X5032 Milling machine feed screw by heat treatment?
1. Conditions: ≤ grade accuracy, little force, such as various types of machine tool drive screw
Working conditions and materials and heat treatment requirements
Requirements: 45,45Mn2 general screw can be used normalizing, ≥ HB170; force of the larger screw, quenched and tempered,
2. Conditions: ≥ 7 level accuracy, little force, journal square head, etc. do not need to harden, such as lathe walking screw
