screw barrel for pp recycling machine and pelletizer

screw barrel for pp recycling machine and pelletizer

Size:

screw diameter:Φ20-Φ500mm

Maximum screw length:10000mm

Barrel inner bore diameter:Φ500mm

Material:   

38CrMoAlA   

40CrMo   

42CrMo  

high quality alloy steel

Technology:

nitriding treatment,

alloy coating spraying,

heating treatment,

screw fully hardening,

Depth of nitrition layer: 0.6-0.8mm

Nitriding treatment, surface hardness: HV≥900-1100

Fragility of nitrition: less than grade 1

Surface roughness: Ra 0.4um

Streightness of screw: 0.015mm

The screw barrel in the picture above is our special design for Russia market. It's for pp pelletizer and recycling machine. We can design and manufacture it according to customer's demand.