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Re: Carriage question

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  • walnotr
    If you check out Nick Carter s web site you will find the unofficial drawing that shows the exploded view of the lathe. Steve C.
    Message 1 of 5 , Aug 7, 2010
      If you check out Nick Carter's web site you will find the "unofficial" drawing that shows the exploded view of the lathe.

      Steve C.

      --- In taigtools@yahoogroups.com, Shad <ogberi@...> wrote:
      > Hi All,
      > Couple of quick questions -
      > How far does the carriage move per single (exact) revolution of the
      > handwheel? I seem to remember hearing somewhere it's .6", but that may
      > not be correct. What's the TPI of the rack, and how many teeth on the
      > pinion?
      > What holds the cross slide leadscrew in place? Is it bushed against the
      > stationary part of the handwheel?
      > I ask because I'm toying with the idea of adding a plate with two
      > steppers to the user-side of the carriage that will either directly
      > drive the handwheels via a disc with a hole in it for the handles on the
      > handwheels, or by driving a replacement leadscrew and pinion (IE, remove
      > the handwheels, and the new leadscrew and pinion are attached to the
      > plate with the steppers.)
      > While the leadscrew is easy enough to handle, I'm not sure how much
      > torque is required on the carriage feed handwheel, and if a
      > directly-coupled stepper would have enough grunt to handle the job. I'd
      > rather not go through the hassle of building a leadscrew to move the
      > carriage if I can avoid it, but if it's necessary, it's necessary.
      > Thanks!
      > Shad H.
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