| 摘要 |
A chamfering device, a chamfering method, and a press processing method to which the chamfering method is applied. The press processing method to which the chamfering method is applied comprises a piercing step to form a piercing part to allow products to pass through a molding form or base metal by piercing the molding form or base metal; a blanking step to pierce the base metal and separate the molding form from the base metal; a chamfering step to chamfer the edge of the piercing part using the chamfering method of the present invention; and a forming step to transform the molded products into a predetermined shape after the chamfering step. [Reference numerals] (S10) Piercing;(S20) Blanking;(S30) Chamfering;(S70) Saving;(S80) Foaming;(S90) Punching |
