1. What are Barrel Couplings TNK?
Barrel Couplings TNK are couplings for cranes. The shaft and housing are made of high-quality materials. The integrated inner ring in the housing allows for quick and easy assembly with an extremely compact coupling design. This type combines construction according to the operating table of German Steel Iron Industry SEB 666212 for rope drum hinge joints.
Ringfeder Barrel Couplings stands out with the TNK TKVO Couplings. They transmit the torque positively via steel barrel rollers, which are fitted into a circular trough and thus ensure that the radial force transmission occurs safely. The outer cover has a special lip seal that prevents foreign objects from entering and leakage of lubricant.
2. Features of Barrel Couplings
Barrel Couplings are trusted in heavy-duty applications such as cranes, material handling thanks to the following highlights:
- By using high-strength materials for both the shaft and the housing, the transmission capacity of Barrel Couplings can be significantly increased compared to previous types of couplings.
- The curved shape of the barrel rollers allows the Ringfeder TNK shaft to oscillate relative to the housing, thus compensating for angular misalignments. Depending on the coupling size, axial displacements of 3 to 8 mm (0.118 to 0.315 inches) can be accommodated during operation.
- They transmit torque via steel barrel rollers, which are mounted in a circular trough and thus ensure that the transmission of radial forces occurs safely.
- In crane lifting and lowering equipment, the TNK coupling features a robust structure that meets the required standards with cable drums. - The coupling assembly is simplified due to the integrated inner ring, and a wear indicator is included to monitor the status, ensuring timely maintenance.
3. Applications of Barrel Couplings in Industries
3.1. Crane & Hoists
Barrel Couplings TNK are a special barrel coupling solution for lifting applications. Barrel couplings are often used in cable drum drives of lifting equipment, winches or storage and retrieval machines, with high elasticity as the connecting component between the motor and the output. Ringfeder TNK is suitable for this application thanks to its characteristics: high torque transmission, high load capacity and compact design for space-saving installation
3.2. Mining Industry
Applications in the mining sector, above ground or underground such as bucket excavators, impact crushers, tunneling and clearing machines and material handling systems with extremely harsh conditions. Ringfeder TNK is a coupling designed by Ringfeder for these applications with the goal of maximum performance. These machines require a machine that meets the requirements of performance and stability, helping to minimize downtime
3.3. Material Handling
For industrial material handling applications that require an uninterrupted flow of goods, Barrel Couplings are the first choice, designed with consistent torque transmission, low maintenance requirements and high adaptability to different configurations. In this field, Ringfeder TNK is used in automated conveyor systems for partial goods (e.g. billets, boxes, packages, pallets) or bulk materials (e.g. iron ore, coal, sand).
4. Barrel Couplings TNK TKVO by Ringfeder
Ringfeder’s TNK TKVO series represents the latest innovation in Barrel Couplings technology. Designed specifically for rope drum applications in cranes and hoists, these couplings offer:
High torsional stiffness for precise motion control.
Axial and angular misalignment compensation for operational efficiency.
Robust steel rollers to optimize torque transmission.
With 18 different sizes, Technical Specifications of TNK TKVO Couplings
- Bore diameter d1 up to 440 mm (17.323 in)
- Outside diameter D up to 850 mm (33.465 in)
- Transmission torque T Kmax up to 815,000 Nm (601,113.11 ft·lb)
- Maximum radial load F up to 490,000 N (110,118.68 lb)
Ringfeder TNK TKVO couplings are designed according to the German Steel Iron Industry SEB 666212 operating standard for rope drum hinges. With an integrated inner ring and compact design, installation is simple and quick. In addition, the wear indicator helps monitor operating conditions and plan maintenance effectively.
5. Dai Hong Phat Corp - Reliable Barrel Couplings Supplier in Vietnam:
Dai Hong Phat Corp is an Authorized Distributor of Ringfeder Germany in Vietnam and Asia country. If you are looking for a reputable supplier of Barrel Couplings, Dai Hong Phat Corp is the top choice for crane and hoists applications, with more than 15 years of experience in the transmission field. What are the benefits of buying couplings at Dai Hong Phat?
– Dai Hong Phat Corp is the official distributor of Ringfeder in Vietnam.
– Genuine imported products from Ringfeder Germany, clear CO/CQ documents
– Dai Hong Phat Corp takes “quality” as its business and customer service goal.
– Dai Hong Phat Corp commits that all products are 100% genuine, 100% new quality, with certificates and clear origins.
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Contact Dai Hong Phat Corp today to learn more!!
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