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Author Topic: Rotary axis positioning problem  (Read 1372 times)

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Rotary axis positioning problem
« on: April 27, 2015, 11:17:02 AM »
I have a rotary axis controlled via a 320 gecko DC drive. I can tune it to give within a half degree accuracy on 3600 degrees rotation ( Ten rotations ). I can repeat this several times in one direction. When I command it to travel the other direction it is off by about 40 degrees ? There is less than 1/4 degree backlash in the gearing. Any ideas on where the problem would be ?