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Method for producing two- or three-dimensionally shaped flat conductors from metal

A technology of three-dimensional forming and metal manufacturing, which is applied in the direction of contact manufacturing, metal processing equipment, root rod/rod/wire/strip conductor, etc., and can solve problems such as long takt time

Active Publication Date: 2022-07-12
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Laser- and water-jet cutting also has long cycle times

Method used

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  • Method for producing two- or three-dimensionally shaped flat conductors from metal
  • Method for producing two- or three-dimensionally shaped flat conductors from metal
  • Method for producing two- or three-dimensionally shaped flat conductors from metal

Examples

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Embodiment Construction

[0045] exist figure 1 The figure illustrates the production of the wire part 110 by cutting the wire semi-finished product 100 , which, for example, is removed from the coil. The straight wire member 110 has a circular cross-section. Next, the wire member 110 is as in figure 2 It is formed in the die-bending tool 200 as illustrated in Fig. Here, the wire part 110 is bent differently at a plurality of bending points, so that a plurality of curved sections (bending points) and straight sections lying in a plane are produced. The die bending tool 200 has an upper die or tool 210 and a lower die or tool 220 which are configured with a die cavity 230 adapted to the profile of the wire. The bending is achieved by the sinking of the upper die 210 . The lower mold 220 is constructed in sections and has an intermediate section 225 which secures the wire part 110 against the upper mold 210 before bending.

[0046] After the wire is bent, the bent wire piece 110' is flattened in th...

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Abstract

The invention relates to a method for producing a two- or three-dimensionally shaped flat conductor (120) from metal, with the following steps: - providing a wire part (110') with a corresponding length; - bending the wire part ( 110'), wherein a two-dimensional shape is produced; - flattening the bent wire part (110'), wherein a corresponding two-dimensionally shaped flat profile is produced from the two-dimensionally shaped wire part (110'); - if necessary The flat profile is also bent, wherein a three-dimensionally shaped flat profile (120) is produced from the two-dimensionally shaped flat profile (120).

Description

technical field [0001] The invention relates to a method for producing two- or three-dimensionally shaped flat conductors from metal. Background technique [0002] Flat conductors of the type referred to here are components formed from metals or metal alloys with a solid flat cross-section and are used, for example, in motor vehicles as electrical connecting elements for the transmission of electrical current, in particular in two- or three-position In the ampere range of the number of digits (for example in power electronics or for connecting consumers). Such flat conductors are sometimes also referred to as busbars. In contrast to cables which are usually flexible and layable, such flat conductors or busbars are rigid and have a two-dimensional or two-dimensional or three-dimensional shape, which is specified by the corresponding production and adapted to the respective application purpose. Or three-dimensional stretch (Verlauf). [0003] Two-dimensionally shaped flat c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21F1/00B21F5/00B21J5/02H01B5/02
CPCB21F1/00B21J5/02B21F1/004B21F5/005H01B5/02H01R43/16H02G5/00B21F5/00H01R2201/26
Inventor S.吕施J.科赫A.莱尔希A.博罗夫斯基
Owner VOLKSWAGEN AG
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