Joiner Machinery Co., Ltd.
| Payment Terms | T/T, L/C |
| Supply Ability | 500 pieces per years |
| Delivery Time | 120 days after order confirmed |
| Packaging Details | Wooden box |
| Materials | WR12/WR15A/WR15E |
| Type of extrusion | Double screw |
| Place of Original | China |
| Accuracy | High |
| Surface finish | Ra 0.8 |
| Strength | High |
| Condition | New |
| Warranty | 6 months |
| Standard | GB/ DIN etc. |
| Support | Video technical meeting |
| Brand Name | Joiner |
| Model Number | As request |
| Certification | ISO9001 2015 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 500 pieces per years |
| Delivery Time | 120 days after order confirmed | Packaging Details | Wooden box |
| Materials | WR12/WR15A/WR15E | Type of extrusion | Double screw |
| Place of Original | China | Accuracy | High |
| Surface finish | Ra 0.8 | Strength | High |
| Condition | New | Warranty | 6 months |
| Standard | GB/ DIN etc. | Support | Video technical meeting |
| Brand Name | Joiner | Model Number | As request |
| Certification | ISO9001 2015 | Place of Origin | China |
| High Light | Ra 0.8 Finish Cold Rolling Shaft ，HRC42 Cold Rolling Shaft ，High Strength Cold Rolling Shaft | ||
High Torque High Strength High Precision High Finish Twin Screw Extruder Shaft
With the development of the twin screw extruder towards high speed and high torque, the strength (especially the thermal strength) and precision of the twin screw extruder shaft are required higher. Through extensive research, the material we use Germany imported pre-hard alloy tool steel and the splines are formed with Europe imported CNC spline cold rolling processing equipment. After customer trial, products fully meet the performance and quality requirements of similar high-end products imported from abroad.
1. Shaft Range
Diameter: 35-200mm
Lenth: 500-14000mm
2. The advantages of cold rolling shaft compared with the traditional milling shaft
Using advanced cold rolling technology to replace the traditional milling to process splines is a qualitative leap in spline processing technology. It not only improves the processing accuracy and surface finish, but also greatly improves the mechanical properties of parts. After cold rolling, the strength of spline is much higher and reasonable fiber streamline distribution inside the parts can form compressive stress on the surface of parts and improve fatigue strength.
Through the test, the torque force of the shaft processed by this technology is increased by 25 ~ 30%, and the accuracy is increased by 2 levels, reaching the national standard of 6 levels. In addition, reasonable cold rolling process can form compressive stress on the surface and improve the fatigue strength.
3. The torque of spline shaft:
4. Material choice of shaft:
| Imported Material | WR Material | Domestic Material |
| 1.Made in Germany 2.Made in Janpan | WR6 WR12 WR8 WR9 WR15A WR15E WR10 WR30 | 40CrNiMo (a kind of alloy constructional steel). |
5. Types of shaft:
Single keyway
Square keyslot
High torque key button
Dual keyslot
Involute inner spline
Round keyslot rectangle spline
Client requirements available
6. Equipment:
8. Packing: we use wooden box to pack all the shafts
a. Rust-proof oil processing,
b. Oiled paper packages,
c. Bubble wrap package,
d. Special foam packaging,
e. Packing,
f. Sealing.
9. Our service:
24-hour Hotline
No matter when and where to call we can find our service to you.
Pre-sales Consultation
Whether you have any question can be solved through online communication.
Welcome your consultation.
After-sales Services
Having any questions about the products, please contact with us and we will help you deal with them the first time to your satisfaction.
10. products we produce
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2007
Total Annual:
55,000,000-90,000,000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Joiner Machinery Co.,Ltd is a professional enterprise of spare parts for twin screw extruder: Barrel & Screw Element & Shaft & Side Feeder. It occupies 15600 square meters with over 100 staffs and more than140 sets of advanced processing equipments in our... Joiner Machinery Co.,Ltd is a professional enterprise of spare parts for twin screw extruder: Barrel & Screw Element & Shaft & Side Feeder. It occupies 15600 square meters with over 100 staffs and more than140 sets of advanced processing equipments in our...
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