The next project ( in a few weeks ) will be to do a Taig headstock to a ER25 collet system - this will be a lot easier now since I have the
adapter made to machine the bearing slots and everything programed sitting in a file .
I made an ER25 chuck to screw on the existing spindle threads (3/4-16?). The internal/external threads and rough taper were cut on my South Bend, then the final taper cut while mounted to the Taig spindle. ER25 sets are very cheap - approx $35 for a full set and they work well.
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