Twin Screw Extruder Barrel & Screw Elements with 0.015mm Straightness and HV900-1000 Hardness for PVC Processing
Premium corrosion-resistant screw elements and barrels designed for optimal plastic processing performance with 20,000-hour lifespan and production outputs of 130-150kg/h.
Our twin screw extruder barrel and screw elements are engineered for high-performance plastic machinery applications. These critical components ensure superior mixing, cutting, and spreading of plastic materials while providing exceptional corrosion resistance and wear protection.
| Parameter | Specification |
|---|---|
| Material | High quality 38CrMoAlA |
| Processing Method | Advanced nitriding & bimetallic process |
| Hardness After Hardening & Tempering | HB280-320 |
| Nitrided Hardness | HV900-1000 |
| Nitrided Case Depth | 0.45-0.8mm |
| Surface Roughness | Ra 0.4 |
| Screw Straightness | 0.015mm |
| Alloy Hardness | HRC 50-65 |
| Alloy Depth | 0.8-2.0mm |
| Minimum Order Quantity | 1 set (1 pair of screws and 1 piece barrel) |
| Component | Type I | Type II |
|---|---|---|
| Screw | Internal water/oil cooling system | External oil cooling system |
| Barrel | External air cooling system | Copper pipe around cooling system |
- Exceptional corrosion resistance for extended service life
- High self-cleaning performance ensuring product quality
- Superior wear resistance with nitrided hardness HV900-1000
- Precision engineering with 0.015mm straightness tolerance
- Accurate dimensions and high capacity design
- Easy maintenance and reliable operation
- 20,000-hour operational lifespan
Primary Material: PVC processing
Production Output: 130-150kg/h
Service Life: 20,000 hours
Global Reach: Proven performance in West Europe, East Europe, South America, South Africa, and Middle East markets.
| Raw Material | Processing Requirements |
|---|---|
| 38CrMoAlA, SACM645 | Nitriding treatment |
| Cr12MoV, Cr12 | Alloy steel processing |
| 38CrMoAlA, SACM645, 40Cr, AISI4140, 42CrMo | Alloy steel treatment |
| 4Cr5MoSiV1, SKD-61, SKD-11 | Bimetallic inner hole centrifugal casting |
| GHII3 | Natural hardening after high temperature |
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