X Belt drag on one side of the idler


I just finished building the MK2 and it works great, but there is a small detail that worries me. The X belt drags a little bit on the front side of the idler.

The belt will twist a bit when changing direction as the drag will lift on side or the other.

I am concerned that it will produce wear on the belt and I don't see how I can adjust anything so that the belt is centered on the idler.

Any clue would be greatly appeciated.


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Answer this question I have this problem too

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I had the same issue and had to use PC board stand-offs to get the motor moved a couple of millimeters away to center in the channel. The rubbing was causing the x axis to bind up and failing. Now that I made the adjustment it works perfectly.

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Jocelyn Labreche will be eternally grateful.
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