Subject:
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Re: Turn table ideas
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Sun, 13 May 2001 13:52:44 GMT
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Viewed:
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403 times
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In lugnet.org.ca.rtltoronto, Iain Hendry writes:
> "Jeff Van Winden" <Jvwinden@sympatico.ca> wrote in message
> news:GD8Cwt.7pK@lugnet.com...
>
> > The rotation sensor being based on 0 - 16 means that it is almost • impossible
> > to line up the track properly.
>
> If the sensor was mounted directly off the shaft of the turntable itself the
> resolution would be far from desirable, espically for accurate positioning.
> I'm assuming you have this geared down a fair bit, so the better bet (if you
> must use a rotation sensor) is to mount the rotation sensor directly onto
> the shaft of your drive motor.
How accurate is the rotation sensor at high speeds?
>
> > Any thoughts and Ideas would be greatly appreciated.
>
> I'd use a light sensor pointed down at black/white tiles interpolated into
> an arc. Use slow-down and stop targets for accurate positioning. It
> eliminates contact errors [that tend to crop up with the touch sensors], and
> remains accurate.
Thanks for the Idea Iain,
I'll try that this afternoon amd let you know how it goes....
>
> > There were a few blue 3033 Tubs there, but they were not 3033's they were
> > for the new Creator Line.
>
> CREATOR FIGS = WRONG.
>
> Iain
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Message is in Reply To:
 | | Re: Turn table ideas
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| "Jeff Van Winden" <Jvwinden@sympatico.ca> wrote in message news:GD8Cwt.7pK@lugnet.com... (...) impossible (...) If the sensor was mounted directly off the shaft of the turntable itself the resolution would be far from desirable, espically for (...) (23 years ago, 12-May-01, to lugnet.org.ca.rtltoronto)
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