Re: sprockets?

Yes, my steppers have 180 S/R.

I had thought that the timing belts, cogged belts, would not introduce
'play' into the system. How is this possible?

--- In CAD_CAM_EDM_DRO@y..., JanRwl@A... wrote:
> In a message dated 10-Jul-02 23:29:19 Central Daylight Time,
> jfbell@e... writes:
>
>
> > The stepper have a 180 S/R.
> >
> > How thick of a timing belt should I be looking at? 3/8", 1/2" or ???
>
>
> Curious steps/turn number, but I guess that's possible!
>
> I would counsel that you do NOT use timing-belts, but connect the
> stepper-motor shafts "directly" to the ends of the lead-screws with
> backlash-free shaft-couplers which can "tolerate" slight axial and
angular
> misalignment. OR, if you are very, very skilled, just a simple
clamp-on
> shaft-coupler, if all your machining is perfectly square and
accurate. Of
> course, the use of the timing belts would "permit" some quite sloppy
work,
> but the "play" that will introduce will give you fits from the outset!
>
> Lotsa luck! Jan Rowland, Old Troll who has BEEN there, done that.
>
>
> [Non-text portions of this message have been removed]