... Sheet. The TF-105/75/50/35/1000 Four Layers Sheet Co-Extrusion Machine is a new style product which ... 50 Hz, 380V2Diameter of each screw105, 75, 503Length to diameter ratio of each screw35:1, 35:1,35:14Power of each motor75kw, 35kw, ... outside circulatory system12Traction rollerAdopting positive pole aluminum roller13Moving system of three rollers and traction standAdopting sprocket wheel and ...