Features: 1. Composed of PLC,hydraulic transmission system,servo motor-reducer-ball screw drive system,box shape frame,etc. 2. Horizontal grinding head is mainly for grinding level plane(Grinding incline 90°of V type guideway is possible),vertical grinding head is for side plane(Electrical angle adjustment & hydraulic locking,grinding incline of V type guideway &swallow-tail slot at any angle is p