WO2015135712A1 - Procédé pour assembler une pièce d'acier à une pièce de matière plastique renforcée de fibres au moyen d'un élément de liaison - Google Patents

Procédé pour assembler une pièce d'acier à une pièce de matière plastique renforcée de fibres au moyen d'un élément de liaison Download PDF

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Publication number
WO2015135712A1
WO2015135712A1 PCT/EP2015/052814 EP2015052814W WO2015135712A1 WO 2015135712 A1 WO2015135712 A1 WO 2015135712A1 EP 2015052814 W EP2015052814 W EP 2015052814W WO 2015135712 A1 WO2015135712 A1 WO 2015135712A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting element
joining
joining part
arms
parts
Prior art date
Application number
PCT/EP2015/052814
Other languages
German (de)
English (en)
Inventor
Dr. Sven JÜTTNER
Thomas Grosse
Andreas Fricke
Dr. Klaus DRÖDER
Original Assignee
Volkswagen Aktiengesellschaft
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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2015135712A1 publication Critical patent/WO2015135712A1/fr

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Classifications

    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • 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
    • 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
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B23K11/004—Welding of a small piece to a great or broad piece
    • B23K11/0066—Riveting
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • 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
    • 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
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • 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
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular 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
    • B29C66/72—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
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B29C66/7428—Transition metals or their alloys
    • B29C66/74283—Iron or alloys of iron, e.g. steel
    • 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
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/08—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of welds or the like
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • 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
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/42—Plastics
    • 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
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • 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
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts
    • 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
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3055—Cars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B15/00—Nails; Staples
    • F16B15/0023—Nail plates

Definitions

  • the invention relates to a method for joining a steel-containing joining part with a fiber-reinforced plastic-containing joining part by means of a connecting element.
  • the invention relates to a body part for a motor vehicle and a
  • Connecting element for joining a steel-containing joining part with a fiber-reinforced plastic-containing joining part Connecting element for joining a steel-containing joining part with a fiber-reinforced plastic-containing joining part.
  • CFRP carbon fiber reinforced plastic
  • carbon to call.
  • Steel body panels are commonly joined together using standard welding techniques such as resistance spot welding and MIG welding.
  • Joining technologies for the connection of different material pairings, for example of steel-containing parts with aluminum-containing parts are based on known mechanical and thermal joining methods. For example, it is known to connect steel-containing parts with aluminum-containing parts by means of punch rivets, nails, screws and clinching with each other. These procedures require, in part, the introduction of previous drilling. Furthermore, it is known that steel parts with aluminum-containing parts by additional connecting elements by means of resistance welding together. Again, this is the introduction of
  • the fiber structures of the FVK-containing joining part are at least partially destroyed by the introduction of holes, rivets or screws. Furthermore, multi-stage joining processes, for example due to the previous introduction of holes, make the automation of the manufacturing process more difficult.
  • DE 100 60 390 A1 describes a stamped riveting method.
  • a punch rivet is driven through a first material by means of a punch and connected to a second, resting on a die material. After driving the punch rivet through the first material, the die-side material can be selectively heated.
  • DE 10 2004 025 492 A1 describes a method for joining two joining parts, for example a steel sheet with a light metal sheet or a plastic component, by means of mechanical driving and welding of a joining element.
  • the joining element is designed for this purpose as a rivet or bolt with a cutting edge.
  • the object of the present invention is to further improve a method for joining a steel-containing joining part with a fiber-reinforced plastic-containing joining part in such a way that the fiber structure is not or only slightly destroyed and the automation of the manufacturing process is further improved. Furthermore, it is an object of the invention, a body part for a motor vehicle
  • the body part has at least one steel-bearing joining part and a fiber-reinforced plastic-containing joining part and the fiber-reinforced plastic joining part would not or only slightly destroyed when joining the two parts to be joined.
  • a connecting element for connecting at least two joining parts wherein the first joining part comprises steel and the second joining part has a fiber-reinforced plastic, to further improve such that through the
  • plastic-containing adherend is not or only slightly destroyed.
  • a method for joining at least two joining parts by means of at least one connecting element is proposed according to the invention.
  • a first joining part has steel or is made of steel.
  • a second adherend comprises a fiber reinforced plastic, such as a carbon fiber reinforced plastic.
  • the method according to the invention has the following steps, wherein no compelling sequence of the steps is predetermined by these method steps: a) Arranging the two joining parts together.
  • the two joining parts are arranged in such a way that a first side surface of the first joining part is at least partially in direct contact with a first side surface of the second joining part or that the two joining parts are connected to one another via an adhesive arranged between the two joining parts; b) placing the connecting element on a second side surface of the second joining part; c) heating the joining element; d) exerting a force on the connecting element until at least two arms of the connecting element have penetrated the second joining part and are in contact with the first side surface of the first joining part; e) welding the connecting element with the first joining part.
  • the first Joining part has steel or is made of steel.
  • the first joining part could be formed as a steel sheet.
  • the second joining part has a fiber-reinforced plastic.
  • the second joining part consists of a fiber-plastic composite (FRP).
  • FRP fiber-plastic composite
  • a fiber-reinforced plastic is understood as meaning a material consisting of reinforcing fibers and a plastic matrix. The matrix surrounds the fibers, which are bonded to the matrix by adhesive or cohesive forces. This gives the FKV a
  • the first joining part preferably has a carbon fiber-reinforced plastic (CFRP), or carbon, on.
  • CFRP carbon fiber-reinforced plastic
  • the two joining parts can have any suitable shape.
  • the first joining part and / or the second joining part is at least partially flat,
  • Vehicle body for example, represent a side panel or a roof.
  • the connecting element has a suitable material for welding. Furthermore, the connecting element according to the invention has at least two arms. The two arms of the connecting element may protrude from a head of the connecting element, or a side surface of the head of the connecting element. The arms are essentially elongated. Under an elongated training is to be understood that the arms have a greater length than maximum width or maximum
  • the front ends of the arms are designed for connection to the metallic material of the first joining part.
  • the front ends of the arms are designed as a connection s vom. Due to the elongated design of the arms penetrate the arms while exerting a force on the previously heated connecting element, the fiber material of the second joining without destroying it significantly. After the arms of the connecting element have penetrated the second joining part, they are in contact with the metallic material of the first joining part or the first side face of the first joining part with their front ends, or the connecting surfaces. After welding of the connecting element with the first joining part, a welded connection is formed in the region of the connection surface, or in the region of the contact point between the connection part
  • a heat source may be provided for heating the connecting element in step c).
  • the connecting element can be heated inductively in step c).
  • the welding of the connecting element with the first joining part in step e) can be carried out by means of a suitable welding process. be performed for example by means of resistance welding.
  • the connecting element can be welded to the first joining part by inductive heating.
  • step d) a force on the
  • step c) the heating of the invention element in step c) can also be carried out before placing the connecting element on the second joining part in step b).
  • the connecting element is heated in step c) before and / or during the application of the force in step d).
  • the connecting element is welded in step e) by means of resistance welding with the first joining part.
  • a first electrical voltage, or welding voltage for applying an electrical voltage, or welding voltage, a first
  • Electrode of a welding device connected to the first joining part and a second electrode of the welding device connected to the connecting element Preferably, the second electrode of the welding device is applied to the head of the connecting element. After applying the electrical voltage, the welding current flows over the head of the
  • step c) Connecting element through the arms of the connecting element and the first joining part.
  • the connecting element is preferably heated prior to the application of the voltage for resistance welding.
  • the heating of the connecting element in step c) is a separate process step. This is preferably not to be understood as meaning heating by the welding current during welding of the connecting element to the first joining part. The connecting element is thus heated to a predetermined temperature prior to the beginning of the welding.
  • the force in step d) is exerted on the connecting element by means of a welding device.
  • the force can be exerted on the connecting element by means of welding tongs.
  • Pressing device for exerting the force in step d) on the connecting element necessary.
  • Welding tongs thus can also be provided as a pressure device for exerting the force on the connecting element and for pressing the connecting element, or the arms of the connecting element, in the second joining part.
  • a body part is further proposed for a motor vehicle, wherein the body part has at least two by means of at least one connecting element interconnected joining parts.
  • a first joining part has steel or is made of steel.
  • a second joining part has a fiber-reinforced plastic. According to the invention, the two joining parts of the body part are connected to one another by means of a method described above.
  • a connecting element for connecting, or joining, at least two joining parts is provided.
  • a first joining part has steel,
  • a second joining part has a fiber-reinforced
  • Plastic for example, a koh I en stofff se rve rstä rkte n plastic on.
  • Connecting element has a head and at least two protruding from the head arms.
  • the connecting element is integrally formed.
  • the connecting element can be produced in one piece from a semi-finished sheet metal in a simple manner by means of a stamping-forming process.
  • the head of the connection s institutes forms the upper part of the connecting element.
  • the head is preferably flat.
  • Connecting element are elongated. By this is meant that the arms of the fastener have a greater length than maximum width or maximum
  • both arms essentially have an identical length.
  • the arms of the connecting element are also preferably substantially perpendicular from a side surface of the preferably flat-shaped head of the connecting element.
  • the arms of the connecting element are also preferably substantially perpendicular from a side surface of the preferably flat-shaped head of the connecting element.
  • Connecting element preferably directed vertically from a side surface of the head of the connecting element.
  • the transition between the head and the respective arms of the connecting element is arranged at a distance from the outer edge of the head of the connecting element.
  • the arms at their front ends have attachment surfaces for connection to the second joining part.
  • the attachment area of a sleeve preferably corresponds to 20% to 100%, more preferably 30% to 90%, and most preferably 40% to 80%, of the cross-sectional area of the sleeve in the widest range.
  • the connection surface is formed flat and thus the arms have no tip and no cutting edge in the region of their front ends.
  • the connecting element has at least three arms.
  • the connecting element has at least three arms.
  • tilting of the connecting element after placing the connecting element on the second joining part before exerting a force on the connecting element can be avoided.
  • the preferred connecting element with more than two arms thus provides better stability, or safer support on the surface of the second joining part.
  • Figure 1 is a perspective view of two parts to be joined and a connecting element for connecting the two joining parts
  • the first joining part 10 comprises a metallic material.
  • the second joining part 1 1 has a fiber-reinforced plastic.
  • the two joining parts 10, 1 1 are parts of a
  • Body part 100 It is shown in Figure 1, only a section.
  • a connecting element 12 is provided for connecting the two joining parts 10, 1 1.
  • the connecting element 12 is integrally formed from a suitable material for welding, namely steel.
  • the connecting element 12 has a substantially flat
  • the arms 13a, 13b, 13c are elongated with a polygonal cross-section.
  • the length 27 of the arms 13a, 13b, 13c corresponds approximately to the thickness of the second joining part 1 1.
  • the width 26 of the arms 13a, 13b, 13c is constant over most of the length 27 of the arms 13a, 13b, 13c. Only in the front end region of the arms 13a, 13b, 13c, the arms 13a, 13b, 13c are bevelled and have a slightly smaller width 26.
  • the front ends of the arms 13a, 13b, 13c form the connection surface 23 for connection to the metallic material of the first joining part 10.
  • FIGS. 2a and 2b show the individual method steps for joining a first joining part 10 to a second joining part 11. Both FIGS. 2a and 2b each show a plurality of process steps.
  • the two joining parts 10, 11 are arranged relative to one another in such a way that they are connected to one another via an adhesive 18 arranged between the two joining parts 10, 11.
  • the respective first side surfaces 14. 16 of the two joining parts 10, 11 are glued to one another via the adhesive 18.
  • the connecting element 12 is placed on the second side surface 17 of the second joining part 1 1 and the connecting element 12 is heated by a heat source 26.
  • the connecting element 12 with the attachment surfaces 23 of the arms 13a, 13b, 13c on the second side surface 17 of the second joining part 1 1.
  • FIG 2b the pressed-in in the second joining part 1 1 connecting element 12 is shown.
  • a force 19 was exerted on the connecting element 12 by the welding device 20, namely a welding tongs, until the arms 13a, 13b, 13c penetrated the second joining part 11.
  • the connecting element 12 is in contact with the first side surface 14 of the first joining part 10 with the attachment surfaces 23 of the arms 13 a, 13 b, 13 c.
  • the connecting element 12 After pressing the connecting element 12, the connecting element 12 is located with its head 13, or the underside of the head 13, on the second side surface 17 of the second joining part 1 1. Subsequently, a resistance welding is used
  • the welding device 20 is used. Thus, no separate devices are necessary for these two process steps.
  • the force 19 for pressing the connecting element 12 into the second joining part 11 is exerted with the welding tongs.
  • the first electrode of the welding gun is placed on the underside of the composite, or on the second side surface 15 of the first joining part 10.
  • the second electrode 22 of the welding apparatus 20 is placed on top of the head 13 of the

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Connection Of Plates (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé pour assembler au moins deux pièces à assembler (10, 11) au moyen d'au moins un élément de liaison (12), dans lequel une première pièce à assembler (10) comporte de l'acier et dans lequel une seconde pièce à assembler (11) comporte une matière plastique renforcée de fibres, le procédé présentant les étapes suivantes : a) disposition des deux pièces à assembler (10, 11) l'une contre l'autre de telle sorte que ces pièces soient en contact direct entre elles, au moins par endroits, par leurs deux premières surfaces latérales (14, 16) ou soient assemblées l'une à l'autre par un adhésif (18) placé entre les deux pièces à assembler (10, 11), b) pose de l'élément de liaison (12) sur une seconde surface latérale (17) de la seconde pièce à assembler (11), c) chauffage de l'élément de liaison (12), d) application d'une force (19) sur l'élément de liaison (12) jusqu'à ce qu'au moins deux saillies (13a, 13b) de l'élément de liaison (12) aient traversé la seconde pièce à assembler (10) et soient en contact avec la première surface latérale (14) de la première pièce à assembler (10), et e) soudage de l'élément de liaison (12) à la première pièce à assembler (10).
PCT/EP2015/052814 2014-03-14 2015-02-11 Procédé pour assembler une pièce d'acier à une pièce de matière plastique renforcée de fibres au moyen d'un élément de liaison WO2015135712A1 (fr)

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DE102014204778.1 2014-03-14
DE102014204778.1A DE102014204778A1 (de) 2014-03-14 2014-03-14 Verfahren zum Fügen eines Stahlteils mit einem faserverstärkten Kunststoffteil mittels eines Verbindungselements

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US20160084288A1 (en) * 2014-09-18 2016-03-24 Sungwoo Hitech Co., Ltd. Self piercing projection welding rivet, and joined structure and joining method using the rivet
CN110064832A (zh) * 2018-01-23 2019-07-30 丰田自动车株式会社 部件的接合构造
DE102019106160A1 (de) * 2019-03-11 2020-09-17 Böllhoff Verbindungstechnik GmbH Verbindungsverfahren für mindestens zwei bauteile, eine damit erzielte fügeverbindung sowie eine fügevorrichtung für das genannte verbindungsverfahren

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DE102016014790A1 (de) * 2016-12-10 2018-06-14 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Fügeelement und Verfahren zum Widerstandsschweißen
GB2558270A (en) * 2016-12-23 2018-07-11 Airbus Group Ltd Joining method and apparatus

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US20160084288A1 (en) * 2014-09-18 2016-03-24 Sungwoo Hitech Co., Ltd. Self piercing projection welding rivet, and joined structure and joining method using the rivet
CN110064832A (zh) * 2018-01-23 2019-07-30 丰田自动车株式会社 部件的接合构造
CN110064832B (zh) * 2018-01-23 2021-07-27 丰田自动车株式会社 部件的接合构造
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DE102019106160A1 (de) * 2019-03-11 2020-09-17 Böllhoff Verbindungstechnik GmbH Verbindungsverfahren für mindestens zwei bauteile, eine damit erzielte fügeverbindung sowie eine fügevorrichtung für das genannte verbindungsverfahren
WO2020182764A1 (fr) 2019-03-11 2020-09-17 Böllhoff Verbindungstechnik GmbH Procédé de liaison pour au moins deux éléments structuraux, liaison d'assemblage obtenue avec celui-ci ainsi que dispositif d'assemblage pour ledit procédé de liaison

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