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Single Bimetal Screw Barrel for Plastic Machinery
Single Bimetal Screw Barrel for Plastic Machinery
**Model No.:** 90mm
**Automation:** Automatic
**Computerized:** Computerized
**Plastic Processed:** PVC
**Base Material:** 38CrMoAlA, 42CrMo
**Diameter for Single Screw:** 20–500mm
**Screw Design:** Single Screw
**Application:** PP, PVC, PE
**Certificate:** CE, BV, SGS, TUV
**Trademark:** PYM
**Specification:** CE, SGS, BV, TUV
**Origin:** Wenzhou, Zhejiang
**HS Code:** 847790000
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The **single bimetal screw barrel** is designed specifically for use in plastic extrusion machinery. It offers high performance and durability, making it ideal for a wide range of industrial applications.
### Key Advantages of the Screw Barrel:
- **Advanced Nitriding Technology**: Ensures superior surface hardness and wear resistance.
- **Anti-Corrosion and Wear-Resisting Duplex Metal Spraying Technology**: Enhances the longevity of the barrel under harsh conditions.
- **Custom Alloy Application**: Special alloy powders are sprayed and welded onto the screw’s ridge, with different alloys and welding methods used depending on the screw's function.
- **High-Quality Raw Materials**: Ensures consistent performance and reliability.
### Certifications:
Our products are certified by **BV, SGS, CE, and TUV**, ensuring compliance with international quality standards.
### Why Choose Us?
- **Long-Time Experience**: Established since 1988, we have extensive industry expertise.
- **In-House Nitriding Treatment**: We perform deep nitriding treatment for up to 7 days and nights, ensuring maximum hardness and durability.
- **Advanced Manufacturing Equipment**: Equipped with **Fanuc series CNC milling machines**, **18-meter deep hole drilling machines**, and other advanced tools.
- **CAD Drawing Confirmation**: Ensures precision before production begins.
- **Prompt After-Sales Service**: Dedicated support to ensure customer satisfaction.
- **Strong Financial Backing**: Registered capital of 25 million RMB.
### Packaging Options:
1. Wooden case packaging
2. Plastic film packaging
3. Suitable for transportation
4. Custom packaging as per buyer’s request
5. Each unit packaged separately
### Payment Methods:
We accept **T/T, Western Union, MoneyGram**, and other secure payment options.
### FAQ:
**Q: What are we?**
A: We are a factory with our own import and export license.
**Q: How to get to us?**
A: The nearest airport is **Wenzhou Airport**, and the nearest train station is **Ruian Station**.
**Q: How do you ensure the quality of the screw barrel?**
A: Our professional engineers and staff check every detail from raw materials, nitriding treatment, to super grinding. We perform crucial nitriding treatment ourselves using ovens that can handle parts up to 8 meters long, ensuring excellent hardness and product life.
### Company Profile:
Zhejiang Pinbo Plastic Machinery Co., Ltd. is located in Ruian, Wenzhou City, under the brand **PYM** (formerly Ruian Yumin Machine Screw Co., Ltd. since 1988). The company specializes in manufacturing **screw barrels, gearbox ZLYJ series, T-die, filters, and extruder machines**. We are one of the largest suppliers of main components in Ruian, known as the "base of plastic machines."
Our facility includes multiple **computer-controlled CNC milling machines** with lengths up to 8,000 mm, as well as an **18,000 mm deep-hole drilling machine**. We also provide **nitriding, hard chrome plating, and high-frequency quenching** treatments. Our products have passed assessments by **SGS, Bureau Veritas, TUV, and CE**.
We welcome any inquiries about our products and appreciate your comments or suggestions. For more details, feel free to contact us. Thank you very much!
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| Product | The best single screw barrel for extruder in Ruian |
|--------|--------------------------------------------------|
| Material | 38 CrMoAlA (JIS SACM645), 42 CrMo (JIS SCM440) |
| Hardness of Nitrogen Treatment | HV 900° ~ 1100° |
| Tempering Hardness | HB 240° ~ 280° |
| Depth of Nitrogen Layer | 0.6 ~ 0.8 mm |
| Nitrided Brittleness | Above 1 stage |
| Surface Roughness | Ra 0.4 μm |
| Screw Straightness | 0.015 mm |
| Hardness of Surface Chromium-Plating after Nitriding | HV ≥ 950HV |
| Chromium Plating Depth | 0.025 - 0.085 mm |
| Alloy Depth | 2.5 mm - 4 mm |
| Alloy Hardness | HRC 62° ~ 72° |
| Heating-Treatment | Nitriding, Electroplated Hard-Chrome Finish, High Frequency Quenching |