WORKPIECE AUTOMATED-CLAMPING CHUCK Russian patent published in 2008 - IPC B23B31/167 

FIELD: mechanics.

SUBSTANCE: chuck has a casing with clamping cams arranged in the chuck radial slots, a control con-rod to make connection with the drive and a transfer wedge mechanism representing a flange fitted into the casing cylindrical guide, the flange being furnished with skew-tooth racks with their skew teeth entering the skew slots arranged on the said cam side surfaces. The "П"-shape racks feature the tooth cutting angle equal to 45°.

EFFECT: higher efficiency of machining and lower metal intensity.

2 dwg