The Grind A Z
Alignment tips. aligning the z-axis takes some patience. however, a few tips can make the experience more pleasant. start by attaching the the ball screw block to head of the mill using the socket head cap screws to hold the block loosely. this will allow the z-axis ball screw to pivot.Aug 11, gear girth. ball mill hp motor speed 990 rpm mill speed 14 rpm … i have been asked to align the pinion-gear on an 8' x 24' sag mill..