... by this extrude unit is flat and even. (4)Sheet structure is four layers, it is A/B ... according to your need). Specifications:1,Power: 3 Phase 4 Wires, 50 Hz, 380V 2,Diameter of each screw ... of each screw: 35:1, 35:1,35:1 4,Power of each motor: 75kw, 35kw, 18kw5,Transmission ... rollers transmission control: (Servo motor control+retarding device) 4.4kw×3 sets and Retarding device 3sets.7,Diameter of rollers ...