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Abstract

An forging process for an aluminum alloy part. The forging process includes the following steps: S1, heating an aluminum alloy blank to a solid solution temperature in a heating device, where, a heating and heat preservation time is determined according to a wall thickness of the aluminum alloy blank and prolonged by 20 min when the wall thickness of the aluminum alloy blank is increased by 1 mm; S2, conducting underaging heat treatment; S3, conducting heating and heat preservation on the aluminum alloy blank obtained after the underaging heat treatment with a forging die at 100-300° C., and preheating a final forging die; S4, conducting forming by isothermal forging on the aluminum alloy blank obtained after the heating and heat preservation in step S3 at 100-300° C.; and S5, conducting cooling, trimming and machining on a forged part obtained in step S4 to obtain the aluminum alloy part.

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First Claim