Patent ID: 6148707
Filing Date: 2000-11-21
Classification: B21D,Y10T

Abstract:
A punch press comprising:tool holder supporting portions;a punch holder and a die holder each rotatably mounted on the supporting portions, said punch holder carrying a plurality of punch tools, said die holder carrying a plurality of die tools, and each of the die tools cooperating with one of the punch tools in order to punch a workpiece;a vertically movable ram mounted on a punch press frame; anda striker mounted on the ram so as to be horizontally movable in a two-dimensional area relative to the ram and rotatably movable about an axis parallel to the ram;wherein the punch holder and die holder are rotatable at least 90 degrees relative to the tool holder supporting portions, and the two-dimensional area in which the striker is movable covers every position to which at least one of the punch tools mounted on the punch holder is movable and to which a die corresponding to the at least one punch is movable when the punch and die holders are rotated 90 degrees.