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WO2016005283A1 - Soudage par résistance de tôles en sandwich en plusieurs étapes - Google Patents

Soudage par résistance de tôles en sandwich en plusieurs étapes Download PDF

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Publication number
WO2016005283A1
WO2016005283A1 PCT/EP2015/065205 EP2015065205W WO2016005283A1 WO 2016005283 A1 WO2016005283 A1 WO 2016005283A1 EP 2015065205 W EP2015065205 W EP 2015065205W WO 2016005283 A1 WO2016005283 A1 WO 2016005283A1
Authority
WO
WIPO (PCT)
Prior art keywords
welding
electrode
welded
sandwich
contacting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2015/065205
Other languages
German (de)
English (en)
Inventor
Azeddine Chergui
Andreas Niesen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
ThyssenKrupp System Engineering GmbH
Original Assignee
ThyssenKrupp Steel Europe AG
ThyssenKrupp AG
ThyssenKrupp System Engineering GmbH
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 ThyssenKrupp Steel Europe AG, ThyssenKrupp AG, ThyssenKrupp System Engineering GmbH filed Critical ThyssenKrupp Steel Europe AG
Priority to EP15734151.2A priority Critical patent/EP3166743A1/fr
Publication of WO2016005283A1 publication Critical patent/WO2016005283A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/10Spot welding; Stitch welding
    • B23K11/11Spot welding
    • B23K11/115Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/16Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/34Preliminary treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/16Composite materials, e.g. fibre reinforced
    • B23K2103/166Multilayered materials
    • B23K2103/172Multilayered materials wherein at least one of the layers is non-metallic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/18Dissimilar materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/30Organic material
    • B23K2103/42Plastics

Definitions

  • the invention relates to a method for resistance welding of a sandwich panel to at least one further metallic component, wherein the sandwich panel has two metallic cover layers and a thermoplastic layer arranged between the metallic cover layers, in which at least a first region of the sandwich panel to be welded is heated in such a way that the thermoplastic Plastic layer is softened and displaced by squeezing the outer layers of the welding area, the outer layers are welded to the other component by an electrical current flow in a first circuit via a first and second welding electrode, the first welding electrode is disposed on the side of the sandwich sheet and the second welding electrode with the metallic component has electrical contact.
  • the invention relates to a device for resistance welding of sandwich metal sheets with a further metal component having at least a first and at least one second welding electrode for producing the welded joint in a first region to be welded of the sandwich sheet, means for providing a first circuit which at least over the welding current lead first and the second welding electrode and means for displacing the plastic layer of the sandwich sheet from the first to be welded portion of the sandwich sheet.
  • sandwich panels which have a thermoplastic layer between two metallic thin cover layers, in order to further increase the weight saving potentials in motor vehicle construction using sandwich panels.
  • Sandwich panels are produced, for example, strip-shaped by laminating a metallic strip with a continuous, thermoplastic layer of plastic and another metal strip and singulated into sheets. Sandwich panels can provide a variety of exclusive properties that open up new weight-saving potential. So wise Sandwich panels due to the plastic layer on a significantly lower weight than solid sheets and at the same time provide high strength values. In addition, the sandwich panels are sound-absorbing and offer high rigidity.
  • a disadvantage of sandwich panels is that they have an electrically insulating plastic layer, which in resistance welding process problems in terms of litigation as well as the formation of a flawless
  • Sandwich panels for welding for example, for resistance welding with other metal components, sandwich panels are therefore often glued or mechanically joined together.
  • Sandwich sheet a welded joint can be produced. It is proposed to carry out the heating of the joining regions by means of temperature-controllable electrodes or pressing elements.
  • the welding electrodes or pressing elements are provided for this purpose, for example, with heating elements.
  • the structure of the welding electrodes is thus relatively complicated. In addition, the speed of heating the
  • thermoplastic polymer layer can be further increased, so that shorter cycle times can be achieved. From US Patent US 4,650,951 is also a method for
  • Welding electrodes are used, which are heated and so heat and displace the plastic layer lying between the cover layers before the actual
  • Sandwich plate to connect with another metal component by resistance welding The method is divided into two steps, on the one hand into a preheating step, in which the area to be welded is heated via a preheating current and the thermoplastic material is displaced from the region of the sandwich sheet to be welded. On the other hand, after preheating by applying a welding current, the sandwich sheet is welded to the metallic member.
  • a preheating step in which the area to be welded is heated via a preheating current and the thermoplastic material is displaced from the region of the sandwich sheet to be welded.
  • the sandwich sheet is welded to the metallic member.
  • German patent application DE 10 2013 112 436 AI also relates to a method for resistance welding, in which first the welded area of the sandwich sheet is heated, the plastic is displaced from the area to be welded and then welding the previously adhesively welded cover sheets of the sandwich sheet with the metallic Component takes place.
  • Heating of the area to be welded takes place from the side of the metallic component, wherein a current bridge to be attached to the component is used
  • welding metallic component and a current bridge to the component comprises, the second welding electrode opposite the first welding electrode on the of
  • Sandwich panel facing away from the component is arranged, by a current flow in the second circuit at least the contact region of the second
  • Welding electrode is heated with the component, wherein the current bridge is formed as at least one contacting electrode, which is arranged on the side of the sandwich sheet and via which an electrical connection to be welded to the metallic component from the side of the sandwich sheet forth, wherein the contacting electrode, the metallic Component contacted directly from the side of the sandwich sheet or contacting the component via the already existing in the sandwich sheet welded joints over which the sandwich sheet is materially connected to the metallic component, contacted.
  • Heating current can be heated in a simple manner by heating the metallic component, the thermoplastic resin layer such that the plastic layer can be easily displaced by the first welding electrode.
  • a second circuit does not necessarily have another
  • the second circuit also means current-carrying areas which are present outside the first circuit and are used in the phase of heating the area of the metallic component to be welded.
  • a current bridge according to the invention is a
  • a contacting electrode initially does not have to be so heat-resistant that it does can also create a welded joint.
  • Contacting electrode be designed to be heat resistant, then, for example, as a welding electrode to form part of another welding device, so that the contacting electrode can be used not only as a current bridge, but also for welding.
  • the apparatus required for the provision of the current bridge is reduced with high flexibility. In particular, no additional power bridges are needed.
  • a contacting electrode allows easy positioning of the welding electrode in the vicinity of the weld joint to be provided, so that the current can be introduced into the metallic component in the vicinity of the welding position.
  • the contacting electrode may also support the metallic component directly from the side of the first welding electrode, i. from the side of the sandwich panel to provide an electrical connection.
  • the contacting electrode contacts the component via welded joints already present in the sandwich sheet, by way of which the sandwich sheet is materially bonded to the metallic component. In this way, directly present current bridges from the side of the sandwich panel, which are present, for example, in the vicinity of the connection currently to be welded from the sandwich panel to the metallic component, can be used to shorten the current path of the second circuit for contact of the second welding electrode with the metallic component ,
  • the contacting electrode is assigned a second contacting electrode, which is arranged opposite the first contacting electrode and contacts the metallic component in a second region to be welded during welding of the sandwich plate to the metallic component, the first and the two contacting electrodes
  • Contacting electrode are electrically connected and current from the first
  • the current flow of the second circuit can be used for heating the contacting of the second welding electrode with the metallic component.
  • thermoplastic plastic displaced the plastic layer, both can
  • Electrode pairs are used to perform both the displacement process and the welding process. As already stated, an additional current bridge in this case is also no longer necessary.
  • the first and second welding electrodes are in a positionable
  • the first or the second positionable device can follow the other device and thus a short path with respect to the heating current when using already created connection points between cover plate and metallic component
  • both devices have their own power or
  • the heating device can also be used for welding and have as contact electrodes two welding electrodes.
  • the heating phase circuit is provided in a second region of the sandwich sheet to be welded during the welding operation of the heating device by the first circuit of the first welding device, wherein the first welding electrode and the first contacting electrode are at least during the heating phase of the second to be welded Area are electrically connected to each other. Both devices can each other the circuits or the electrical connections, which for
  • the first welding device just initiate the heating phase provided that the second heating device has already completed the welding phase and provides an electrical connection between the cover plates of the sandwich sheet and the metallic component to be welded.
  • the method after the heating of the first region to be welded and the displacement of the
  • thermoplastic material from the first region to be welded the position of the heating device on a third region of the weld to be welded
  • Sandwich panel changed and carried out the heating phase in the third area to be welded using the first circuit of the first welding device once the first welding device has welded between the cover plates of the sandwich sheet in the first welded portion of the sandwich sheet and the metallic component.
  • connection points between a sandwich sheet and a metallic component can be ensured.
  • the electrical connection between the first welding electrode of the first welding device and the first contacting electrode preferably takes place
  • Heating device via a movable and controllable connection device, in particular via a robot or a gantry system.
  • Connections between the first and second welding electrodes can then be selected independently of the position of the respective welding electrode, for example in the presence of a plurality of welding electrode pairs, between the nearest welding electrodes. But it is also a purely electronic, switchable connection between the welding electrodes conceivable.
  • Independent positioning makes it possible, for example, to produce a wide variety of welding spots in cycles immediately following one another and in as much as possible Short time to connect a sandwich panel with a metallic component with multiple welds.
  • the current in the first and / or in the second circuit is controlled at least as a function of a resistance measurement between the first and second and / or the first and second contacting electrodes.
  • the resistance measurement between the welding and / or contacting electrodes, which are arranged opposite one another, makes it possible to measure the different phases of the welding process, heating phase, adhesion phase and welding phase and the like
  • the above-described object is achieved by a generic device in that means are provided for providing at least one second circuit, wherein the second circuit at least the second in contact with the component
  • Welding electrode at least partially comprises the metallic component and a current bridge to the component, wherein the contact region of the second welding electrode to the component is formed so that it can be heated by current flow in the second circuit and wherein the current bridge is formed as a Maisticianselektrode, which on the Side of the sandwich sheet is arranged and via which an electrical connection to be welded to the metallic component from the side of the sandwich sheet forth can be provided, wherein the contacting electrode can be positioned in the immediate vicinity of the welded first portion of the metallic component or already existing welded joints between the sandwich sheet and the metallic component can use.
  • the provision of a second circuit allows the metal component to be welded into a heating phase and a second
  • Welding apparatus for welding sandwich panels with a metallic component in a first area to be welded can be dispensed with additional power bridges. By using the contacting electrode short current paths can be ensured that the
  • Contacting electrode can be positioned in the immediate vicinity of the first region of the metallic component to be welded and in particular can use already existing welded joints between the sandwich panel and the metallic component.
  • the means for displacing the plastic from the area to be welded of the sandwich panel can be acted upon by a force, for example, so that softened plastic, i. heated thermoplastic material, the plastic can be displaced from the area to be welded and the outer layers of the sandwich sheet on the metallic
  • Component can be pressed. If the first welding electrode and the first contacting electrode used for this purpose, for example, directly with these means also a welding of the sandwich sheet with the metallic component in the same stroke.
  • the first contacting electrode is assigned a second contacting electrode which is opposite to the first contacting electrode
  • Contacting electrode is arranged and can contact the metallic component in a second welded portion of the sandwich sheet during welding, wherein the first and the second contacting electrode form a part of the second circuit when welding in a second welded portion of the sandwich sheet, wherein means are provided for at least temporarily electrically connecting the first welding electrode and the first contacting electrode at least during heating of the first portion to be welded of the sandwich sheet, not only a short current path through the second circuit for heating a first portion of the sandwich sheet to be welded may be provided but the first and second contacting electrodes are also used for producing a welded joint in a second region of the sandwich sheet to be welded.
  • the first and / or the second contacting electrode are formed in this case as welding electrodes.
  • a further embodiment is advantageous, according to which the first and second
  • Form heating device which are each positionable in different welding areas of the sandwich sheet.
  • the contacting electrodes of the heating device are designed as welding electrodes.
  • Welding points are produced in a sandwich panel and the sandwich panel are connected to the metallic component.
  • Both devices preferably also have their own current or voltage source whose connection to the electrodes can preferably be interrupted when the current path for the respective other device is provided, so that parts of the circuit of the welding device also serve to electrically connect the welding electrodes of the heating device both devices independently of each other for welding
  • robots or gantry systems are provided for positioning the welding and / or heating device. These can ensure a particularly accurate positioning of the welding or contacting electrodes at the intended welding points. Is according to a further embodiment of the device as a means for temporary electrical connection between the first welding electrode and the first
  • At least one controllable connection device preferably at least one robot or at least one portal system provided on the one hand in a particularly simple manner, the electrical connection between the first welding electrode and the first contacting electrode can be provided and on the other hand, a connection with others,
  • the sandwich sheet side welding and contacting electrodes are particularly flexible.
  • a measurement of the resistances between the first welding electrode and the second welding electrode allows an improved process control during welding, for example, by determining whether the current flow takes place via the first contacting electrode or directly between the first and the second welding electrode through the component to be welded, because in this case a particularly low
  • FIG. 1 shows a first embodiment of a device for carrying out the
  • FIG. 2 shows the embodiment of FIG. 1 at the time of welding the
  • Fig. 3 shows a second embodiment of a device with two movable
  • Fig. 1 shows first a device 1 for resistance welding of
  • an AC voltage source 7 and power lines 8 are shown schematically, which form the first circuit which connects the welding electrode 4 with the welding electrode 5.
  • Ii flows.
  • the first welding electrode 4 is provided as a means for displacing the plastic from the plastic layer 2a of the sandwich sheet. This can
  • Contacting electrode 10 is at a welded joint between the
  • Sandwich plate 2 and the metallic component 3 is positioned so that the
  • Contacting electrode 10 is electrically connected to the metallic component 3. If there is no connection point between the sandwich panel 2 and the metallic component 3, the contacting electrode 10 can also be positioned directly on the metallic component 3, as indicated in FIG. 1. As shown in FIG. 1, between the two welding electrodes 4 and 5, an ohmic resistance Ri is given, which is much larger than the resistance which exists between the contacting electrode 10 and the second welding electrode 5. In addition, the electrical resistance which occurs between the first contacting electrode 10 and the welding electrode 5 is significantly lower than the resistance in the current path from the first welding electrode 4 via the upper cover sheet 2b of the sandwich panel 2, the welded joint S to the second
  • the first circuit in which the current flows l t therefore has an increased resistance and the current l t is therefore significantly smaller than the current I 2 .
  • the contacting electrode 10 is electrically connected to the first welding electrode 4, so that via the contacting electrode 10, the heating current flows into the area 6 of the metallic component 3 to be heated and here heats the metallic component.
  • the heating current can be selectively controlled by the use of the contacting electrode 10.
  • Heating process softens the plastic layer 2a, which is arranged between the two cover layers 2b of the sandwich panel 2.
  • the intended contacting electrode 10 contacts the metallic component 3 from the side of the sandwich panel, namely either in a region in which a connection between the sandwich panel and the metallic component 3 already exists or directly the metallic component itself
  • Welding area should therefore be able to weld through the
  • Contact electrode 10 are chosen to be lower than, for example, at
  • the electrical resistance for the heating current is also correspondingly low.
  • the process control for example, due the resistance measurements can be improved by selecting a small distance between the contacting electrode and the region 6 to be welded.
  • Fig. 2 shows the embodiment of FIG. 1 at a later time, namely at the time after the displacement of the plastic layer 2a of the sandwich sheet 2 by the welding electrode 4. Because the resistance Ri is smaller when contacting the cover sheets 2b with the metallic component As the resistance resulting from the electrical connection via the contacting electrode 10, a welding current can be set between the welding electrodes 4 and 5, that is, the first welding electrode and the second welding electrode.
  • Welding current then generates the welded connection between the sandwich panel 2 and the metallic component 3 in the region 6 to be welded.
  • FIG. 3 shows a second exemplary embodiment in which the device for resistance welding initially has a second contacting electrode 11, which is assigned to the first contacting electrode 10.
  • Welding electrodes are formed and form during welding in a second region to be welded part of the second circuit, which is provided here by an additional current source 7 'and associated power lines 8'.
  • additional current source 7 'and associated power lines 8' In the device very schematically illustrated, the first and second form
  • Contacting electrode 10, 11 a heating device and the first and second welding electrode 4, 5, a welding device, which can be positioned in different welding areas of the sandwich sheet 2, for example in the area to be welded 6 and 6 '.
  • a welding device which can be positioned in different welding areas of the sandwich sheet 2, for example in the area to be welded 6 and 6 '.
  • robots or gantry systems 12 and 12 ' may be provided for positioning the devices.
  • the gantry systems and the robots 12, 12 ' are merely indicated in FIG. Equally indicated is an electrical connection between the first welding electrode 4 and the first
  • the electrical connection 13 is equipped with a controllable breaker 13 'in order to close or open the connection between the two electrodes only temporarily.
  • the connection 13 can also be provided by a connecting device 14, which is preferably designed as a robot or gantry system, which is likewise only indicated.
  • the electrodes 10, 11 are positioned, for example, on an already existing connection between the sandwich sheet 2 and the metallic component 3, for example in the region 6 'to be welded.
  • an electrical connection between the sandwich panel 2 and the metallic component 3 is already given.
  • Via the connection 13 or via the connection robot 14, an electrical connection between the first welding electrode 4 and the first contacting electrode 10 is provided.
  • the current flow from the current source 7 via the connecting line 13 and the first contacting electrode 10 to the welding electrode 5, so that the area to be welded 6 is heated. If the plastic layer between the cover layers of the sandwich panel 2 softens, the cover plates 2a, 2b of the sandwich panel 2 can be brought into contact with the metallic component 3 by the first welding electrode 4, so that the
  • Control welding current of the power source 7 so that the welding current is adjusted and a welding between the sandwich sheet 2 and the metallic component 3 in the area to be welded 6 takes place. While the welding current flows between the first welding electrode 4 and the second welding electrode 5, the first and second contacting electrodes 10, 11 can be moved to the next welding position.
  • the heating phase and the welding phase are preferably included interrupted electrical connection between the contacting electrodes 10, 11 and the current or voltage source 7 '.
  • connection to the current source 7 is preferably interrupted so that the electrical connection between the first contacting electrode 10 and the first welding electrode 4 allows the current to flow to the contacting electrode 11, which is used to heat a new, third one welding region of the metallic component 3 leads. Subsequently, the displacement of the plastic layer by the contacting electrode 10 takes place again, so that in a measurement of the resistance between the contacting electrode 10 and the contacting electrode 11 in a strong drop in resistance of the welding current through the current or
  • the new welding position can already be assumed by the contacting electrodes 10 and 11 during the welding operation in the first region of the metallic component to be welded, a welding method with particularly short cycle times and nevertheless good process control can be provided with the method according to the invention and the devices according to the invention become.
  • the electrodes 10 and 11 are also used for welding purposes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Resistance Welding (AREA)

Abstract

L'invention concerne un procédé de soudage par résistance d'une tôle en sandwich à au moins un autre composant métallique, la tôle en sandwich comprenant deux couches externes métalliques et une couche de matière thermoplastique disposée entre les couches externes métalliques. Selon ledit procédé, une première zone à souder de la tôle en sandwich est chauffée de telle manière que la couche de matière thermoplastique se ramollit et est chassée de la zone de soudage par compression des couches externes, les couches externes ainsi que l'autre composant sont soudés entre eux par un flux de courant électrique dans un premier circuit par l'intermédiaire d'une première et d'une deuxième électrode de soudage, la première électrode de soudage étant disposée sur la face de la tôle en sandwich et la deuxième électrode de soudage étant en contact électrique avec l'élément métallique. L'invention vise à fournir un procédé et un dispositif permettant, avec des appareils peu complexes, d'apporter une amélioration supplémentaire en matière de coûts, c'est-à-dire de diminuer également les temps de cycle lors de la mise en œuvre d'assemblages entre les tôles en sandwich et les éléments métalliques. A cet effet, l'invention propose un procédé selon la revendication 1.
PCT/EP2015/065205 2014-07-08 2015-07-03 Soudage par résistance de tôles en sandwich en plusieurs étapes Ceased WO2016005283A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15734151.2A EP3166743A1 (fr) 2014-07-08 2015-07-03 Soudage par résistance de tôles en sandwich en plusieurs étapes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014109505.7 2014-07-08
DE102014109505.7A DE102014109505A1 (de) 2014-07-08 2014-07-08 Mehrstufiges Widerstandsschweißen von Sandwichblechen

Publications (1)

Publication Number Publication Date
WO2016005283A1 true WO2016005283A1 (fr) 2016-01-14

Family

ID=53510871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/065205 Ceased WO2016005283A1 (fr) 2014-07-08 2015-07-03 Soudage par résistance de tôles en sandwich en plusieurs étapes

Country Status (3)

Country Link
EP (1) EP3166743A1 (fr)
DE (1) DE102014109505A1 (fr)
WO (1) WO2016005283A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10759815B2 (en) 2016-03-10 2020-09-01 Nissan Chemical Corporation Condensed heterocyclic compounds and pesticides
WO2021047307A1 (fr) * 2019-09-12 2021-03-18 苏州阿福机器人有限公司 Procédé de soudage par points pour conducteur multicouche d'enroulement de moteur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61115687A (ja) * 1984-11-10 1986-06-03 Kobe Steel Ltd 複合材料の溶接方法
US8357870B1 (en) * 2010-03-22 2013-01-22 Honda Motor Co., Ltd. Intelligent stepper welding system and method
DE102011109708A1 (de) * 2011-08-06 2013-02-07 Volkswagen Aktiengesellschaft Fügen von blechartigen Bauelementen mit Zwischenschicht aus thermoplastischem Kunststoff

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068180A (ja) 1983-09-26 1985-04-18 Mitsui Petrochem Ind Ltd 絶縁層を有した金属材料の溶接方法
FR2638668B3 (fr) * 1988-11-10 1990-09-07 Lorraine Laminage Procede et dispositif pour le soudage par resistance de toles, notamment de toles composites
DE102010061502A1 (de) * 2010-12-22 2012-01-19 Thyssenkrupp Steel Europe Ag Verfahren zum Fügen von Verbundblechteilen
DE102013108563A1 (de) 2013-08-08 2015-02-12 Thyssenkrupp Steel Europe Ag Verfahren und Vorrichtung zum Widerstandsschweißen von Sandwichblechen
DE102013112436A1 (de) 2013-11-12 2015-05-13 Thyssenkrupp Ag Mehrstufiges Widerstandsschweißen von Sandwichblechen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61115687A (ja) * 1984-11-10 1986-06-03 Kobe Steel Ltd 複合材料の溶接方法
US8357870B1 (en) * 2010-03-22 2013-01-22 Honda Motor Co., Ltd. Intelligent stepper welding system and method
DE102011109708A1 (de) * 2011-08-06 2013-02-07 Volkswagen Aktiengesellschaft Fügen von blechartigen Bauelementen mit Zwischenschicht aus thermoplastischem Kunststoff

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3166743A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10759815B2 (en) 2016-03-10 2020-09-01 Nissan Chemical Corporation Condensed heterocyclic compounds and pesticides
WO2021047307A1 (fr) * 2019-09-12 2021-03-18 苏州阿福机器人有限公司 Procédé de soudage par points pour conducteur multicouche d'enroulement de moteur

Also Published As

Publication number Publication date
EP3166743A1 (fr) 2017-05-17
DE102014109505A1 (de) 2016-01-14

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