Re: Carriage question
- If you check out Nick Carter's web site you will find the "unofficial" drawing that shows the exploded view of the lathe.
--- In firstname.lastname@example.org, 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
> 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.
> Shad H.