Build Your Own SLA/SLS

I'm starting to get somewhere. I adjusted the pot on the stepper driver and it increased the power. I also noticed the spindle was a little tight when the top plate was tightened and also when the linear block is screwed into the spindle. I loosened these and it worked fine. I will try to add some w...

I'm using a RAMPS controller and a NEMA 17 motor. When its connected to the z-axis spindle and I try to move it 1mm it just slips and vibrates. Without it connected to my Z axis spindle and I hold it with my fingers and move 1mm, it turns fine both directions. If I apply a small amount of pressure w...