WO2009060080A2 - Verfahren zum reduzieren des anlegierens von aluminium sowie ultraschallschweissvorrichtung - Google Patents
Verfahren zum reduzieren des anlegierens von aluminium sowie ultraschallschweissvorrichtung Download PDFInfo
- Publication number
- WO2009060080A2 WO2009060080A2 PCT/EP2008/065162 EP2008065162W WO2009060080A2 WO 2009060080 A2 WO2009060080 A2 WO 2009060080A2 EP 2008065162 W EP2008065162 W EP 2008065162W WO 2009060080 A2 WO2009060080 A2 WO 2009060080A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aluminum
- polycrystalline diamond
- strands
- compression space
- welding
- Prior art date
Links
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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
- H01R4/625—Soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
-
- 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
Definitions
- the invention relates to a method for reducing the alloying and / or adhesion of aluminum or aluminum alloy in Ultraschallverscrank of aluminum or aluminum alloy existing wires or strands having individual wires to an end or passage node with each other or with a metal carrier, wherein at least the strands are inserted into a height and / or width-adjustable compression space bounded in opposing first boundary surfaces of portions of a sonotrode and anvil or the support disposed on the anvil and in remaining opposed second boundary surfaces of statically acting tool parts.
- the invention also relates to the use of a work surface consisting of polycrystalline diamond or polycrystalline diamond, a side boundary of a height and / or width adjustable compression space of an ultrasonic welding device.
- the invention relates to an ultrasonic welding apparatus comprising a sonotrode transmitting ultrasonic vibrations with a sonotrode head having a welding surface, a counterelectrode opposite the welding surface and lateral limiting elements, the welding surface, the limiting elements and indirectly or directly the counterelectrode being variable in height and / or width Limit the compaction space.
- ultrasound strands which consist of individual wires or wires of aluminum or aluminum material, welded together or with a solid support, so there is the disadvantage that the introduced welding energy causes the aluminum begins to flow or in a so-called doughy phase passes, so that an alloying or adhering to the side boundaries of the strands receiving compression space takes place.
- the object of the present invention is to further develop a method of the type described above such that aluminum-containing or aluminum-containing strands can be welded to one another or to a solid support without intermediate films being required or by crimping a solid part around the strands must become. Also, the number of welds should correspond to the usual welding processes in which aluminum materials are not welded without any adhesion to the boundaries of the compression space occurring such that further welds are adversely affected.
- the object according to the method is essentially achieved by using as static tool parts those having polycrystalline diamond (PCD) on their work surface facing the strand.
- PCD polycrystalline diamond
- the wear-reducing layer there are ceramics such as silicon nitride ceramics, silicon carbide ceramics, zirconia ceramics, alumina ceramics, dispersion ceramics such as alumina / titanium carbide, cemented carbide or polycrystalline diamond material.
- the wear-reducing material should basically be applied to the heavily loaded work surfaces of the sonotrode and the anvil, alike if the note is also made that the side boundaries can be coated with a corresponding material.
- the polycrystalline diamond material is preferably formed as an outer layer of a cemented carbide support, wherein the layer thickness of the polycrystalline diamond is to be selected such that diffusion of aluminum is precluded regardless of the plurality of welds. Therefore, the layer thickness should in particular be at least 0.1 mm, preferably between 0.2 mm and 0.7 mm, in particular between 0.4 mm and 0.5 mm.
- the thickness of the cemented carbide support on which the PCD is mounted should be in the range between 0.8 mm and 2.0 mm, preferably between 1.0 mm and 1.2 mm.
- the polycrystalline diamond is deposited on a support, which in turn communicates with the static tool parts, i. H. Side slider or Touchierplatte is connected, which limit the compression space into which the conductors to be welded are introduced.
- the diamond layer should have a thickness of at least 0.1 mm, in particular in the range between 0.2 mm and 0.7 mm, and / or diamond grains with an average diamond grain size between 4 microns and 25 microns, wherein the volume of the diamond grains preferably between 90 vol .-% and 95 vol .-% of the layer is. Due to the fact that, due to the polycrystalline diamond, there is no build-up or sticking to the side boundaries of the compression space, the energy input for welding the strands or these with a solid support must be turned off only on the material aluminum. In particular, it is not necessary that a higher energy input or higher pressures in welding are necessary, which would be considered if a Anleg Schl or adherence would take place. At the same time, the choice of aluminum material offers the advantage of saving weight and the use of a less expensive material compared to copper.
- the invention also relates to the use of a polycrystalline diamond (PCD) or polycrystalline diamond-containing work surface of a side boundary of a height and / or width adjustable compression space of an ultrasonic welding device to prevent or reduce the alloying or adherence of aluminum or aluminum alloy during welding of in the strands introduced and consisting essentially of aluminum or aluminum alloy strands or strands individual strands.
- PCD polycrystalline diamond
- the existing of the aluminum or aluminum alloy wires or wires single strands are welded to other strands, which consist of a different material from aluminum or aluminum alloy.
- the strands can be welded to a metal support placed in the compression space or used as a confinement space boundary.
- the invention further relates to an ultrasonic welding device for carrying out the aforementioned method, comprising a sonotrode transmitting ultrasonic vibrations with a sonotrode head having a welding surface, a counterelectrode opposite the welding surface and lateral limiting elements, the welding surface, the limiting elements and indirectly or directly the counterelectrode having a Limit height and / or width variable compression space, and which is characterized in that the welding surface of the sonotrode has a course of an isosceles open trapezoid with bottom surface and side legs emanating side surfaces, that the bottom surface and the respective side surface an angle ⁇ with 100 ° ⁇ ⁇ 145 ° and that the boundary elements in their compression space bounding surface consists of polycrystalline diamond or contains.
- sonotrodes with welding surfaces having the geometry of an isosceles open trapezoid (DE-U-20 2004 010 775).
- the geometry is used to prevent transverse forces from occurring to the extent that the side legs of the wearer are bent apart.
- a larger filling volume for the conductors to be welded to the carrier should be made available.
- fiction according to a corresponding welding surface of a sonotrode is used so that in addition to the occupancy of the side boundary s vom the compression space with PCD supportive achieved that an alloying of aluminum when welding aluminum-containing materials is omitted or reduced such that welding is not negative to be influenced.
- the compression space laterally delimiting surface of the limiting element outer surface of a polycrystalline diamond layer having a thickness d with d> 0.1 mm, in particular 0.2 mm ⁇ d ⁇ 0.7 mm, that of a support goes out, which is connected to the limiting element, in particular by brazing.
- the layer is applied to the carrier. Due to the special design of the working surface, ie welding surface of the sonotrode, the advantage is achieved that occurring during compacting and welding of the strands total lateral forces are absorbed to a considerable extent by the welding surface of the sonotrode limiting side surfaces, so that additionally an alloying or Adhesion of aluminum is prevented at the lateral boundary surfaces of the compression space.
- the sonotrode head has a width B and the side legs over the bottom surface with a height T protrude with 0.1 B ⁇ T ⁇ 0.3 B.
- 1 is a schematic diagram of an ultrasonic welding machine
- Fig. 2 is a schematic diagram of a compression space
- Fig. 3 shows another embodiment of a compression space.
- an ultrasonic welding system is shown in the existing aluminum or aluminum-containing strands, that is their fine wires or wires, each other to an end or passage node or with a solid support such as stamped or bent part, z. B. a U-shape, are welded.
- the plant comprises an ultrasonic welding device or machine 10, which has a converter 12, optionally a booster 14 and a sonotrode 16.
- the sonotrode 16, that is the head and thus the welding surface are a counter electrode 20 - also called anvil - and sideshifter 21, 23 assigned to surround a compression space, which is shown in principle in Fig. 2 in an enlarged view.
- the compression chamber 30 made of aluminum or aluminum-containing strands, consisting of individual thin wires or veins 32, 34, are welded by means of ultrasound, they are placed in the compression space 30, of a working surface 38 of Sonotrode 36, a working surface 40 of the opposite and along the double arrow 42 displaceable counter electrode (anvil 44) and work surfaces 46, 48 is limited by a the anvil 44 receiving support 50 - also called column - or arranged on this Touchierplatte 51 and a side shifter 52 go out.
- the practice shows that an alloying of the strands, that is, their thin wires and veins 32, 34 takes place on the working surfaces 46, 48 of the side boundaries of the compression space 30, ie the static tool parts that limit the compression space 30.
- the reason for this is probably that in the area of the lateral boundaries, the greatest repetitive movement takes place between the strands and the tool parts, so that the aluminum, which begins to flow or transforms into a doughy phase, is alloyed or adhered to the work surface, so that proper welding does not take place are feasible.
- the strands are surrounded by a film to preclude direct contact between the veins 32, 34 and the work surfaces 38, 40, 46, 48.
- the working surfaces 46, 48 to be coated with polycrystalline diamond (PCD) on the strand side, wherein the PCD in each case forms a layer 54, 56, the outer layer of a carrier 58, 60 is preferably made of hard metal, preferably through Brazing on the actual tool part, that is the side slider 52 or the Touchierplatte 51 is brazed hard.
- the layer 54, 56 and the carrier 58, 60 form a unit, which is then soldered onto the static tool parts 21, 23, 51, 52, 68, 70.
- the layer 54, 56 should have a minimum thickness of 0.1 mm, preferably a thickness between 0.2 mm and 0.7 mm.
- the volume fraction of the diamond grains should be between 90% by volume and 95% by volume and / or the grain size of the diamond grains in the range between 4 ⁇ m and 25 ⁇ m, a preferred range being between 4 ⁇ m and 7 ⁇ m.
- the teaching of the invention is not limited to the welding of existing aluminum or aluminum-containing strands with each other. Rather, the inventive design of the work surfaces 46, 48 of the side boundaries in the form of a PCD flooring also apply when mixed compounds are to be produced, ie z. B. made of aluminum strands with such z. B. are welded from copper or a welded joint between a solid carrier z. B. made of copper or aluminum or an alloy of this, in particular made of aluminum strands.
- the thickness of the PCD layer 54 or 56 should be in the range between 0.2 mm and 0.7 mm, in particular in the range between 0.4 mm and 0.5 mm.
- the thickness of the carrier 58, 60 should be in the range between 0.8 mm and 2.0 mm, in particular approximately 1 , 2 mm to 1.0 mm.
- the connection between the layer 54, 56, the carrier 58, 60 and the Touchierplatte 51 and the side shifter 52 performed in particular by means of brazing.
- FIG. 3 is a schematic representation of a section of an ultrasonic welding device, with a solid support 61, the z. B. may consist of copper, is welded to strands, which consist of aluminum or an aluminum alloy. Shown are individual wires or wires 62, 64.
- the carrier 61 forms in the embodiment lower boundary surface of a compression chamber 66 which is bounded laterally by slides 68, 70 and a working or welding surface 72 of a sonotrode 74 in a known manner.
- the carrier 61 itself is positioned on an anvil 76.
- PCD polycrystalline diamond
- the side slides 68, 70 can have notches or cutouts 86, 88 on the anvil side, within which the longitudinal edges of the carrier 61 run.
- the working surface 72 of the sonotrode 74 has the geometry of an open trapezoid.
- the short base leg forms the bottom surface 88.
- the bottom surface 88 is bounded by side legs 90, 92, wherein the inner surfaces 94, 96 of the legs 88, 90 to the bottom surface 88 should each describe an angle between 100 ° and 145 °.
- the geometry of the welding surface 72 that is, that of an open trapezoid, has the advantage that the total lateral forces occurring during welding are absorbed by the legs 90, 92 of the working surface 72, which additionally increases the tendency for aluminum to adhere to the lateral boundaries of the workpiece Compression space 66 is reduced.
- T means the height above the floor surface 88.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Resistance Welding (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT08847035T ATE556472T1 (de) | 2007-11-09 | 2008-11-07 | Verfahren zum reduzieren des anlegierens von aluminium sowie ultraschallschweissvorrichtung |
JP2010532609A JP5199379B2 (ja) | 2007-11-09 | 2008-11-07 | アルミニウムの拡散結合を減じるための方法および超音波溶接装置 |
US12/739,752 US8684258B2 (en) | 2007-11-09 | 2008-11-07 | Process for reducing aluminium pick-up, and ultrasonic welding device |
KR1020107012170A KR101498515B1 (ko) | 2007-11-09 | 2008-11-07 | 알루미늄 취출을 감소시키기 위한 방법 및 초음파 용접 디바이스 |
EP08847035.6A EP2210317B2 (de) | 2007-11-09 | 2008-11-07 | Verfahren zum reduzieren des anlegierens von aluminium sowie ultraschallschweissvorrichtung |
PL08847035T PL2210317T5 (pl) | 2007-11-09 | 2008-11-07 | Sposób zredukowania przywierania aluminium, oraz urządzenie do spawania ultradźwiękowego |
BRPI0820178-1A BRPI0820178B1 (pt) | 2007-11-09 | 2008-11-07 | Processo para reduzir a absorção de alumínio e equipamento de solda por ultrassom |
CN2008801151209A CN101855796B (zh) | 2007-11-09 | 2008-11-07 | 减小铝的粘合的方法和超声波焊接装置及其工作面的应用 |
MX2010005042A MX2010005042A (es) | 2007-11-09 | 2008-11-07 | Metodo para reducir la atraccion de aluminio y dispositivo de soldadura ultrasonica. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007053913A DE102007053913A1 (de) | 2007-11-09 | 2007-11-09 | Verfahren zum Reduzieren des Anlegierens von Aluminium sowie Ultraschallschweißvorrichtung |
DE102007053913.6 | 2007-11-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009060080A2 true WO2009060080A2 (de) | 2009-05-14 |
WO2009060080A3 WO2009060080A3 (de) | 2009-07-16 |
Family
ID=40512542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/065162 WO2009060080A2 (de) | 2007-11-09 | 2008-11-07 | Verfahren zum reduzieren des anlegierens von aluminium sowie ultraschallschweissvorrichtung |
Country Status (12)
Country | Link |
---|---|
US (1) | US8684258B2 (de) |
EP (1) | EP2210317B2 (de) |
JP (1) | JP5199379B2 (de) |
KR (1) | KR101498515B1 (de) |
CN (1) | CN101855796B (de) |
AT (1) | ATE556472T1 (de) |
BR (1) | BRPI0820178B1 (de) |
DE (1) | DE102007053913A1 (de) |
MX (1) | MX2010005042A (de) |
PL (1) | PL2210317T5 (de) |
PT (1) | PT2210317E (de) |
WO (1) | WO2009060080A2 (de) |
Cited By (5)
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JP2011000584A (ja) * | 2009-06-18 | 2011-01-06 | Honda Motor Co Ltd | コールドスプレー用ノズル |
WO2011076515A1 (de) * | 2009-12-23 | 2011-06-30 | Schunk Sonosystems Gmbh | Verfahren und anordnung zum elektrisch leitenden verbinden von drähten |
DE102012215191A1 (de) | 2012-03-14 | 2013-09-19 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Werkzeug für Ultraschallschweißvorrichtung |
EP2625746B1 (de) * | 2010-10-06 | 2017-11-01 | Sonics & Materials, Inc. | System und verfahren zur klemmung von aluminiumleitern |
EP3536436A1 (de) | 2018-03-09 | 2019-09-11 | Telsonic Holding AG | Vorrichtung und verfahren zum verbinden von werkstücken |
Families Citing this family (8)
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JP2012192413A (ja) * | 2011-03-15 | 2012-10-11 | Yazaki Corp | 超音波接合方法 |
US20130213552A1 (en) * | 2012-02-20 | 2013-08-22 | Branson Ultrasonics Corporation | Vibratory welder having low thermal conductivity tool |
DE102013107637A1 (de) * | 2013-07-18 | 2015-01-22 | Schunk Sonosystems Gmbh | Verfahren zur Herstellung eines Knotens durch Schweißen |
DE102013219150A1 (de) * | 2013-09-24 | 2015-04-09 | Elringklinger Ag | Verfahren zum Herstellen einer elektrisch leitenden Verbindung zwischen einer elektrischen Leitung und einem elektrisch leitenden Bauteil |
DE102014006244A1 (de) * | 2014-04-28 | 2015-10-29 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Crimp-Schweißverbindung |
CN109285634B (zh) * | 2017-07-21 | 2021-10-22 | 矢崎(中国)投资有限公司 | 扁平电缆的金属芯线一体化连接方法以及扁平电缆 |
DE102017119809A1 (de) * | 2017-08-29 | 2019-02-28 | Schunk Sonosystems Gmbh | Verfahren zum Schweißen von elektrischen Leitern sowie Ultraschallmetallschweißvorrichtung |
CN114599477A (zh) * | 2019-09-26 | 2022-06-07 | 环球机械有限公司 | 用于焊接的背衬材料 |
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- 2008-11-07 WO PCT/EP2008/065162 patent/WO2009060080A2/de active Application Filing
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- 2008-11-07 EP EP08847035.6A patent/EP2210317B2/de active Active
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2011000584A (ja) * | 2009-06-18 | 2011-01-06 | Honda Motor Co Ltd | コールドスプレー用ノズル |
WO2011076515A1 (de) * | 2009-12-23 | 2011-06-30 | Schunk Sonosystems Gmbh | Verfahren und anordnung zum elektrisch leitenden verbinden von drähten |
CN102870292A (zh) * | 2009-12-23 | 2013-01-09 | 申克索诺系统有限责任公司 | 用于导电地连接线材的方法和设备 |
EP2978085A2 (de) | 2009-12-23 | 2016-01-27 | Schunk Sonosystems Gmbh | Verfahren und anordnung zum elektrisch leitenen verbinden von drähten |
CN102870292B (zh) * | 2009-12-23 | 2016-06-01 | 申克索诺系统有限责任公司 | 用于导电地连接线材的方法和设备 |
EP2517315B1 (de) | 2009-12-23 | 2016-08-10 | Schunk Sonosystems GmbH | Verfahren und anordnung zum elektrisch leitenden verbinden von drähten |
EP2625746B1 (de) * | 2010-10-06 | 2017-11-01 | Sonics & Materials, Inc. | System und verfahren zur klemmung von aluminiumleitern |
DE102012215191A1 (de) | 2012-03-14 | 2013-09-19 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Werkzeug für Ultraschallschweißvorrichtung |
US8727201B2 (en) | 2012-03-14 | 2014-05-20 | Telsonic Holding Ag | Tool for ultrasonic welding device |
EP3536436A1 (de) | 2018-03-09 | 2019-09-11 | Telsonic Holding AG | Vorrichtung und verfahren zum verbinden von werkstücken |
Also Published As
Publication number | Publication date |
---|---|
WO2009060080A3 (de) | 2009-07-16 |
PL2210317T5 (pl) | 2020-07-13 |
MX2010005042A (es) | 2010-05-27 |
US20120125976A1 (en) | 2012-05-24 |
KR20100102105A (ko) | 2010-09-20 |
JP5199379B2 (ja) | 2013-05-15 |
PT2210317E (pt) | 2012-07-16 |
BRPI0820178B1 (pt) | 2020-01-07 |
DE102007053913A1 (de) | 2009-05-20 |
EP2210317A2 (de) | 2010-07-28 |
ATE556472T1 (de) | 2012-05-15 |
JP2011502789A (ja) | 2011-01-27 |
EP2210317B1 (de) | 2012-05-02 |
BRPI0820178A2 (pt) | 2015-06-16 |
CN101855796B (zh) | 2013-03-13 |
PL2210317T3 (pl) | 2012-09-28 |
KR101498515B1 (ko) | 2015-03-04 |
CN101855796A (zh) | 2010-10-06 |
US8684258B2 (en) | 2014-04-01 |
EP2210317B2 (de) | 2020-03-25 |
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