Solid solution forging process for aluminum alloy part

Abstract

The invention relates to the technical field of forging processes, in particular to an aluminum alloy part solid solution forging process which comprises the following steps: (1) blanking: obtaining an aluminum alloy part blank; (2) solid solution heating is conducted, specifically, the blank is heated through an aluminum alloy solid solution furnace, and a blank containing a solid solution structure is obtained after heating; (3) solid solution forging is conducted, specifically, the blank obtained in the step (2) is rapidly placed on a mechanical press to be subjected to solid solution forging forming through a forging die, and after forging forming, the blank is placed in water to be directly and rapidly cooled and then taken out; (4) aging treatment is conducted, specifically, the blank obtained in the step (3) is subjected to aging treatment, the aging temperature ranges from 170 DEG C to 190 DEG C, and the aging time ranges from 4 h to 8 h; and (5) post-forging machining is conducted, specifically, the blank treated in the step (4) is subjected to post-forging machining to obtain a final product. The manufacturing procedures are saved, the production efficiency is improved, the quality of the blank is improved, post-forging coarse grains caused by the original structure of the blank are avoided, the proportion of the coarse grains in the structure of the final product is reduced, and the performance stability of the final product is improved.

Description

technical field [0001] The invention relates to the technical field of forging technology, in particular to a solid solution forging technology for aluminum alloy parts. Background technique [0002] Aluminum alloy parts are widely used in the industrial field, and the process of manufacturing aluminum alloy parts is very extensive. For aluminum alloy parts with high mechanical performance requirements, such as automobile control arms, steering knuckles, etc., they are usually formed by forging, and the microstructure and performance of aluminum alloy parts are further improved by means of solid solution heat treatment and aging after forging. Dimensional stability. Among them, the most widely used traditional manufacturing process (referred to as "T process") steps are blanking-pre-forging heating-forging-solution treatment-aging treatment-post-forging processing. This process can usually produce aluminum alloy parts with excellent overall mechanical properties, high dime...

AI Technical Summary

Problems solved by technology

This process can usually produce aluminum alloy parts with excellent overall mechanical properties, high dimensional stability, and complex shape and structure, but the disadvantage is that the aluminum alloy parts prepared by this process are prone to local coarse grains, which require additional cutting. It can only be removed, and secondary heating is required during solution treatment. These shortcomings further lead to a decrease in the manufacturing efficiency of this process and an increase in manufacturing costs.

In addition, there are also aluminum alloy parts that do not use solid solution treatment in the manufacturing process. Although this can avoid secondary heating and reduce manufacturing costs, it will also reduce the mechanical properties and dimensional stability of the parts.

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