Why Is the Parallel Twin Screw Barrel So Essential for Efficient Plastic Processing?
2025-11-07
In the field of plastic extrusion and injection molding, the Parallel Twin Screw Barrel plays a decisive role in determining production efficiency, product quality, and long-term machine performance. At E.J.S Industry Co., Ltd., we specialize in designing and manufacturing high-precision Parallel Twin Screw Barrels that meet the needs of various extrusion systems, including PVC, PE, PP, and WPC applications. With years of engineering expertise, our products ensure excellent melt homogeneity, superior wear resistance, and optimal processing stability.
What Is a Parallel Twin Screw Barrel and How Does It Work?
A Parallel Twin Screw Barrel consists of two parallel screws rotating in a barrel, working together to convey, compress, mix, and melt the plastic material. Its structure ensures a consistent plasticizing effect and stable output. Unlike conical designs, the parallel configuration offers uniform torque transmission and is ideal for high-output production lines.
Key Components Include:
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Barrel body
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Screw elements (feeding, kneading, mixing, and metering sections)
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Cooling and heating system
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Gearbox connection interface
This combination ensures smooth material flow and high mechanical strength under continuous operation.
Technical Specifications of E.J.S Industry Parallel Twin Screw Barrel
| Parameter | Specification |
|---|---|
| Screw Diameter Range | Φ20mm – Φ180mm |
| Screw Ratio (L/D) | 15:1 – 40:1 |
| Barrel Material | 38CrMoAlA / SKD61 / bimetallic alloy |
| Nitriding Hardness | HV≥900 |
| Nitriding Depth | 0.4mm – 0.7mm |
| Surface Roughness | Ra 0.4 – 0.8μm |
| Application Fields | PVC Pipe, WPC Profile, Cable, Sheet Extrusion |
Each Parallel Twin Screw Barrel produced by E.J.S Industry Co., Ltd. undergoes strict quality control procedures to guarantee performance stability and extended lifespan.
What Are the Functions and Benefits of Using a Parallel Twin Screw Barrel?
The main functions include:
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Plasticizing: Evenly melts plastic pellets under controlled temperature and pressure.
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Mixing: Achieves uniform blending of additives, pigments, and fillers.
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Conveying: Ensures steady material flow with minimal pressure fluctuations.
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Shaping: Provides consistent extrusion results with excellent dimensional accuracy.
Benefits:
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Improved output efficiency by 20–40%.
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Reduced material waste and processing time.
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Enhanced mechanical strength and surface quality of the final product.
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Lower maintenance frequency due to durable alloy materials.
Q&A: Insights About the Parallel Twin Screw Barrel
Q1: Why did I choose the Parallel Twin Screw Barrel for my extrusion line?
A1: Because it offers superior stability and output capacity. When I switched to the Parallel Twin Screw Barrel from E.J.S Industry Co., Ltd., I immediately noticed smoother material flow and better product consistency. The precise design of the screws improved both mixing and energy efficiency.
Q2: How does the Parallel Twin Screw Barrel affect production cost?
A2: From my experience, using a well-engineered Parallel Twin Screw Barrel significantly reduces operational costs. The optimized screw geometry lowers power consumption, while the high wear-resistant barrel minimizes downtime caused by maintenance. Over time, this directly translates into higher profitability and better production reliability.
Q3: Can the Parallel Twin Screw Barrel be customized for special materials?
A3: Absolutely. When I consulted E.J.S Industry Co., Ltd., they offered tailored solutions based on my material requirements — whether for high-fill compounds, PVC, or wood-plastic composites. Their engineering team adjusted the screw design and metallurgy to perfectly match my processing conditions.
The Importance of Choosing the Right Parallel Twin Screw Barrel
Selecting the right Parallel Twin Screw Barrel is not just about matching dimensions; it's about achieving the perfect balance between mechanical strength, processing efficiency, and long-term reliability. Poor-quality barrels can lead to uneven melting, degraded materials, and frequent downtime. On the other hand, barrels from E.J.S Industry Co., Ltd. are designed for precision, wear resistance, and optimized thermal performance — ensuring stable operation even under demanding conditions.
E.J.S Industry Co., Ltd. – Your Trusted Partner for Screw and Barrel Solutions
With more than 30 years of experience, E.J.S Industry Co., Ltd. has become a leading manufacturer of extrusion and injection molding components worldwide. Our advanced CNC machining centers, nitriding furnaces, and inspection systems ensure that every Parallel Twin Screw Barrel meets international standards and customer-specific demands.
Conclusion
The Parallel Twin Screw Barrel is a vital component that directly influences the efficiency and quality of your plastic processing line. Its superior mixing capability, uniform torque, and long service life make it indispensable for modern extrusion systems. Whether you're producing pipes, profiles, or sheets, investing in a high-quality barrel from E.J.S Industry Co., Ltd. means investing in productivity, reliability, and long-term success.
👉 Ready to upgrade your extrusion performance? Contact us today at E.J.S Industry Co., Ltd. for customized Parallel Twin Screw Barrel solutions that drive your business forward!
