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Help CenterSWC Series Flange Universal Joint Coupling Hardened Cross Shaft Heavy Duty Transmission
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Hebei Speed Torque Transmission Technology Co., Ltd. proudly presents the SWC Series Flange Universal Joint Coupling with a hardened cross shaft, designed for the most demanding heavy-duty transmission applications. Since our establishment in 2017, we have focused on engineering reliable, high-performance couplings backed by our ISO9001-certified quality management system. With a factory spanning 3,000–5,000 square meters and an annual export value of US$5–10 million, we deliver products that meet global standards. This coupling combines robust construction, precise manufacturing, and superior durability to ensure smooth power transmission under extreme loads.
Our SWC series features a flange-type connection that simplifies installation and maintenance, while the hardened cross shaft significantly extends service life by resisting wear and fatigue. Whether used in steel mills, mining equipment, or marine drives, this coupling offers exceptional angular flexibility and torque capacity. Below we detail its key characteristics.
Key Features & Benefits
- Hardened Cross Shaft: Heat-treated alloy steel for maximum wear resistance and longevity.
- Flange Design: Easy bolt-on mounting reduces downtime and simplifies alignment.
- Heavy-Duty Capacity: Handles high torque and shock loads essential for industrial machinery.
- Angular Misalignment Compensation: Allows up to 15° of angular deflection, protecting connected equipment from stress.
- Low Maintenance: Grease-lubricated bearings require minimal servicing.
- ISO9001 Certified: Manufactured under strict quality control standards.
Technical Specifications (Typical Range)
| Parameter | Value |
| Rated Torque | 500 – 50,000 Nm (customizable) |
| Maximum Angle | 15° |
| Shaft Diameter Range | 20 – 200 mm (available upon request) |
| Material | Alloy Steel (20CrMnTi, 40Cr, etc.) |
| Lubrication | Grease (standard) or oil |
| Operating Temperature | -20°C to +80°C |
The SWC series is engineered to excel in harsh environments such as rolling mills, conveyors, and pumps. Its hardened cross shaft distributes stress evenly, reducing the risk of premature failure. Additionally, the flange coupling can be customized with different bolt patterns and lengths to match your existing equipment, offering flexibility without compromising strength.
Choosing our coupling means investing in reliability. Every unit undergoes rigorous testing for torque capacity, balance, and dimensional accuracy. We use advanced CNC machining and heat treatment processes to ensure consistent quality batch after batch.
Trust & Credibility
With over 100 skilled employees and a production space of 3,000–5,000 m², Hebei Speed Torque has the capacity to fulfill large orders promptly. Our products are exported to North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and more, serving industries that demand uncompromised performance. Our ISO9001 certification reflects our commitment to continuous improvement. We also offer flexible shipping options via Port of Shanghai, Tianjin, or Qingdao.
Whether you need a standard SWC coupling or a fully customized solution, our team is ready to assist. The hardened cross shaft and flange design are proven to reduce maintenance costs and increase uptime in heavy-duty applications. Contact us today for a quotation or technical consultation.
Frequently Asked Questions (FAQ)
-
What is the typical lifespan of the SWC series coupling?
With proper lubrication and within rated loads, the hardened cross shaft ensures a service life of 5–10 years under normal industrial conditions. -
Can the coupling be customized for non-standard flange dimensions?
Yes, we can machine custom bolt patterns, shaft diameters, and overall lengths. Please provide your drawing or specifications. -
Does the coupling require regular maintenance?
Minimal maintenance is needed – periodic greasing every 3–6 months is sufficient. Bearings are sealed to prevent contamination. -
What is the maximum torque rating for a typical SWC225 model?
The SWC225 can handle up to 22,500 Nm. Other sizes are available; please refer to our catalog or contact us. -
Can this coupling be used in vertical shaft applications?
Yes, but we recommend special lubrication provisions. Our engineering team can advise the best configuration. -
What is the lead time for a standard order?
Standard sizes are typically shipped within 15–25 working days after order confirmation. Custom orders may take longer. -
Do you provide samples for testing?
Yes, sample orders are welcome. Please contact our sales team to discuss terms. -
Is the coupling suitable for high-speed applications?
The SWC series is designed for moderate speeds up to 1000 RPM. For higher speeds, consider our Cardan shaft series. Consult us for specific requirements.
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