... make (or Switzerland Cybelec) is provided and the grating ruler, valve group assembly of the hydraulic system and servo motor are ... stroke of sliding blocks (Y1, Y2) and backgauges (X, Y, Z,) are computer-controlled. The backgauges adopt ball screw and rolling ... , plate flexible processing center, etc. can be specially manufactured. WE67K Series Electro-hydraulic Servo Numeric-control Bending Machine