... controlled Zhengzhou Gou's New Quenching machine tool For Valve, Cylinder 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 ... drive screw, screw the top down;7, Solenoid valve control water;8, With a heating device control plug ... Zhengzhou Gou's New Quenching machine tool For Valve, Cylinder