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Truing up chuck jaws
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DoN. Nichols
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Truing up chuck jaws
On 2009-07-03, Michael Koblic wrote:
wrote:
Start looking at Craigslist or Freecycle for a treadmill. Most of
them have a DC motor and controler, but I did find one with a AC motor
and a varible speed pulley.
Look under Free and be patient.
Or look in Ebay for a small VFD and then locally for a small 3 phase
motor. I just got a 56 frame three phase motor for $5 at a garage
sale.
I have been looking for a while at garage sales and local auction. I will
expand to Craigs list (where I follow other things). I saw one tread mill
motor at the auction here but it was about twice the size of the Taig
(2.5HP). I am told scroll saws are another possible source. Typically their
motors are rated for about 160 watts but that should do for the Taig (if Don
runs his off a 75W one).
Note that I don't do large diameter work on mine. I noticed
that the hand pressure holding the mechanical tach in the end of the
spindle would slow the spindle down a bit at the highest belt setting.
Also -- note that I have the WW (watchmaker's collet) spindle on
the lathe, which has a smaller pulley, and higher speeds than the normal
spindle does, so the speeds would be different on the standard spindle.
Enjoy,
DoN.
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