Originally Posted by
trubleshtr
Are you side loading an ACme Screw? They tend to bind when side loaded, unless you purchase a centralizing acme screw and nut assembly...just a thought. what type of cut/depth/speed/feed are you performing when it stalls or skips steps? Has your cutter become dull, requireing the motor to work harder?
Seems to me that the guys that have dis-assembled their machines to just the z axis and motor are experiencing electronic isssues, yours sounds more mechanical to me?