Optimization method for aluminum alloy forging blank in hot forging state

Abstract

The invention belongs to the field of aluminum alloy forging blanks in a hot forging state and provides an optimization method for an aluminum alloy forging blank in the hot forging state. The optimization method comprises the steps that a square head process boss 10 is machined on a head structure 1 of the blank, and the thickness of the head process boss 10 is less than 150 mm; thickness reducing grooves are machined in the upper surface and the lower surface of a triangle frame part 2 in the middle of the blank, the depth of each thickness reducing groove is controlled to be within the minimum size of a blank containing part, and the minimum distance between a random point inside the blank and at least one surface of the blank is less than 150 mm; a thickness reducing groove is machined in the portion, close to the triangle frame part 2, of the tail 3 of the blank, the depth of the thickness reducing groove is controlled to be within the minimum size of the blank containing part, and the minimum distance between any one point inside the blank and at least one surface of the blank is less than 150 mm; and a square tail process boss 9 is machined on the portion, away from the triangle frame part 2, of the tail 3 of the blank, the tail process boss 9 is larger than the head process boss 10, and the thickness of the tail process boss 9 is smaller than 150 mm.

Description

technical field [0001] The invention belongs to the field of aluminum alloy forging blanks in a hot forging state. Background technique [0002] For aluminum alloy forging blanks supplied in a hot forging state, the minimum thickness of the original blank is 180mm, which is greater than the maximum heat treatment limit size of 150mm stipulated by the national military standard. Therefore, it is necessary to add rough machining, heat treatment and physical and chemical testing to the machining process. Forgings need to be turned back and forth between workshops during the production process, which increases the production cycle of parts and brings inconvenience to production. Contents of the invention [0003] The object of the present invention is to provide an optimization method for aluminum alloy forging blanks in a hot forging state, so that the blanks can not only meet the machining requirements of parts, but also meet the maximum limit size requirements of heat treat...

AI Technical Summary

Problems solved by technology

[0002] For aluminum alloy forging blanks supplied in a hot forging state, the minimum thickness of the original blank is 180mm, which is greater than the maximum heat treatment limit size of 150mm stipulated by the national military standard. Therefore, it is necessary to add rough machining, heat treatment and physical and chemical testing to the machining process. Forgings need to be turned back and forth between workshops during the production process, which increases the production cycle of parts and brings inconvenience to production

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