... by casting parts, strong rigidity, good stability; 2. Precision linear guide rail, rectangular pretesting 3640 mould machine1. The base zk3640 ... ;2. Precision linear guide rail, rectangular pretesting, good rigidity, high precision;3. Grinding grade precision ball screw has preloaded, high precision;4. Interface ... accuracy+ 0.005/300 mmX.Y.Z repositioning precision+ 0.01 mmThe flatness+ 0.025/300 mmX ...