DEVICE FOR PROMPT REMOVAL OF CUTTING TOOL FROM CUTTING ZONE Russian patent published in 2003 - IPC

FIELD: machine tool manufacture; determination of cohesive force of built-up edge with face and obtaining chip roots. SUBSTANCE: proposed device has body with cutting tool holder mounted rotatably inside it; cutting tool is held in working position by means of shear pin. Device is also provided with beam holding strain- gauge sensors which is mounted under cutting-tool holder and striker with spring. It is also provided with pin for engagement of cutting-tool holder with strain-gauge sensor beam; provision is made for return of this pin to initial position; pin has cut in its center portion; force control unit is provided with dynamometer which is connected with striker and plate with slot for actuating the striker. EFFECT: enhanced efficiency. 1 dwg