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Manufacturing method of aluminum foil used for 1060 alloy cable

A manufacturing method and cable technology, which are applied in cable/conductor manufacturing, metal/alloy conductors, circuits, etc., can solve problems such as low elongation, inability to use aluminum foil for cables, and inability to meet higher requirements for use, and achieve a simple manufacturing process. , the effect of low cost

Active Publication Date: 2013-01-30
JIANGSU DINGSHENG NEW MATERIAL JOINT STOCK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

At present, 8011 alloy is usually used as the material of aluminum foil for cables, but although the elongation of aluminum foil for cables using 8011 alloy materials can meet the requirements of use, its tensile strength is usually 110-120MPa, and a better manufacturing process can reach 100 MPa. However, it still cannot meet the high requirements of use
And the cost of 8011 alloy material is also higher
For 1060 alloy, the tensile strength of aluminum foil manufactured by the usual process can meet the requirements of aluminum foil for cables, but its elongation is too low, usually only 15-20%, and cannot be used as aluminum foil for cables

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0013] The steps of the embodiment of the present invention are as follows:

[0014] 1. Melting

[0015] 1060 pure aluminum ingots are used for smelting, which must be degassed, slag removed, fully and evenly stirred; the temperature of the guide furnace is controlled within the range of 720-740°C; no intermediate alloys and other metal additives are added during the smelting process to ensure the quality of the melt.

[0016] 2. Casting and rolling

[0017] During casting and rolling production, ensure that the surface is free from defects such as black silk and black stripes, holes, slag inclusions, abrasions, and scratches. The thickness of the cast-rolled finished product is controlled at 6.8-7.0mm, in preparation for the subsequent rolling process to allocate reasonable rolling passes and arrange appropriate annealing thickness. The end faces of cast-rolled coils must not have any phenomenon of misalignment, lack of aluminum, and cold edges that affect the use; the prod...

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Abstract

The invention relates to a manufacturing method of aluminum foil used for a 1060 alloy cable. The manufacturing method sequentially comprises the following steps: a. smelting; b. roll casting, controlling the thickness to be 6.8-7.0mm; c. cold rolling and cogging, rolling the thickness to be 3.0-4.0mm; d. intermediate annealing at 500-550 DEG C, and lasting for 20-24h; e. roughing, roughing the thickness to be 0.5mm for longitudinal edge shearing; f. finish rolling, after 2-3 passes, rolling to obtain a finished product with the thickness of 0.18-0.2mm; and g. finished product annealing, adopting a gradient differential temperature annealing method for a low-temperature purging period at 200-220 DEG C with the heat preservation time of 2-4h, an intermediate-temperature oil removal period at 240-260 DEG C with the heat preservation time of 8-10h, and a high-temperature yellow spot removal and mechanical property stabilizing period at 380-400 DEG C with the heat preservation time of 8-10h. The manufacturing method is simple in manufacturing process and low in cost, and can enable the elongation to be greater than or equal to 23% simultaneously when obtaining low tensile strength and completely meet the parameter requirements for the aluminum foil used for high-quality cables.

Description

technical field [0001] The invention relates to the manufacture of aluminum alloy materials, in particular to a method for manufacturing aluminum foil for 1060 alloy cables. Background technique [0002] For aluminum foil for cables, usually the better performance parameters are: tensile strength 70-110MPa, elongation greater than 20%. At present, 8011 alloy is usually used as the material of aluminum foil for cables, but although the elongation of aluminum foil for cables using 8011 alloy materials can meet the requirements of use, its tensile strength is usually 110-120MPa, and a better manufacturing process can reach 100 MPa. But still can't meet the higher requirements of use. And the cost of the 8011 alloy material is also relatively high. For 1060 alloy, the tensile strength of aluminum foil manufactured by the usual process can meet the requirements of aluminum foil for cables, but its elongation is too low, usually only 15-20%, and cannot be used as aluminum foil f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/04H01B1/02H01B13/00
Inventor 周晓梅王昭浪石玉珍彭丽
Owner JIANGSU DINGSHENG NEW MATERIAL JOINT STOCK CO LTD
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