Descrizione
The SWC-CH Long Flex Welding Type Universal Coupling, manufactured by HZPT, is designed to facilitate power transmission between shafts with misalignment in heavy-duty machinery, including rolling mills and industrial drive systems. This long flex universal coupling supports angular misalignments of up to 25 degrees, incorporating high-strength 35CrMo steel to ensure resilience under rigorous operational demands. The welded construction promotes sturdy torque conveyance, rendering it suitable for universal couplings in heavy machinery and flexible shaft couplings in industrial contexts. HZPT’s production facilities in China, adhering to ISO 9001 standards, produce this resilient universal coupling with opportunities for customization at economical rates.

Product Specification

| No. | Gyration diameter D mm | Nominal torque Tn KN·m | Axes fold angle β (°) | Weary torque Tf KN·m | Flex quantity Ls mm | 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 | ||||||
| SWC180CH1 | 180 | 12.5 | ≤25 | 6.3 | 200 | 925 | 155 | 105 | 114 | 110 | 8-17 | 17 | 5 | – | – | 0.181 | 0.0070 | 74 | 2.8 |
| SWC180CH2 | 700 | 1425 | 0.216 | 104 | |||||||||||||||
| SWC225CH1 | 225 | 40 | ≤15 | 20 | 220 | 1020 | 196 | 135 | 152 | 120 | 20 | 32 | 9 | 0.561 | 0.0234 | 132 | 4.9 | ||
| SWC225CH2 | 700 | 1500 | 0.674 | 182 | |||||||||||||||
| SWC250CH1 | 250 | 63 | 31.5 | 300 | 1215 | 218 | 150 | 168 | 140 | 8-19 | 25 | 6 | 40 | 12.5 | 1.016 | 0.0277 | 190 | 5.3 | |
| SWC250CH2 | 700 | 1615 | 1.127 | 235 | |||||||||||||||
| SWC285CH1 | 285 | 90 | 45 | 400 | 1475 | 245 | 170 | 194 | 160 | 8-21 | 27 | 7 | 15 | 2.156 | 0.0510 | 300 | 6.3 | ||
| SWC285CH2 | 800 | 1875 | 2.360 | 358 | |||||||||||||||
| SWC315CH1 | 315 | 125 | 63 | 400 | 1600 | 280 | 185 | 219 | 180 | 10-23 | 32 | 8 | 3.812 | 0.0795 | 434 | 8.0 | |||
| SWC315CH2 | 800 | 2000 | 4.150 | 514 | |||||||||||||||
| SWC350CH1 | 350 | 180 | 90 | 400 | 1715 | 310 | 210 | 267 | 194 | 35 | 50 | 16 | 7.663 | 0.2219 | 672 | 15.0 | |||
| SWC350CH2 | 800 | 2115 | 8.551 | 823 | |||||||||||||||
| SWC390CH1 | 390 | 250 | 125 | 400 | 1845 | 345 | 235 | 267 | 215 | 10-25 | 40 | 70 | 18 | 12.730 | 817 | ||||
| SWC390CH2 | 800 | 2245 | 13.617 | 964 | |||||||||||||||
| SWC440CH1 | 440 | 355 | 180 | 400 | 2110 | 390 | 255 | 325 | 260 | 16-28 | 42 | 10 | 80 | 20 | 22.540 | 0.4744 | 1312 | 21.7 | |
| SWC440CH2 | 800 | 2510 | 24.430 | 1537 | |||||||||||||||
| SWC490CH1 | 490 | 500 | 250 | 400 | 2220 | 435 | 275 | 325 | 270 | 16-31 | 47 | 12 | 90 | 22.5 | 33.970 | 1554 | |||
| SWC490CH2 | 800 | 2620 | 35.870 | 1770 | |||||||||||||||
| SWC550CH1 | 550 | 710 | 355 | 500 | 2585 | 492 | 320 | 426 | 305 | 16-31 | 50 | 100 | 72.790 | 1.3570 | 2585 | 34.0 | |||
| SWC550CH2 | 1000 | 3085 | 79.570 | 3045 | |||||||||||||||
* 1. Tf-under the alternation load the torque which permits according to the fatigue strength.
* 2. Lmin-the least length after the cut.
* 3. L-install length, which is according to the requirement.
Scope of Application for SWC Universal Joint Coupling
The SWC universal joint coupling, commonly identified as the SWC cardan shaft universal joint coupling, serves as a vital element in intensive industrial operations, encompassing rolling mills, lifting machinery, and various sturdy heavy machinery configurations. This high-torque universal joint coupling effectively bridges two transmission shafts possessing offset axes, supporting seamless power delivery amid challenging working conditions.
Essential parameters include:
- Gyration diameter: φ58 – φ620
- Nominal torque: 0.15 – 1000 kN·m
- Axis fold angle: ≤25°
This item is especially fitting for situations requiring a sturdy heavy-duty universal joint coupling for rolling mill activities or a robust SWC universal joint shaft coupling in elevation and material transport mechanisms, where it exhibits remarkable capability in preserving operational steadiness during severe loading scenarios.
Structural Features of SWC Universal Joint Coupling
The SWC universal joint coupling employs innovative engineering principles to provide superior performance and sustained durability within industrial frameworks. Outlined below are its principal structural elements:
- Reasonable and Safe Configuration: Utilizing an integrated fork head design, this industrial universal joint coupling alleviates dangers linked to bolt loosening or rupture, consequently boosting overall fortitude by 30%-50%. Such a setup ensures safe and dependable performance, outlasting traditional variants and circumventing frequent malfunctions in high-tension environments, including heavy machinery universal joint coupling setups.
- Enhanced Load-Bearing Capacity: Built to endure significant weights, the SWC heavy-duty universal joint coupling is indispensable in contexts that necessitate elevated load handling, such as mining or construction equipment.
- High Transmission Efficiency: Attaining up to 98.6% efficiency, this efficient universal joint coupling for large-scale power transmission substantially diminishes energy consumption and costs, positioning it as an exemplary choice for energy-conserving universal joint coupling solutions in potent industrial transmission systems.
- Smooth and Low-Noise Operation: Delivering consistent transmission accompanied by noise levels generally at 30-40 dB(A), the low-noise universal joint coupling guarantees hushed functionality, ideal for noise-conscious industrial sites while maintaining stringent reliability criteria.

Application of SWC-CH Long Flex Welding Type Universal Coupling
The SWC-CH long flex welding type universal joint coupling, a standout product from HZPT as part of the EVER-POWER Group, is carefully crafted for stable power transmission where shaft alignment issues arise. Functioning as a high-torque universal joint coupling, it thrives in uniting two transmission shafts with misaligned axes, guaranteeing smooth functionality in rigorous heavy-duty applications. It finds extensive use in rolling mills, lifting machinery, and diverse industrial heavy equipment across the United States, with this resilient SWC cardan shaft universal joint coupling accommodating angular misalignments up to 25° and sustaining high levels of efficiency.
Within U.S. industrial sectors, such as Midwest steel fabrication or Texas extraction activities, the SWC-CH industrial universal joint coupling facilitates consistent torque conveyance under considerable pressures. Notably, in rolling mills— a core application for the SWC-CH heavy-duty universal joint coupling in areas like Chicago—it mitigates shaft variances stemming from heat-induced expansion or wear, capable of cutting downtime by up to 40%. Its elongated flex structure enables ample axial accommodation, ideal for arrangements extending beyond 30 meters, evident in crane handling operations or vessel drives at Florida seaports.
Exceeding mere linkage, this efficient universal joint coupling for substantial power transmission in New York building projects attains 98.6% transmission efficiency, curbing energy waste and power-related outlays in demanding high-output contexts. Operating at a low noise level of 30-40 dB(A), it conforms to American workplace safety guidelines, proving advantageous for quiet-demanding venues like paper production plants in California. From crushers in Texas petroleum fields to aligners in Pennsylvania factories, the SWC-CH low-noise universal joint coupling offers reliable execution, evading typical challenges such as bolt instability in standard couplings.
Spanning disciplines from metalworking to hydrocarbon processing, this energy-saving universal joint coupling adapts to over 80 varied implementations, optimized with region-specific long-tail keywords for enhanced discoverability. For example, in logistical engineering through the Rocky Mountains, it reinforces substantial loads via its welded framework, boosting overall durability by 30%-50%. Such flexibility designates the SWC-CH as an essential resource for American heavy machinery specialists aiming for robustness and prolonged operational viability.
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Why Choose HZPT
HZPT excels within the universal joint coupling market, leveraging decades of specialized knowledge in transmission components. The SWC-CH industrial universal joint coupling from our lineup employs exclusive welding methodologies, eradicating structural vulnerabilities and enhancing longevity relative to standard alternatives. From our manufacturing bases in China, we export to American clientele with bespoke adaptations, including stainless steel constructions for harsh corrosive conditions in Florida maritime facilities. Essential strengths include cost-effective pricing, swift prototyping cycles of 1-3 weeks, and advanced load-bearing performance optimized for demanding SWC heavy-duty universal joint coupling applications.
We provide elite after-sales services, featuring continuous 24/7 technical aid, a one-year warranty, and expert on-site installation support for U.S. clients. Our partnerships extend to top-tier organizations in the United States’ steel and mining sectors. This reliability is rooted in our commitment to superior standards, as reflected in our shipments to European and American markets, ensuring seamless operational continuity with minimal interruptions.







