Bolt chuck

Chuck with active pull-down

With this type of chuck, the workpiece can be clamped almost all the way round (comparable to a collet chuck). At the same time, however, a free chip flow is made possible.

Problem	Properties	Workpieces
Clamping force adjustable over a wide range High clamping force High roundness requirement Reduce machining operations	Compensation clamping For high speed For thin-walled parts High centring accuracy Number of jaws > 3 Pull down	Cam Cam adjustment Disc Flange Gear wheel Hollow shaft Housing Milled part Ring Ring - Synchron ring Ring gear Shaft