... extruder 3. Double column type Hydraulic Screen changer 4. Melt metering pump 5. Die head 6. Oblique three-roller part 7. Three ... .4’touch Screen, centralization of control(2) main machine, Melt metering pump, three roller, drawing speed are all controlled by Schneider inverter ... screen changing, 2 section flow channel, 1 section for melt metering pump, 8sections for T-die head. in the total of 18 ...