7.
CHUCKING OPERATION
Chuck
The chuck can fix the workpiece by means of 3 jaws which are acted by hydraulic pressure
etc. as shown in right side figure. In case that the shape of workpiece or the condition of
machining is peculiar, special type chuck such as index chuck etc. would be used.
46 | Part 2
Jaw
Hydraulic Cylinder
The chuck is the device that fixes the
workpiece to be machined with the hydraulic or
air pressure, and is rotated accompany with
workpiece by spindle motor. The workpiece
clamped in chuck will be machined by the tool
attached to turret.
Chuck Jaw
Draw Bar
Chuck