The UL Type Tyre Coupling is a flexible transmission component characterized by high compensation and high damping capabilities, utilizing a rubber tire body as its core elastic element. It is also a highly versatile shock-absorbing coupling widely used in industrial transmission systems. Through a vulcanization bonding process, the rubber elastomer and metal pressure plates are permanently bonded into a single unit. The complete assembly is installed directly via bolt connections; its overall structure is simple, making assembly and disassembly quick and convenient.
1. Plastic components(tyres) and metal plates made into a whole by sulfurating and felting. Connecting the 2 half-couplings directly by bolts when installing.
2. Flexibility, large damping, large compensation dosage.
3. Simple designing, easy for assembling and disassembling. The tyres can be replaced without moving 2 half-coupling.
4. Disadvantage, large axial power will be brought on the driven end as the rotate angle increasing.
The UL Type Tyre Coupling boasts super high elasticity and excellent buffering and vibration damping performance. With low torsional stiffness and outstanding shock absorption capacity, it can effectively isolate impact and vibration and protect precision equipment such as motors and reducers.
It provides all-round misalignment compensation, being able to adaptively compensate axial, radial and angular displacement at the same time. It has low requirements for shaft alignment and is suitable for working conditions with large installation deviation.
Adopting rubber elastic elements, it is lubrication-free and maintenance-free. The coupling is easy to assemble and disassemble, and the tyre body can be replaced without moving the main machine.
Featuring a simple structure with fewer components, it allows fast installation and operates quietly without metal collision, realizing extremely low running noise.
Meanwhile, it is well adaptable to harsh environments, resistant to moisture, dust and oil contamination. The applicable working temperature ranges from -20℃ to 80℃, perfectly suitable for dusty, humid and other severe working scenarios.
Notes: 1. According 《Modes and sizes of coupling hole and keyway》 of GB/T3852-1997, the hole diameter with can be modified to J type.
2. It is max calculating approximate value of weight and rotate inertia of all type couplings.
1.Frequent start-up and frequent forward-reverse rotation: crushers, ball mills, conveyors.
2.Heavy vibration and impact conditions: vibrating screens, mixers, pumps and fans.
3.Harsh working environments: mining, metallurgy, cement, chemical industry and port machinery.
4.Low noise requirement occasions: precision equipment, papermaking machinery and printing machinery.
As a professional UL Type Tyre Coupling manufacturer, we adopt exquisite factory production with full-process quality control covering raw material selection, precision machining and factory inspection.Non-standard customization is available. With direct factory supply, we deliver stable product quality and guaranteed delivery time.
Q1: How does the structural principle of the UL Type Tyre Coupling differ from that of standard elastic couplings?
A: The UL Type Tyre Coupling employs an integral vulcanized structure, wherein the rubber tire body and metal pressure plates are fused into a single unit through high-temperature vulcanization. Power transmission is achieved through the flexible deformation of the rubber body itself. Compared to conventional couplings—such as jaw or diaphragm couplings—it offers a higher damping coefficient and greater capacity for misalignment compensation, capable of accommodating axial, radial, and angular misalignments simultaneously. With fewer structural components overall, it requires no complex alignment procedures during installation, making it the preferred flexible connection component for applications involving significant misalignment conditions.
Q2: Is it necessary to dismantle the equipment on both ends to replace an aging rubber tire body?
A: No, it is not. The most significant design highlight of this product is the ability to replace the elastic element without dismantling the connected machinery. When performing maintenance or replacing the rubber tire body, there is no need to move the coupling halves on either side, nor is it necessary to relocate primary equipment such as motors or gear reducers. Replacement can be accomplished simply by removing the connecting bolts, thereby significantly reducing the complexity of equipment maintenance and minimizing downtime.
Q3: What maintenance is required during daily operation, and what is the applicable ambient temperature range?
A: The UL Type Tyre Coupling is a maintenance-free product; it requires no lubrication or periodic adjustment throughout its service life. The product is suitable for an operating temperature range of -20°C to 80°C. The rubber material undergoes special modification treatments to resist dust, moisture, and corrosion from oil and water, making it directly applicable in harsh industrial environments such as mines, cement plants, and chemical facilities. Under normal operating conditions, only periodic visual inspections of the rubber's aging status are required.
Q4: Can shaft bore dimensions be custom-ordered (non-standard), and what specifications are supported for bore diameters and keyways?
A: We support fully customized specifications for all bore diameters and keyway configurations. The bore and shaft dimensions of our products are manufactured in strict compliance with the Chinese National Standard GB/T3852-1997 (Coupling Bores and Keyways). Standard bore sizes are supplied in their default configuration, while those marked with an asterisk () can be directly machined and modified to accommodate J-type keyways. Furthermore, we offer custom machining services tailored to specific customer requirements regarding shaft diameter, installation length, and material specifications. As a direct-from-factory supplier, every unit undergoes rigorous dynamic balancing and visual quality inspection prior to shipment.
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