Features : 1:/Mechanical stop and torsion bar to maintain synchronization and high precision. 2:/The machine uses Delem NC system, and imported linear transducer, pressure proportional valve and servo motor. 3:/Ram stroke(Y) and backgauge(X,R,Z) are automatically controlled by computer. 4:/Backgauge adopts ball-bearing screw and rolling guide, enjoying very high repeat positioning accuracy