Corrosion Proof Screw Barrel for Extrusion of Reactive Polymers
Product Specifications
Screw Design
Double-screw
Twin Screw Type
Co-rotating Parallel Twin-screw
Product Description
This wear-resistant screw barrel for extrusion is specifically developed for abrasive plastic compounding tasks. By applying a nickel-based alloy cladding layer through laser technology, the inner surface achieves excellent durability against glass fiber, talc, or calcium carbonate-filled materials. Combined with high-precision CNC machining, it ensures long-term operation with minimal dimensional loss. Ideal for high-output twin screw extruders.
Advanced Building Block Design
The main screw and barrel of the split twin-screw extruder adopt an advanced "building block" design. The screw is composed of various screw blocks installed on the mandrel and barrel lining, forming a sleeve that can be adjusted according to different screw blocks. This design allows the screw component structure to be flexibly combined according to the process requirements of the material variety to achieve material transportation, refinement, shearing, and discharge.
This effectively solves the difficult-to-consider contradiction between the versatility and specificity of the screw, achieving the purpose of one machine with multiple uses.
Key Benefits
- Reduced maintenance costs: Worn components can be partially replaced, preventing the entire screw or barrel from being scrapped
- Material options: Available in Cr26, Nickel based alloy, or SAM26 materials
- High wear resistance: Specially designed for abrasive materials with glass fiber, talc, or calcium carbonate fillers
- Precision manufacturing: CNC machining ensures dimensional accuracy and long service life
Barrel Types and Materials
| Barrel Type | Materials |
| Solid Barrel | Hastelloy-C Alloy, 38CrMoAla, 304/316/316L Stainless Steel |
| Direct Compound Barrel | ZT610 Ni60 Based+Cu, ZT615 Ni60 Based, ZT625 Ni60 Based+Tungsten carbide, HIP Cobalt Based+Tungsten carbide |
| Complete Liner Barrel | 38CrMoAla Liner, 440C Stainless Steel Liner, Cr12MoV Liner, SKD11/SKD61 Liner, DC53 Liner, W6Mo5Cr4V2 Liner, ZTCr26 Liner, SAM26/WR13 Liner, CPM10V/WR5 Liner, ZT610 Ni60 Based Liner+Cu, ZT615 Ni60 Based Liner, ZT625 Ni60 Based Liner+Tungsten carbide, HIP Cobalt Based Liner+Tungsten carbide |
| Compound Alloy Liner Barrel | S45C+ZT610 Ni60 Based Liner+Cu, S45C+ZT615 Ni60 Based Liner, S45C+ZT625 Ni60 Based Liner+Tungsten carbide, S45C+HIP Cobalt Based Liner+Tungsten carbide |
Product Gallery
Why Choose Zhitian's Extruder Barrel?
We have extensive experience in twin-screw extruder screw barrels. Through continuous practice, we have developed a variety of new screw barrels, which, with different screw designs, greatly increase output and enhance service life. We also provide OEM services for well-known extruder complete machine manufacturers worldwide.
Our Advantages
- Long service life with high wear and corrosion resistance materials
- Professional technical team for sample measurement, design, and component combination services
- Complete modern management system ensuring 100% qualified products with traceable quality
- Wide range of applications for processing various materials
- Competitive pricing without compromising quality
Company Profile
NANJING ZHITIAN specializes in manufacturing replacement parts for twin screw extruders with over 20 years of experience. We manufacture gearboxes, barrels and screw elements for twin screw extruders, and also provide refurbishment services for gearboxes and barrels.
Our company features strong technical force, excellent processing equipment, advanced production technology, strict inspection system and perfect after-sales service, praised by customers worldwide. Our products have mature applications in major global well-known brands.
Frequently Asked Questions
What products and services does your company primarily offer?
Our company is a leading global manufacturer of key components for twin-screw extruders, mainly providing critical components such as twin-screw extruder gearboxes, barrels, screw elements, and core shafts.
What are the features of your twin-screw extruder gearboxes?
Our twin-screw extruder gearboxes are characterized by high efficiency, stability, and durability, providing powerful propulsion for our customers.
In which industries are your products widely used?
Our products find extensive applications in industries such as processing high-molecular materials like plastics, rubber, and synthetic fibers, as well as in packaging for food, pharmaceuticals, and emerging fields like lithium battery slurry coating in new energy sources.
How can we obtain customized solutions?
We provide personalized product designs and professional technical support for our customers. Contact our customer service team for detailed customization options.
What is your company's guarantee for product quality?
We are committed to delivering high-quality products and ensure compliance with the highest standards through rigorous quality control processes.
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