hi cheers for input yes the trapezoidel spindle is a bit bent but i can turn it from one end to the other with me hand tho and these are very big motors so even a little stiffness shouldent stop these
buggers. you say vibration can do this ummmm ok will look into that as they do vibrate a fair bit but then so do all the other axis and there fine. heres me other post im on wrong pc i have...