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As a leading manufacturer from Hebei Speed Torque Transmission Technology Co., Ltd., we are proud to introduce our High Precision Telescopic Universal Couplings — engineered for demanding industrial transmission applications where flexibility, reliability, and accuracy are critical. These flexible industrial transmission joints are designed to accommodate angular misalignment, axial displacement, and torsional vibration while maintaining high torque capacity. With our ISO9001-certified production facility spanning 3,000–5,000 square meters and over 100 skilled professionals, we deliver couplings that meet the highest standards of precision and durability.
Our telescopic universal couplings are widely used in steel rolling mills, printing machinery, packaging equipment, and other heavy-duty industrial drivelines. The unique sliding spline or keyway design allows smooth axial movement even under high loads, reducing stress on connected components and extending equipment life. Whether you need a standard model or a fully customized solution, we offer flexible options to match your exact requirements.
Key Features & Technical Advantages
- High Precision Machining: CNC-balanced components ensure minimal vibration and smooth operation even at high rotational speeds (up to 3000 RPM).
- Telescopic Design: Axial displacement capability up to 200 mm (customizable) compensates for thermal expansion and installation tolerances.
- Universal Joint Action: Double or single Cardan joints allow angular misalignment up to 15° per joint, reducing bending moments on shafts.
- Robust Material Selection: Manufactured from high-strength alloy steel or stainless steel (304/316) with hardened bearing surfaces for extended service life.
- Maintenance-Friendly: Grease-lubricated bearings and sealed covers simplify routine maintenance; optional automatic lubrication systems available.
- Customizable Configurations: Flange, keyway, spline, or clamp-type connections; different bore sizes, lengths, and torque ratings upon request.
Technical Specifications (Typical Range)
| Parameter | Value / Range |
|---|---|
| Nominal Torque Range | 500 Nm – 50,000 Nm (customizable) |
| Maximum Speed | Up to 3000 RPM (dependent on size and balance grade) |
| Angular Misalignment | Up to 15° per joint (max 30° total with double joint) |
| Axial Travel | 50 mm – 200 mm (custom up to 500 mm on request) |
| Operating Temperature | -40°C to +150°C (special seals for higher temperatures) |
| Balance Grade | G6.3 standard (G2.5 optional) |
| Material Options | Alloy steel (40Cr, 42CrMo) or stainless steel (304, 316) |
Benefits for Your Application
- Reduced Downtime: The telescopic feature eliminates the need for precise alignment during installation and compensates for thermal expansion, reducing maintenance intervals.
- Enhanced Machine Protection: Flexible universal joints absorb shock loads and torsional vibrations, protecting expensive gearboxes and motors from damage.
- Space-Saving Design: Compared to gear couplings, telescopic universal joints offer more compact axial length while providing higher misalignment capability.
- Versatile Mounting: Available with various connection types (flange, keyway, spline) to fit existing shaft configurations without modification.
- Long Service Life: Hardened and ground bearing surfaces, combined with premium grease seals, deliver thousands of hours of reliable operation.
Why Choose Hebei Speed Torque?
Established in 2017, Hebei Speed Torque Transmission Technology Co., Ltd. has grown into a trusted partner for global industrial clients. With an annual export value exceeding US$5 million and a dedicated team of 101–200 employees, we serve markets across North America, Europe, Asia, Africa, and Oceania. Our factory, certified under ISO9001:2015, operates advanced CNC machining centers and balancing machines to ensure every coupling meets rigorous quality standards. We ship from major Chinese ports (Shanghai, Tianjin, Qingdao) with lead times typically 30–45 days for standard sizes.
Our engineers provide free technical consultation for custom designs — simply share your shaft dimensions, torque requirements, and misalignment angles. We offer prototypes and small batch production with fast turnaround. With years of experience in heavy machinery, steel plants, and renewable energy sectors, we have supplied high-precision couplings to over 1000 satisfied customers worldwide.
Contact us today for a competitive quotation and discover how our telescopic universal couplings can optimize your driveline performance. We look forward to being your reliable transmission partner.
Frequently Asked Questions
-
What is the maximum angular misalignment these couplings can handle?
Our standard designs allow up to 15° per joint. For double universal joint assemblies, total misalignment can reach 30°. Custom designs with higher angles are possible — please consult our technical team. -
Can the telescopic section be customized for longer axial travel?
Yes, the axial displacement can be customized from 50 mm up to 500 mm depending on the shaft diameter and torque load. Additional length may require a reinforced spline design. -
Are these couplings suitable for high-speed applications?
Absolutely. When balanced to G2.5 grade, our couplings can operate at speeds up to 3000 RPM. For higher speeds, we recommend dynamic balancing and special bearing arrangements (available upon request). -
What materials are available for corrosive environments?
We offer stainless steel versions (AISI 304 or 316) with appropriate seals and lubricants for marine, chemical, or food processing environments. Contact us with your specific exposure conditions. -
Do you provide bore machining and keyway cutting?
Yes, we can machine bores to your exact shaft diameter (metric or imperial) and cut keyways, splines, or flats. Please specify your requirements when ordering. -
What is the typical lead time for a custom coupling?
For standard sizes without customization, we ship within 30 days. Custom designs typically take 40–60 days depending on complexity and current production load. -
Can I get a sample before bulk order?
Yes, we accept sample orders for evaluation. Sample cost and shipping are negotiable and can be deducted from the final large order. -
How do I select the correct coupling size for my application?
You need to provide: rated torque, shaft diameters, speed, misalignment angles, and axial travel. Our engineering team can recommend the optimal model and provide a detailed datasheet.
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