WO2017036444A1 - Nouvelle technologie d'assemblage pour liaisons mixtes - Google Patents

Nouvelle technologie d'assemblage pour liaisons mixtes Download PDF

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Publication number
WO2017036444A1
WO2017036444A1 PCT/DE2016/100363 DE2016100363W WO2017036444A1 WO 2017036444 A1 WO2017036444 A1 WO 2017036444A1 DE 2016100363 W DE2016100363 W DE 2016100363W WO 2017036444 A1 WO2017036444 A1 WO 2017036444A1
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WO
WIPO (PCT)
Prior art keywords
joining
metallic
partner
joining partner
wire
Prior art date
Application number
PCT/DE2016/100363
Other languages
German (de)
English (en)
Inventor
Michailov Vesselin
Holger Seidlitz
Leander Schleuss
Original Assignee
Brandenburgische Technische Universität Cottbus-Senftenberg
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 Brandenburgische Technische Universität Cottbus-Senftenberg filed Critical Brandenburgische Technische Universität Cottbus-Senftenberg
Publication of WO2017036444A1 publication Critical patent/WO2017036444A1/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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
    • 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
    • B21J15/10—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
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
    • B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
    • B23K9/092—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits characterised by the shape of the pulses produced
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B23K9/124—Circuits or methods for feeding welding wire
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
    • B23K9/232—Arc welding or cutting taking account of the properties of the materials to be welded of different metals
    • 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"
    • B29C65/3404—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" characterised by the type of heated elements which remain in the joint
    • B29C65/342—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" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
    • B29C65/3432—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" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding comprising several wires, e.g. in the form of several independent windings
    • 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"
    • B29C65/3472—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" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—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" characterised by the composition of the heated elements 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
    • 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
    • B29C65/564—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 hidden in the joint, e.g. dowels or Z-pins
    • 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
    • B29C65/62—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
    • 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
    • B29C66/40—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
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • 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
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/10—Aluminium or alloys thereof
    • 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
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/12—Copper or alloys thereof
    • 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
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/15—Magnesium or alloys thereof
    • 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
    • B23K2103/16—Composite materials, e.g. fibre reinforced
    • 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
    • B23K2103/18—Dissimilar materials
    • 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
    • B23K2103/32—Material from living organisms, e.g. skins
    • B23K2103/34—Leather
    • 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
    • B23K2103/38—Fabrics, fibrous materials
    • 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
    • B23K2103/40—Paper
    • 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
    • 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
    • B29C66/7422—Aluminium or alloys of aluminium
    • 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
    • B29C66/74281—Copper or alloys of copper
    • 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

Definitions

  • a disadvantage is that in joining process for the joining of metallic and non-metallic joining partners (especially Kunststoffhegepartnern) from the prior art, the fibers are partially destroyed area in the joining.
  • Another disadvantage is that only occasional or discrete connections along the joint zone can be produced. The transferable loads are thus achieved only in certain load directions. The bond strengths are often not high enough.
  • the bond strengths are often not high enough.
  • Overlapping length can be selected to achieve a satisfactory connection strength.
  • DE 10201321 1580 a method for thermo-mechanical forming is described. Here, the local penetration of the joint by means of dome is revealed. Thus, a kind of draft, which then around the joint point on the opposite side
  • connection stiffness is impaired. In addition, moderate heat is generated in the component.
  • CMT Cold Metal Transfer
  • Metal surfaces have a three-dimensional surface. Here metallic pins are welded with a CMT system onto a metallic joining surface. It usually arises
  • FKV component fiber-reinforced plastic composite component
  • the FKV component is locally melted by heat and pressed onto the CMT pins. It comes to the fiber displacement with the desired preservation of the fibers. The distortion and the visual appearance are poor. The heating of the FRP component is also particularly time consuming.
  • the invention relates to a joining method for joining at least two joining partners, wherein at least one first joining partner is a metallic joining partner and at least one second joining partner is a non-metallic joining partner, characterized in that at least the first and the second
  • Joining partners are joined via a CMT pin method, comprising the following steps: a) pushing a wire through the second non-metallic joining partner, b) firmly welding a wire end of the wire to the surface of the first
  • a particular innovation of this method is that the joining direction is on the side of the non-metallic joining partner.
  • the wire for the CMT pins is pushed by the non-metallic joining partner so that the pins do not form during the joining process itself. This is a
  • thermo-mechanical forming disadvantages arise in particular through pre-drilling. Piercing creates a continuous hole that lets media through. This can be avoided by the method according to the invention.
  • the joining method additionally comprises the step c) melting the wire at a certain point, preferably by a
  • this closing head is a further particular advantage of the invention, since it is accompanied by an increase in the head tensile strength, that is to say the direction of vertical load to the component surface.
  • the process is characterized among other things by a high-precision process control, which allows an exact adjustment of the pin length.
  • the metallic joining partner comprises materials selected from the group comprising aluminum, steel, magnesium, copper or their alloys. It is also preferred that the metallic joining partner consists of these mentioned materials.
  • the non-metallic joining partner comprises materials selected from the group comprising plastic, fiber-reinforced plastic, paper, leather and / or textiles. It is also preferred that the non-metallic
  • Joining partner consists of the materials mentioned. Any of the possible combinations of metallic and non-metallic joining partners may be advantageous for a particular application.
  • the two joining partners are cut to size and adapted to each other. It is also preferred that the non-metallic joining partner is tensioned.
  • Embodiment may be advantageous for the joining method, with a person skilled in the relevant field of the prior art knows when to work with tense joining partners.
  • the metal surface of the metallic joining partner is activated for welding.
  • scale layers and / or oxide layers and / or impurities are preferably removed. Thereafter, the non-metallic joining partner is placed and possibly tensioned.
  • non-metallic joining partner it may be useful or necessary to heat the wire before piercing.
  • an additional device of the wire located in a CMT welding machine can be heated at the wire end in the vicinity of the joint to a preferred preheating temperature.
  • the wire is not heated to a desired preheating temperature, but the non-metallic joining partner itself is heated.
  • Embodiment for the respective application is most suitable, knows one of skill in the relevant field of the prior art, without being self-inventive.
  • the wire is preferably pushed with the wire feed of the CMT device through the non-metallic joining partner.
  • the CMT pin process is started and the wire end is welded to the metal.
  • the wire is then preferably melted when passing through an electrical separation pulse at a certain point. It forms a melting droplet to a head directly on the non-metallic joining partner.
  • the result is a pin with a head, similar to a nail that securely and firmly connects the metallic and non-metallic joining partners.
  • the wire is thus preferably preferably separated after welding in a second stage by means of welding current. In the case of precise parameter control, a drop can be generated at the pin end, thereby optimizing the connection in the vertical direction to significantly increased connection strength.
  • the joining method of the invention is repeated several times, so that several pins connect the joining partners with each other. As a result, a particular connection strength is achieved.
  • a person skilled in the relevant field of the prior art knows how many pins are to be set depending on the material of the joining partner, the area of application and the size of the joining partners in order to achieve an optimal result, without being inventive themselves.
  • the length of the pins is automatically adapted to the graded wall thickness profile of the non-metallic joining partners.
  • the wall thickness profile can preferably be detected or predetermined via two paths. On the one hand, this can be done by the structural specifications according to joining plan or by sensors.
  • the invention is not limited to any particular type of sensors. For example, sensors that evaluate current-voltage signals are possible, but also optical sensors or tactile sensors. A person skilled in the art is able to select suitable sensors, depending on the application, without being inventive himself. It is also preferred that three-pieced or multi-sectioned compounds be reacted with the joining method of the invention. It was particularly surprising that the method of the invention could also provide satisfactory results and particularly high bond strengths in this embodiment.
  • the joining zone is not flat.
  • One of the joining partners is preferably a structured joining partner.
  • structured sheets can be used as metallic joining partners.
  • structured plastic joint partners it is also possible to use structured plastic joint partners.
  • the structured joining partner comprises stiffening elements, in particular honeycomb (hexagonal) basic geometry, comprising webs. It was completely surprising that the same high bond strengths could be achieved even with uneven joining zones.
  • the wire tip the non-metallic joining partner, preferably the plastic, softens the fibers and offers to push the fiber to the side so that it dodges and maintains the wire tip.
  • the temperature of the wire tip does not destroy the fiber.
  • the expression of the head can be varied depending on the area of application.
  • the head is preferably varied by the process parameters.
  • current, voltage, current flow times, feed rates and times, and the heating heat for the wire can be varied to affect the character of the head.
  • pin material By choosing the pin material or the number of pins per square centimeter, a stress-oriented design option of the joining zone can be implemented.
  • the optimum number of pins depends on the forces to be transmitted, and in some cases also fixations with very small forces are sufficient.
  • pin materials in particular ordinary filler materials are in question, which are preferably selected according to the type of metallic joining partner.
  • the pin material is selected on the basis of the base material, the joining task, joining partner material and secondary connection properties (for example, current-conducting tasks).
  • secondary connection properties for example, current-conducting tasks.
  • loops are placed around the fabric / scrim with the welded wire and then re-welded.
  • the wire is brought in the form of an eyelet after the first hard welding and welded at another location. Afterwards a separation pulse is set.
  • Joining partner along the joining zone does not have to be constant in order to achieve optimal results.
  • the detection of this wall thickness curve can be in the novel
  • Joining methods of the invention are integrated and taken into account when setting the pins accordingly.
  • the method there is no mechanical or thermal destruction of the fibers.
  • the preservation of the fibers becomes an example of a fiber-reinforced
  • Plastic composite achieved as a non-metallic joining partner.
  • the invention is also distinguished by the fact that no or only minor rework is necessary.
  • the connection need not be additionally glued - as is often the case in the prior art - to ensure lasting stability. Therefore, the method provides directly without additional processing steps a mixed composite, which is characterized by a high connection strength but also visually
  • the plant for carrying out the method according to the invention is also characterized by low operating costs, which is of particular importance to many industries and brings with it a huge reduction in overall costs.
  • the instruction of the staff to operate the system is possible without lengthy training and also the maintenance costs are low.
  • Another advantage is that automated processing becomes possible.
  • the variable use of the systems, for example for conventional welding processes or for the further processing of components is a further advantage of the invention.
  • the invention also allows increased plant flexibility, since different component thicknesses can be realized directly by selecting the parameters and a rapid changeover of the equipment can be made. This flexibility is a decisive advantage which can not be found in the prior art.
  • the invention in another preferred embodiment, relates to a mixed compound comprising at least one non-metallic joining partner and at least one metallic joining partner, wherein the joining partners are joined to one another via CMT pins.
  • the aforementioned preferred embodiments of the method are also preferred embodiments of the mixed compound.
  • the mixed compound is produced by a previously described joining method.
  • the mixing compound thus produced is characterized by the advantages mentioned above. It is further preferred that the mixed compounds have media-dense properties.
  • a decisive advantage is the short process times of just a few seconds. For many sectors, this advantage is of particular importance, as it can greatly reduce costs and increase production.
  • the novel joining method and / or the mixed compound is used in the automotive industry, in rail vehicle construction, but also in the air and
  • FIG. 1 shows a sketch of a preferred process sequence.
  • a torch of a CMT pin welder 18 is used.
  • the heating elements 17 are shown.
  • the heating heat for the wire is indicated by dashes starting from the heating elements.
  • the wire 15 is preheated in step a).
  • step b) the piercing of the non-metallic joining partner (here plastic) 11 and welding of the wire 15 takes place on the surface of the metallic joining partner 10.
  • step c) the wire 15 is separated by melting and associated melting of the closing head 13 on the workpiece.
  • FIG. 2 illustrates the welding of pins.
  • FIG. 2 a) shows the state before joining
  • FIG. 2 b) illustrates the state after joining.
  • the metallic joining partner 10, the non-metallic joining partner 11 and the CMT pin connections 12 are shown.
  • FIG. 3 shows preferred joining compounds of the invention.
  • the metallic joining partner 10, the non-metallic joining partner 11 and the CMT pin connections 12 and the closing head 13 are shown.
  • FIG. 3 a) shows an embodiment with a pin 12.
  • FIG. 3 b) shows an embodiment with a plurality of pins 12 arranged in the direction of loading.
  • FIG. 4 shows further preferred embodiments of the joint connections.
  • the metallic joining partner 10, the non-metallic joining partner 11 and the CMT pin connections 12 are shown.
  • Figure 4 a) corresponds to the embodiment of Figure 3 b).
  • FIG. 4 b) shows the preferred embodiment of the loop laying.
  • the loops are provided with reference numeral 14.
  • Figure 5 illustrates the freedom in the design of joints by CMT pin process.
  • the density of the pins 12, the pin length and the shape of the head 13 can be varied.
  • pins 12 are shown with a closing head 13.
  • FIG. 5b shows the pins without a closing head. This figure illustrates what differences can be achieved in the pin end. It also shows how tight the individual pins can be set. At high forces many pins must be set. reference numeral

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un procédé d'assemblage permettant l'assemblage de pièces à assembler métalliques (10) et non métalliques (11) au moyen d'un procédé par picots CMT (« CMT Pins »), les picots étant insérés à travers les pièces à assembler non métalliques (11). L'invention concerne également la liaison mixte réalisée au moyen de ce procédé d'assemblage.
PCT/DE2016/100363 2015-08-31 2016-08-15 Nouvelle technologie d'assemblage pour liaisons mixtes WO2017036444A1 (fr)

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DE102015114511 2015-08-31
DE102015114511.1 2015-08-31
DE102015118058.8A DE102015118058A1 (de) 2015-08-31 2015-10-22 Neue Fügetechnologie für Mischverbindungen
DE102015118058.8 2015-10-22

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DE102018104701A1 (de) 2018-03-01 2019-09-05 Brandenburgische Technische Universität Cottbus-Senftenberg Verfahren zur mechanischen Verbindung und Vorrichtung zur Durchführung des Verfahrens
CN108856983A (zh) * 2018-07-10 2018-11-23 湖南机电职业技术学院 一种冷金属过渡焊接工艺
DE102019102234A1 (de) 2019-01-29 2020-07-30 Brandenburgische Technische Universität Cottbus-Senftenberg Verfahren zur mechanischen Verbindung eines ersten Werkstücks mit einem zweiten, elektrisch leitfähigen Werkstück
CN110000440A (zh) * 2019-03-29 2019-07-12 江苏理工学院 一种层合板与金属板接头搭接的方法
FR3117936B1 (fr) * 2020-12-18 2024-08-02 Centre Techn Ind Mecanique Procédé de fabrication d’une roue de véhicule automobile sans air

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