... Main configuration:1, CNC system control;2, Stepper motor drive;3, Ball screw drive;4, Cylinder linear ... guide rail, ball slider sliding;5, AC variable speed motor drive sprocket chain, the light bar to ... rotate the workpiece;6, AC gear motor drive screw, screw the top down;7, ... toughness are high. 4) after heat treatment by induction heating of the workpiece, the surface under a ...