Re: [CAD_CAM_EDM_DRO] Re: Threading

Good thought Alan

Damned right! I've been thinking about that all night! If you can't get the signal in to the computer then why not use the one you can get out. Next thought,,,,,, how much for a good big stepper and driver???

Bill D



Alan Marconett KM6VV wrote:

> Bill,
>
> Another thought, why not but a big stepper or Gecko/servo on the
> spindle? Then command them both from the program.
>
> Alan
>
> Bill Darby wrote:
> >
> > Thanks Smoke
> > I think all I need is a stream of pulses to be recognized and counted by the computer. For a given thread pitch the X axis would be fed (X) steps per every spindle pulse. ??? ( to tell the truth I was imagining something like utilizing the pin(s) that what would normally carry a printer's "fault
> > or out of paper signal" in order to get the encoders pulses into the computer) ????
> >
> > (I guess it's obvious that I'm no EE)
> >
> > Bill Darby
> >
> > Smoke wrote:
> >
> > > Yes, there is but it would take one of you EE's to build a card for it ( I quit that stuff years ago and stuck to mechanical design..my loss). Building a unit to pick up the actual RPM's would be fairly simple...something I learned in computer repair school back in '75 when there weren't any PC's.
> > >
> > > Smoke
> > >
> > > << is there any simple way of feeding the output signals from an
> > > encoder to the pc <snip>>for lathe threading
> > >
>
>
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