Work holding devices:
Updated: Sep 25, 2021
In order to keep the setup time to minimum, the work holding devices should be accurate, easy and quick to operate, ensure rigidity against heavy cuts. A commonly used work holding devices are given below.
Collect chucks.
Jaw chucks.
Arbors.
Fixtures.
Collect Chucks:
Collect chucks are widely used to clamp the bar stock in machining on lathes. The main features is a collect which is a steel sleeve with spline tapered portion forming jaw.
Jaw Chucks:
Jaw chucks are used to hold the irregular shaped individual work pieces. The various types of jaw chucks employed for work holding are listed below.
Three jaw self- centering chuck.
Four jaw independent chuck.
Two jaw box chuck.
Power chucks.
Arbors:
Arbors may be used for holding small workpiece having accurately drilled holes. The threaded and expanding type arbors are in use.
Fixtures:
Special fixtures may be employed to hold jobs which cannot be held in collets, jaws or arbors.