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Help CenterHigh Torque Forged Steel Heavy Duty Telescopic Cardan Shaft Metallurgical Rolling Mill Transmission
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Hebei Speed Torque Transmission Technology Co., Ltd., established in 2017 and located in Cangzhou, Hebei, China, is a professional manufacturer specializing in high-performance power transmission components. With a factory size of 3,000–5,000 square meters and a dedicated team of 101–200 employees, we have been serving global customers for over 6 years. Our High Torque Forged Steel Heavy Duty Telescopic Cardan Shaft is engineered specifically for the demanding environments of metallurgical rolling mills, where reliability and durability are paramount. This product combines advanced forging technology, precision machining, and rigorous quality control to deliver exceptional torque transmission and long service life.
The cardan shaft is designed to handle extreme loads and misalignments typically found in rolling mill drives. Its telescopic feature allows for axial compensation, reducing stress on connected equipment. Made from high-grade forged alloy steel (such as 40Cr or 42CrMo), each shaft undergoes heat treatment to ensure superior strength and wear resistance. Whether you need a standard configuration or a custom design, our engineering team can tailor the shaft to your exact specifications.
Key Features & Technical Specifications
High Torque Capacity: Capable of transmitting up to 500,000 Nm, suitable for heavy-duty rolling mill applications.
Forged Steel Construction: Utilizes drop-forged alloy steel components for maximum strength and fatigue resistance.
Telescopic Design: Provides axial compensation (stroke up to 2000 mm) to accommodate thermal expansion and installation tolerances.
Precision Balancing: Dynamic balancing (G6.3 or higher) ensures smooth operation at high speeds, reducing vibration and noise.
Sealed Lubrication System: Optional grease or oil bath lubrication extends bearing life under harsh conditions.
Customizable Flange or Spline Connections: Compatible with various rolling mill interfaces (e.g., DIN, ISO, or customer-specific standards).
Surface Protection: Anti-corrosion coating or phosphating for extended service in humid or dusty environments.
ISO9001:2015 Certified: Our manufacturing processes are audited to ensure consistent quality.
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Shaft Diameter | 50–500 mm | Up to 800 mm |
| Maximum Torque | 50,000 – 500,000 Nm | Higher upon request |
| Telescopic Stroke | 100 – 2000 mm | Up to 3000 mm |
| Operating Speed | Up to 3000 rpm | Depending on length |
| Material Grade | 40Cr / 42CrMo | Other alloys available |
| Balancing Grade | G6.3 | G2.5 optional |
Our heavy-duty telescopic cardan shafts are widely used in metallurgical rolling mills for driving roughing mills, finishing mills, and continuous casting machines. They are also suitable for other heavy industries such as mining, paper mills, and marine propulsion where reliable torque transmission under misalignment is critical.
Benefits to Your Operations
Reduced Downtime: The robust forged steel construction and sealed lubrication minimize maintenance requirements and unplanned stops.
Improved Efficiency: High torque capacity and low backlash ensure precise power transmission, enhancing overall mill productivity.
Flexibility: Telescopic design compensates for thermal expansion and misalignment, protecting both the shaft and connected equipment from damage.
Long Service Life: Through heat treatment and surface hardening, our shafts withstand repeated cyclic loads and harsh environments.
Global Compatibility: Available with a variety of flange/spline standards to match rolling mill equipment from different manufacturers.
Why Choose Hebei Speed Torque?
Hebei Speed Torque Transmission Technology Co., Ltd. has been a trusted supplier of power transmission solutions since 2017. Our factory spans 3,000–5,000 square meters and employs over 100 skilled workers. We export to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and many other regions, with an annual export value of US$5–10 million. Our products are ISO9001:2015 certified, ensuring consistent quality from raw material inspection to final assembly. We ship from Port of Shanghai, Port of Tianjin, and Port of Qingdao, providing flexible logistics to customers worldwide.
Each cardan shaft undergoes rigorous testing, including torque testing, dynamic balancing, and dimensional inspection, before leaving our factory. We offer a 12-month warranty against manufacturing defects and provide technical support throughout the product lifecycle. Whether you need a standard design or a fully customized solution, our experienced engineering team is ready to assist.
Contact us today to discuss your specific requirements. Our team will provide a competitive quotation, detailed drawings, and fast delivery. Let Hebei Speed Torque be your reliable partner in rolling mill transmission.
Frequently Asked Questions (FAQ)
Q: What is the maximum torque your cardan shaft can handle?
A: Our standard range covers up to 500,000 Nm. For higher torque requirements, we can design custom shafts using larger diameters and specialized materials.Q: Can you provide shafts with non-standard flange dimensions?
A: Yes, we offer fully customizable flange and spline connections based on your drawings or specifications. Please provide the required dimensions and tolerance.Q: How long is the telescopic stroke, and can it be adjusted?
A: Standard stroke ranges from 100 mm to 2000 mm. Longer strokes up to 3000 mm are available upon request. The telescopic section is designed to maintain full torque capacity throughout the stroke.Q: What lubrication do you recommend for rolling mill applications?
A: For most rolling mill environments, we recommend grease lubrication with a high-temperature, water-resistant grease. Oil bath lubrication is also available for high-speed applications.Q: Do you provide dynamic balancing for the shafts?
A: Yes, all shafts are dynamically balanced to G6.3 grade as standard. For higher precision, G2.5 balancing is optional.Q: What is the typical lead time for a custom cardan shaft?
A: Lead time depends on complexity and quantity. Standard designs can be shipped within 30–45 days; custom designs typically require 45–60 days. We offer expedited services for urgent orders.Q: How do you ensure the quality of the forged steel?
A: We source raw materials from certified steel mills and perform chemical composition analysis and mechanical testing on each batch. Our ISO9001 system ensures traceability and quality control throughout production.Q: Can you ship to my country via sea or air?
A: Yes, we ship from major Chinese ports (Shanghai, Tianjin, Qingdao) via sea freight. Air freight is also available for smaller or urgent orders. We can arrange door-to-door delivery with our logistics partners.
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