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Hebei Speed Torque Transmission Technology Co., Ltd., established in 2017 with a factory spanning 3,000–5,000 square meters and a dedicated team of 101–200 employees, presents our High Precision Universal Joint Coupling Double Cardan Joint. Engineered for applications demanding exceptional angular misalignment compensation and zero-backlash transmission, this double cardan joint ensures smooth, reliable power transfer even in the most challenging industrial environments. Our annual export value of US$5–10 million to global markets including North America, Europe, and Asia reflects the trust placed in our manufacturing excellence.
Key Features & Technical Advantages
- Double Cardan Design: Two universal joints combined with a centering yoke provide constant velocity (CV) operation, eliminating speed fluctuations and vibration in high-speed applications.
- High Precision Machining: CNC-machined components with tolerances down to ±0.01 mm ensure minimal backlash and extended service life.
- Superior Load Capacity: Forged alloy steel construction with heat-treated bearing races handles heavy radial and axial loads without deformation.
- Flexible Configuration: Available in single, double, and telescopic versions; bore sizes, keyways, and overall length can be customized per customer drawing.
- Low Maintenance: Pre-lubricated with high-temperature grease and sealed covers reduce the need for frequent re-lubrication in dusty or wet conditions.
- Wide Temperature Range: Operates reliably from -40°C to +120°C, suitable for both cold storage and high-heat production lines.
Technical Specifications (Standard Model)
| Parameter | Value |
|---|---|
| Bore Diameter Range | 10 mm – 100 mm (custom up to 150 mm) |
| Maximum Angle per Joint | Single 25° / Double 45° |
| Torque Rating | 100 Nm – 5,000 Nm (higher available on request) |
| Material Grade | 40Cr / 42CrMo / 304 Stainless Steel |
| Surface Hardness | HRC 55–62 (bearing surfaces) |
| Weight (Typical) | 0.5 kg – 25 kg per unit |
Application Scenarios
- Packaging Machinery: Transfers torque reliably in high-speed, multi-axis wrapping machines.
- Printing & Paper Processing: Maintains alignment accuracy in roller drives and web handling systems.
- Robotics & Automation: Provides compact, zero-backlash motion for robotic arm joints and gantry systems.
- Automotive Test Benches: Handles high-speed reversals and dynamic loads in driveline testing equipment.
- Steel & Metal Processing: Withstands shock loads and high temperatures in continuous casting and rolling mill drives.
Why Choose Hebei Speed Torque Transmission?
Our factory operates under a strict ISO 9001:2015 quality management system, ensuring every double cardan joint undergoes 100% dimensional and functional testing before shipment. With a 3000–5000 m² production facility, advanced CNC equipment, and an experienced R&D team, we deliver products that meet or exceed international standards. We ship via Shanghai, Tianjin, or Qingdao ports with lead times typically within 15–30 working days for standard models. Our after-sales support includes free technical consultation and replacement warranty for manufacturing defects. Whether you need a standard coupling or a fully customized solution, we are ready to collaborate. Contact us today to discuss your specific requirements and request a quote.
Frequently Asked Questions (FAQ)
Q1: What materials are available for the double cardan joint?
A: Standard material is 40Cr alloy steel. For corrosion resistance, 304 or 316 stainless steel is available. Custom materials can be supplied upon request.
Q2: How long is the typical service life under normal conditions?
A: With proper lubrication and operation within rated parameters, the joint can outlast the connected machine components. We have customers reporting over 10,000 hours of continuous use without replacement.
Q3: Can I get a double cardan joint with a telescopic (slip) section?
A: Yes, telescopic double cardan joints are available for applications requiring axial length adjustment. Please provide your stroke length and maximum extension.
Q4: What is the maximum angular misalignment allowed?
A: For double cardan configuration, the total included angle can reach up to 45°. For single joint, it's 25°. Exceeding these values may reduce lifespan.
Q5: Do you offer maintenance-free or sealed versions?
A: Absolutely. Our sealed, pre-lubricated series uses high-viscosity grease and nitrile rubber seals. For extreme environments, we recommend periodic relubrication every 500 hours.
Q6: What is your minimum order quantity (MOQ)?
A: MOQ is generally 10 pieces for standard sizes. For custom designs, MOQ can be negotiated based on complexity. We also accept small trial orders.
Q7: How do I ensure the correct bore size and keyway specification?
A: Please provide your shaft diameter and keyway dimensions (width, depth, length). If you have a drawing, we can match exactly. Alternatively, we offer standard US, metric, and JIS keyway options.
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