2011/11/2 andy pugh <[email protected]>
> On 1 November 2011 21:34, Andrew <[email protected]> wrote:
> > 2011/11/1 andy pugh <[email protected]>
>
> >> A linear motor should have zero backlash if the linear encoder is
> >> directly attached.
>
> > I know that, but the motor won't be collinear nor symmetric to the rail,
> > which generally might cause some small deflections.
>
> I was meaning if the encoder is directly attached to the motor. The
> axis can fend for itself ;-)
I was meaning that the encoder is on the same slider with the motor forcer,
but not exactly close to it. And there might be some skew error caused by
elastic displacement in rail. I.e. there's something like a backlash - but
"elastic", not kinematic.
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