Description
The SWP-B Short Flex Type Universal Joint Coupling represents a high-performance, streamlined coupling tailored for intensive industrial uses. It incorporates an integrated fork head design to enable dependable torque transmission and manage angular misalignments of up to 10 degrees. Boasting a tactical diameter spanning 160 mm to 640 mm and a nominal torque range from 16 kN·m to 1250 kN·m, the SWP-B excels in rigorous settings, including metallurgy, mining, petroleum, shipbuilding, and papermaking equipment. Fabricated from premium steel and bronze, its sturdy build promotes longevity and extended operational life, with the compact form enhancing spatial optimization while upholding superior functionality. The SWP-B coupling achieves elevated transmission efficiency (up to 98.6%) and fluid performance, establishing it as a reliable option for shaft linkages in heavy equipment, characterized by low vibration and utmost dependability.

SWP-B Short Flex Type Universal Joint Coupling Dimensions:

| Type | Tactical diameter D mm | Nominal torque Tn kN·m | Fatique torque Tf kN·m | Axis angle β (°) | Stretch length S mm | Size(mm) | Rotary inertia kg·m2 | Mass kg | |||||||||
| L | D1 js11 | D2 H7 | D3 | E | E1 | B×h | h1 | L1 | n-d | ||||||||
| SWP160B | 160 | 16 | 8 | ≤10 | 50 | 585 | 140 | 95 | 114 | 15 | 4 | 20×12 | 6 | 85 | 6-13 | 0.14 | 44 |
| SWP180B | 180 | 20 | 10 | ≤10 | 60 | 640 | 155 | 105 | 121 | 15 | 4 | 24×14 | 7 | 95 | 6-15 | 0.23 | 54 |
| SWP200B | 200 | 31.5 | 16 | ≤10 | 70 | 730 | 175 | 125 | 17 | 17 | 5 | 28×16 | 8 | 110 | 8-15 | 0.36 | 75 |
| SWP225B | 225 | 40 | 20 | ≤10 | 76 | 830 | 196 | 135 | 152 | 20 | 5 | 32×18 | 9 | 130 | 8-17 | 0.61 | 108 |
| SWP250B | 250 | 63 | 31.5 | ≤10 | 80 | 860 | 218 | 150 | 168 | 25 | 5 | 40×25 | 12.5 | 135 | 8-19 | 0.98 | 138 |
| SWP285B | 285 | 90 | 45 | ≤10 | 100 | 1000 | 245 | 170 | 194 | 27 | 7 | 40×30 | 15 | 150 | 8-21 | 2.12 | 229 |
| SWP315B | 315 | 140 | 63 | ≤10 | 110 | 1120 | 280 | 185 | 219 | 32 | 7 | 40×30 | 15 | 170 | 10-23 | 3.80 | 309 |
| SWP350B | 350 | 180 | 90 | ≤10 | 120 | 1230 | 310 | 210 | 245 | 35 | 8 | 50×32 | 16 | 185 | 10-23 | 6.60 | 408 |
| SWP390B | 390 | 250 | 112 | ≤10 | 120 | 1310 | 345 | 235 | 273 | 40 | 8 | 70×36 | 18 | 205 | 10-25 | 10.50 | 539 |
| SWP435B | 435 | 355 | 160 | ≤10 | 150 | 1555 | 385 | 255 | 299 | 42 | 10 | 80×40 | 20 | 235 | 16-28 | 22.39 | 903 |
| SWP480B | 480 | 450 | 224 | ≤10 | 170 | 1740 | 425 | 275 | 351 | 47 | 12 | 90×45 | 22.5 | 265 | 16-31 | 38.21 | 1243 |
| SWP550B | 550 | 710 | 315 | ≤10 | 190 | 1905 | 492 | 320 | 402 | 50 | 12 | 100×45 | 22.5 | 290 | 16-31 | 61.00 | 1643 |
| SWP600B | 600 | 1000 | 500 | ≤10 | 210 | 2600 | 544 | 380 | 450 | 55 | 15 | 90×55 | 27.5 | 360 | 22-34 | 99.13 | 2335 |
| SWP640B | 640 | 1250 | 630 | ≤10 | 230 | 2780 | 575 | 385 | 480 | 60 | 15 | 100×60 | 30 | 385 | 18-38 | 170.21 | 2720 |
* Note: marking examples: gyration diameter D=315mm, installment length=1120 mm, B type short flex universal coupling.
SWP315B x 1120 coupling
Features of SWP-B Short Flex Type Universal Joint Coupling
The SWP-B Short Flex Type Universal Joint Coupling serves as a durable and efficient component optimized for heavy-duty industrial applications. Recognized for its streamlined configuration and substantial torque handling, it is particularly suitable for settings that demand dependable power transmission within constrained spaces. The following outlines the principal features that position the SWP-B coupling as a favored option in sectors such as metallurgy, mining, and heavy machinery:
Compact Short-Type Design
The SWP-B coupling is specifically engineered for installations with restricted space, featuring a reduced length relative to conventional universal joint couplings. This concise structure allows for effortless incorporation into confined mechanical assemblies while preserving operational effectiveness.
High Torque Capacity
Capable of managing nominal torque values ranging from 16 kN·m to 1250 kN·m, the SWP-B is constructed to endure considerable torque demands, rendering it appropriate for rigorous operations in heavy industries, including steel manufacturing, elevation systems, and engineering conveyance.
Flexible Angular Compensation
This coupling supports angular misalignments of up to 10 degrees, enabling the connection of shafts that are not in precise alignment. Such adaptability promotes uninterrupted functionality in dynamic conditions where shaft orientations may fluctuate.
Telescopic Short Structure
The SWP-B includes a telescopic short design that affords limited length adjustment to mitigate axial shifts. This attribute proves especially beneficial in mechanisms experiencing minor shaft variations during use, thereby improving resilience and mitigating component wear.
Durable Material Construction
Fabricated from high-strength materials, including steel and bronze, the SWP-B coupling exhibits outstanding durability and resistance to severe operational environments. Its sturdy composition ensures sustained reliability in scenarios characterized by elevated vibrations or impact forces.
Keyway or Bolt Connection
The SWP-B accommodates secure fastening techniques, such as keyways or bolts, offering installation versatility and a firm linkage between shafts. This characteristic streamlines assembly procedures and maintenance activities.
High-Speed Capability
With a maximum rotational speed reaching 4000 RPM, the SWP-B is tailored for applications involving rapid revolutions, delivering stable performance without detriment to operational steadiness.
Vibration and Shock Absorption
The flexible element within the SWP-B coupling effectively dampens shocks and vibrations, making it well-suited for equipment involving substantial dynamics, such as construction tools or agricultural devices. This capability reduces strain on interconnected elements and prolongs the system’s service life.
Wide Industry Applications
The SWP-B coupling finds extensive utility in heavy machinery sectors, encompassing metallurgy, mining, petroleum, shipbuilding, coal processing, rubber production, and papermaking, owing to its proficiency in addressing intricate operational challenges and sustaining performance under pressure.
These attributes render the SWP-B Short Flex Type Universal Joint Coupling a multifaceted and dependable selection for industrial contexts necessitating compact, high-efficacy power transmission mechanisms.

Universal Coupling for Rolling Mill
Universal couplings, commonly designated as universal joints or Cardan shafts, constitute pivotal components within rolling mills, supporting proficient power relay across shafts with misalignment. These couplings address angular and axial discrepancies, ensuring fluid performance under high torque and demanding loads prevalent in rolling mill operations.
Key Features
High Torque Capacity: Constructed to manage the formidable stresses in rolling mills, delivering consistent functionality during ongoing processes.
Misalignment Compensation: Facilitates angular and axial variations, diminishing wear on associated apparatus.
Durability: Manufactured using high-strength substances like alloy steel, conferring resistance to exhaustion and challenging industrial settings.
Low Maintenance: Optimized for prolonged service duration with nominal upkeep, curtailing downtime in rolling mill functions.
Applications in Rolling Mills
Universal couplings are employed in hot and cold rolling mills to interconnect drive assemblies with rollers, promoting precise torque propagation. They are indispensable in:
- Steel and aluminum rolling operations
- Robust industrial drive systems
- Perpetual casting and rolling methodologies
Benefits
Augmented Efficiency: Refines power conveyance, elevating mill productivity.
Mitigated Vibration: Reduces vibrational impacts during operation, extending equipment longevity.
Customizability: Accessible in multiple scales and arrangements to fulfill targeted rolling mill demands.
To achieve optimal rolling mill efficiency, opting for the suitable universal coupling secures operational steadfastness and effectiveness. Please contact us for bespoke solutions designed to address your rolling mill necessities.

About HZPT
HZPT emerges as a prominent international manufacturer and supplier of superior couplings, distinguished by its strong foothold in both local and global markets. Committed to unwavering excellence, HZPT offers a broad array of high-caliber coupling solutions customized to address the varied requirements of sectors including metallurgy, mining, shipbuilding, paper manufacturing, heavy machinery, and additional fields. Our expansive product lineup features 29 distinct series and more than 580 specific models, presenting a comprehensive assortment that encompasses serpentine spring couplings, spacer couplings, universal couplings, star-shaped elastic couplings, tire couplings, drum-type gear couplings, servo motor couplings, sprocket chain couplings, rigid couplings, flexible sleeve pin couplings, flexible pin couplings, HRC couplings, and numerous others.
HZPT takes great pride in delivering bespoke solutions that precisely fulfill client specifications. Our capabilities include the design, substitution, and fabrication of non-standard and imported couplings, guaranteeing effortless incorporation into specialized systems. Backed by extensive industry expertise and a proficient cadre of engineers and technicians, HZPT utilizes cutting-edge precision engineering and rigorous quality assurance protocols to produce items that reliably adhere to elevated benchmarks of performance and dependability. Our committed sales and technical assistance personnel collaborate intimately with clients to furnish sophisticated transmission and conveyance technology services, thereby optimizing equipment operations and elevating efficiency.
Guided by a client-focused ethos, HZPT pursues a vision of providing exemplary quality, outstanding service, and reciprocal collaborations. We remain devoted to advancing innovation, perpetually enhancing our offerings and methodologies to lead the sector. HZPT extends a cordial invitation to international clients to explore our advanced facilities, pursue joint ventures, and witness our unwavering commitment to quality and progress.



