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- Sep 22, 2010
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This one is a Model C lathe, which means it has loose change gears instead of a quick change gear box. By all reports this is a pain in the ass, so I am going to investigate what it might take to convert it. My understanding of the various models is:
- South Bend Model C has loose change gears, and all longitudinal feeds use the half nuts. The lead screw does not have a keyway.
- South Bend Model B has loose change gears, and handles longitudinal feeds and cross (facing) feeds through a keyed lead screw.
- South Bend Model A has a quick change gear box and handles longitudinal feeds and cross (facing) feeds through a keyed lead screw.
- a gear box
- a different lead screw
- a different apron
- a different cross feed screw with a gear to engage the apron gearing
After collecting all the new parts I needed, after modifying the bed to make the gear box fit, after meticulously cleaning and painting all the parts, I was ready to reassemble the thing.
It was a good day.
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