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.


  1. Collect chucks.

  2. Jaw chucks.

  3. Arbors.

  4. 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.


  1. Three jaw self- centering chuck.

  2. Four jaw independent chuck.

  3. Two jaw box chuck.

  4. 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.



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