Patent ID: 7086262

Claim:
An electric press having a motor, a drive power source for driving the motor, a mechanism for changing the rotation of the motor to straight movement, a ram that is vertically movable with respect to a work to be processed, and a position detector for detecting the position of the ram, said electric press comprising: a control means for controlling said motor to position said ram at a mechanical fundamental point, that is an initial position of said ram and at an operation fundamental point that is optionally set by an operator; a first position memory for storing said operation fundamental point therein; a second position memory for storing therein the position of said ram at a given point in time and adapted to retain said stored position while said drive power source is turned off; a control means for positioning said ram at said operation fundamental point in accordance with said position of said ram stored in said second position memory when said drive power source is turned on after said ram is stopped for safety.