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Processing technology for improving bending performance of tab copper strip

A processing technology and technology for copper strips, which are applied in the field of processing technology to improve the bending performance of tab copper strips, can solve problems such as the inability to apply copper strip production technology, and achieve the advantages of overcoming uneven annealing, uniform product performance and consistent heat flow direction. Effect

Inactive Publication Date: 2019-01-18
ANHUI CHUJIANG TECHCAL NEW MATERIAL CO LTD
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AI Technical Summary

Problems solved by technology

[0007] This application improves the bending performance of finished aluminum-magnesium alloy sheets, but this application only works on aluminum-magnesium alloys and cannot be applied to the production process of copper strips

Method used

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  • Processing technology for improving bending performance of tab copper strip
  • Processing technology for improving bending performance of tab copper strip

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Embodiment 1

[0043] The invention provides a processing technology for improving the bending performance of tab copper strips. Through the process, tab copper strips with Vickers hardness of 50-55HV and bending times ≥ 7 can be obtained, and the copper content is >99.95%. Phosphorus Content≤0.003%, iron content≤0.005%, lead content≤0.005%.

[0044] A processing technology for improving the bending performance of a tab copper strip, comprising the following steps: (1) smelting and drawing → (2) hot rolling → (3) milling → (4) rough rolling → (5) trimming → ( 6) Primary annealing → (7) Primary cleaning → (8) Intermediate rolling → (9) Secondary annealing → (10) Secondary cleaning → (11) Finish rolling → (12) Air cushion furnace annealing cleaning → (13) Stretch bending Straightening → (14) Slitting and delivery.

[0045] Step (1) Smelting and drawing casting: use cathodic electrolytic copper with a purity >99.9% as raw material to ensure the purity of copper, and control the phosphorus cont...

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Abstract

The invention discloses a processing technology for improving the bending performance of a tab copper strip and belongs to the technical field of non-ferrous metal copper rolling and heat treatment. The processing technology comprises the following steps: (1) smelting and pulling; (2) hot-rolling; (3) milling; (4) roughing; (5) trimming; (6) primary annealing; (7) primary cleaning; (8) middle rolling; (9) secondary annealing; (10) secondary cleaning; (11) finish rolling; (12) annealing and cleaning in air cushion furnace; (13) stretching bent part and straightening; (14) cutting and delivering. The processing technology is used for improving the bending performance of the tab copper strip. The prepared end product has a Vickers hardness of 50-55HV and bending times of more than or equal to7 and meets the requirement of the invention.

Description

technical field [0001] The invention relates to the technical field of non-ferrous metal copper rolling and heat treatment, and more specifically relates to a processing technology for improving the bending performance of tab copper strips. Background technique [0002] At present, among commercial rechargeable batteries, lithium-ion batteries have three major characteristics of the current battery industry development due to their high volume specific energy and mass specific energy, rechargeable and non-polluting, so they have a relatively large share in most countries in the world. With the rapid growth, my country is also vigorously carrying out technical research on lithium batteries. [0003] Tabs are a raw material for lithium-ion polymer battery products. The battery is divided into positive and negative poles, and the tabs are the metal conductors that lead the positive and negative poles out of the battery. In layman's terms, the ears of the positive and negative p...

Claims

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Application Information

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IPC IPC(8): C22F1/08C22C9/00B23P15/00
CPCB23P15/00C22C9/00C22F1/08
Inventor 梅桂林胡勇孙红刚都敏生樊金金马子超
Owner ANHUI CHUJIANG TECHCAL NEW MATERIAL CO LTD
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