The 85mm Feeder Screw Barrel with a center distance of 67.8mm is specifically designed for double-screw PP extruders, offering exceptional performance in plastic pelletizing processes. Engineered for precision and durability, this screw barrel ensures consistent feeding, mixing, and extrusion of polypropylene (PP) and other polymer materials. Its conical double-screw design provides better material flow and enhanced pressure-building capability, making it ideal for high-volume production in the plastics industry.

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

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.

Specializing in the production of twin-screw extruder parts

Zhitian, a high-tech enterprise and Jiangsu Province-certified Specialized, Refined, Distinctive, and Innovative (SRDI) company, has specialized in twin-screw extruder parts for over two decades. With two production bases in Nanjing Zhitian and Anhui Zhitian New Materials covering over 13,000 square meters and employing over 100 staff, we adhere to the management philosophy: "Guided by customer needs to drive enterprise development; rooted in dedicated employees to forge the company's future."

As a renowned manufacturer in twin-screw extruder parts, we provide:

• High-performance alloy material solutions for screw barrels (nickel-based alloys, cobalt-based alloys, etc.)
• Professional design and manufacturing of key parts including screw barrels, gearboxes, screw elements, and shafts
• Comprehensive services encompassing repair, sample mapping and processing, and custom manufacturing according to requirements

Our solutions serve multiple industries including plastics & rubber, battery materials, and food & feed processing.

With global operations spanning Americas, Europe, Middle East, Africa, East Asia and Southeast Asia, Zhitian maintains strategic partnerships with world-leading extruder manufacturers including Coperion, KraussMaffei, Leistritz, Bühler, CPM, and Jwell. Supported by robust technical capabilities, advanced processing equipment, sophisticated production techniques, and stringent quality control systems, we deliver premium products that have earned widespread acclaim from global customers.