Heavy Duty Cardan Shaft

The Heavy Duty Cardan Shaft is a reinforced product in Zhejiang Haineng Transmission Machinery's universal shaft series designed for high-power, high-torque, heavy-load applications. The product features oversized cross shaft bearings, thickened shaft tubes, and reinforced yoke designs for significantly enhanced load capacity. It is suitable for demanding conditions including metallurgical rolling mills, mining crushers, large conveyors, marine propulsion systems, and heavy engineering machinery. The design life and reliability requirements of this shaft far exceed those of standard industrial universal shafts, making it a critical connection component in heavy industrial transmission systems.

The yokes are machined from large forgings on CNC machining centers, with large-diameter, deep bearing bores requiring high boring accuracy. Cross shafts are manufactured from special high-load-capacity alloy steel, with journals deep-ground and super-finished, paired with custom large-size needle or cylindrical roller bearings. Shaft tubes are fabricated from heavy-wall seamless steel pipe, with yokes welded and stress-relief annealed to eliminate residual welding stress, followed by dynamic balancing. The company utilizes large CNC machining equipment and rigorous process inspection systems to ensure machining accuracy and assembly quality of all critical components, with all welds inspected by non-destructive testing.

Flange interfaces can be customized to customer equipment requirements, with spline telescopic sections designed to accommodate axial displacement under high torque transmission. The product operates in heavy dust and heavy-load environments such as mining and metallurgy, with seals optimized to prevent dust and moisture ingress to cross shaft bearings. Regular inspection of cross shaft bearing clearance and spline wear, with lubrication replenishment at recommended intervals, significantly extends service life. The reliability and maintenance convenience of this shaft have been validated through long-term applications across multiple heavy industries.

When ordering this shaft, customers need to provide transmission power, speed, torque, flange interface dimensions, and telescopic travel requirements. The company issues detailed design proposals and assembly drawings. The minimum order quantity is 10 pieces, with delivery timelines for large products determined by design and production schedules. The company supports third-party inspections and offers a one-year warranty from shipment. Payment terms are 30% deposit with balance cleared before shipment, supporting EXW and FOB trade terms.

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