Manufacturing method of aluminum material for automobile heat insulation sheet
A manufacturing method and technology of heat insulation sheet, which are applied in the field of aluminum material processing, can solve the problems of wrinkling, drawing cracking, large overall size of heat insulation sheet, etc., so as to reduce anisotropy, improve uniformity, improve elongation and Effects of Plastic Deformability
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Embodiment 1
[0023] In order to overcome the defects of poor plastic deformation ability and low elongation of aluminum materials for heat insulation sheets in the prior art, the production process of aluminum materials for heat insulation sheets of the present invention uses a certain amount of waste aluminum, aluminum ingots and other raw materials, which are smelted, cast Rolling, rolling, annealing and other processes, the high-elongation aluminum produced has the characteristics of ultra-high elongation (take 0.1mm as an example, the national standard requires elongation ≥ 12%), and has good application prospects and economic benefits.
[0024] In order to achieve the above object, the technical scheme adopted in the present invention is:
[0025] The production process includes the following steps,
[0026] A high-elongation aluminum production process, the production process includes the following steps,
[0027] (1) Preparation of raw materials. The raw materials include self-prod...
Embodiment 2
[0035] (1) Preparation of raw materials, which include self-produced scrap aluminum or social recycling scrap aluminum, and aluminum ingots for remelting.
[0036] (2) In the feeding process, raw materials are added in the melting furnace according to the method of first adding aluminum scrap and then adding aluminum ingots;
[0037] (3) In the smelting process, when the raw materials in the melting furnace are completely liquefied, the ingredients are formulated according to the 1050 alloy, and the temperature is raised to 725° C. and then introduced into the holding furnace;
[0038] (4) Casting and rolling process, the aluminum water entering the holding furnace is cast and rolled to produce 6.3mm thick cast and rolled coils;
[0039] (5) Cold rolling and annealing process, casting, rolling and rolling to a thickness of 3.0mm for annealing, during annealing
[0040] Set the furnace gas temperature at 550°C. When the metal temperature reaches 500°C, keep it warm for 8 hours...
Embodiment 3
[0044] (1) Preparation of raw materials, which include self-produced scrap aluminum or social recycling scrap aluminum, and aluminum ingots for remelting.
[0045] (2) In the feeding process, raw materials are added in the melting furnace according to the method of first adding aluminum scrap and then adding aluminum ingots;
[0046] (3) In the smelting process, when the raw materials in the melting furnace are completely liquefied, the ingredients are formulated according to the 1050 alloy, and the temperature is raised to 733° C. and then introduced into the holding furnace;
[0047] (4) Casting and rolling process, the aluminum water entering the holding furnace is cast and rolled to produce 6.6mm thick cast and rolled coils;
[0048] (5) Cold rolling and annealing process, casting, rolling and rolling to a thickness of 3.8mm for annealing, during annealing
[0049] Set the furnace gas temperature at 530°C. When the metal temperature reaches 510°C, keep it warm for 5 hours...
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