parallel  Screw & Barrel

Screw Diameter : 45/90mm 55/110mm 65/132mm 80/156mm 92/188mm...

Application : water pipe. drainage pipe. label printing film. shrinkable film.frame profile

Plastic processed : PVC PP PE HDPE LHDPE etc

Technical Parameter

Nitride Case Depth

0.5mm-0.8mm

Nitride Hardness

950-1050HV

Nitride Brittleness

≤Grade One

Surface Roughness

Ra0.4um

Screw Straightness

0.015mm

Alloy Hardness

HRC58-65

Alloy Depth

0.8mm-3.5mm

Chromium Coating Thickness

0.025~0.10mm

Material & Technologies

SKD61(H13)

Quality 38CrMoAIA (41CrAIMo7)

Gr12MoV

Quality Duplex Stainless Steel

42CrMo

Quality Powder Metallurgy Materials

40Cr

Hard Metal Cold/Thermal Spraying Technology

Zinc 3# Steel

Advanced Nitriding Technology

Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology

Technological Process

1.Rough Machining

2.Quenching and Tempering

3.Finish Machining

4.Nitriding

5 Sprey conating Bimetallic

6.Screw polishing