Patent ID: 6246922
Filing Date: 2001-06-12
Classification: B21D,B26D,B26F

Abstract:
A computer controlled die apparatus, said apparatus including:a master die shoe;a plurality of sub dies located within and moveable with respect to said master die shoe;an input system, said input system having a computer, said computer electronically connected to the apparatus;a detection system and monitoring system located adjacent to said sub dies;a motion system, said motion system includes an electric linear actuator having an internal ball screw mechanically connected to a motor for each moveable sub die;an air driven cam system located near an outside surface of said sub dies;a clamping system positioned near a surface of said sub dies; andan airlift system located on a surface of said master die shoe, said airlift system including an air valve, said air valve is connected to a plurality of poppet valves, said poppet valves provide a layer of air upon which said sub-dies move in said master die shoe.