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US20140298875A1 - Method and Device for Producing a Composite Sheet-Metal Part with a Metal Edge Region - Google Patents

Method and Device for Producing a Composite Sheet-Metal Part with a Metal Edge Region Download PDF

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Publication number
US20140298875A1
US20140298875A1 US14/246,604 US201414246604A US2014298875A1 US 20140298875 A1 US20140298875 A1 US 20140298875A1 US 201414246604 A US201414246604 A US 201414246604A US 2014298875 A1 US2014298875 A1 US 2014298875A1
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US
United States
Prior art keywords
edge region
metal part
composite sheet
sheet metal
rollers
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.)
Abandoned
Application number
US14/246,604
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English (en)
Inventor
Azeddine Chergui
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
Original Assignee
ThyssenKrupp Steel Europe AG
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Filing date
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Assigned to THYSSENKRUPP STEEL EUROPE AG reassignment THYSSENKRUPP STEEL EUROPE AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHERGUI, AZEDDINE
Publication of US20140298875A1 publication Critical patent/US20140298875A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • B23K11/06—Resistance welding; Severing by resistance heating using roller electrodes
    • B23K11/061—Resistance welding; Severing by resistance heating using roller electrodes for welding rectilinear seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/02—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
    • 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
    • B23K11/34—Preliminary treatment
    • 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
    • B23K2103/16—Composite materials, e.g. fibre reinforced
    • B23K2103/166—Multilayered materials
    • B23K2103/172—Multilayered materials wherein at least one of the layers is non-metallic

Definitions

  • the invention relates to a method for producing a composite sheet metal part with a metal edge region, which comprises two outer covering sheets of metal and at least one layer consisting of a plastic arranged between the covering sheets.
  • the invention relates to a device for carrying out the method according to the invention.
  • Composite sheet metal parts are often used in the form of a sandwich sheet, which comprises two outer covering sheets and a non-metallic sheet, normally consisting of a plastic that is arranged between the covering sheets.
  • a sandwich sheet which comprises two outer covering sheets and a non-metallic sheet, normally consisting of a plastic that is arranged between the covering sheets.
  • One reason for the increasing use of composite sheet metal parts is the fact that composite sheet metal parts can have properties that are often mutually excluded in a sheet of solid material.
  • a composite sheet metal part provides for example, despite its low weight, locally extremely good stiffness properties and can at the same time exhibit very good sound-damping properties.
  • Many applications mean, however, that these composite sheet metal parts have to be joined to other sheet metal parts or metal parts.
  • the joining methods commonly used with sheets, such as fusion welding and soldering cause problems, however, on account of their high energy input.
  • the composite sheet metal part may be damaged due to the fact that the non-metallic layer or plastic layer arranged between the covering sheets is damaged by the heat input, and as a result a sufficiently good connection between a composite sheet metal part and a metal part can be achieved only with difficulty.
  • various approaches have been attempted in order to solve this problem. From Japanese patent application JP 06-087079 A it is known to prepare the edge region, often used for the joining to further parts, of a composite sheet metal part for a weld joint by first of all heating the edge region of the composite sheet metal part, bending the two outer covering sheets over in the edge region, and removing the plastic layer arranged between the covering sheets by employing abrasive means. The covering sheets of the edge region are then welded to one another, so that a composite sheet metal part with a purely metal edge region is made available, which can then be used for conventional joining methods. This method is, however, very complicated and can be automated only with difficulty.
  • the object of the present invention is accordingly to provide a method for producing a composite sheet metal part with a metal edge region that enables a corresponding sheet metal part to be produced economically and with a high degree of automation.
  • the object of the invention is to propose a device to be used for carrying out the said method.
  • the covering sheets are not bent over and the plastic layer is not removed via abrasive means, but due to the application of a force to at least one outer covering sheet the plastic layer is expelled from the edge region.
  • the edge region of a composite sheet metal part is understood to be a region of the composite sheet metal part that is a distance of 10 mm to 100 mm from the edge of the composite sheet metal part. Due to the joining of the two outer covering sheets over some regions or points in the these edge regions, in which the plastic has been removed, a composite sheet metal part is obtained in a simple manner having a purely metal edge region, which to this extent is therefore also suitable for the conventionally employed joining methods, such as for example fusion welding or soldering.
  • composite sheet metal parts whose plastic layer has a greater wall thickness than the associated metallic covering sheets are joined using the method according to the invention.
  • the metallic covering sheets can have a wall thickness of 0.1 mm to 0.3 mm, whereas the plastic sheet has a wall thickness of 0.35 mm to 0.8 mm.
  • Corresponding composite parts have considerable weight advantages compared to solid materials, and can be joined particularly well using the method according to the invention
  • the plastic expelled in the edge region is at least partly removed mechanically and/or via a suction device.
  • a mechanical removal of the displaced plastic can, for example, be performed by abrasion using an abrasive device.
  • the combination of a suction device that sucks out the exiting, soft plastic, and an abrasive device is also conceivable, so that a finishing operation of the outer edge region of the composite sheet metal part after the fabrication of the metal edge region is no longer necessary.
  • the abrasive device can also at the same time be used for further tasks, for example electrode cleaning, for example if roller electrodes are used for heating the edge region or for joining the edge regions.
  • the heating of the edge region of the composite sheet metal part is carried out convectively, conductively, inductively, by friction and/or using electromagnetic radiation, a heated shape of the edge region of the composite sheet metal part that matches the intended use can be ensured.
  • convective warming the heat transfer takes place for example by hot gases via convection.
  • the covering sheets can transfer the heat locally extremely efficiently to the plastic layer arranged between them.
  • the heating zone can be limited locally to strictly defined regions, namely the contact points, through which the current is to flow.
  • the means for conductive heating can also be used for the application of a force.
  • electromagnetic radiation for example laser radiation in the near infra-red region or also near infra-red (NIR) radiators
  • NIR near infra-red
  • the application of the force takes place using at least one or more rollers.
  • rollers When using rollers, the contours of edge regions that had previously or simultaneously been heated can be followed by the rollers, and in this way for example longitudinal edges of a composite sheet metal part can be provided in a simple manner with a non-metallic edge region.
  • the roller can also serve as a contact roller, which is suitable for conducting the current and thus allows a punctiform heating of the edge region.
  • the edge region of the composite sheet metal part is welded over some points or regions after or during the application of the force.
  • Owing to the use of the rollers a particularly effective production of a composite sheet metal part with a purely metal edge region is ensured.
  • an arrangement of two pairs of rollers viewed in the longitudinal direction of the edge region can be used to conductively heat the selected edge region first of all via the first pair of rollers and to apply a force, and then using the second pair of rollers to weld the compressed edge region of the composite sheet metal part over some points or regions.
  • the overall thickness of the composite sheet metal part is reduced as a result of the plastic that has been expelled.
  • at least some regions on one or both sides are provided to compensate the thickness, so that the overall composite sheet metal part has an almost uniform thickness.
  • a force is exerted on at least one outer covering sheet that is greater than that exerted during the joining of the two covering sheets.
  • the heating temperatures in the edge region to be prepared can be kept low at least during the expulsion of the plastic, so that the damage to the plastic layer that adjoins the metal edge region of the composite sheet metal part is small.
  • a particularly comprehensive expulsion of the plastic between the two outer covering sheets is thereby achieved, so that the subsequent welding of the two outer covering sheets is accomplished particularly easily.
  • the currents employed in a conductive heating and a subsequent conductive joining can, for example, behave exactly inversely. In the expulsion of the plastic the currents are lower, in order simply to soften the plastic layer. With the joining over at least some regions or points of the outer covering sheets a higher current can be chosen, so as to enable a joint to be produced.
  • the composite sheet metal part is joined at the same time, i. e. during the fabrication of the metal edge region, to a further metal part.
  • the fabrication of the metal edge region and the joining to a further metal part can thereby be accomplished in a single process step.
  • the composite sheet metal part simply comprises one outer covering sheet of metal and a plastic layer arranged on the covering sheet
  • the second metal covering sheet can be provided by the metal part to which the composite sheet metal part is to be joined, so that the composite sheet metal part in the edge region can be joined without any problem to the metal part by welding.
  • composite sheet metal parts with an outer covering sheet and a plastic layer arranged thereon can easily become an integral component of appliances or devices, for example dishwashers or railway lines, and their sound-damping properties can be utilised.
  • the second outer covering sheet of a composite sheet metal part with two outer covering sheets and a plastic layer arranged there between can obviously also be used as a metal sheet.
  • the device enables the method according to the invention to be carried out, so that an economic production of the composite sheet metal parts with two outer covering sheets and a plastic layer arranged there between, and also comprising a metal edge region, is ensured.
  • the device according to the invention also enables a composite sheet metal outer part with a single outer covering sheet and a plastic layer arranged thereon to be joined economically to a further metal part.
  • edge regions of a composite sheet metal part can in one arrangement of the device according to the invention be produced with a metal edge region, wherein the arrangement of the device according to the invention is provided with one or more rollers for applying a force and/or for heating and/or for joining the edge region of the composite sheet metal part, as well as with means for effecting a relative movement between the composite sheet metal part and rollers.
  • the relative movement between the composite sheet metal part and rollers enables the contours of an edge region to be followed, and at the same time the application of force, a heating, and simultaneously a welding over some points or regions of the two outer covering sheets of a composite sheet metal part or of the outer covering sheet to a further metal part, becomes possible.
  • a further arrangement of the device according to the invention enables the edge regions to be machined, for example to remove excess plastic, is not necessary by providing an abrasive device and/or a suction device to remove the expelled plastic.
  • a further machining of the composite sheet metal part is avoided, and on the other hand it can be ensured via the suction device, which is preferably arranged in the region of the heating and compression of the edge region, that excess plastic does not interfere with the joining process of the two outer covering sheets or of the outer covering sheet to a further metal part.
  • the device according to the invention can furthermore be configured so that a first and a second pair of rollers are provided, wherein the first and the second pair of rollers are arranged behind one another seen in the longitudinal direction of the edge region of the composite sheet metal part, wherein the first pair of rollers is used for the heating and compression of the edge region of the composite sheet metal part and the second pair of rollers is used for the joining over some points or regions of the edge region of the composite sheet metal part.
  • the processing speeds for the production of the composite sheet metal parts with a metal edge region can be increased by allocating the processes of heating and expelling the plastic to the first pair of rollers, and allocating the joining over some points or regions of the edge region to the second pair of rollers.
  • a multi-axis arm robot and/or a handling system is provided according to a further arrangement of the device according to the invention, the automation of the production of composite sheet metal parts with a metal edge region can be significantly enhanced. If, for example, the means for the positioning, the means for the heating over some points or regions of an edge region of the composite sheet metal part, the means for the application of a force to the edge region and the means for the joining of the composite sheet metal part over some points or regions are controlled via a multi-axis arm robot or a handling system, a highly automated fabrication of composite sheet metal parts with a metal edge region can be achieved.
  • FIGS. 1 and 2 show in a schematic sectional representation a first embodiment of the method for producing a composite sheet metal part with a metal edge region, which employs a roller,
  • FIG. 3 shows in a schematic sectional view a second embodiment of the method according to the invention, which employs two oppositely facing rollers,
  • FIGS. 4 and 5 show a third embodiment of the method according to the invention in a schematic sectional view, in which an abrasive and suction device is used,
  • FIG. 6 shows in a schematic sectional view the implementation of a fourth embodiment of the method according to the invention with pairs of rollers arranged behind one another
  • FIG. 7 shows a force/current/time diagram of one embodiment of the method according to the invention.
  • FIGS. 8 and 9 show in schematic sectional views two further embodiments of the method according to the invention with different methods for heating the edge region of the composite sheet metal part
  • FIGS. 10 and 11 show a device for carrying out an embodiment of the method according to the invention with conductive heating of the edge region of the composite sheet metal part
  • FIG. 12 shows in a schematic, partially perspective representation, the implementation of the method according to the invention on a flat composite sheet metal part
  • FIGS. 13A-13D show in a schematic sectional view four embodiments of a composite sheet metal part with a metal edge region, produced by the method according to the invention
  • FIGS. 14A-14B and 15 A- 15 C show the use of a composite sheet metal part produced by the method according to the invention in a dishwasher.
  • FIGS. 16A-16B and 17 show in schematic sectional representations the use of a composite sheet metal part produced according to the invention in a railway track.
  • a first embodiment of the method according to the invention is first of all illustrated in FIG. 1 in which a composite sheet metal part 1 consisting of two outer covering sheets 2 , 3 and a plastic layer 4 arranged between the covering sheets 2 , 3 , is heated in its edge region 5 in such a way that the plastic layer 4 in this edge region 5 softens.
  • the heating of the edge region 5 can take place in various ways and means.
  • a current is fed to the composite sheet metal part 1 via the roller 6 and the current conducting clamp 7 and via the dolly bar 8 , wherein especially in the contact region of the roller 6 , namely in the edge region 5 , a powerful heating of the upper and optionally of the lower covering sheet 2 , 3 takes place so that the plastic layer 4 provided in the edge region 5 appreciably softens.
  • the upper covering sheet 2 in the edge region 5 is pressed onto the lower covering sheet.
  • the plastic 4 in the edge region is expelled, so that the edge region 5 becomes purely metallic. This is illustrated in FIG. 2 .
  • FIG. 2 As can furthermore be seen from FIG.
  • a device 9 is provided for removing the expelled plastic 4 .
  • the current now flows from the roller 6 via the edge region 5 of the composite sheet metal part to the dolly bar 8 and can thereby heat the covering sheets so that these are welded together, for example.
  • both covering sheets are thereby joined to one another at least over some regions or points.
  • the wall thickness of the plastic layer is preferably larger than that of the covering sheets.
  • the metal covering sheets can have a wall thickness of 0.1 mm to 0.3 mm, whereas the plastic layer has a wall thickness of 0.35 mm to 0.8 mm.
  • Composite sheet metal parts with covering sheets of 0.25 mm wall thickness and a plastic layer of 0.4 mm wall thickness are particularly preferred. Corresponding composite parts have significant weight advantages compared to solid materials and can be joined particularly efficiently using the method according to the invention.
  • FIG. 3 A similar exemplary embodiment of the method according to the invention is illustrated in FIG. 3 and in FIG. 4 .
  • two rollers 6 a, 6 b are used in order to exert a force on the edge region 5 which is illustrated by the arrows F.
  • the edge region 5 can as already described hereinbefore be conductively heated by supplying current via the rollers 6 a and 6 b and the current conducting clamp 7 . It is, however, also possible to heat the edge region 5 beforehand by other ways and means, so that the plastic layer becomes soft and can then be expelled from the edge region 5 by application of the force F.
  • FIG. 1 A similar exemplary embodiment of the method according to the invention is illustrated in FIG. 3 and in FIG. 4 .
  • two rollers 6 a, 6 b are used in order to exert a force on the edge region 5 which is illustrated by the arrows F.
  • the edge region 5 can as already described hereinbefore be conductively heated by supplying current via the rollers 6 a and 6 b and the current conducting clamp
  • roller-type electrodes 11 a and 11 b are additionally used in order to guide the current flow from one outer covering sheet 2 to the outer covering sheet 3 .
  • the roller-type electrodes 11 a and 11 b are connected to one another in an electrically conducting manner.
  • a negative pressure in the housing of the suction device 9 can basically be produced and the abraded plastic can be completely removed from the roller-type electrodes 6 a, 6 b.
  • an abrasive device 10 is also provided which is arranged in an abrading manner on the front surface of the composite part.
  • two contact or sealing rollers 25 are arranged which are mounted in a freely co-rotating manner on the housing of the suction device 9 , whereby a negative pressure can be produced in the housing that has a positive effect on the removal of the plastic.
  • roller-type electrodes 6 a, 6 b are cleaned to remove exiting plastic, so that these can be used satisfactorily for the welding over some regions or points of the edge region 5 of the composite sheet metal part 1 .
  • the abrasive device 10 can furthermore also be used to remove expelled plastic at the edge of the composite sheet metal part.
  • FIG. 6 shows a further embodiment in a schematic sectional view.
  • the two pairs of rollers 6 a, 6 b and 12 a, 12 b are used in order on the one hand to heat and compress the composite sheet metal part 1 in the edge region so that the plastic 4 is expelled from the composite sheet metal part 1 and can be removed by the suction device 9 .
  • the composite sheet metal part 1 then passes through the pair of rollers 12 a and 12 b which for the welding over some points or regions are arranged, viewed behind the first pair of rollers 6 a and 6 b, in the processing direction and in the longitudinal direction of the composite sheet metal part.
  • the procedure involving the compression and expulsion of the plastic as well as the welding of the upper and lower covering layers is thereby divided, so that both procedures can be controlled more precisely.
  • a roller seam can be produced in a simple way in the edge region of the composite sheet metal part at a relatively high rate via the roller electrodes regardless of the expulsion of the plastic in the edge region.
  • the force/time diagram and current/time diagram illustrated in FIG. 7 describes an embodiment of a method according to the invention with conductive heating and joining of the edge region of the composite sheet metal parts.
  • the production procedure is divided into two sections: in the first section the heating and expulsion of the plastic layer lasting from t 0 to t 1 , and a welding phase lasting from t 1 to t 2 .
  • a relatively small current I and a relatively high force F are exerted via the rollers on the edge region of the plastic part.
  • the relatively small current in relation to the welding phase allows an adjusted heating of the plastic layer between the two outer covering sheets 2 , 3 so that on account of the great force this plastic layer can be expelled from the gap between the two outer covering sheets in the edge region 5 until the two covering sheets 2 , 3 contact one another at time t 1 and there is virtually no longer any plastic between them.
  • the welding phase lasting from t 1 to t 2 can then start, in which the force F can be reduced, though the current I is increased further so that the metal covering sheets weld to one another.
  • FIG. 8 shows a further exemplary embodiment of the method according to the invention, in which the edge region of the composite sheet metal part is heated and compressed by friction, in particular using ultrasound sonotrodes 13 a and 13 b.
  • the suction device 9 is again shown in FIG. 8 .
  • a further possibility of heating the edge region is shown schematically in FIG. 9 .
  • means 14 a, 14 b are provided for the inductive heating and a pair of rollers 15 a, 15 b is arranged behind them with the aid of which the soft plastic is expelled so that the two outer covering sheets of the composite sheet metal part 1 can then be welded to one another.
  • inductive heating 14 a and 14 b there can furthermore obviously be used means for heating the edge region using electromagnetic radiation for example laser radiation or near infra-red radiation which also lead to an effective, contact-free heating of the edge region of the composite sheet metal part.
  • electromagnetic radiation for example laser radiation or near infra-red radiation which also lead to an effective, contact-free heating of the edge region of the composite sheet metal part.
  • FIG. 10 shows the current conduction paths that are necessary for this purpose.
  • a current bridge 16 is provided between the roller-type electrodes 11 a and 11 b.
  • the roller-type electrodes are connected to one another via a further current bridge 17 in which the current is conducted via sliding contacts, as illustrated on an enlarged scale in FIG. 11 , through the roller-type electrodes 6 a and 6 b to the current bridge 17 .
  • the power source 18 is connected via the roller axes of the roller-type electrodes 6 a and 6 b.
  • FIG. 12 now shows schematically one view of the production of the composite sheet metal part with a metal edge region.
  • the starting point is a composite sheet metal part 1 comprising two outer covering sheets 2 , 3 and a plastic layer 4 arranged between the covering sheets.
  • the flat composite sheet metal part or composite sheet thereby produced is passed in the process step B to a handling system 19 .
  • the handling system 19 a has a device 19 b according to the invention for producing a composite sheet metal part with a metal edge region.
  • the device 19 b can also be arranged on a multi-axis arm robot 19 .
  • the multi-axis arm robot 19 or the handling system 19 a now follows the contours of the edge regions 5 of the composite sheet metal part 1 and produces a purely metallic edge region there.
  • the edge regions have a width of approximately 10 to 100 mm.
  • the composite sheet metal part 1 can also first of all undergo a forming process and then be fed in the formed state as process step B′ to the handling system 19 a, which then moves round the edge region 5 of the composite sheet metal part 1 a and thus produces a purely metallic edge region 5 .
  • the thus produced composite sheet metal part 1 which is flat or possibly pre-formed with a metal edge region can be passed to a further forming step or processing step.
  • the section C′ now shows on an enlarged scale once again the edge region 5 of the composite sheet metal part 1 .
  • the purely metallic edge region 5 comprising no plastic layer can clearly be recognised.
  • the said composite sheet metal part can be joined to further sheet parts as illustrated in the process step E via a seam formation 20 or by welding to a further structural part as illustrated in E′.
  • the composite sheet metal part with a metal edge produced according to the invention can, as illustrated in E and E′, be joined in a simple manner to further structural parts by using conventional joining techniques.
  • FIGS. 13 a ), b ), c ) and d ) show in a schematic sectional view the edge regions 5 of composite sheet metal parts 1 that have been produced with exemplary embodiments of methods according to the invention.
  • FIG. 13A both outer covering sheets 2 , 3 are pressed against one another, so that the composite sheet metal part 1 tapers on both sides in the edge region 5 .
  • FIG. 13B on the other hand only the upper covering sheet 2 has been deformed so that a thickness compensation, as illustrated in FIG. 13D , is achieved by unilateral arrangement of a further sheet 2 a.
  • FIG. 13 c shows the thickness compensation in the case of an edge region 5 tapering on both sides of a composite sheet metal part 1 .
  • both sides are to be covered with sheets 2 a and 3 a.
  • sheets 2 a and 3 a Common to all four illustrated exemplary embodiments is that they comprise a welding 5 a in the edge region, which joins the sheets 2 a, 3 a provided in the edge region 5 or covering sheets 2 , 3 of the composite sheet metal part to one another.
  • FIGS. 14A and 14B and also 15 A, 15 B, and 15 C Further application possibilities of the method according to the invention are illustrated in FIGS. 14A and 14B and also 15 A, 15 B, and 15 C.
  • FIG. 14A a composite sheet metal part 1 ′ comprising an outer covering sheet 2 ′ and a plastic layer 4 ′ is joined to a stainless steel sheet 22 of a dishwasher.
  • the edge region of the composite sheet metal part 1 ′′ is heated by a roller-type electrode 6 a, the plastic layer 4 ′ is expelled and the edge region is then welded to the stainless steel sheet 22 .
  • FIG. 14B shows the finished produced composite sheet metal part 1 ′ installed on a dishwasher 23 .
  • the method is illustrated in its individual steps once again in FIG. 15A and 15B as well as 15 C.
  • a contact electrode 6 a is positioned in the edge region of the composite sheet metal part 1 ′ as illustrated in FIG. 15A and the plastic in the edge region 5 is heated and removed from the gap between the sheets 2 ′ and 22 . Then in a second process step using a resistance welding procedure the outer covering sheet 2 ′ is welded to the stainless steel sheet 22 . In this case an additional roller-type welding electrode is used so that the steps 15 A and 15 B can follow one another in succession. The finished produced composite sheet metal part 1 ′ is then fastened to a dishwasher 23 .
  • the composite sheet metal parts 1 ′ lead to a significant sound-damping effect and can be fastened in a simple manner using the method according to the invention, for example to a dishwasher.
  • FIGS. 16A , 16 B, and 17 show a further use of a composite sheet metal part 1 with a metal edge region 5 produced according to the invention.
  • the composite sheet metal part 1 ′ comprises, as in FIGS. 14 and 15 , simply one outer covering sheet 2 ′ and a plastic layer 4 ′.
  • the plastic layer 4 ′ in the edge region 5 of the composite sheet metal part 1 ′ is heated via a roller-type electrode 6 a and expelled from the gap between the outer covering sheet 2 ′ and the rail 24 , which in this case forms the metal part.
  • the outer covering sheet is then welded to the rail 24 using a welding electrode 25 which can also be formed as a roller-type electrode.
  • FIG. 17 shows a sectional view of the sound-damped rail 24 , which respectively comprises two composite sheet metal parts 1 ′ on both sides.
  • a composite sheet metal part 1 ′ with an outer covering sheet 2 ′ and a plastic layer 4 ′ arranged thereon can be joined in a simple manner by the method according to the invention to a further metal part, for example to the rear wall of a dishwasher 22 or a rail 24 .
  • the method according to the invention in this way significantly broadens the possible applications of composite sheet metal parts.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
US14/246,604 2011-10-10 2014-04-07 Method and Device for Producing a Composite Sheet-Metal Part with a Metal Edge Region Abandoned US20140298875A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011054362.7 2011-10-10
DE102011054362A DE102011054362A1 (de) 2011-10-10 2011-10-10 Verbundblechteil mit metallischem Randbereich
PCT/EP2012/070041 WO2013053744A1 (fr) 2011-10-10 2012-10-10 Procédé et dispositif destinés à fabriquer une pièce en tôle composite pourvue d'une zone marginale métallique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/070041 Continuation WO2013053744A1 (fr) 2011-10-10 2012-10-10 Procédé et dispositif destinés à fabriquer une pièce en tôle composite pourvue d'une zone marginale métallique

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US20140298875A1 true US20140298875A1 (en) 2014-10-09

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US14/246,604 Abandoned US20140298875A1 (en) 2011-10-10 2014-04-07 Method and Device for Producing a Composite Sheet-Metal Part with a Metal Edge Region

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US (1) US20140298875A1 (fr)
EP (1) EP2766144A1 (fr)
JP (1) JP6162129B2 (fr)
CN (1) CN103998175B (fr)
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US20230039275A1 (en) * 2019-12-13 2023-02-09 Shindengen Electric Manufacturing Co., Ltd. Welding method and welded structure
PL244164B1 (pl) * 2021-06-10 2023-12-11 Politechnika Wroclawska Sposób rezystancyjno-ultradźwiękowego zgrzewania punktowego kompozytów metal-polimer-metal z blachą oraz urządzenie do realizacji tego sposobu
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2535578A (en) * 2014-11-15 2016-08-24 Gm Global Tech Operations Llc Method for Manufacturing a Sandwich Sheet
US10654123B2 (en) 2014-12-18 2020-05-19 Outokumpu Oyj Method for manufacturing a sandwich panel
US20180264769A1 (en) * 2015-02-04 2018-09-20 Thyssenkrupp Steel Europe Ag Method for producing a component from a sandwich material and component produced from a sandwich material
US10343366B2 (en) * 2015-02-04 2019-07-09 Thyssenkrupp Steel Europe Ag Method for producing a component from a sandwich material and component produced from a sandwich material
WO2017075076A1 (fr) * 2015-10-27 2017-05-04 Hutchinson Technology Incorporated Métallisation de polymères, de céramiques et de composites pour structures de fixation
CN108290241A (zh) * 2015-10-27 2018-07-17 哈钦森技术股份有限公司 将用于联接结构的聚合物、陶瓷和复合材料金属化
US10625083B2 (en) 2016-06-27 2020-04-21 Hutchinson Technology Incorporated Metallized components and surgical instruments
WO2018005293A1 (fr) * 2016-06-27 2018-01-04 Hutchinson Technology Incorporated Composants métallisés et instruments chirurgicaux
US10925663B2 (en) 2016-06-27 2021-02-23 Mound Laser & Photonics Center, Inc. Metallized components and surgical instruments
US12115592B2 (en) 2016-12-22 2024-10-15 Outokumpu Oyj Method for manufacturing a weldable metal-polymer multilayer composite
US20230039275A1 (en) * 2019-12-13 2023-02-09 Shindengen Electric Manufacturing Co., Ltd. Welding method and welded structure
PL244164B1 (pl) * 2021-06-10 2023-12-11 Politechnika Wroclawska Sposób rezystancyjno-ultradźwiękowego zgrzewania punktowego kompozytów metal-polimer-metal z blachą oraz urządzenie do realizacji tego sposobu
US20240157677A1 (en) * 2022-11-16 2024-05-16 Hyundai Motor Company Laminated composite with non-uniform profile and method of manufacturing the same
US12337572B2 (en) * 2022-11-16 2025-06-24 Hyundai Motor Company Laminated composite with non-uniform profile and method of manufacturing the same

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WO2013053744A1 (fr) 2013-04-18
CN103998175A (zh) 2014-08-20
JP6162129B2 (ja) 2017-07-12
DE102011054362A9 (de) 2013-06-20
EP2766144A1 (fr) 2014-08-20
DE102011054362A1 (de) 2013-04-11
CN103998175B (zh) 2017-11-28

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