WO2014196268A1 - Dispositif d'assemblage pour élément en résine, structure d'assemblage, et procédé d'assemblage - Google Patents

Dispositif d'assemblage pour élément en résine, structure d'assemblage, et procédé d'assemblage Download PDF

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Publication number
WO2014196268A1
WO2014196268A1 PCT/JP2014/060454 JP2014060454W WO2014196268A1 WO 2014196268 A1 WO2014196268 A1 WO 2014196268A1 JP 2014060454 W JP2014060454 W JP 2014060454W WO 2014196268 A1 WO2014196268 A1 WO 2014196268A1
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WO
WIPO (PCT)
Prior art keywords
self
resin
die
piercing rivet
joining
Prior art date
Application number
PCT/JP2014/060454
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English (en)
Japanese (ja)
Inventor
近藤　吉輝
鈴木　晴彦
松平　義道
英治 中神
博司 今泉
Original Assignee
ニューフレイ リミテッド ライアビリティ カンパニー
ポップリベット・ファスナー株式会社
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Application filed by ニューフレイ リミテッド ライアビリティ カンパニー, ポップリベット・ファスナー株式会社 filed Critical ニューフレイ リミテッド ライアビリティ カンパニー
Priority to CN201480026429.6A priority Critical patent/CN105188986A/zh
Publication of WO2014196268A1 publication Critical patent/WO2014196268A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/025—Setting self-piercing rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/02—Riveting procedures
    • B21J15/08—Riveting by applying heat, e.g. to the end parts of the rivets to enable heads to be formed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
    • B21J15/147—Composite articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/36—Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/44—Joining a heated non plastics element to a plastics element
    • B29C65/46—Joining a heated non plastics element to a plastics element heated by induction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/562—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using extra joining elements, i.e. which are not integral with the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/727—Fastening elements
    • B29L2031/7288—Rivets

Definitions

  • the present invention relates to a coupling device, a coupling structure, and a coupling method for coupling a plurality of resin members.
  • the present invention relates to a bonding apparatus, a bonding structure, and a bonding method in which a self-piercing rivet is driven from above the uppermost resin member and the resin members are bonded together.
  • the bonding method using a self-piercing rivet is a self-piercing type in which two members (metal plates) are placed on a die having a cavity formed on the upper surface, and have a large-diameter head and legs extending from the head. Position the rivet over the upper member.
  • the self-piercing rivet is driven into the member by punching, the leg portion of the self-piercing rivet passes through the upper member, and the leg portion extends into the lower member.
  • the self-piercing rivet does not require a hole for passing the self-piercing rivet into the member in advance, and the members can be joined by driving the self-piercing rivet. Therefore, a plurality of metal members can be efficiently bonded with high strength.
  • Patent Document 1 discloses a method in which a self-drilling rivet is driven into a resin part that is a member to be joined, and a tip part is expanded to join two resin parts.
  • a self-drilling rivet having a shaft hole is driven into two resin parts not having a pilot hole, and a chip generated by driving the self-drilling rivet is pressed into the self-drilling rivet shaft hole. It is pushed in so that it remains in the shaft hole and effectively acts on the caulking strength.
  • Patent Document 1 does not heat resin parts when joining resin parts. Therefore, when the self-piercing rivet is driven into the resin part, there is a possibility that a crack may occur or a crack may occur.
  • Patent Document 2 discloses a connection method in which two or more resin members are overlapped using a self-piercing (self-piercing type) rivet.
  • a resin member having a thermoplastic resin as a matrix resin is disposed at least in the lowermost layer, and at least the lowermost resin member is heat-treated and a self-piercing rivet is driven and connected in a molten state.
  • a heater is built in a rivet die (die) and heated by the heater to melt the matrix resin.
  • the self-piercing rivet is driven in a state where the matrix resin is melted, the problem that the lowermost resin material breaks when the self-piercing rivet is driven is solved.
  • Patent Document 3 two or more resin members are stacked with a conductive metal plate sandwiched therebetween, and the metal plate is energized to melt the interface of the resin member in contact with the metal plate to weld the metal plate.
  • a connection method is disclosed in which self-piercing rivets are driven into the mating locations to reach the inside of the lowermost resin member.
  • Patent Document 3 connects resin members by welding, rivet connection, and a burr formed when a self-piercing rivet penetrates a metal plate into a resin member under the metal plate.
  • Patent Document 3 since it is necessary to interpose a metal plate between the resin members, the thickness of the connection portion is increased. Moreover, since it heats with the Joule heat which arises in a metal plate when it supplies with electricity to a metal plate, it takes time until a resin member fuse
  • Patent document 1 does not consider the crack which arises in a resin member.
  • the resin member is heated and partially melted, the resin member is hardly cracked.
  • the resin member is heated by Joule heat at the time of joining, there is a problem that heating takes time and a wide range is heated, so that heating energy is wasted.
  • An object of the present invention is to provide a resin member joining apparatus, a joining structure, and a joining method in which, when a plurality of resin members are joined by a self-piercing rivet, the resin member is hardly damaged.
  • Another object of the present invention is to provide a bonding apparatus, a bonding structure, and a bonding method capable of stably bonding resin members with high strength.
  • the present inventors heated a self-piercing rivet by high-frequency electromagnetic induction heating, and when driving the self-piercing rivet, heated a part of the resin member by the heated self-piercing rivet.
  • the present invention invented a joining apparatus, a joining structure, and a method for melting and joining by self-piercing rivets and joining the resin members by fusing them together. Since the self-piercing rivet is driven in a state where the resin member is melted, the resin member is not cracked and can be joined with high strength.
  • One aspect of the present invention is a joining device for driving and joining self-piercing rivets to a plurality of resin members arranged on a die, The resin member, and a die that receives the legs of the self-piercing rivet disposed on the resin member;
  • a die support member made of an insulator to support the die;
  • a cylindrical pre-clamp made of an insulator, A high-frequency electromagnetic induction coil wound around the pre-clamp;
  • a punch made of an insulator is provided,
  • a bonding apparatus characterized in that the self-piercing rivet is heated by high frequency electromagnetic induction, the self-piercing rivet is driven in a state where a part of the plurality of resin members is melted, and the plurality of resin members are joined. is there.
  • the die support member, the pre-clamp, and the punch are made of an insulator and are not heated by high frequency electromagnetic induction.
  • the self-piercing rivet is heated by high frequency electromagnetic induction, and the resin member is heated by the self-piercing rivet. Since the self-piercing rivet is driven in a state where a part of the resin member is melted, the resin member is hardly damaged. After cooling, the melted portion of the resin member is fused, and the resin member is bonded by the self-piercing rivet, so that the resin member can be bonded stably with high strength.
  • the self-piercing rivet is also heated from the bottom by high-frequency electromagnetic induction heating. Can be heated.
  • the magnetic core member is preferably made of ferrite. If the magnetic core member is made of ferrite, the magnetic field can be concentrated by the die.
  • the die is preferably made of an insulator. If the die is made of an insulator, it is not heated by high frequency electromagnetic induction, and the resin member can be prevented from welding to the die.
  • the die is preferably made of ferrite. If the die is made of ferrite, the magnetic field can be concentrated by the die.
  • a cooling water passage in the die support member.
  • the die can be cooled, the resin member can be prevented from being welded to the die, and overheating of the high frequency electromagnetic induction coil can be prevented.
  • Another aspect of the present invention is a joining structure in which a self-piercing rivet having a large-diameter head and hollow legs hanging from the head is driven into a plurality of resin members disposed on a die.
  • a plurality of the resin members are softened or melted and fused by a self-piercing rivet heated by high frequency electromagnetic induction, and the legs of the self-piercing rivet penetrate the upper resin member,
  • the joint structure is characterized in that the diameter of the resin member is increased in the lower resin member and the resin member is joined.
  • Still another aspect of the present invention is a bonding method for driving a self-piercing rivet into a plurality of resin members arranged on a die, A plurality of resin members are arranged on the die, The plurality of resin members are fixed by pressing from above with a pre-clamp, Placing the self-piercing rivets on the plurality of resin members in the pre-clamp; A high-frequency current is passed through the high-frequency electromagnetic induction coil, and the self-piercing rivet is preheated by high-frequency electromagnetic induction heating, While flowing a high-frequency current through the high-frequency electromagnetic induction coil, the self-piercing rivet is driven into the plurality of resin members by the punch, Melting a portion of the plurality of resin members adjacent to the self-piercing rivet; Stopping the flow of a high-frequency current to the high-frequency electromagnetic induction coil, and fusing the melted portions of the plurality of resin members,
  • the joining method is characterized in that the plurality of resin members are joined by driving the self-
  • the present invention when a plurality of resin members are joined by a self-piercing rivet, it is possible to obtain a resin member joining device, a joining structure, and a joining method in which a resin member is hardly damaged. Moreover, the joining apparatus, joining structure, and joining method which can join the resin member stably with high intensity
  • FIG. 4 is a cross-sectional view showing an intermediate stage in which a self-piercing rivet is driven into a resin member from the state of FIG. 3.
  • FIG. 5 is a cross-sectional view showing a stage where a self-piercing rivet is further driven into the resin member from the state of FIG. It is sectional drawing which shows the state which joined the resin members using the self-piercing-type rivet of the 1st Embodiment of this invention.
  • FIG. 1 is a cross-sectional view of a bonding apparatus 1 according to a first embodiment of the present invention.
  • the joining apparatus 1 superposes resin members 41 and 42, heats the self-piercing rivet 10 by high-frequency electromagnetic induction heating, drives the self-piercing rivet 10 while melting the resin members 41 and 42, and self-piercing rivets Bonding is performed by driving 10 and welding the resin members 41 and 42 together.
  • the joining apparatus 1 includes a die 20 that receives a self-piercing rivet 10.
  • the die 20 has a cavity 21 for receiving the legs 12 of the self-piercing rivet 10 on the upper surface.
  • the cavity 21 has a conical conical surface 22 whose height decreases from the axial center to the outer periphery, and a side surface 23 surrounding the conical surface 22.
  • the cavity 21 of the die 20 is molded by receiving the resin members 41 and 42, and is deformed so that the tip of the leg portion 12 of the self-piercing rivet 10 is expanded.
  • the die is made of metal because the self-piercing rivet is driven with a large load.
  • the die can be made of an insulating material to suppress heat generation due to high frequency electromagnetic induction.
  • the material of the die 20 is made of the same insulator as the die support member 25 such as ceramic.
  • the die 20 can be formed of the same material as the magnetic core member 32 described later, and the magnetic field can be concentrated to increase the magnetic force.
  • a substantially cylindrical die support member 25 is connected to the lower side of the die 20.
  • the die support member 25 supports the die 20 from below.
  • the die support member 25 is formed of an insulator that does not generate heat due to high frequency electromagnetic induction such as ceramic. Since the die 20 and the die support member 25 are formed of the same insulator, they can be integrally formed without being separated.
  • a cooling water passage 27 is formed inside the cylindrical die support member 25 to allow the cooling water to pass therethrough.
  • the cooling water passage 27 has a circular cross section and extends in the longitudinal direction inside the die support member 25.
  • the cooling water passage 27 is provided with one passage entering the lower side of the die 20 and one passage exiting from the lower side of the die 20. Alternatively, a plurality of each can be provided.
  • the cooling water passage 27 extends on the lower side of the die 20 over a wide range below the bottom surface 22 of the die 20.
  • the cooling water cools the die 20, prevents the heated resin member 42 from welding to the die 20, and cools the high-frequency electromagnetic induction coil 26.
  • the arrangement of the cooling water passage 27 can be extended to the lower side of the die 20 in another arrangement such as a spiral shape or a circular shape inside the die support member 25.
  • the cooling water passage 27 may be provided separately as a pipe surrounding the outside of the die support member 25, instead of being provided inside the die support member 25.
  • the die support member 25 can be provided as two members on the outside and the inside, and can be provided as a pipe between the outside and the inside members.
  • the pipe is preferably formed of an insulator.
  • the cooling water passage 27 is optional and may not be provided.
  • the inside of the cooling water passage 27 is an inner wall of the die support member 25.
  • a high frequency electromagnetic induction coil 26 is arranged in the space inside the inner wall. When a current is passed through the high frequency electromagnetic induction coil 26, a magnetic field is induced.
  • resin members 41 and 42 for bonding are disposed so as to overlap each other.
  • the resin members 41 and 42 are made of resin. At least one of the resin members 41 and 42 is a thermoplastic resin.
  • the lower resin member 42 is preferably a thermoplastic resin. When the self-piercing rivet 10 is driven, the lower resin member 42 is easily cracked. Therefore, if the lower resin member 42 is a thermoplastic resin, it is difficult to melt and crack.
  • thermoplastic resin the one plastic resin can be melted and fused with the other resin member.
  • thermoplastic resin polypropylene resin, polyethylene resin, ABS resin, polycarbonate resin, polyamide resin, or a combination of these resins can be used.
  • the thermoplastic resin can be a fiber reinforced resin mixed with glass fiber or carbon fiber.
  • the cylindrical pre-clamp 33 comes into contact with the upper surface of the resin member 41.
  • the pre-clamp 33 is made of an insulator such as ceramic.
  • the pre-clamp 33 holds the resin members 41 and 42 between the pre-clamp 33 and the die 20 while pressing the resin member 41 from the upper surface while driving the self-piercing rivet 10.
  • the self-piercing rivet 10 is disposed on the upper surface of the resin member 41.
  • the self-piercing rivet 10 is made of a conductor such as iron, aluminum, and stainless steel, and generates heat due to an induced current.
  • the self-piercing rivet 10 includes a disk-shaped head 11 and a cylindrical leg 12 that extends downward from the head 11 with an outer diameter smaller than that of the head 11.
  • the distal end portion of the leg portion 12 of the self-piercing rivet 10 contacts the upper surface of the resin member 41.
  • the distal end portion of the leg portion 12 is thin, and when the resin members 41 and 42 are driven, holes are easily formed in the resin members 41 and 42.
  • the self-piercing rivet 10 is heated by high-frequency electromagnetic induction heating when driven into the resin members 41 and 42.
  • the resin members 41 and 42 are heated and softened or melted by the heat of the self-piercing rivet 10, and are welded after the temperature is lowered.
  • a cylindrical magnetic core member 32 abuts on the upper surface of the head 11 of the self-piercing rivet 10.
  • the outer diameter of the lower surface of the magnetic core member 32 is substantially equal to the outer diameter of the head 11 of the self-piercing rivet 10, and the entire head 11 can be pushed.
  • the magnetic core member 32 is made of a magnetic insulator material such as ferrite and does not generate heat in a high frequency magnetic field.
  • the magnetic core member 32 functions to concentrate the magnetic field and increase the magnetic force.
  • the magnetic core member 32 may not be optional. When there is no magnetic core member 32, the punch 31 abuts on the upper surface of the self-piercing rivet 10.
  • a cylindrical punch 31 is connected on the magnetic core member 32.
  • the material of the punch 31 is an insulator such as ceramic.
  • the punch 31 is integrated with the magnetic core member 32 and drives the self-piercing rivet 10 heated by high frequency electromagnetic induction into the resin members 41 and 42.
  • a high frequency electromagnetic induction coil 36 is arranged so as to surround the cylindrical pre-clamp 33.
  • the magnetic field generated by the high frequency electromagnetic induction coil 36 is concentrated by the magnetic core member 32, and the self-piercing rivet 10 is heated by high frequency electromagnetic induction by the concentrated magnetic field.
  • a cooling water passage is not provided on the punch side above the resin members 41 and 42, but a cooling water passage is also provided around the punch 31, the magnetic core member 32, and the high-frequency electromagnetic induction coil 36. You can also
  • FIG. 2 is a block diagram of a high-frequency electromagnetic induction heating device used in the joining device 1 according to the first embodiment of the present invention.
  • the high-frequency power supply 55 temporarily converts an alternating current such as three-phase 200 V into direct current, and generates high-frequency energy of several hundred Hz to several MHz using elements such as an electron tube, thyristor, MOSFET, and IGBT.
  • the matching unit 56 matches the high-frequency energy generated by the high-frequency power source according to the voltage and current required for the heating unit 57 that is a load.
  • the frequency, current, and time of the high-frequency current are set to appropriate values by the resin member to be joined and the self-piercing rivet that is a conductor.
  • the high frequency current output from the matching unit 56 is passed through the high frequency electromagnetic induction coil of the heating unit 57, and the self-piercing rivet 10 is heated by high frequency electromagnetic induction heating.
  • High frequency electromagnetic induction heating is known and will not be described in further detail.
  • the cooling water circulation unit 58 allows the cooling water to flow through the high frequency power supply 55, the matching unit 56, and the heating coil 57.
  • FIG. 3 is an enlarged cross-sectional view of a joining portion of the joining apparatus 1 of FIG.
  • the die 20 has a cavity 21 on the upper surface.
  • the conical surface 22 of the cavity 21 is substantially conical and the side surface 23 is substantially cylindrical.
  • Resin members 41 and 42 are placed on the upper surface of the die 20, and the periphery of the part to be joined is pressed by the pre-clamp 33.
  • the self-piercing rivet 10 is disposed on the upper surface of the resin member 41.
  • the self-piercing rivet 10 has a large-diameter head 11 and hollow cylindrical legs 12 depending from the head 11.
  • FIG. 4 is a cross-sectional view of an intermediate stage in which the resin members 41 and 42 are joined by the self-piercing rivet 10.
  • the leg portion 12 penetrates the punch-side resin member 41 and pierces the receiving-side resin member 42.
  • the resin member 42 protrudes downward by the leg portion 12, and the protruding portion of the resin member 42 contacts the bottom surface 22 of the cavity 21.
  • the legs 12 of the self-piercing rivet 10 receive pressure from the inside and are guided radially outward by the conical bottom surface 22 of the cavity 21 and begin to deform so as to expand radially outward. Since the self-piercing rivet 10 is heated, when the self-piercing rivet 10 is driven, portions of the resin members 41 and 42 that are in contact with the self-piercing rivet 10 are also heated, and some of them are softened and melted.
  • FIG. 5 is a cross-sectional view after the joining operation proceeds further from the stage of FIG. 4 and the resin members 41 and 42 are joined by the self-piercing rivet 10.
  • the leg portion 12 of the self-piercing rivet 10 is deformed so as to expand the diameter outward in the radial direction while pushing the resin member 42 outward in the radial direction. Since some of the resin members 41 and 42 are softened and melted, the legs 12 of the self-piercing rivet 10 easily enter the resin members 41 and 42, and the resin members 41 and 42 are not easily cracked. .
  • FIG. 6 is a cross-sectional view showing a state in which the resin members 41 and 42 joined as shown in FIG. 5 are removed from the joining apparatus 1.
  • the vicinity of the interface between the resin members 41 and 42 close to the legs 12 of the self-piercing rivet 10 is melted, and then the temperature is lowered and solidified, and the resin members 41 and 42 are fused to form a fused portion 43. ing.
  • the leg portion 12 of the self-piercing rivet 10 is driven, a part of the resin members 41 and 42 is softened and melted, so that the resin members 41 and 42 are not cracked.
  • the distal end portion of the leg portion 12 of the self-piercing rivet 10 is expanded and opened. Since the resin member 42 at the joined portion is extruded into the cavity 21 of the die 20, the lower surface of the joined portion of the resin member 42 has a convex shape on the lower side and the center portion is recessed. Since the distal end portion of the leg portion 12 of the self-piercing rivet 10 enters the resin member 42 and expands in diameter, and the resin members 41 and 42 are fused together, sufficient bonding strength can be obtained.
  • FIG. 7 is a cross-sectional view showing a state in which the resin members 41 and 42 are joined by the self-piercing rivet 50 of the second embodiment.
  • the second embodiment differs from the first embodiment in the self-drilling rivet 50 and the shape of the die cavity. Other parts of the joining apparatus 1 are the same as those in the first embodiment.
  • a self-piercing rivet 50 according to the second embodiment has a head 51 and legs 52. When the resin members 41 and 42 are joined by the self-piercing rivet 50, the tip portion of the leg portion 52 of the self-piercing rivet 50 penetrates the resin members 41 and 42, and the diameter of the portion protruding from the lower surface of the resin member 42 is increased. Then, the resin members 41 and 42 are joined.
  • the self-piercing rivet 50 is heated by high frequency electromagnetic induction.
  • the vicinity of the interface between the resin members 41 and 42 adjacent to the legs 52 of the self-piercing rivet 50 is heated and softened or melted.
  • the front end of the leg 52 penetrates the upper resin member 41, further penetrates the lower resin member 42, and protrudes from the lower surface of the lower resin member 42.
  • the die cavity has substantially the same shape as in the first embodiment.
  • the distal end portion of the leg portion 52 is enlarged in diameter, and the resin member 41, 42 is sandwiched between the enlarged diameter leg portion 52 and the head portion 51 and coupled.
  • the resin members 41 and 42 are fused at a reduced temperature to form a fused portion 43.
  • FIG. 8 is a bottom view after joining of a modified example of the self-piercing rivet 50 of the second embodiment shown in FIG.
  • the leg portion 52 ′ of the self-piercing rivet 50 ′ has four slits formed in the vertical direction so as to be divided into four.
  • the leg portion 52 ′ of the self-piercing rivet 50 ′ is opened separately from the four leg portions 52a, b, c, and d. Since the modified self-drilling rivet 50 ′ is divided into four leg portions 52a, 52b, 52c, and 52d and opened, it is easy to expand the diameter. Further, since the open leg portions 52a, b, c, d are in contact with the lower resin member 42 in a large area, a strong bonding strength can be obtained.
  • FIG. 9 is a perspective view of a self-piercing rivet 60 according to a third embodiment of the present invention.
  • the third embodiment differs from the second embodiment in the self-drilling rivet 60 and the shape of the die cavity.
  • the self-piercing rivet 60 is a staple-shaped fitting, that is, a U-shaped fitting having a rectangular cross section, and has a head 61 and two legs 62.
  • the cavity of the die is shaped like a stapler and can be bent so that the two legs 62 can be bent inward.
  • FIG. 10 is a cross-sectional view showing a state in which the resin members 41 and 42 are joined using the self-piercing rivet 60.
  • a self-piercing rivet 60 is driven from above the upper resin member 41, and the two legs 62 penetrate the upper resin member 41 and the lower resin member 42, from the lower surface of the lower resin member 42. Get out.
  • the self-piercing rivet 60 is heated by high frequency electromagnetic induction heating.
  • the vicinity of the interface between the resin members 41 and 42 close to the leg portion 62 of the self-piercing rivet 60 is melted, and the resin members 41 and 42 are fused to form a fused portion 43.
  • the front end portion 62c of the leg portion 62 protruding from the lower surface of the resin member 42 is bent inward so as to approach each other by a die cavity (not shown).
  • the head 61 and the bent tip 62c are joined with the resin members 41 and 42 interposed therebetween.
  • a member that supports the self-piercing rivet 60 is used in the pre-clamp 33 of the joining apparatus 1.
  • FIG. 11 is a cross-sectional view showing a state in which the resin members 41 and 44 are joined by the self-piercing rivet 70 of the fourth embodiment.
  • the fourth embodiment differs from the first embodiment in the shapes of the self-piercing rivet 70 and the die cavity.
  • the self-piercing rivet 70 of the fourth embodiment has a nail shape. That is, it has a head 71 and elongated leg portions 72 extending from the head 71.
  • the outer periphery of the leg 72 is provided with irregularities 72d. Due to the unevenness 72d, the self-piercing rivet 70 is difficult to come off. Since the tip of the leg 72 is not bent, the upper surface of the die (not shown) is flat.
  • the self-piercing rivet 70 is made of a conductor such as iron, aluminum, or copper, and is heated by high frequency electromagnetic induction heating.
  • the vicinity of the interface between the resin members 41 and 44 adjacent to the leg portion 72 of the self-piercing rivet 70 is melted at the time of joining, and the resin members 41 and 44 are fused to form a fused portion 43.
  • the melted portions of the resin members 41 and 44 are fixed to the unevenness 72d and are more difficult to come off.
  • the lower resin member 44 is thicker than the resin member 42, and the tips of the legs 72 of the self-piercing rivet 70 do not penetrate the lower resin member 44 and remain inside.
  • a member that supports the self-piercing rivet 70 from falling down in the pre-clamp 33 of the joining apparatus 1 is used.
  • the irregularities on the outer peripheral part of the leg part 72 are spiral grooves. Furthermore, a groove into which the tip of a screwdriver can be inserted is formed on the upper surface of the head 71. In this way, the self-piercing rivet 70 ′ can be easily removed by driving it with a die and punch and then turning it with a screwdriver.
  • FIG. 12 is a perspective view of a self-piercing rivet 80 of the fifth embodiment.
  • a self-piercing rivet 80 is different from the fourth embodiment.
  • the self-piercing rivet 80 is a plate-shaped metal fitting in the shape of a baseball base as a whole. Concavities and convexities 82d are formed on two sides of the self-piercing rivet 80.
  • the lower end of the self-piercing rivet 80 is thin and easy to insert into the resin members 41 and 44. The lower end portion does not penetrate the lower resin member 44 and remains inside. Since the tip of the leg 72 is not bent, the upper surface of the die (not shown) is flat.
  • the self-piercing rivet 80 is heated by high frequency electromagnetic induction is the same as in the other embodiments.
  • the resin members 41 and 44 can be joined so as not to rotate with each other.
  • a member that supports the self-piercing rivet 80 is used in the pre-clamp 33 of the joining apparatus 1.
  • a self-piercing clip when a self-piercing clip is heated by high-frequency electromagnetic induction heating and a self-piercing rivet is driven, a part of the resin member is heated and melted by the heated self-piercing clip. Let Since it joins by self-piercing type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Insertion Pins And Rivets (AREA)
  • Connection Of Plates (AREA)

Abstract

La présente invention concerne un dispositif d'assemblage permettant d'éviter toute détérioration d'un élément en résine lors de l'assemblage d'une pluralité d'éléments en résine à l'aide d'un rivet auto-perforant. Le dispositif d'assemblage (1) est pourvu d'un poinçon (31) destiné à poinçonner et assembler le rivet auto-perforant (10) avec la pluralité d'éléments en résine (41, 42) placés dans un emporte-pièce (20). Le dispositif d'assemblage (1) comprend : un emporte-pièce qui reçoit un élément en résine et une section de patte (12) du rivet auto-perforant ; un élément support d'emporte-pièce (25) comprenant un corps isolant, destiné à supporter l'emporte-pièce ; une bobine d'induction électromagnétique haute-fréquence (26) placé à l'intérieur de l'élément support d'emporte-pièce ; un dispositif de pré-serrage (33) comprenant un corps isolant, pour la fixation de l'élément en résine sur l'emporte-pièce ; une bobine d'induction électromagnétique haute-fréquence (36) enroulée autour du dispositif de pré-serrage ; et le poinçon (31) comprenant un corps isolant, destiné à poinçonner le rivet auto-perforant. La pluralité d'éléments en résine sont assemblés par le poinçonnage du rivet auto-perforant et la fusion de la pluralité d'éléments en résine.
PCT/JP2014/060454 2013-06-03 2014-04-11 Dispositif d'assemblage pour élément en résine, structure d'assemblage, et procédé d'assemblage WO2014196268A1 (fr)

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WO2019086263A1 (fr) * 2017-11-02 2019-05-09 Deutsches Zentrum für Luft- und Raumfahrt e.V. Élément de liaison pour des composants en matériau composite en fibres, procédé pour la liaison de composants en matériau composite en fibres, dispositif pour la liaison de composants en matériau composite en fibres et assemblage de composants en matériau composite en fibres
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CN112974714A (zh) * 2019-12-17 2021-06-18 财团法人金属工业研究发展中心 钣件接合与其冷却的方法
WO2022128625A1 (fr) * 2020-12-15 2022-06-23 Kok & Van Engelen Composite Structures B.V. Procédé et dispositif de soudage électromagnétique par points de pièces moulées
WO2022128547A1 (fr) * 2020-12-15 2022-06-23 Kok & Van Engelen Composite Structures B.V. Procédé et dispositif de soudage par points électromagnétiques de pièces moulées

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JP6801636B2 (ja) 2017-11-28 2020-12-16 トヨタ自動車株式会社 結合部材ヘッド
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JP2019136750A (ja) * 2018-02-13 2019-08-22 ポップリベット・ファスナー株式会社 電極構造及び通電加熱方法
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JP7137068B2 (ja) * 2018-11-26 2022-09-14 キョーラク株式会社 樹脂製パネル
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CN110394993A (zh) * 2019-07-02 2019-11-01 燕山大学 纤维复合材料层合板无孔冲压胶铆连接方法及连接装置
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US10589468B2 (en) 2014-03-07 2020-03-17 Bombardier Inc. Composite rivet blank and installation thereof
US10722935B2 (en) 2015-07-01 2020-07-28 Nippon Steel Corporation Mechanical joining apparatus and mechanical joining method
US10603713B2 (en) 2015-07-01 2020-03-31 Nippon Steel Corporation Mechanical joining apparatus and mechanical joining method
JPWO2017002976A1 (ja) * 2015-07-01 2018-03-29 新日鐵住金株式会社 機械的接合装置及び機械的接合方法
JPWO2017002975A1 (ja) * 2015-07-01 2018-03-22 新日鐵住金株式会社 機械的接合装置及び機械的接合方法
WO2017002976A1 (fr) * 2015-07-01 2017-01-05 新日鐵住金株式会社 Dispositif de liaison mécanique et procédé de liaison mécanique
WO2017002975A1 (fr) * 2015-07-01 2017-01-05 新日鐵住金株式会社 Dispositif de liaison mécanique et procédé de liaison mécanique
WO2018163072A1 (fr) * 2017-03-09 2018-09-13 Bombardier Inc. Appareil et méthodes d'installation de rivets composites
WO2018177629A1 (fr) * 2017-03-28 2018-10-04 Bayerische Motoren Werke Aktiengesellschaft Procédé destiné à l'assemblage sans pré-trou d'au moins une pièce en plastique avec une pièce en métal, pièce composite et outil de rivetage à poinçon
WO2019086263A1 (fr) * 2017-11-02 2019-05-09 Deutsches Zentrum für Luft- und Raumfahrt e.V. Élément de liaison pour des composants en matériau composite en fibres, procédé pour la liaison de composants en matériau composite en fibres, dispositif pour la liaison de composants en matériau composite en fibres et assemblage de composants en matériau composite en fibres
CN112974714A (zh) * 2019-12-17 2021-06-18 财团法人金属工业研究发展中心 钣件接合与其冷却的方法
WO2022128625A1 (fr) * 2020-12-15 2022-06-23 Kok & Van Engelen Composite Structures B.V. Procédé et dispositif de soudage électromagnétique par points de pièces moulées
WO2022128547A1 (fr) * 2020-12-15 2022-06-23 Kok & Van Engelen Composite Structures B.V. Procédé et dispositif de soudage par points électromagnétiques de pièces moulées
NL2027111B1 (en) * 2020-12-15 2022-07-08 Kok & Van Engelen Composite Structures B V Method and device for electromagnetic spot welding of moulded parts
NL2027112B1 (en) * 2020-12-15 2022-07-08 Kok & Van Engelen Composite Structures B V Method and device for electromagnetic spot welding of moulded parts

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