z axis shakes ALOT
March 06, 2013 11:53AM
Hi I finally got my reprap up, z axis shakes back and forth like crazy... I put a rubber band, but it didnt help :-/

Oh... I have 1 motor facing one way, and the other facing the other way. Prusa iteration 1 with iteration 2 couplers.

What should I do? I heard something about decreasing the speed the motors go ? I dont see why it should matter that the motors are facing opposite directions as long as they both move equal amounts, but it kind of wobbles when it moves where 1 side goes down then the other... its weird. Pls help !
Re: z axis shakes ALOT
March 06, 2013 04:05PM
Your z rods must be very parallel or else you can get this problem. Also try low z axis speed.
Re: z axis shakes ALOT
March 06, 2013 04:40PM
Quote

Oh... I have 1 motor facing one way, and the other facing the other way. Prusa iteration 1 with iteration 2 couplers.

I can't picture this at all. smiling smiley
Re: z axis shakes ALOT
March 06, 2013 05:12PM
Me neither -please post.
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