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stepper motors Z axis problem

Posted by chatpall 
stepper motors Z axis problem
April 19, 2012 03:37PM
Hi all.

I would like to ask whether you have any experiences with this issue. I am building prusa with nema 17 on ramps 1.2. My Z axis is acting strange. When I send it instruction to move, steppers are not moving evenly but "choping" from one direction to another. When I test them alone, without z axis attached, they are working fine. The rods are moving smoothly when I try to move them manually. Thanks for your answers and your time.
Re: stepper motors Z axis problem
September 26, 2012 02:01PM
I'm having a similar problem with my z-axis.
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