NUM insert special machine for grinding grooves and Steürkanten using Electroplated CBN Grinding Wheels Hydraulic rotary table, side slide and vertical slide with ball screw, incremental measuring system, dividing with direct measuring system Liquid cooled motor, spindle diameter 90 mm auxiliary spindle 40 mm diameter Built Steürhydraulik air conditioner in the electrical cabinet speed control via frequency machines with sliding cover partially Aut. Operated