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This blog is written by Bluepine38 | 26 entries so far

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Variable speed DC motor for Delta Lathe #1: Modernizing a 1950's Delta Lathe

03-04-2015 06:52 PM by Bluepine38 | 7 comments »

The lathe was powered by an old 1 HP Craftsman motor run through a jackshaft and a 4 step pulley, thespeed was somewhat variable. I had read about people adapting treadmill motors to lathes and decidedto attempt it. The first free treadmill was not operating because the controller was bad, but had a $300-according to the owner- motor, the second had no controller and the third had a controller I could not adapt. I bought a rebuilt MC-60 controller for $50.00 and my core and started down the slippery slope. I could not find a V-belt pulley to replace the serpentine belt pulley, so I took the pulley off a second DCmotor and bored it out to 3/4” to fit on the jackshaft I used with m...

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