品の鋳包み構造および鋳包み用金型
CN111545866B (zh) 焊接方法
KR20160027071A (ko) 적어도 ２개의 박판 부품의 결합 방법
CN108883500B (zh) 激光焊接方法
JP2011519727A (ja) 溶接リベット接合
EP3744465A1 (en) Arc welding method for dissimilar material bonding
CN108778609B (zh) 接合结构
CN108067579A (zh) 混合工件连接
JP3976251B2 (ja) リベット締結方法およびリベット締結装置
JP6322453B2 (ja) 鋳造製品、構造物および構造物の製造方法
WO2020183629A1 (ja) 鋳造製品、構造物および鋳造製品の製造方法
CN113710402A (zh) 接合结构
CN107775169A (zh) 金属构件的接合装置及接合方法
JP2008155247A (ja) 摩擦圧接工法及び該工法により接合した摩擦圧接部材
JP7557676B2 (ja) 接合構造
JP6873777B2 (ja) 金属部材の接合方法
KR101439615B1 (ko) 이종부재 결합구조 및 그 제작방법
JP2020040369A (ja) 加熱圧着用治具及び複合体の製造方法
JP7609668B2 (ja) 抵抗溶接方法
US11534853B2 (en) Process for manufacturing a composite cast part, and composite cast part
JP2000271675A (ja) ２部材の接合方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19919507

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021504694

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19919507

Country of ref document: EP

Kind code of ref document: A1