Assembly having two copper sheets screwed to each other and method for producing said assembly

A technology of threaded parts and copper sheets, which is applied in the direction of connecting components, threaded fasteners, and assembly of parts into assemblies, etc.

Inactive Publication Date: 2017-02-22
CONTINENTAL AUTOMOTIVE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, according to the disclosure in this document...

Method used

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  • Assembly having two copper sheets screwed to each other and method for producing said assembly

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Embodiment Construction

[0014] figure 1 The screw in has a screw head 1 which preferably has a recessed drive. In this context, the diameter of the screw head must be adapted to the recessed drive to be used, eg for Torx plus it is 2.5 mm. Both the screw material and the recessed drive must be designed for briefly very high rotational speeds of 4000 revolutions per minute and above.

[0015] At its end opposite the screw head 1 (advancing from the screw tip 6 to the calibration section 4 ), the screw has a flow hole forming region 5 which, in the example shown, is covered by Designed as a square tapering from calibration section 4 to the tip of the screw. After the alignment section 4 there follows a short thread-forming region 3 , adjacent to which is the carrier thread 2 .

[0016] According to the invention, a screw of this type is pressed with great force against the load-bearing support and a high rotational speed against the copper sheets to be joined, so that the screw entry point heats up ...

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Abstract

The invention relates to an assembly comprising two copper sheets, which are connected to each other by means of a screw connection, wherein the screw has been screwed directly into the copper sheets without screw holes having been provided, and to a method for producing said assembly.

Description

Background technique [0001] In the field of automotive electrical and automotive electronics, in particular in conjunction with the electrification of motor vehicles, more and more consumer goods are used which require high currents for operation. In order to keep losses as low as possible, the necessary electrical conductors must have only a small resistance. This can be achieved on the one hand by means of a correspondingly large cross-section, which is expensive due to the correspondingly high material outlay, or on the other hand by means of a correspondingly high electrical conductivity. In this context, copper remains the preferred choice due to its properties in this regard. These conductors, commonly called busbars, are generally made of copper sheets and must be connected to each other or also to other objects made of copper, such as press-in pins. For this, connection methods such as riveting, soldering or welding can be considered, although the high thermal conduc...

Claims

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Application Information

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IPC IPC(8): H01R4/30H01R43/26H01R43/00
CPCH01R4/30H01R43/00H01R43/26B21K25/005B21J5/066F16B5/02F16B25/0021F16B25/106F16B25/0084H01R4/56
Inventor C.布劳恩
Owner CONTINENTAL AUTOMOTIVE GMBH
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