1. The full set machine is made of twosets main motors, two cylinders and one layer die head, feeding by two cylinders. Extruding with one die head one traction and rewinding device , it can improve the quality of striped film by adopting with one traction and one rewinding device.
2. The screw stem and cylinder ate made of 38CrMoAl high quality alloy steel after fine finishing and nitrided treatment, which has high hardness, strong resistance to corrosion, durable service.
3. The die head is plated with hard chrome ,of screw mandrel type structure with even and smoothdischarging, the blown plastic film has fine finishing ,the blower is of labyrinth structure with even air output.
4. The coiling unit adopts pressutre friction rewinding or center rewinding , which is driven by torque motor , with even and smooth rewindingand easy roll changing.