Work Holding Methods. By Tom Brown, Matt Charlton and Andy Faulkes. The Lathe . Work Holding Methods. The three most commonly used work holding devices are: Three-jaw chuck Four-jaw chuck Face plate Between centres . What type of work can be held?.
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By Tom Brown, Matt Charlton and Andy Faulkes
The three most commonly used work holding devices are:
A chuck with three jaws has a simultaneous movement to centre the job as the chuck jaws tighten.
Quick and easy to use.
Self centering.Advantages of using 3 jaw chucks
Although the operator can set the machine up quickly, the job will never be perfectly concentric.
If re-work on a finished component is needed, it is hard to align the work back to its original axes in the jaws.
Sometimes can damage job if tightened without soft jaws.
Faceplate with threaded peg
Dead centre /w morse sleeve