HydraulicFace DriverD235 1.A kind of locking decive maching the parts to replace the chuck with three jaw. 2.It's applied to NC lathe, ordinary lathe, three rolling machine and is suitable to machine copper,aluminum.iron and so on. 3.it's mainly used for processing of axis. 4.Enhance workpie processing accuracy thanks to center core position. 5.Sufficient length for the workplace. 6.Improve the efficiency pf handing more than three times. 7.Be used inhobbing machineand spline milling machine the part drawing of face driver 1.sufficient length for the workpiece. 2.enhanced workpiece processing accuracy thanks to center are positioning 3.inprove the efficiency of handing more than three times. 4.be used tin hobbing machine and spine milling machine