When mounted correctly the motor will but up against the end of the tube. If it is not in contact with the end of the tube then screwing it to the plate will cause it to cock to one side and cause stress. Readjust everything and make sure the stepper is square to the leadscrew.
The articles I posted show how...
Originally Posted by Smertrios I thought I did because the head was moving without the stepper stalling. Another problem is with the stepper motor mount. I can leave the screws loose and hold the motor with my hand and the z axis will move up and down with no problem at all but as soon as I tighten the screws the stepper will start stalling again when the IPM is above 12. |