High-Precision Twin Screw Elements for Extruders - Wear & Corrosion Resistant with Custom Geometry Options
Product Specifications
| Attribute |
Value |
| Material |
As Request |
| Heat Treatment |
As Request |
| Surface Treatment |
Sand Blasting/Polishing |
| Service Provided |
Video Technical Support |
| Warranty |
6 Months |
| Hardness |
HRC 58-64 As General |
| Standards |
DIN, GB, Etc. |
| Technics |
CNC Machining |
Product Overview
ZHITIAN specializes in manufacturing high-precision twin screw extruder elements with wear and corrosion resistant materials. Our products are compatible with major international extruder brands including Coperion, Leistritz, Berstorff, JSW, Maris, Fessia Macross, and APV. We offer customized solutions to meet specific process parameters, wear resistance, corrosion resistance, and lifespan requirements.
Key Features and Benefits
- High-Precision Machining: All screw elements are CNC machined to ensure precise profiles and tight geometric tolerances. Internal splines are inspected using specialized gauges for full interchangeability with original parts.
- Diverse Material Options: Multiple alloy materials available to suit various application requirements.
- Customizable Structures: Hundreds of standard models available with flexible customization options.
Material Selection Guide
| Material Category |
Material Grade |
Application Scenario |
| Wear-Resistant Materials |
W6Mo5Cr4V2, PM-HIP: WR5, WR13, CPM10V |
High-fill, high-shear extrusion environments requiring superior wear resistance |
| Corrosion-Resistant Materials |
38CrMoAla, 316L, 440C stainless steels, PM-HIP: WR4, CPM9V |
Processing materials containing chlorine, acids, or other corrosive media |
| Wear & Corrosion Resistant |
PM-HIP composite materials: WR13, CPM10V |
Extreme environments with simultaneous wear and chemical attack |
Available Screw Element Types
- Convey Screw Segments
- Kneading Blocks & Disks
- Mixing Segments
- Transition Elements & Decompression Sections
- Side Feeder Screw Elements
- Single/Double/Triple Flighted Designs
- OEM Special Parts Based on Customer Drawings
Quality Assurance
- Material Inspection: Raw materials verified through chemical composition analysis and metallographic testing
- Precision Machining: 5-axis CNC machining centers ensure profile accuracy and surface finish
- Spline Testing: Internal splines verified with precision gauges for 100% compatibility
- Heat Treatment: European PM high-speed steel processing with strict procedures
- Fast Delivery: Common models in stock; custom parts delivered within 45 days
- Traceability: Unique serial numbers for each production batch
Frequently Asked Questions
Q: How do I select the right material for my process?
A: Material selection depends on factors such as filler content, corrosive media, and processing temperature. Our engineers provide professional recommendations based on your specific conditions.
Q: Can I customize special geometric structures?
A: Yes, we can quickly model and produce screw elements according to your drawings or samples, suitable for pilot lines or new formulations.
Q: How do you ensure compatibility with my equipment?
A: We maintain a comprehensive database of global extruder models and use dedicated tooling to guarantee precise fit and stable production.
Q: Do you support bulk purchases or long-term cooperation?
A: We offer OEM customers inventory programs to ensure timely spare parts supply, helping large manufacturers reduce inventory costs.
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