Practical Engineering

Finished ER25 collet chuck with D1-4 mount

D1-4 mount suitable for the Colchester Student lathe and the D1-4 milling mounting plate

 Clocking an original cam to locate co-ordinates of table. The indexing head was first set to 40 degrees.

Using a bullnose cutter to cut the screw locking groove.

Finished backs. There are six extra cam pins as spares for the future.

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