Injection Molding Screw Barrel

Precision engineered screw and barrel assemblies for injection molding machines. Bimetallic construction with excellent wear resistance and plasticizing performance.

Product Overview

Vanwell injection molding screw barrels are designed for high-precision plastic injection molding processes. Built with bimetallic barrel lining and surface-hardened screws, our products deliver consistent melt quality, high output, and long service life across a wide range of thermoplastics including PP, PE, PS, ABS, PC, nylon, and engineering plastics.


Compatible with all major machine brands: Haitian, Yizumi, Chen Hsong, Arburg, ENGEL, Demag, Milacron, Husky, and more. Custom specifications available for special materials and high-output applications.

Technical Specifications

Screw DiameterØ20mm – Ø120mm
L/D Ratio18:1 to 30:1
Material38CrMoAlA / Bimetal
Surface TreatmentNitriding / Bimetallic
Nitrided Layer Depth0.5 – 0.8mm
HardnessHRC 58-65
Barrel Heat Zones3 – 8 zones
CompatibilityHaitian, Yizumi, ENGEL, Arburg

Key Features

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Bimetallic Barrel

Iron-based alloy lining with excellent wear and corrosion resistance for long service life.

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Surface Hardened Screw

Nitrided layer depth 0.5–0.8mm, hardness HRC 58-65 for superior abrasion resistance.

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Custom L/D Ratios

Standard 20:1, 25:1, 30:1 options. Custom ratios available for specialized applications.

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High Temperature Resistant

Stable performance under high-temperature molding conditions up to 350°C.

High Output Design

Optimized screw geometry for fast cycle times and high productivity.

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All Brands Compatible

Fits Haitian, Yizumi, Chen Hsong, ENGEL, Arburg, Milacron, and other standard machines.

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Uniform Melting

Precise compression ratio design ensures homogeneous melt and stable injection.

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Wear Resistant

Suitable for filled compounds, recycled materials, and abrasive plastic blends.

Applications

PP / PE / PS Packaging
ABS Automotive Parts
PC / PMMA Optical Lenses
Nylon (PA6/PA66) Engineering
PBT / PET Electronic Components
Medical Grade Plastics
Filled Compounds (CaCO3, GF)
Recycled Material Processing
Thin-Wall Containers

Get a Quote for Your Injection Molding Screw

Tell us your machine model, screw specifications, and material requirements. We typically respond within 2 hours.

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