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Extruder single screw & barrel Specification range:Ø20 –Ø500 mm( L/D = 15~55) MOQ:1 set Customization:Available(OEM/ODM Accepted) Packaging:Wooden Case with Anti-Rust Oil Trademark:Guangyou Screw
Keywords: Extruder Single Screw & Barrel
Product Details
Welcome to Guangyou Screw
Made in China Made by Guangyou Made for world
Boost productivity with our wear and corrosion resistant screw and barrel
1. Unmatched Manufacturing Scale & Precision
100,000 m² Advanced Production Base: Features fully automated, computer-controlled manufacturing lines with precision tolerances (≤0.01mm).
European-Grade Quality Infrastructure:
- German-imported material analysis & quality control systems (spectrometers, CMM)
- CNC nitriding/quenching furnaces with temperature uniformity (±3°C)
- Robotic plasma alloy surfacing stations
ISO-Certified Processes: Achieves 99.8% product qualification rate through zero-defect protocols.
2. Engineering-Led Customization Capabilities
Guangyou designs optimized screw/barrel systems for any material or process requirement:
- Custom Geometry: Compression ratios, L/D ratios, flight depths tailored to client specifications
- Material-Specific Solutions: Specialized profiles for abrasive (GF, minerals), corrosive (PVC, flame retardants), and high-temperature polymers
Zhejiang Guangming Plastics Machinery Co.,Ltd.
Who are we: Your Strategic Manufacturing Partner
Global Impact
100,000+ m² Advanced Facility
800+ Engineering Professionals
11,000+ Single Screw/Barrel Sets Annual Output
12,000+ Twin Screw Sets Annual Output
Serving Clients Across 50+ Countries
Product range:
Extruder Screw & Barrel
Parallel Screw & Barrel
Bimetallic Screw & Barrel
Conical Twin Screw & Barrel
Rubber Screw & Barrel
Injection Screw & Barrel
Typical industries & applications we serve:
· Pipe & profile extrusion (PVC, PE, PP, WPC)
· Flooring & decking (WPC)
· Injection molded parts (including automotive interiors, consumer goods)
· Rubber extrusion
Compounding & masterbatch production
Quality control system
Digital Production Process
1. ERP & MRS Integration
- Full digital monitoring of production using ERP and MRS systems.
2. Unique ID Tracking
- Each workpiece is assigned a unique ID card for traceability.
3. Real-Time Recording
- Records include:
- Timestamp
- Machine used
- Employee responsible
- Production step completed
4. Automated Documentation
- Systems generate reports for quality control and process optimization
Guangyou Sample Room
Why choose Guangyou?
• Professional Expertise: More than 30 years in screw & barrel design and manufacturing.
• Advanced Equipment: CNC machining centers, vacuum nitriding furnaces, and precision grinding machines ensure accuracy and consistency.
• Material Excellence: Imported alloy steel and bimetallic solutions for long-lasting durability.
• Customized Solutions: We design screws & barrels according to customer's machine model, raw materials, and production requirements.
• Strict Quality Control: 100% inspection of hardness, concentricity, and dimensional tolerance before delivery.
• Global Service: Our products are widely exported to Europe, South America, Southeast Asia, and Africa, earning long-term trust from international clients.
Factory showcase
Lovely moments with our customers
FAQ
1. How about MOQ:
1pcs is available.
2. What is the lead time?
Lead time varies based on size and bimetallic status.
40-50 days for nitriding single screw and barrel (Φ20-Φ90)
50-60 days for nitriding single screw and barrel (Φ90-Φ180)
60-70 days for nitriding single screw and barrel (Φ180-Φ250).
Over 70 days for nitriding single screw and barrel (Φ250-Φ500).
45-50 days for nitriding parallel twin screw and barrel (Φ45-Φ90).
50-60 days for nitriding parallel twin screw and barrel (Φ90-Φ135).
Over 60 days for nitriding parallel twin screw and barrel (Φ135-Φ350).
35-45 days for nitriding conical twin screw and barrel (Φ25/50-Φ80/156).
50-60 days for nitriding conical twin screw and barrel (Φ92/188-Φ110/220).
Over 60 days for nitriding conical twin screw and barrel (Φ115/230-Φ185/340).
Bimetallic screw and barrel require an additional 5 days.
3. What is the lifespan of the screw and barrel?
Lifespan varies with formula and heat treatment. For 30phr nitriding, expect 3-5 years.
Bimetallic screw and barrel have an extended lifespan.
4. How to submit an inquiry?
Feel free to contact via email or WhatsApp. Visiting our factory is recommended.
5. How can we ensure your quality?
We partner with many extruder and screw & barrel makers in Europe and Asia, all satisfied with our quality.
Before shipping, we provide test reports for material, heat treatment, and tolerance.
6. Can I improve the current screw and barrel properties?
For unsatisfactory output or melt quality, our engineers can revise or redesign your screw and barrel.

Zhejiang Guangming Plastics Machinery Co., Ltd.
Guang You Screw Established in 1992, we have evolved into a leading international manufacturer of diverse machine barrels and screws. Nestled in the Xihou Industrial Zone, Jintang Town, Zhoushan, Zhejiang, our expansive facility spans over 100,000 square meters and is home to more than 600 dedicated employees.
Founded: 1992 in Zhoushan, Zhejiang.
Global Reach: Exporting to over 80 countries across Asia, Europe, and the Americas.
Facilities & Quality: Our state-of-the-art factory features CNC machining and computerized nitriding/quenching equipment, supported by ISO9001-certified quality management systems.
Capabilities: Comprehensive OEM/ODM services offering personalized design and branding, along with in-house metallurgy and testing capabilities (including bimetal welding and hardness control).
Worker Over 600
Area 100,000 m²
Patent: 80+
Core Product Lines
1. Extruder Single Screw & Barrel
2. Injection Molding Machine Screw & Barrel
3. Rubber Extruder Screw & Barrel
4. Conical Twin Screw & Barrel
5. Parallel Twin Screw & Barrel
6. Bimetallic screw & barrel
7. Other Plastic Machine Accessories
Typical industries & applications we serve
Pipe & profile extrusion (PVC, PE, PP, WPC)
Flooring & decking (WPC)
Injection-molded parts (including automotive interiors, consumer goods)
Compounding & masterbatch manufacturing
Rubber extrusion
|
Product Line |
Specifications |
Key Features |
|
Conical Twin Screw |
Ø25/50–Ø185/340 mm |
Variable compression designs |
|
Parallel Twin Screw |
Ø45/2 – Ø350/2 mm |
High-output configurations |
|
Single Screw |
Ø20– Ø500mm (L/D: 15-55) |
Precision metering sections |
|
Injection Screws |
Ø20–Ø300 mm (Clamping: 100–35,000 kN) |
Wear-resistant alloys |
|
Rubber Processing |
Ø20 – Ø650 mm |
Cold-feed/pin-type variants |
- Extruder Single Screw & Barrel
Extruder barrel, screw specifications: Ø20mm to Ø500mm
Aspect ratio: L/D = 15–55
- Injection Molding Machine Screw & Barrel
Injection molding machine barrel, screw specifications:
100 kN to 35,000 kN clamping force
30–30,000 g injection volume
Screw diameter: Ø20mm to Ø300mm
The screw structure and compression ratio can be designed according to different products and various accessories.
- Rubber Extruder Screw & Barrel
Pin screw, barrel specifications: Ø75mm to Ø200mm
Cold and hot feeding screw specifications: Ø20mm to Ø650mm
The screw structure and compression ratio can be designed according to different products and various accessories.
- Conical Twin Screw & Barrel
Conical twin-screw, barrel specifications: Ø25/50 to Ø185/340
The screw structure and compression ratio can be designed according to different products and various accessories.
- Parallel Twin Screw & Barrel
Parallel twin-screw, barrel specifications: Ø45mm to Ø350mm
The screw structure and compression ratio can be designed according to different products and various accessories.
- Bimetallic screw & barrel
The bimetal machine is designed to cast a layer of 2-5mm wear-resistant, corrosion-resistant, and high-temperature-resistant alloy onto the inner wall of the machine.
|
Technical parameters |
|
|
Hardness after tempering: HB280-320 |
Screw straightness: 0.015 mm |
|
Nitriding hardness: HV850-1000 |
Hardness of chromium plating on the surface after nitriding ≥ 900 HV |
|
Nitriding layer depth: 0.45–0.7 mm |
Chrome coating thickness: 0.025–0.10 mm |
|
Nitriding brittleness: Grade II |
Dual alloy hardness: HRC50-65 |
|
Surface roughness: ≤ Ra0.4 |
Double alloy depth: 0.8–2.0 mm |
Precision Materials Science
types of materials
|
materials |
|
|
|
38CrMoAl (1.8509) |
D2 |
AISI316 |
|
34CrAlNi7 (1.8550) |
DC53 |
AISI420 |
|
31CrMoV9 (1.8519) |
Gr12MoV |
9Cr18MoV |
|
40CrNiMo |
440C |
17PH-4 |
|
42CrMo |
AISI304 |
Incoel 718 |
|
40Cr |
1.2316 |
Hastelloy C-276 |
|
C45 |
1.4462 |
Incoel 625 |
|
SKD11 |
1.4404 |
Monel 400 |
|
SKD61 |
1.4122 |
Monel 500 |
|
S600 |
|
|
Machining Details
The company excels in precision machining, utilizing advanced CNC equipment, nitriding/quenching furnaces, and alloy welding machines. It employs German-imported material monitoring systems, state-of-the-art quality inspection tools, as well as ERP and MES systems to ensure high-quality products.
After-Sales Service
- 48-Hour Technical Response: On-site support and process evaluation. - Reverse Engineering: Remanufacturing with advanced 3D scanning. - Inventory Management: Regional warehouses in EU/NA/Asia for critical spares.
Why Choose Us?
- 30+ Years of Experience – Established in 1992, specializing in screw and barrel manufacturing.
-Global Recognition – Exported to over 50 countries, trusted worldwide.
- Advanced Facilities – Equipped with CNC machining, nitriding, and bimetallic welding.
-Wide Product Range – Extruder and injection screw/barrel for diverse plastics.
-OEM/ODM Service – Custom designs tailored to meet client needs.
-Strict Quality Control – ISO9001 certified, comprehensive inspection prior to delivery.
- After-Sales Support – Prompt response, spare parts supply, lifetime service.
Global R&D Leadership
80+ Patents: Highlighting 12 invention patents for alloy compositions and wear-resistant geometries.
- Materials Science Lab: Innovates proprietary powder metallurgy formulas (e.g., Ni-Cr-B-Si with spherical WC carbides).
- Digital Twin Simulation: Predicts wear patterns and flow dynamics for optimal design.
GUANG YOU SCREW
Guangyou has been innovating, maintaining professionalism, and staying focused for more than 30 years.
FAQ
1. How about the MOQ:
1 piece is available.
2. What is the lead time?
Lead time varies depending on size and bimetallic status.
40–50 days for nitriding single screw and barrel (Φ20–Φ90)
50–60 days for nitriding single screw and barrel (Φ90–Φ180)
60-70 days for nitriding single-screw and barrel assemblies (Φ180–Φ250).
Over 70 days for nitriding single screw and barrel (Φ250–Φ500).
45–50 days for nitriding parallel twin-screw and barrel assemblies (Φ45–Φ90).
50–60 days for nitriding parallel twin-screw and barrel assemblies (Φ90–Φ135).
Over 60 days for nitriding parallel twin-screw and barrel assemblies (Φ135–Φ350).
35-45 days for nitrided conical twin screw and barrel (Φ25/50–Φ80/156).
50–60 days for nitrided conical twin screw and barrel (Φ92/188–Φ110/220).
Over 60 days for nitriding conical twin-screw and barrel assemblies (Φ115/230–Φ185/340).
Bimetallic screw and barrel require an additional 5 days.
3. What is the lifespan of the screw and barrel?
Lifespan varies depending on the formula and heat treatment. For 30 phr nitriding, expect 3–5 years.
Bimetallic screws and barrels have an extended lifespan.
4. How to submit an inquiry?
Feel free to contact us via email or WhatsApp. Visiting our factory is recommended.
5. How can we ensure your quality?
We partner with numerous extruder and screw & barrel manufacturers in Europe and Asia—each recognized as a National "Little Giant" and Zhejiang's "Hidden Champion"—enabling us to turn every component into a competitive production advantage.
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