| 摘要 |
PROBLEM TO BE SOLVED: To materialize a plate part punch processing die which increases punch process workability and makes a manufacturing cost low by reducing necessary man-hours for manufacturing a plate-shape part by performing a punch processing to a metal plate. SOLUTION: This invention is referred to a processing die 11 for punching a plate-shape part wherein four trapezoid punching parts 12a-12d are formed for molding trapezoid parts as corner parts of the part by punching a metal plate material in a trapezoid shape. Four cut out punching parts 13a-13d for forming U-shape cut-outs being connected with the trapezoid parts of the part are formed by punching a plate material in U shape in a way that they are connecting with one end part of each of the trapezoid shape punching parts 12a-12d.
|
