Novel process for welding copper strip and aluminum strip

A welding process, a new type of copper strip technology, applied in welding equipment, welding/welding/cutting items, manufacturing tools, etc., can solve problems such as continuous production of production lines, achieve reasonable operation, low manufacturing costs, and improve connection strength and process. controllable effect

Inactive Publication Date: 2009-12-02
XIAN MEHAT IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a new type of welding process for copper and aluminum strips in view of the deficiencies in the above-mentioned prior art. Effectively solve the problem of continuous production in the production line existing in the existing copper and aluminum strip production process

Method used

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  • Novel process for welding copper strip and aluminum strip
  • Novel process for welding copper strip and aluminum strip

Examples

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Effect test

Embodiment 1

[0029] In this embodiment, the base material 1 is a copper strip with a thickness of 1.2 mm. When stacking the two base materials 1 after aligning their ends, it is necessary to ensure that the ends of the two base materials 1 are always aligned. The end-to-end connection part of the two substrates 1 is the part where the two substrates 1 are connected after being welded and fixed, that is, the part where the two substrates 1 are stacked end to end in this step. If necessary, the length of the head-to-tail connection part of the two substrates 1 is adjusted, generally for the purpose of saving materials, and the shorter the length of this part, the better, usually 5mm-30mm. The thickness of the auxiliary material 2 is the same as that of the base material 1, that is, the thickness of the auxiliary material 2 is 1.2 mm, and the auxiliary material 2 is low carbon steel. After aligning the two pieces of copper strips to be welded head to tail and stacking the head and tail connec...

Embodiment 2

[0031] In this embodiment, the difference from Embodiment 1 is that the thickness of the copper strip is 0.01 mm, the thickness of the low carbon steel plate is 0.05 mm, and the rest of the welding steps and process conditions are the same as in Embodiment 1.

Embodiment 3

[0033] In this example, the difference from Example 1 is that the thickness of the copper strip is 0.02 mm, the thickness of the low carbon steel plate is 0.05 mm, and the rest of the welding steps and process conditions are the same as in Example 1.

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Abstract

The invention discloses a novel process for welding a copper strip and an aluminum strip, which comprises the following steps: firstly, aligning two copper strip materials or aluminum strip materials required to be connected, namely the heads and the tails of base materials, and then overlapping the joint parts of the heads and the tails of the two base materials; secondly, underlaying an auxiliary welding plate, namely an auxiliary material to the upper side and the lower side of the overlapped joint parts of the heads and the tails of the two base materials respectively so that the two auxiliary materials clamp the overlapped joint parts of the heads and the tails of the two base materials in the middle; and thirdly, heating the two auxiliary materials and the two base materials clamped between the two auxiliary materials at the same time from the upper side and the lower side by adopting an electric resistance welding device, and before the two base materials are melted and welded together and the auxiliary materials are not melted, stopping heating to finish the welded connection of the two base materials. The process has the advantages of novel and reasonable design, simple and convenient use and operation, high production efficiency, low manufacturing cost, good welding effect and reliable connection, and can effectively solve the problem of production line continuous production in the prior production process of the copper and aluminum strip materials.

Description

technical field [0001] The invention belongs to the technical field of production and processing of copper strips and aluminum strips, and in particular relates to a new welding process for copper strips and aluminum strips. Background technique [0002] In the production line for the production, manufacture and processing of metal strips, it is generally necessary to connect the ends of two adjacent sections of processed metal strips with a certain strength to achieve the purpose of continuous production on the production line. Both are connected by welding. However, for copper and aluminum strips with low melting point and thin thickness, the traditional welding method cannot meet the production process requirements. The production efficiency of such copper and aluminum strips. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a new type of welding process for copper and aluminum strips in view of the deficienc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/20B23K11/36B23K101/16B23K103/18B23K103/12B23K103/10
Inventor 曹跃进
Owner XIAN MEHAT IND TECH
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