X axis belt problem

[pul5arcc84]

This is getting annoying. I have tried the usual, adjusting the height of the pulley and the idler bearings to try and get the X axis belt to run straight but it keeps slipping up the idler bearing. The belt is the same distance from the top of the frame on both sides (after I push it back down) but it still rides up when I move the X axis. I have included images of it attached to the X axis plate incase I have zip tied it incorrectly (I don't think I have). I'm at a loss as to what else could be causing this. Please help, I'm going mad here.

[aforww]

Looks to me your pulley is way to high? The higher the pulley, the higher it will ride up the bearing.

[pul5arcc84]

I've adjusted the pulley a few times. Now it's at the lowest point and the belt rides up the idler a bit slower.
Is it ok if it rides up but doesn't come off? It seems to like to ride up to the point in the picture, but I can't make it come off now.
If the belt is too tight can that make it ride up?

[bobbatt]

This was probably the most time consuming part of the assembly for me. I found that there are three points of adjustment. There is a slight up and down movement where you zip tie the belt to the X axis mount, the pulley on the motor and a slight left right tilt on the X axis motor mount. I was able to get it by adjusting the zip tied belt and the up/down of the pulley. I would get it really close to riding correctly then adjust the tilt on the motor mount ever so slight. I think the secret is to make slight adjustments then move the X axis back and forth several times watching the belt on the idler pulley.

[Derek the Admin]

It can all be adjusted out, but it will be okay if there is a little walking up and down.

[pul5arcc84]

Thanks for the replies. Looks like I have a bit lot of fiddling to do when I have some free time

[aforww]

Jul 6, 2017 19:30:14 GMT pul5arcc84 said:

Thanks for the replies. Looks like I have a bit lot of fiddling to do when I have some free time

You will forever be fiddling. I am constantly checking to make sure all is still square and plum. On that note, periodically check your limit switches for tightness. Had one come loose today and crashed the machine during a homing cycle. Also re-tensioned all by belts today too.