EP2742520A1 - Verfahren zur herstellung eines elektrischen kontakttraegers - Google Patents
Verfahren zur herstellung eines elektrischen kontakttraegersInfo
- Publication number
- EP2742520A1 EP2742520A1 EP12756398.9A EP12756398A EP2742520A1 EP 2742520 A1 EP2742520 A1 EP 2742520A1 EP 12756398 A EP12756398 A EP 12756398A EP 2742520 A1 EP2742520 A1 EP 2742520A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- contact material
- receiving area
- base
- carrier
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
- H01H11/042—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion by mechanical deformation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier
-
- 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
-
- 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
- H01R43/0263—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 for positioning or holding parts during soldering or welding process
-
- 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
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
- H01R43/0482—Crimping apparatus or processes combined with contact member manufacturing mechanism
-
- 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
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
-
- 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
- H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
-
- 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
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier
- H01H2011/067—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier by deforming, e.g. bending, folding or caulking, part of the contact or terminal which is being mounted
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49121—Beam lead frame or beam lead device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49174—Assembling terminal to elongated conductor
- Y10T29/49179—Assembling terminal to elongated conductor by metal fusion bonding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49204—Contact or terminal manufacturing
- Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49204—Contact or terminal manufacturing
- Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
- Y10T29/4921—Contact or terminal manufacturing by assembling plural parts with bonding
- Y10T29/49211—Contact or terminal manufacturing by assembling plural parts with bonding of fused material
- Y10T29/49213—Metal
Definitions
- the invention relates to a method for producing an electrical contact carrier according to claim 1.
- electrical switchgear electrical contacts are provided to close a current path through the switching device or keep closed, or to open or keep open.
- the relevant contacts are arranged on movable or immovable or housing-fixed contact carriers. This separate training of the contact on a contact carrier has prevailed due to the high demands on the contacts.
- short-term arcing events occur, which in turn leads to material removal and high thermal stress on the material.
- the contacts are exposed to environmental influences, and should have over a long time good electrical properties, which, however, can be affected by oxide layers.
- the contacts are therefore made of special materials to meet the correspondingly high requirements.
- Common contact materials for electrical contracts contain precious metals such as silver or gold. These materials are rare and costly.
- contact carriers wherein the contact carrier is formed of copper or a copper alloy, on which an electrical contact of a silver and / or gold alloy is arranged. It is provided according to a common method to manufacture the contact carrier from a complex semi-finished product in the form of a bimetal consisting of a copper alloy for the contact carrier and a noble metal alloy as a contact material for the actual contact. Due to the manufacturing process, the majority of the noble metal alloy is removed from the semifinished product. It is intended, for example, that the majority of the noble metal alloy, apart from the region which is to form the contact itself, is removed by a punching process. However, by means of this economically efficient step, the area of the contact to be formed becomes such in FIG Having suffered, that despite a subsequent embossing step at the edges of the contacts can lead to quality problems, which is a corresponding
- the object of the invention is therefore to provide a method of the type mentioned, with which the mentioned disadvantages can be avoided, with which reduces the cost of contact material and the manufacturing quality of the contacts can be increased.
- a contact carrier can be formed with an electrical contact, wherein only a small amount of contact material is obtained. Due to the rational use of the generally at least one noble metal comprehensive contact material, the cost of a finished contact carrier can be significantly reduced. Furthermore, valuable and rare resources can be saved. By dispensing with punching the
- Contact material in the region of the contact to be formed can further increase the manufacturing quality in this area significantly, whereby the committee can be reduced and the quality assurance measures applied can be reduced. As a result, the production cost can be reduced and the quality can be increased.
- the figure shows an area of a manufacturing arrangement for the production of contact carriers 1 according to a method wherein provision is made to produce a base profile 3 in a base material 4, wherein a contact material 5 is subsequently applied to a contact receiving area 6 is applied, wherein the contact material 5 is formed into a contact 7, and wherein subsequently the contact carrier 1 is removed from the base material 4.
- a contact carrier 1 can be formed with an electrical contact 7, wherein only small waste of contact material 5 is obtained.
- the contact material 5 which generally comprises at least one precious metal, the costs for a finished contact carrier 1 can be significantly reduced. Furthermore, valuable and rare resources can be saved.
- Contact material 5 in the region of the contact 7 to be formed can further the
- Production quality in this area can be significantly increased, which can reduce the rejects and reduce the quality assurance measures applied. As a result, the production cost can be reduced and the quality can be increased.
- the single FIGURE shows a partial area of a manufacturing arrangement in which, in a type of pipelining, a respective method step is carried out on one and the same base material 4, which is optionally moved on between the method steps to the following arranged tool.
- the subject method is provided for producing a contact carrier 1, which may be any type of contact carrier 1 of a switching device, therefore a device which directly carries or has an electrical contact. It is particularly preferred that the contact carrier 1 is a switching bridge 2 of a safety switching device, in particular a circuit breaker or a
- Circuit breaker acts. At switching bridges 2 such safety relays special requirements are made, since these must open circuits in the event of a short circuit, in which currents flow in the range of several thousand amps.
- the contact carrier 1 is, except for the contact 7 itself, from the material of
- the base material 4 denotes the semifinished product from which the contact carrier 1 is made, and whose material consists essentially of this. It is preferably provided that the base material 4 includes a substantial portion of copper. Preferably, the base material 4 is a metal strip or a metal cuboid of sufficient thickness. Under contact 7 is in each case a region of the contact carrier 1 to understand, which is provided and designed to be within an electrical switching device in physical contact to connect with another component, and to form such an electrically conductive connection. The contact 7 can be easily recognized as such by its shape and its exposed or projecting arrangement on the contact carrier 1 as a rule. In addition, the contact 7 is formed from a contact material 5, which differs from the material of the base material 4. It is preferably provided that the contact material 5 comprising a noble metal, in particular silver and / or gold, is formed, wherein it can further be provided that the contact material 5 includes copper.
- a base profile 3 is produced in the base material 4.
- the base profile 3 preferably forms the contour of the contact carrier 1 on at least one side, in particular the side on which the contact 7 is formed. It can be provided to work out the base profile 3 in different ways from the base material 4, for example by means of cutting shaping methods such as milling or filing. It is preferably provided that the base profile 3 according to13panabariader method, in particular by punching and / or embossing, is produced in the base material 4. Such methods have particular advantages in mass production. The figure shows that
- a contact material 5 is applied to a contact receiving area 6.
- the contact receiving area 6 denotes the area at which the electrical contact 7 is to be arranged. It can be provided that the
- Contact receiving area 6 is already formed during production of the base profile 3.
- the single FIGURE shows on the left side an already produced base profile 3 with an embossing stamp 8 before
- the contact material 5 is welded or welded to the contact receiving area 6, which manufacturing technology easily automated a secure and permanent connection between the contact material 5 and the
- Contact receiving area 6 can be created. There may be provided different welding methods.
- the contact material 5 is applied as a wire-shaped contact material 5 on the contact receiving area 6. This results in the particularly advantageous possibility - when welding the contact material 5 with the
- wire-shaped contact material 5 As a welding wire, and to make do without changes to existing welding robots.
- wire-shaped refers to a metal strand whose middle
- the wire-shaped contact material 5 may have any cross-section, wherein it is preferably provided that the wire-shaped contact material 5 has a circular, elliptical or rectangular cross-section. But it can also be provided more complex geometric cross-sectional shapes. It is particularly preferably provided that the cross-section of the wire-shaped contact material 5 is selected such that the subsequent shaping of the contact is assisted by arranging correspondingly more contact material by forming the cross-section at regions where more contact material is required, and vice versa versa. This can be achieved, for example, by teeth, gear-like or sinusoidal, recesses at the edge of the cross-section of the wire-shaped contact material 5. For example, a cross-sectional profile may be provided corresponding to a Torx screwdriver.
- the single figure symbolically shows a part of the wire-shaped contact material 5 above an already welded, but not yet finished finished contact 7. Especially when applying the contact material 5 as a wire-shaped contact material 5 may slightly more contact material 5 on the contact receiving area. 6 have been applied as required. Since this can subsequently have a negative effect, it is provided according to a preferred embodiment of the subject method that after application of the contact material 5 on the contact receiving area 6 excess contact material 5 is separated.
- the single figure stylized shows the blades of a separating device 10. The thereby separated contact material 5 is still the pure contact material 5, which makes it easy to recycle the contact material 5.
- the contact material 5 is formed into a contact 7.
- the applied contact material 5 is changed in its shape in order to meet the particular requirements of the shaping of electrical contacts 5.
- different mechanical methods may be provided, such as grinding or etching.
- the applied contact material 5 is formed by embossing into a contact 7. This represents a particularly well automatable process with which consistently consistent quality can be achieved.
- the figure shows in this respect a corresponding Griffin josgestève 11. Due to the applied contact material of this embossing process can be done much better and with significantly less waste than in the known method described above.
- the contact carrier 1 is removed from the base material 4.
- the contact carrier 1 is punched from the base material 4.
- the figure shows the base material 4, below the contact embossing die 11 already the outline of the contact carrier 1 are shown by dashed lines, and right of the base material 4 a punched-finished contact carrier. 1
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Switches (AREA)
- Contacts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161522846P | 2011-08-12 | 2011-08-12 | |
| ATA1181/2011A AT511757B1 (de) | 2011-08-12 | 2011-08-12 | Verfahren zur herstellung eines elektrischen kontaktträgers |
| PCT/EP2012/065828 WO2013024073A1 (de) | 2011-08-12 | 2012-08-13 | Verfahren zur herstellung eines elektrischen kontakttraegers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2742520A1 true EP2742520A1 (de) | 2014-06-18 |
| EP2742520B1 EP2742520B1 (de) | 2018-06-06 |
Family
ID=47681267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12756398.9A Active EP2742520B1 (de) | 2011-08-12 | 2012-08-13 | Verfahren zur herstellung eines elektrischen kontakttraegers |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9991067B2 (de) |
| EP (1) | EP2742520B1 (de) |
| CN (1) | CN103765539A (de) |
| AT (1) | AT511757B1 (de) |
| WO (1) | WO2013024073A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634432B (zh) * | 2017-07-31 | 2024-06-11 | 芜湖顺成电子有限公司 | 电线端头自动导滑石粉装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE701293C (de) | 1938-11-13 | 1941-01-13 | Telefunken Gmbh | Pendelumrichter |
| GB593171A (en) * | 1944-06-10 | 1947-10-09 | Igranic Electric Co Ltd | Improvements in or relating to electrical contacts |
| US3164708A (en) | 1960-10-27 | 1965-01-05 | Automatic Elect Lab | Precious metal tip for strowger switch wipers |
| US3502836A (en) | 1966-10-14 | 1970-03-24 | Scott & Fetzer Co | Electrical rivet contact |
| US3995365A (en) * | 1975-01-13 | 1976-12-07 | Otto Engineering, Inc. | Method of forming electrical contacts |
| US4253234A (en) * | 1978-12-26 | 1981-03-03 | The Bendix Corporation | Method of making electrical contact |
| JPS56123627A (en) | 1980-03-03 | 1981-09-28 | Tetsuo Takano | Method of manufacturing electric contact |
| DE3414656C2 (de) * | 1984-04-18 | 1987-02-19 | Inovan-Stroebe GmbH & Co KG, 7534 Birkenfeld | Verfahren zum Herstellen von Kontaktbauteilen |
| GB2262195B (en) * | 1991-11-27 | 1995-08-16 | Strix Ltd | Electrical contacts |
| JPH05251155A (ja) * | 1992-03-06 | 1993-09-28 | Tanaka Kikinzoku Kogyo Kk | 電気接触片の製造方法 |
| JPH0660925A (ja) * | 1992-08-03 | 1994-03-04 | Sharp Corp | 電気回路基板 |
| JPH06260050A (ja) * | 1993-03-04 | 1994-09-16 | Tanaka Kikinzoku Kogyo Kk | 電気接点の製造方法 |
| JP3368451B2 (ja) * | 1995-03-17 | 2003-01-20 | 富士通株式会社 | 回路基板の製造方法と回路検査装置 |
| JP2001126797A (ja) * | 1999-10-22 | 2001-05-11 | Quasar System Inc | 電気コネクタ用端子 |
| JP3801889B2 (ja) * | 2001-09-07 | 2006-07-26 | 住友電装株式会社 | 端子金具 |
| JP3770205B2 (ja) * | 2002-05-24 | 2006-04-26 | 住友電装株式会社 | 端子金具 |
| CN2746500Y (zh) * | 2004-11-12 | 2005-12-14 | 乐清市东星电器有限公司 | 一种电触头及用于电触头焊接的焊接电极 |
| EP2151891A1 (de) * | 2008-08-06 | 2010-02-10 | Sumitomo Wiring Systems, Ltd. | Anschlussstück und Verfahren zu seiner Formung |
-
2011
- 2011-08-12 AT ATA1181/2011A patent/AT511757B1/de not_active IP Right Cessation
-
2012
- 2012-08-13 WO PCT/EP2012/065828 patent/WO2013024073A1/de not_active Ceased
- 2012-08-13 CN CN201280039345.7A patent/CN103765539A/zh active Pending
- 2012-08-13 EP EP12756398.9A patent/EP2742520B1/de active Active
- 2012-08-13 US US14/237,906 patent/US9991067B2/en active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013024073A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US9991067B2 (en) | 2018-06-05 |
| US20140237818A1 (en) | 2014-08-28 |
| AT511757B1 (de) | 2013-06-15 |
| CN103765539A (zh) | 2014-04-30 |
| AT511757A1 (de) | 2013-02-15 |
| WO2013024073A1 (de) | 2013-02-21 |
| EP2742520B1 (de) | 2018-06-06 |
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