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Key Features
• Double-Screw Design: The conical screw design enhances material
conveying and pressure build-up, allowing for smoother feeding and
better mixing during extrusion, ideal for PP pellet production.
• 85mm Diameter for Efficient Processing: The 85mm screw diameter
provides optimal material handling capacity, making it suitable for
large-scale plastic pelletizing operations.
• Precision-Machined for Consistent Performance: The screw barrel
is precision-engineered to tight tolerances, ensuring seamless
alignment with the extruder, minimizing wear and tear while
maximizing operational efficiency.
• High-Quality Alloy Steel Construction: Manufactured from durable
alloy steel, the screw barrel offers excellent wear resistance and
thermal stability, even during continuous, high-temperature
operations.
• 67.8mm Center Distance: Specifically designed with a 67.8mm
center distance, ensuring compatibility with conical twin-screw
extruders, providing optimal performance in PP and other plastic
pelletizing applications.

Technical Specifications
Feature
Description
Screw Diameter
85mm
Center Distance
67.8mm
Material
High-quality alloy steel
Design
double-screw for optimized pressure and material flow
Wear Resistance
High, suitable for continuous plastic pelletizing
Application
PP extrusion and plastic pelletizing
Precision Tolerance
Tight tolerances for optimal alignment and performance

Applications
• Plastic Pelletizing: Ideal for use in PP plastic pelletizing
applications, providing efficient material handling and consistent
output.
• Polymer Extrusion: Suitable for the extrusion of various
polymers, particularly polypropylene, ensuring uniform pellet size
and material quality.
• High-Volume Production: Designed for large-scale production
environments, where consistent feeding and pressure build-up are
critical to maintaining efficiency.

Why Choose Our Feeder Screw Barrel for Double-Screw PP Extruder?
• Enhanced Material Flow: The double-screw design ensures smoother
feeding and better material dispersion during the extrusion
process, improving overall production quality.
• Durability and Wear Resistance: Built from high-quality alloy
steel, this screw barrel offers exceptional durability and can
withstand continuous, high-stress operations in plastic
pelletizing.
• Precision Engineering: Machined to tight tolerances, this screw
barrel provides a perfect fit and optimal alignment with your
extruder, reducing downtime and maintenance.
• Versatile Application: Ideal for PP extrusion and other polymer
materials, making it a flexible choice for a range of plastic
pelletizing processes.

Frequently Asked Questions (FAQ)
Q1: What materials can this screw barrel process?
A1: This screw barrel is optimized for polypropylene (PP) but can
also handle other polymer materials in pelletizing processes.
Q2: How does the design benefit extrusion?
A2: The double-screw design enhances material flow and pressure
build-up, improving the mixing and extrusion process for better
product quality.
Q3: Is this screw barrel compatible with my extruder?
A3: The screw barrel is designed with a 67.8mm center distance,
specifically for conical double-screw extruders. Please confirm
your machine specifications for compatibility.
Q4: What is the advantage of using high-quality alloy steel?
A4: Alloy steel provides superior wear resistance, thermal
stability, and durability, ensuring the screw barrel can withstand
long-term, high-temperature operations without degrading.
Q5: How often does the screw barrel need maintenance?
A5: With its high wear resistance and precision construction, this
screw barrel requires minimal maintenance, reducing downtime and
extending the life of your extrusion equipment.

Contact Us:
For more information about our 85mm Plastic Pellet Machine Parts
Feeder Screw Barrel 67.8mm Center Distance Double-Screw PP
Extruder, or to inquire about customization options, please contact
our technical sales team. We are committed to delivering
high-quality, reliable components tailored to your specific plastic
processing needs.
Tags:
pellet press parts,
pellet mill parts,
plastic pelletizing machine spare parts