Re: Mach III and DeskCNC

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Fred Smith" <imserv@v...>

>
> DeskCNC has a lathe mode that supports single point threading. It
> works by synchronizing the axis step and direction to a spindle
> mounted, quadrature encoder. The coarsest thread is limited to a 1:1
> ratio of the quadrature encoder pulses and the machine steps per
> inch. Fine threads are interpolated as needed.
>
> If you had a 10,000 spi ratio on the axis, a 500 line encoder X4 for
> quadrature, DeskCNC could turn a thread pitch as course as 5 tpi.
> The synchronization is electronically geared and you are only
> limited speed wise to the encoder reader/mechanical shaft
> capabilities ( usually about 10,000 rpm) and the speed of your lathe
> Z axis. You can even hand thread if you manually turn the spindle
> while the threading cycle is running.
>
> Fred Smith - IMService

Fred,
Is this a new product or part of the current release of DeskCNC ?
If part of the current release will you be releasing new documentation
for this as lathe isn't covered in the manual.

Would dropping down to say 250 on the encoder allow you to go courser
on the thread ?

John S.