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| Conversion of a mini import step pulley drive lathe to a variable speed motor? |
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| PTsideshow:
Ok I have a chi com import mini wood lathe, with the step pulley speed changing. I would like to change this to a DC variable speed control motor. Possibly like a tread mill motor speed control set up. One of the pen making supply companies sell a unit that is suppose to swap out. When I have brought this up on other forums, a number of members get the Chi com heebee-jeebees, the conciseness is that the unit isn't any good. Only one person claims to have had the unit! I have been told what motor and controller to get only, for the cost I can get a brand name lathe already set up with vari-speed motor! Anybody have done this or have any experience with the tread mill motors and controllers. |
| RotarySMP:
I did something similar with a 3 phase motor, and the used VFD from Ebay. It is easy enough to do. Go for it. |
| 75Plus:
Glen, Check this out. http://detroit.craigslist.org/mcb/hab/3314187911.html Looks to be exactly what you need. Motor and controller (plus some extraneous parts!) for $50 and in your area. Joe |
| Chuck in E. TN:
Glen, I have connected a 2.5 hp treadmill controller to my X2 mill. I have gotten several treadmills frre from local freecycle groups. The most common controller I have is the venerable MC-60. It comes on a al hratsink and only requires a on/off switch, 5kΩ pot for speed control, DPDT 3A switch for reverse, and wire and spade terminals to connect. I have no problems with it. Even used the origional flywheel to make a pulley for it. Should be doable for your lathe. Contact me via pm or e-mail if you have questions. Chuck in E. TN |
| andyf:
I fitted a treadmill motor to my old mill, Glen, and used a KB electonics speed controller: http://madmodder.net/index.php/topic,2693 I had no need for reverse, and I don't suppose you would need it on a wood lathe. If you do, a bit of interlocking between the stop/go switch and the fwd/rev switch might be needed, because it's easiest to put the stop/go switch on the AC input side, and fwd/rev has to go in the DC output. Andy |
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