Week 13: Jigs and Fixtures (Locating Devices & Clamping Devices)

Lecture Notes page # 6

Clamping Devices

To restrain the workpiece completely a clamping device is required in addition to locating device and jigs and fixtures. A clamping device holds the workpiece securely in a jig or fixture against the forces applied over it during on operation. Clamping device should be incorporated into the fixture, proper clamp in a fixture directly influence the accuracy and quality of the work done and production cycle time. Basic requirement of a good clamping device are listed below :

  • It should rigidly hold the workpiece.
  • The workpiece being clamped should not be damaged due to application of clamping pressure by the clamping unit.
  • The clamping pressure should be enough to over come the operating pressure applied on the workpiece as both pressure act on the workpiece inopposite directions

 

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