Shopping bag film extruder
1- Screw and barrel about extruder film blowing machine
The screw and barrel are made of 38CRMOALA high quality alloy steel. It is after fine finishing and nitride treatment. It has high hardness, strong resistance to corrosion, durable service.Material of screw: made from sacm-645 alloy steel .hard chromed plated and nitride.
2- Die head about extruder film blowing machine
The die head is plated with hard chrome, of screw mandrel type structure. It can strengthen the intensity and evenness of plastic film.
3- Rewinder about extruder film blowing machine
The rewinder adopts pressure friction rewinding or center rewinding device, which is driven by torque motor. It is even and smooth rewinding and easy roll changing.