Internal expansion type fast clamping turning fixture

For the machining of bushing parts, the mandrel is often used to locate the clamping method. However, if the conventional method is used, the clamping and ergonomics of the workpiece are not satisfactory. Here, a turning jig that uses a flexible mandrel to quickly clamp a workpiece is described. Figure 1 shows the structure of a turning fixture for a self-expanding type of fast-clamping workpiece:

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