Chuck for clamping workpieces in a lathe comprises a pump plunger arranged in each pocket of the chuck body in a cylinder bore of a conveying element forming a plunger chamber

摘要

Chuck comprises a pump plunger (17) arranged in each pocket of the chuck body in a cylinder bore (18) of a conveying element (9) forming a plunger chamber (19) so that the conveying element moves relative to the pump plunger to reduce or increase the pump plunger. The pump plunger passes with a tubular end section (17b) through the conveying element and protrudes into the outer region of the pocket. The tubular end section is connected to the plunger chamber via a connecting channel. Preferred Features: The end of the end section lies on the outer wall (10b) of the pocket.