Conical Twin Screw Barrel for Extruder
High-Precision, High-Output Conical Twin Screw Barrels for PVC, PE & Thermoplastic Extrusion
The Conical Twin Screw Barrel for Extruder by Plastivo Extrusions is a high-performance, precision-engineered component designed to deliver exceptional mixing efficiency, stable melt flow, and superior output quality in PVC, PE, and other thermoplastic extrusion applications.
Featuring a robust mild steel construction with surface hardness of HRC 60–65, this twin screw barrel system is built to withstand high mechanical loads, pressure, and temperatures—making it ideal for demanding industrial production lines such as PVC pipe extrusion, PVC profile manufacturing, WPC extrusion, cable extrusion, and granulation.
Engineered with conical geometry and synchronized screw design, this system provides unmatched material homogenization, excellent temperature control, and consistent extrusion performance.
Technical Specifications
Key Features of Plastivo’s Conical Twin Screw Barrel
✔ Precision Mixing & Homogenization
The synchronized twin-screw action ensures:
● Uniform melting
● Consistent resin blending
● Excellent plasticizing
● Reduced unmelted granules
Resulting in high-quality extruded products.
✔ High Durability & Strength
Manufactured using high-grade mild steel with:
● HRC 60–65 hardened surface
● Deep nitrided coating
● Advanced heat treatment
This ensures superior:
● Wear resistance
● Corrosion resistance
● Extended operational lifespan
✔ Stable Melt Flow
The conical geometry provides:
● Enhanced feeding
● Controlled compression
● Stable meltdown
● Accurate pressure build-up
Ensuring smooth extrusion across all product sizes.
✔ Customizable Configurations
Available in:
● Type: Conical Twin Screw Barrel
● Screw diameter: 20 mm to 150 mm
● L/D ratios: Custom
● Screw pitch variations
● Special coatings (bimetallic optional)
● Venting & non-venting options
Tailored for all major extrusion machine brands.
Engineered for High-Quality PVC & PE Extrusion
✔ Conical Twin Screw Design
Conical screws are designed with varying diameters across the length, providing:
● Higher compression
● Efficient mixing
● Better material melting
● Reduced shear
● Stable pressure control
Ideal for shear-sensitive materials like PVC.
✔ Perfect for Rigid & Soft PVC
Optimized for:
● PVC pipes
● PVC profiles
● Window frames
● Door profiles
● Cable insulation
● WPC products
Ensures balanced mixing and superior melt homogeneity.
Applications Across Industries
✔ PVC Pipe Manufacturing
Ideal for high-output PVC pipe extrusion lines.
✔ PVC Profile Extrusion
Used for:
● Door profiles
● Window profiles
● WPC profiles
● Cable ducts
✔ WPC (Wood-Plastic Composite) Extrusion
Provides superior mixing for wood-filled materials.
✔ Granulation & Compounding
Ensures balanced melt flow for pellet production.
✔ Cable Coating & Insulation
Suitable for extrusion of thermoplastic cable sheathings.
Why Choose Plastivo Extrusions Conical Twin Screw Barrel?
Manufacturing Excellence & Quality Control
Each twin screw & barrel undergoes:
● CNC machining
● Deep-hole drilling
● Precision grinding
● Nitriding
● Heat treatment
● HRC testing
● Concentricity checks
● Alignment inspection
Ensuring flawless performance and long-term reliability.
Benefits at a Glance
✔ Superior PVC & thermoplastic processing
✔ Excellent material blending & homogenization
✔ High wear resistance (HRC 60–65)
✔ Stable pressure & melt flow
✔ Long service life
✔ Custom screw geometries
✔ Designed for high-output extrusion lines
✔ Minimum order quantity of 10 pieces
