PVC PP PE PLASTIC INJECTION MOLDING MACHINE

screw and barrel
Place of Origin: Zhejiang, China (Mainland)

Brand Name: Qunying

Model Number: QY14101568

Screw style: Plastic injection screw barrel  level screw

Screw Diameter: 15mm-360mm

Ratio of length: L/D=12-45

Surface hardness: HV≥ 900

Nitriding depth: 0.5-0.8mm

Based material: 38CrMoAlA

Bimetallic alloy: Cobalt &Tungsten alloy

Standard: ISO9001-2000

Material:High quality 38CrMoAlA

Process:Advanced nitriding & bimetallic process

Hardness After Hardening & Tempering:HB280-320

Nitrided Hardness:HV900-1000

Nitrided Case Depth:0.45-0.8mm

Nitrided Brittleness:Less than Grade 2

Surface Roughness:Ra 0.4

Screw Straightness:0.015mm

Alloy Hardness:HRC 50-65

Alloy Depth:0.8-2.0mm for screw and 1~3mm for barrel