Gantry out of alignment-not Square


The X-axis on my L2 is not staying square with the frame. The gantry (the axis that has the laser head on it) keeps sliding around out of square. The left end stays secured properly but the far end is very loose. It seems to move around way to easily. I push it back toward the controls to get both ends aligned again. Then I re-home but the far side slides about 4 inches out again. I think this is why I keep getting double cuts using the cross hatch setting. The belt seems tight enough. and the frame is square. the belt is moving along with the gantry but something is allowing it to move to freely. Is there a screw to tighten the gantry down more to the belt and bar? I don’t remember there being one for that.

Probably have to turn it upside down and to see coupler/pullies and find the loose set screw. You will have to square gantry before tightening screw.

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Thanks for the help. I ended up tightening the belts much tighter than I thought was necessary. This is now keeping that end of the gantry from moving independently from the other.