Plate bending machine,rolling machine 1.Integral structure 2.NC control,high efficiency 3.High precision 4.Good quality Main ... pipe attachment, adopted GB7323-1994 NO 2 lithium grease.3-3. Hydraulic system Composed of Y series motor, gear pump ... roller to X = 0, press it down to Y4, counter-rotate the lower rollers, for bending compensation. Plate bending machine,rolling machine,upper-roller ...