Feature

1. This screw material cylinder is elabroately made of 38CRMOALA alloy steel after nitrogen treatment and has best rigidity and corrosion resistance.

2. The mould head is plated with hard chromium and has screw mandrel structure with uniform and smooth material discharging. And the aircooled device has labyrinth type structure with characteristic as uniform air-jut quantity, automatic temperature control and automatic heating.

Type   SJPP-55 SJPP-60 SJPP-70
Diameter of screw   φ 55 φ 60 φ 70
Screw L/D ratio   26: 1 26: 1 26: 1
Reduced diameter of film(mm)  100-500 100-600 300-800
Single-face thickness of film(mm)0.01-0.1 0.01-0.1 0.01-0.1
Max. Extrusion(kg/h)   30 45 60
Power of main motor(kw)   11 15 18.5
Power of traction motor(kw) 1.1 1.1 1.5
Length of traction roller(mm)   550 650 850
Outline diameter(L× W× H)(mm)  4500× 2000× 3800 4800× 2500× 4000 5000× 2800× 4500
Weight(T)   3 4 5