The bearings on one side should be on eccentric bushings that you turn to tighten.
The angle iron isn't helping. Switching to precision rail would help, but you'll always have some play with that system.
What is the intended way to adjust the bearing side-to-side for the Z axis? I have a a lot of play https://sendvid.com/6cq50f94
I tried loosing the bolts holding the bearings on to see if there way movement in their holes and I could just move them over and tighten them, but there was none. My only guess at this point is to shim out the vertical metal rails that the bearings ride in.
I am hoping a Joe's builder can provided some insight. I am a 3rd owner of this fairly well built Joe's machine.
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The bearings on one side should be on eccentric bushings that you turn to tighten.
The angle iron isn't helping. Switching to precision rail would help, but you'll always have some play with that system.
Gerry
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Yes there were eccentric bearings on the one side. Thank you.
Adjustment of these help resolved play as well as binding that was taking place when the Z axis moved up.