Re: Synchronizing two motors on the same axis

--- In CAD_CAM_EDM_DRO@y..., "j.guenther" <j.guenther@v...> wrote:

Two servos with index outputs would help initial sync, but I don't
know whos software would handle it. A simple method would be to use
LEDs from the index o/ps and manually turn each shaft until both LEDs
were on.

Any help?


> Here is my question for the day, what would be the best way to sync
up two
> motors on the same axis. It can be considered that full cycle for
each part
> of the axis equates to 1 revolution of each motor. The application
would be
> for a long reach sewing machine for quilting. I am thinking of
driving the
> needle mechanism with one motor and the bobbin mechanism from
another motor.
> If that is the route I take, these two drives must remain in
perfect sync
> with each other. I am assuming that either steppers with encoders
or servos
> can be used to accomplish this task, I am just not sure how to sync
them up.
> Can they both be driven from a single axis (Z) or do I need to use
two axis
> (Z, A) and slave one to the other? What software would be best to
> accomplish this task?
>
> Thanks
>
> John Guenther
> 'Ye Olde Pen Maker'
> Sterling, Virginia