PUNCHING DIE

摘要

A punching die capable of increasing the working accuracy of a work (W) by suppressing a clearance between a punch body (11) and a punch guide (5) to almost eliminate a step on the punched surface (cut surface) of the work (W). The punching die comprises a plurality of rotation restricting means. Each of the rotation restricting means comprises the tubular punch guide (5), the punch body (11) vertically movably installed in the punch guide (5), a punch head (25) installed at the upper end part of the punch body (11), a stripper spring (27) fitted to the lower side of the punch head (25), keyways (35) and (41) formed in the punch guide (5) or the punch body (11) so as to be vertically extended, and keys (37) and (43) installed in the punch body (11) or the punch guide (5) and vertically movably fitted into the keyways (35) and (41).