Horrible Z Axis Grinding - Help? (Page 1) — Solidoodle ...- axis grinding , · Re: Horrible Z Axis Grinding - Help? In the stepper for the z-axis, there is a nut that should hold the rod in place, it has two holes in it for a tightening tool. …Large Format 5-Axis Grinding System - Rayotek ScientificThe new 5-Axis Grinding System was designed to meet customer’s needs for the rapid grinding of complex very large, high-precision parts. The system is run with Del Cam Software to ensure high precision for complex tool paths.