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Method for manufacturing copper-clad aluminum composite panel belt

A technology of composite strip and manufacturing method, which is applied in the direction of manufacturing extensible conductors/cables, metal rolling, metal/alloy conductors, etc., can solve the problems of difficult large-scale production, high manufacturing difficulty, and high manufacturing cost, and meet the requirements of Application needs, reducing the number of intermediate annealing, and reducing the effect of production costs

Inactive Publication Date: 2010-11-03
SHANGHAI UNIV OF ENG SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the defects of the above-mentioned prior art, the present invention provides a method for manufacturing copper-clad aluminum composite strips, which overcomes the disadvantages that copper and aluminum are difficult to press and form, and solves the problems of low production efficiency, high manufacturing difficulty, and High cost, difficult to achieve large-scale production and other issues

Method used

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  • Method for manufacturing copper-clad aluminum composite panel belt
  • Method for manufacturing copper-clad aluminum composite panel belt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Step 1: Preparation of copper-clad aluminum core-clad casting billet

[0040] 〔1〕The outer diameter D of 8 1 50mm wall thickness b 1 1mm length H 1 The inner wall of the 900mm copper pipe 1 needs to be strictly cleaned with alkali and water before casting, and the inner wall is rotated and roughened with emery cloth. The 8 gates of the sand box 3 are inserted vertically and fixed respectively by a piece of Ω-shaped chuck 2 with holes fixed by bolts on both sides of the surface;

[0041] (2) Put the dried charcoal powder 5 from the mouth of each copper tube 1 so that its thickness is 20mm;

[0042] 〔3〕The pure aluminum block is heated to 750 ℃ ​​to become pure aluminum liquid 6 and injected into the outer diameter D of the device for preparing copper-clad aluminum core-clad casting billets 2 100mm wall thickness b 2 1mm length H 2 The distance t between the vertical center line of the L-shaped nozzle 4 and the sand box 3 with side holes is 900mm 2 120mm, and then ...

Embodiment 2

[0050] Step 1: Preparation of copper-clad aluminum core-clad casting billet

[0051] 〔1〕The outer diameter D of 28 1 250mm wall thickness b 1 2mm length H 1 The inner wall of the copper pipe 1 with a diameter of 1500mm must be strictly cleaned with alkali and water before casting, and the inner wall shall be roughened by rotation with emery cloth. The 28 gates of the sand box 3 are inserted vertically and fixed respectively by a piece of Ω-shaped chuck 2 with holes fixed by bolts on both sides of the surface;

[0052] (2) Put the dried charcoal powder 5 from the mouth of each copper tube 1 so that its thickness is 30mm;

[0053] 〔3〕The pure aluminum block is heated to 800 ℃ to become pure aluminum liquid 6 and injected into the outer diameter D of the device for preparing copper-clad aluminum core-clad casting billets 2 350mm wall thickness b 2 2mm length H 2 The distance t between the vertical center line of the L-shaped nozzle 4 and the sand box 3 with side holes is 16...

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Abstract

The invention belongs to the manufacturing field of duplex metal composite panel belt, and discloses a method for manufacturing a copper-clad aluminum composite panel belt. The manufacturing method comprises two steps of the preparation of copper-clad and aluminum-clad core casting blank and the manufacture of the copper-clad aluminum composite panel belt. The method has simple processing technique, firm combination of copper-aluminum duplex metals, and low requirements for the carrying capacity of the process equipment, thereby being easy to realize continuous production and automation production, better improving the quality and the production efficiency of the products, reducing the production cost, and meeting the application needs.

Description

Technical field: [0001] The invention belongs to the field of manufacturing bimetallic composite strips, and relates to a method for manufacturing copper-clad aluminum composite strips. Background technique: [0002] The reserves of aluminum in the earth's crust are extremely rich, about 5%, second only to iron, and the market price is relatively low, with good ductility and light specific gravity, while copper resources are relatively scarce, expensive, and have high thermal conductivity , good conductivity, good plasticity, easy processing, and sufficient strength at high temperatures, so aluminum is used instead of copper, and copper-aluminum composite strips are developed instead of copper strips for electrical devices, conductive devices, etc. On the one hand, precious copper can be saved On the other hand, it can retain the superior electrical conductivity and good thermal conductivity of copper, and at the same time have the appearance of copper metal. Copper-aluminum...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/008H01B5/02H01B1/02B22D19/16B21C1/16B21B1/38
Inventor 刘淑梅
Owner SHANGHAI UNIV OF ENG SCI
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