Description
The SWP-A Long Flex Type Universal Joint Coupling represents a high-performance, extendable cardan shaft optimized for scenarios demanding consistent torque transmission between shafts that are misaligned or separated by significant distances. Incorporating a split bearing mechanism and dual flange setup, this coupling supports axial displacement and angular offsets of up to 10 degrees, rendering it suitable for rigorous sectors including metallurgy, mining, petroleum, shipbuilding, and papermaking equipment. Its sturdy build, comprising premium steel yokes, resilient cross assemblies, and abrasion-resistant bearings, guarantees outstanding longevity and fluid functionality in challenging operational environments. The telescopic architecture of the SWP-A enables length adjustment, simplifying assembly and upkeep while preserving substantial torque handling and reduced oscillation. Suited for intricate propulsion systems, this coupling offers dependable, sustained efficiency with limited servicing requirements.

SWP-A Long Flex Type Universal Joint Coupling Dimensions:


| Type | Tactical diameter D m | Nominal torque Tn kN·m | Fatigue torque Tf kN·m | Axis angle β (°) | Stretch length S mm | Size(mm) | Rotary inertia kg·m2 | Mass kg | |||||||||||
| Lmin | D1 js11 | D2 H7 | D3 | E | E1 | B×h | h1 | L1 | n-d | Lmin | Increase 100 | Lmin | Increase 100 | ||||||
| SWP160A | 160 | 16 | 8 | ≤10 | 50 | 660 | 140 | 95 | 114 | 15 | 4 | 20×12 | 6 | 85 | 6-13 | 0.13 | 0.0059 | 47 | 2.1 |
| SWP180A | 180 | 20 | 10 | ≤10 | 60 | 752 | 155 | 105 | 121 | 15 | 4 | 24×14 | 7 | 95 | 6-15 | 0.22 | 0.0072 | 60 | 2.3 |
| SWP200A | 200 | 31.5 | 16 | ≤10 | 70 | 823 | 175 | 125 | 17 | 17 | 5 | 28×16 | 8 | 110 | 8-15 | 0.37 | 0.0114 | 81 | 3.4 |
| SWP225A | 225 | 40 | 20 | ≤10 | 76 | 933 | 196 | 135 | 152 | 20 | 5 | 32×18 | 9 | 130 | 8-17 | 0.63 | 0.0290 | 109 | 6.6 |
| SWP250A | 250 | 63 | 31.5 | ≤10 | 80 | 978 | 218 | 150 | 168 | 25 | 5 | 40×25 | 12.5 | 135 | 8-19 | 1.02 | 0.0407 | 147 | 7.3 |
| SWP285A | 285 | 90 | 45 | ≤10 | 100 | 1133 | 245 | 170 | 194 | 27 | 7 | 40×30 | 15 | 150 | 8-21 | 2.17 | 0.0702 | 241 | 9.4 |
| SWP315A | 315 | 140 | 63 | ≤10 | 110 | 1250 | 280 | 185 | 219 | 32 | 7 | 40×30 | 15 | 170 | 10-23 | 3.86 | 0.1144 | 322 | 12.0 |
| SWP350A | 350 | 180 | 90 | ≤10 | 120 | 1380 | 310 | 210 | 245 | 35 | 8 | 50×32 | 16 | 185 | 10-23 | 6.66 | 0.1663 | 428 | 13.6 |
| SWP390A | 390 | 250 | 112 | ≤10 | 120 | 1495 | 345 | 235 | 273 | 40 | 8 | 70×36 | 18 | 205 | 10-25 | 11.53 | 0.2695 | 566 | 18.0 |
| SWP435A | 435 | 355 | 160 | ≤10 | 150 | 1710 | 385 | 255 | 299 | 42 | 10 | 80×40 | 20 | 235 | 16-28 | 21.81 | 0.3645 | 932 | 20.0 |
| SWP480A | 480 | 450 | 224 | ≤10 | 170 | 1910 | 425 | 275 | 351 | 47 | 12 | 90×45 | 22.5 | 265 | 16-31 | 38.04 | 0.7028 | 1294 | 28.0 |
| SWP550A | 550 | 710 | 315 | ≤10 | 190 | 2135 | 492 | 320 | 402 | 50 | 12 | 100×45 | 22.5 | 290 | 16-31 | 61.28 | 1.1842 | 1744 | 35.7 |
| SWP600A | 600 | 1000 | 500 | ≤10 | 210 | 3580 | 544 | 380 | 450 | 55 | 15 | 90×55 | 27.5 | 360 | 22-34 | 98.63 | 1.7159 | 2330 | 40.5 |
| SWP640A | 640 | 1250 | 630 | ≤10 | 230 | 2685 | 575 | 385 | 480 | 60 | 15 | 100×60 | 30 | 385 | 18-38 | 167.67 | 2.3080 | 3153 | 48.3 |
Note: marking examples: gyrate ion diameter D=315mm, installment length L=1800mm, A type long flex universal coupling.
SWP315A x 1800 coupling
Features of SWP-A Long Flex Type Universal Joint Coupling
The SWP-A Long Flex Type Universal Joint Coupling constitutes a superior, multifaceted coupling crafted to satisfy the exigencies of intensive industrial operations. Optimized for secure torque delivery and operational pliability, it adeptly accommodates intricate shaft offsets and longitudinal motions. Outlined below are the principal characteristics that render the SWP-A a preferred solution for domains such as metallurgy, mining, petroleum, shipbuilding, and additional sectors:
Telescopic Length Compensation:Equipped with an extendable design, the SWP-A coupling allows for modifiable length accommodation. This supports efficient setup and offsets axial variations among interconnected shafts, proving advantageous in configurations where shaft orientations are subject to regular alterations or realignments.
High Angular Misalignment Capability:With capacity to tolerate angular deviations up to 10 degrees for models A through F, the SWP-A facilitates reliable performance in arrangements involving non-coaxial shafts. This resilience alleviates pressure on interconnected parts and extends the durability of the overall assembly.
Robust Construction for Heavy-Duty Applications:Utilizing top-tier materials including steel and bronze, the SWP-A is constructed to resist substantial torque burdens and severe working conditions. Its sturdy composition assures dependable execution in arduous scenarios, encompassing rolling mills, crushers, and paper production apparatus.
Split Bearing Support for Easy Maintenance:The SWP-A employs a bifurcated bearing support system, which expedites bearing renewal and servicing tasks. The partitioned cross-shaft bearing enclosure curtails operational pauses by permitting prompt entry to replaceable elements without substantial deconstruction.
Flexible Component for Shock and Vibration Absorption:The coupling includes a compliant feature that mitigates shocks and tremors, positioning it as an excellent fit for uses with pronounced dynamics or fluctuating forces, such as construction tools, farming implements, and nautical propulsion mechanisms.
High Torque Transmission:Configured to manage extensive torque ranges (from 16 kN·m to 1250 kN·m according to the specification), the SWP-A enables proficient power relay across shafts, aiding advanced machinery in areas like steel fabrication and effluent treatment.
Versatile Connection Options:The SWP-A furnishes diverse fastening approaches, such as keyway or bolted mechanisms, granting interoperability with assorted shaft designs and firm torque propagation.
Wide Range of Applications:Conceived for extensive utility, the SWP-A caters to numerous industries, including metallurgy, elevation tasks, engineering conveyance, mining, petroleum, maritime building, coal handling, rubber processing, and paper fabrication. Its flexibility fulfills varied operational prerequisites.

Application of Universal Coupling
Universal couplings, commonly designated as universal joints or Cardan joints, function as mechanical apparatuses that convey torque and rotational motion between shafts lacking precise alignment. Their flexibility and tolerance for misalignment establish them as indispensable in a broad spectrum of industries and uses. Detailed below are primary applications of universal couplings:
- Automotive Industry
Universal couplings find broad implementation in vehicle drivetrains, notably in rear-wheel-drive and all-wheel-drive models. They bridge the transmission and differential, supporting uninterrupted power flow amid angular discrepancies from suspension shifts or terrain variations. This setup enhances torque efficiency and overall vehicular functionality. - Industrial Machinery
In industrial operations, universal couplings are utilized in devices like conveyors, pumps, and compressors. They enable power relay between offset shafts in intensive heavy-duty contexts, diminishing wear on elements and augmenting process effectiveness. Their endurance renders them apt for ongoing deployment in manufacturing environments. - Aerospace and Aviation
Universal couplings are essential in aerospace contexts, applied in control apparatuses and engine parts. They permit meticulous motion conveyance in restricted spaces, compensating for misalignment in elaborate setups such as aviation control devices or helicopter rotor assemblies, thus securing operational safety and consistency. - Agricultural Equipment
Within agricultural tools, such as tractors and harvesting machines, universal couplings are key to power take-off (PTO) arrangements. They support energy transfer from the engine to accessories like cutters or tillers, even across irregular landscapes, offering robustness and adaptability. - Marine Applications
Universal couplings are deployed in nautical propulsion frameworks to couple engines with propellers. They mitigate shaft misalignment arising from structural flex or oscillations, ensuring streamlined and effective power transmission in marine craft, including boats and ships. - Robotics and Automation
In robotics, universal couplings are integrated into articulated limbs and automated platforms to achieve accurate movement oversight. Their capability to address angular offsets allows robots to undertake sophisticated activities with exactness, making them crucial in domains like production, supply chain management, and healthcare automation.
Universal couplings are vital in frameworks necessitating trustworthy, pliable, and proficient torque transmission. Their aptitude for conforming to demanding surroundings and misalignment affirms their ongoing importance in modern engineering endeavors.
