SELF-CENTERING FOUR-CAM CHUCK

摘要

Usage: in mechanical engineering, in particular for fastening workpieces in their processing on machine tools. SUMMARY OF THE INVENTION: a cartridge housing two movable cam fixed to the drive is turned on when the workpiece is rotated clockwise until touching yet not occur at four points. Fastening forces of the workpiece occurs movable cams and the fixed kulachkov.2 yl reactions.