Various work holding attachments such as three jaw chucks,
collets, and centers can be held in the spindle.
Work is held in the lathe with a number of methods,
- Ø Between two centres. The workpiece is driven by a device called a dog; this method is suitable for parts with high length-to-diameter ratio.
- Ø A 3 jaw self-centering chuck is used for most operations on cylindrical work-parts. For parts with high length-to-diameter ratio the part is supported by center on the other end.
- Ø Collet consists of tubular bushing with longitudinal slits. Collets are used to grasp and hold bar stock. A collet of exact diameter is required to match any bar stock diameter.
- Ø A face plate is a device used to grasp parts with irregular shapes.
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