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.
screw barrel for pp recycling machine