Three-jaw hollow pneumatic chuck
This is a state-patent product with independent intellectual property.
Connecting way of this chuck and spindle is in accordance with relative national standards. Without need of changing machine tool structure, the user only needs to install flange with corresponding size of the chuck.
With chuck body itself as cylinder and internally-installed piston, the chuck carries out clamping and loosing action by controlling devices in spindle end.
The chuck is hollow in core, applicable for processing of long bar.