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Single screw extruder screw


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

光友螺杆

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.

光友螺杆

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

 

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–Ø300mm (Clamping: 100-35,000 kN)

Wear-resistant alloys

Rubber Processing

Ø20 – Ø650 mm

Cold-feed/pin-type variants

Materials

 

 

38CrMoAl1.8509

D2

AISI316

34CrAlNi71.8550

DC53

AISI420

31CrMoV9 (1.8519)

Gr12MoV

9Cr18MoV

40CrNiMo

440C

17PH-4

42CrMo

AISI304

Incoel 718 

40Cr

S600

Hasteloy C-276

C45

1.2316

Incoel 625

SKD11

1.4462

Monel 400

SKD61

1.4404

Monel 500

 

1.4122

 

       

Type

Hardness (HRC)

Primary Composition

Use

technology

GY83

51-52

Ni-Based 35%WC 

 Screw

PTA welding

GY83-1

48-49

Ni-Based 20%WC 

GY56

56-57

Ni-Based 22%Cr     

GY55

56-57

Ni-Based 19%Cr

GY60

57-58

Ni-Based 21%Cr

GM001

59-60

Ni-Based 15%WC 

Stellite 6

37-43

Ni-Based 29%Cr  

Stellite 1

52-55

Ni-Based 31%Cr  

Stellite 12

40-50

Ni-Based 30%Cr  

GY108

57-60

Fe-Based 12%Ni

Barrel

 

GY107

55-58

Fe-Based 12%Ni

GY105

58-61

Fe-Based 12%Ni

GY300

56-60

Ni-Based 15%WC    

GY301

56-60

Ni-Based 25%WC 

GY303

56-60

Ni-Based 35%WC 

GY310

56-60

Ni-Based 10%WC 

 

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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