A melting and casting process for preparing aluminum ingots for aluminum alloy profiles
A technology for aluminum alloy profiles and aluminum-silicon alloys, which is applied in the field of melting and casting processes for preparing aluminum ingots for aluminum alloy profiles, can solve the problem of aluminum alloy profiles bubbles, the alloy content of aluminum alloy profiles cannot reach, and the processing quality of aluminum alloy profiles cannot be accurately controlled. And other issues
Active Publication Date: 2017-01-04
湖北万佳宏铝业股份有限公司
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[0002] The processing of aluminum alloy profiles such as aluminum rods in the prior art generally adopts a melting and casting process, that is, auxiliary materials such as magnesium ingots and aluminum-silicon alloys are first dissolved into a solution, and then processed into aluminum rods by casting methods, but the melting and casting process in the prior art The processing quality of aluminum alloy profiles cannot be precisely controlled, for example, there are bubbles, impurities, etc. in the formed aluminum alloy profiles, especially the alloy content in the formed aluminum alloy profiles does not meet the requirements of national standards
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[0022] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0023] refer to figure 1 As shown, the present invention provides a melting and casting process for preparing aluminum ingots for aluminum alloy profiles, which specifically includes the following steps:
[0024] 1. Ingredients step: According to the requirements of the production scheduling plan, reasonably mix aluminum ingots and recycled materials, among which the recycled materials should pass the inspection and have been sorted and coded into the warehouse.
[0025] 2. Material preparation steps: Prepare magnesium ingots, aluminum-silicon alloy auxiliary materials and related tools. The relevant instructions are as follows:
[0026] Table ...
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Abstract
The invention discloses a fusion casting process used for producing aluminium ingots for aluminium alloy sections. The fusion casting process includes the steps of S1, material preparation, S2, charging, S3, smelting, S4, refining, S5, alloy adjustment, S6, standing, S7, slagging off, S8, casting and S9, sawing. By the smelting and refining steps, nitrogen is adopted for exhaust emission in the refining process, slagging off is performed every time after smelting and refining are finished, and accordingly bubbles and impurities in molten aluminum after smelting are avoided. In addition, samples are taken from refined solution for analysis in the alloy adjustment process, then addition quantity of alloying elements is calculated by combination of national standard requirements and requirements on the varieties of the aluminium alloy sections according to analysis results and the varieties of the aluminium alloy sections, content of alloy can be controlled accurately, and the alloy content can meet the requirements of the national standard.
Description
technical field [0001] The invention relates to the technical field of melting and casting technology of aluminum alloy profiles, and more specifically relates to a melting and casting process for preparing aluminum ingots for aluminum alloy profiles. Background technique [0002] The processing of aluminum alloy profiles such as aluminum rods in the prior art generally adopts a melting and casting process, that is, auxiliary materials such as magnesium ingots and aluminum-silicon alloys are first dissolved into a solution, and then processed into aluminum rods by casting methods, but the melting and casting process in the prior art The processing quality of aluminum alloy profiles cannot be precisely controlled, for example, there are bubbles, impurities, etc. in the formed aluminum alloy profiles, especially the alloy content in the formed aluminum alloy profiles does not meet the requirements of the national standard. Therefore, it is necessary to design a melting and cas...
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IPC IPC(8): C22C1/03C22C1/06C22C21/00
Inventor 张友孝
Owner 湖北万佳宏铝业股份有限公司