Fine adjustments to the four-jaw chuck

Published March 6, 2018, 7:18 p.m.

This chuck is a four-jaw independent chuck, so I can adjust the opposite clamps simultaneously to get a fine control of the backlash in the clamps. I'm adjusting it so that the tool just clips all four corners of the workpiece.

Fine adjustments to the four-jaw chuck

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Cutting a square piece of brass from stock Watch Case Progress Set up ready to cut the initial disc