Compounding Twin Screw for Extruder
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Compounding Twin Screw for Extruder

Our Compounding Twin Screw is the engineered core of high-performance mixing, designed to disperse fillers, blend polymers, and incorporate additives with maximum efficiency. It delivers the intense yet controllable shear necessary to achieve perfect material homogeneity in masterbatch, alloy, and reinforced compound production.
Screw Diameter: Φ20 – Φ330 mm
L/D Ratio: 16:1 – 35:1
Surface Roughness: Ra 0.4 μm
Linearity: 0.015 mm/m
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Product Introduction

Zhejiang Zhongyang Screw Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of compounding twin screw for extruder in China. With abundant experience, we warmly welcome you to buy durable compounding twin screw for extruder from our factory. All customized products are with high quality and competitive price.

 

Compounding Twin Screw for Extruder 1

Product Introduction

 

Our Compounding Twin Screw is the engineered core of high-performance mixing, designed to disperse fillers, blend polymers, and incorporate additives with maximum efficiency. It delivers the intense yet controllable shear necessary to achieve perfect material homogeneity in masterbatch, alloy, and reinforced compound production.

Product Description

 

This robust parallel twin-screw system is engineered as a complete compounding solution. It features a long barrel (high L/D ratio) with strategically placed feeding ports for main ingredients, additives, and liquid injectors, alongside several vacuum vent ports for efficient degassing. The core of its performance lies in the custom screw configuration, which expertly combines high-shear kneading blocks for breaking down agglomerates and achieving dispersive mixing with specialized conveying and mixing elements for distributive blending and melting. Constructed from premium wear-resistant materials, it is built to withstand the abrasive nature of fillers like calcium carbonate, titanium dioxide, and glass fiber. The design ensures complete melting, uniform temperature distribution, and stable die pressure, which is critical for producing consistent, high-quality pellets or direct extrudates. This system is synonymous with high throughput, process stability, and the ability to handle a wide range of feedstock viscosities, making it the backbone of modern compounding lines.

Compounding Twin Screw for Extruder 2

 

Compounding Twin Screw for Extruder 3
Our Advantages
  1. Superior Dispersive Mixing: Engineered screw profiles ensure complete breakdown and uniform dispersion of fillers and pigments.
  2. High-Throughput Design: Optimized for continuous, stable operation with multiple feeding and venting capabilities.
  3. Exceptional Wear Resistance: Built to endure abrasive compounds, maintaining performance over long production runs.
  4. Excellent Process Stability: Delivers consistent melt quality and pressure for uniform pellet or product geometry.

 

Technical Date

 

 

Parameter

Specification

Screw Diameter

Φ20 – Φ330 mm

L/D Ratio

16:1 – 35:1

Materials (Screw/Barrel Base)

38CrMoAlA (SACM645)
31CrMoV9 (1.8519)
34CrAlNi7 (1.8550)

Materials (Alloy Sleeve/Liner)

4Cr5MoSiV1 (SKD61, H13)
C2
D2

Surface Roughness

Ra 0.4 μm

Linearity

0.015 mm/m

Nitrided Hardness

HV 850 – 1000

Nitrided Depth

0.5 – 0.8 mm

Chrome Coating Thickness

0.03 – 0.05 mm

 

Compounding Twin Screw for Extruder

Application

 

The industry standard for producing color and additive masterbatches, glass-fiber reinforced composites, wood-plastic composites (WPC), flame-retardant materials, and various polymer alloys. Central to operations in toll compounding facilities and in-house compounding lines for the automotive, packaging, and construction industries.

FAQs

 

1.Q: Why should we choose you over other suppliers?

A: Choosing us means partnering with a dedicated specialist, not just a vendor. We offer a powerful combination of deep technical expertise in extrusion, fully customizable solutions, and robust after-sales support. Unlike general suppliers, we focus on understanding your specific material and production challenges to provide not just a part, but a reliable, high-performance solution that enhances your productivity and reduces your total cost of ownership.

2.Q: What is your typical lead time, and do you offer expedited services?

A.For customized products, the lead time typically ranges from 25 to 45 days, depending on design complexity. We prioritize transparent communication and will provide a detailed schedule upon order confirmation. For urgent needs, we offer expedited manufacturing options-please contact us to discuss feasibility and specific timelines for your project.

3.Q: Can you help us reduce our long-term operating costs?

A. Absolutely. While our initial product quality comes at a competitive price, our real value lies in significantly lowering your long-term costs. Our products are engineered for superior wear resistance and longer service life, reducing downtime and frequency of replacements. Furthermore, our optimized designs can contribute to better energy efficiency in your process. By minimizing maintenance and maximizing uptime, we deliver a higher return on your investment.

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