Jittery LA36

jim stephens jwstephens at msm.umr.edu
Tue Jan 24 14:39:56 CST 2006


Gordon JC Pearce wrote:

>
> Cleaning up the photosensor bit on the interrupter wheel seemed to 
> help a little.
>
how freely does the mechanism move on the carriage?  sometimes this causes
jitter, though not at rest.

look at the power to the control circuit and the drivers to the servo 
motor and
make sure it's not about to blow, and maybe has high ripple on it if the 
jitter
is happening at rest.

jim




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