Patent ID: 9694415
Date: 2017-07-04
CPC Classifications: B21D,C21D

Claim:
1. A method for manufacturing a mechanical part, comprising: heating a steel plate blank at a predetermined heating temperature; and placing the steel plate blank into a mold of the mechanical part, and stamping the steel plate blank to form wrinkles at a rounded corner of the mold and form the mechanical part in the mold; wherein, the mold of the mechanical part comprises a female mold and a male mold, a stamping gap configured to accommodate the steel plate blank is provided between the female mold and the male mold, and a width of the stamping gap at the rounded corner of the mold is larger than a thickness of the wrinkles, to allow wrinkles formed, from the steel plate blank, at the rounded corner of the stamping gap to be accumulated by layers regularly.