Patent ID: 11931787
Assignee: SEKI PRESS CO., LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. The method for manufacturing a metal component having protrusions, having a main body part of the metal workpiece and the protrusions protruding from the main body part integrally, the method comprising:
forming the protrusions on the main body part of the metal workpiece by the method for forming protrusions according to claim 1; and
performing another process in combination with the forming of the solid metal protrusions, the other process including at least one selected from the group consisting of:
separating the main body part of the metal workpiece having the protrusions from the metal workpiece by punching or cutting;
press-extruding rear surfaces of the protrusions, or pressing a press die having one or more recessed parts on a work surface of the metal workpiece so as to push a part of the metal workpiece into the recessed parts containing the protrusions while thinning the metal workpiece; and
polishing or cutting back surfaces of the protrusions formed in the main body part of the metal workpiece,
wherein the forming of the solid metal protrusions and the other process performed in combination with the forming of the solid metal protrusions are continuously performed by a progressive method or a transfer method.