Description
The HZPT SWC-BH Standard Flex Welding Type Universal Coupling is optimized for secure torque delivery in robust heavy-duty applications such as rolling mills, cranes, and mining operations. Its welded yoke configuration includes gyration diameters between 180 mm and 620 mm, enabling the standard flex universal coupling to handle angular misalignments up to 15 degrees and torque loads as high as 1250 kN·m, ensuring reliable functionality under harsh conditions. Built using durable 35CrMo steel and accurate needle bearings, this coupling excels as a universal solution for heavy machinery and as a welded universal coupling for various industrial uses. Complying with ISO 9001 certification in its Chinese production facilities, HZPT offers this sturdy universal coupling with tailored features at competitive pricing.

Product Specification

| No. | Gyration diameter D mm | Nominal torque Tn KN·m | Axes fold angle β (°) | Weary torque Tf KN·m | Size (mm) | Rotating inertia kg.m2 | Weight (kg) | |||||||||||
| Lmin | D1 (js11) | D2 (H7) | D3 | Lm | n-d | k | t | b (h9) | g | Lmin | Increase 100mm | Lmin | Increase 100mm | |||||
| SWC100WH | 100 | 1.25 | 0.63 | 25° | 243 | 84 | 57 | 60 | 55 | 6-9 | 7 | 2.5 | – | – | 0.0039 | 0.00019 | 4.5 | 0.35 |
| SWC120WH | 120 | 2.5 | 1.25 | 25° | 307 | 102 | 75 | 70 | 65 | 8-11 | 8 | 2.5 | – | – | 0.0096 | 0.00044 | 7.7 | 0.55 |
| SWC150WH | 150 | 5 | 25 | 25° | 350 | 130 | 90 | 89 | 80 | 8-13 | 10 | 3 | – | – | 0.371 | 0.00157 | 18 | 24.5 |
| SWC180WH | 180 | 12.5 | 6.3 | 25° | 180 | 155 | 105 | 114 | 110 | 8-17 | 17 | 5 | – | – | 0.15 | 0.007 | 48 | 2.8 |
| SWC225WH | 225 | 40 | 20 | 15° | 520 | 196 | 135 | 152 | 120 | 8-17 | 20 | 5 | 32 | 9 | 0.365 | 0.0234 | 78 | 4.9 |
| SWC250WH | 250 | 63 | 31.5 | 15° | 620 | 218 | 150 | 168 | 140 | 8-19 | 25 | 6 | 40 | 12.5 | 0.817 | 0.0277 | 124 | 5.3 |
| SWC285WH | 285 | 90 | 45 | 15° | 720 | 245 | 170 | 194 | 160 | 8-21 | 27 | 7 | 40 | 15 | 1.756 | 0.051 | 185 | 6.3 |
| SWC315WH | 315 | 125 | 63 | 15° | 805 | 280 | 185 | 219 | 219 | 10-23 | 32 | 8 | 40 | 15 | 2.893 | 0.0795 | 262 | 8 |
| SWC350WH | 350 | 180 | 90 | 15° | 875 | 310 | 210 | 267 | 194 | 10-23 | 35 | 8 | 50 | 16 | 5.013 | 0.2219 | 374 | 15 |
| SWC390WH | 390 | 250 | 125 | 15° | 955 | 345 | 235 | 267 | 215 | 10-25 | 40 | 8 | 70 | 18 | 8.406 | 0.2219 | 506 | 15 |
| SWC440WH | 440 | 355 | 180 | 15° | 1155 | 390 | 255 | 325 | 260 | 16-28 | 42 | 10 | 80 | 20 | 15.79 | 0.4744 | 790 | 21.7 |
| SWC490WH | 490 | 500 | 250 | 15° | 1205 | 435 | 275 | 325 | 270 | 16-31 | 47 | 12 | 90 | 22.5 | 26.54 | 0.4744 | 1014 | 21.7 |
| SWC550WH | 550 | 710 | 355 | 15° | 1355 | 492 | 320 | 426 | 325 | 16-31 | 50 | 12 | 100 | 22.5 | 48.32 | 1.357 | 1526 | 34 |
Advantages of SWC-WH Without Flex Welding Type Universal Coupling
The SWC-WH Without Flex Welding Type Universal Coupling presents several advantages, positioning it as an optimal selection for effective torque transmission across diverse mechanical configurations. This advanced universal joint coupling performs exceptionally in scenarios requiring elevated accuracy and straightforward assembly, delivering dependable functionality devoid of the intricacies inherent in welding procedures.
A primary benefit lies in its improved assembly adaptability. In contrast to welded alternatives, the SWC-WH variant enables bolted installation, streamlining incorporation into pre-existing arrangements and substantially curtailing setup duration. Functioning as a multifaceted universal joint coupling for high-torque demands, it permits expeditious disassembly during upkeep, thereby reducing operational interruptions in industrial contexts.
Robustness and extended operational lifespan are critical attributes of the SWC-WH architecture. Fabricated from superior-strength alloys, this universal joint coupling for industrial equipment endures considerable stresses and oscillations, guaranteeing unwavering performance amid rigorous operational demands. The omission of welding mitigates prospective vulnerabilities, including weld-related degradation, thus prolonging the unit’s durability.
Regarding compensation for misalignments, the SWC-WH affords exceptional tolerance for angular, axial, and radial variances. This capability renders it a suitable universal joint coupling for drive shafts within automotive and transit infrastructures, where sustaining exact alignment during use can prove challenging.
Economic viability constitutes an additional noteworthy merit. By circumventing welding necessities, the SWC-WH diminishes expenditures on labor and resources, furnishing a cost-efficient alternative without diminishing standards. It operates proficiently as a universal joint coupling for marine propulsion mechanisms, yielding resilient outcomes in erosive settings while maintaining fiscal prudence.
In the domain of renewable energy, the SWC-WH distinguishes itself as a steadfast universal joint coupling for sustainable apparatus, facilitating proficient energy conveyance with negligible dissipation. Its reduced-mass design additionally bolsters systemic efficacy, aligning with principles of environmentally responsible engineering.
HZPT is dedicated to supplying premier offerings such as the SWC-WH Without Flex Welding Type Universal Coupling, adapted to fulfill your precise prerequisites. Our proficiency assures provision of a component refined for superior execution and dependability. We invite engagement with our specialists to explore how this coupling may augment your operational capabilities.

Work Principle of SWC-WH Without Flex Welding Type Universal Coupling
The SWC-WH Without Flex Welding Type Universal Coupling relies on the essential tenets of cardan joint dynamics to enable proficient torque transfer between shafts that are not coaxially aligned, while accommodating angular offsets. Serving as a specialized SWC cardan shaft universal joint coupling, it integrates a cruciform intermediate part to support uninterrupted rotational energy delivery, making it an indispensable high-torque universal joint coupling in intensive operations like rolling mills and hoisting systems.
At the heart of its functionality, the system includes two yoked forks interconnected by a central cross or spider assembly, allowing for multi-planar pivoting. This configuration ensures even torque propagation despite shaft deviations up to a 25° axis fold angle, in accordance with its primary parameters: gyration diameters from φ58 to φ620 and nominal torque ranging from 0.15 to 1000 kN·m. As a robust heavy-duty universal joint coupling for rolling mill activities, the SWC-WH converts rotational input into seamless output, compensating for alignments through autonomously articulating joints.
The configuration without flexible welding bolsters reliability by using bolted or clamped linkages rather than welded joints, minimizing points of potential weakness and streamlining assembly. This industrial universal joint coupling incorporates an optimized fork head design that prevents bolt loosening, augmenting overall integrity by 30%-50% and improving load-handling in challenging conditions, such as those in mining or construction equipment, where it functions as a sturdy SWC universal joint shaft coupling.
With transmission efficiency attaining 98.6%, precise craftsmanship minimizes friction and energy loss, designating it as an efficient universal joint coupling for large-scale power conveyance in powerful industrial structures. The operation’s smoothness and reduced noise levels—typically 30-40 dB(A)—arise from balanced kinetics and shock absorption, rendering it a low-noise universal joint coupling apt for noise-restricted areas, alongside energy-conserving traits that curtail operational expenditures.
In systems involving heavy machinery universal joint couplings, the SWC-WH delivers stable results under heavy burdens by uniformly distributing stresses across components, thereby preventing faults and extending operational lifespan. HZPT engineers the SWC-WH to offer premium capabilities adapted to your specifications, whether for resilient heavy machinery or specific industrial uses. Please reach out to our experts for personalized approaches that maximize your system’s effectiveness and durability.

About HZPT
HZPT stands as a prominent manufacturer and pioneer in mechanical transmission components, with a specialization in high-performance couplings tailored for rigorous industrial uses. Emphasizing engineering superiority, HZPT supplies dependable products, including the universal joint coupling for high-torque scenarios, which guarantees uninterrupted power delivery in demanding heavy-duty settings.
Founded on principles of superior quality and exactness, HZPT has earned acclaim for crafting resilient items that adhere to global benchmarks, such as ISO accreditations. Our proficiency encompasses the creation of universal joint couplings for industrial machinery, aiding streamlined processes in industries like manufacturing, construction, and mining, where strength and alignment correction are crucial.
HZPT places a strong emphasis on personalization to fulfill unique customer demands, presenting bespoke universal joint couplings for drive shafts that improve automotive and transport infrastructures through exceptional torque management and reduced upkeep needs. Our offerings also feature dedicated variants, such as the universal joint coupling for marine propulsion systems, designed to endure corrosive oceanic environments while upholding elevated transmission productivity.
In addition, HZPT advances eco-friendly endeavors via our universal joint coupling for renewable energy apparatus, promoting efficient energy conveyance in wind turbines and solar arrays. Employing state-of-the-art materials and innovative engineering methodologies, we assure that our couplings deliver enduring dependability and economic value.
Supported by a committed cadre of engineers and a cutting-edge manufacturing infrastructure, HZPT persists in broadening its international footprint, furnishing clients with holistic assistance spanning from conceptual design to post-purchase maintenance. Select HZPT for forward-thinking solutions that propel operational achievement. For consultations or specialized needs, kindly reach out to our professionals promptly.



