PIN coupling

What’s pin bush coupling?
Industrial Pin Bush Coupling
The function of a flexible coupling is to transmit torque from on shaft to some other where limited mis alignment might occur and also to absorb shock loads.
We are among the prominent businesses engaged in providing Pinbush Coupling that has highly developed rubber substances for use in bushes to absorb shock, tensional vibrations and small misalignments. These couplings will be flexible in type and tend to be of the cushioned travel type that is employed for transmitting the torque through optimum tensile steel bolts to the machine input. Moreover, they are simple and small in construction that makes these capable of transmitting high torques at optimum speeds. These kind of couplings generally permit travel in either course and require neither lubrication, nor adjustment after fitting.

Pin and Bush Couplings
Vertical/horizontal mounting
Adsorbs vibrations
Progressive torsion spring properties due to primarily pressurised bushings
Fail-safe in case of the failing of the bushings
Convenient replacement of bushings without disassembly of the coupling halves
Free of maintenance, no lubrication necessary
Declaration of conformity relative to ATEX 2014/34/EU possible
Typical applications
Pump drives
Belt drives
General mechanical engineering

Ever-electric power pin and bush coupling
Ever-power couplings consist of a set of resilient BARREL Shaped bushes with pins & nuts and two flanged hubs of graded cast iron.
The special BARREL shaped bushes let the MISALIGNMENT IN ALL DIRECTIONS and give extra torsional flexibility when compared with plain bushes.
These couplings are suited to basic engineering application requiring reliable power tranny even within conditions of shaft misalignments which are often unavoidable.

Ever-power couplings are used seeing that flexible compensating couplings in every applications requiring a reliable transmitting of torque under harsh operating circumstances. The conical seats of the buffer pins facilitate installation and guarantee maintenance-free procedure. The optimized form of the barrelled buffers enables basic plug-in assembly and low circumferential backlash. Many type variants can be found, e. g. with brake disk, axial play limiting gadget, or brake engine couplings.
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Examples of application
Ever-power couplings are being used generally mechanical engineering both since high-quickness couplings and for excessive torques, e. g. in
Screw pumps
Cement processing machines7
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Advantages of the product
Flexible fail-secure pin and bush coupling for channel up to high torques
Compact design; low weights and mass occasions of inertia
Independent of direction of rotation (suitable for reversing operation)
Suitable for plug-in assembly (blind assembly, bell housing installation)
Torque range of the standard series between 200 Nm and 1,300,000 Nm
May be used in potentially explosive atmospheres; certified acc. to 94/9/EC (ATEX 95)

Pin & Bush Couplings
Simple and virtually indestructible, the pin and bush design is perfect for applications that involve basic safety, such as elevator drives or perhaps fire pumps. The fail-safe aspect of the design enables the coupling to be serviced at easy intervals, should the elastomer become damaged.
The elastomer elements reduce vibration and dampen impact loads, and accommodate misalignment up to 0.5 degrees. The initial bushing is normally a neoprene elastomer with a graphite impregnated bronze sleeve. They are still available, in addition to a contemporary version of the concept: urethane bushings.

Ever-electricity also manufactures many customized variations of this coupling including brake drum and shear pin type couplings.
Damping shaft coupling that works extremely well universally to compensate for shaft misalignment
Nominal torque range between TKN = 19 Nm up to 62,000 Nm with 23 sizes
Temperature range: from -50 °C to +100 °C

Robust and tested a million times
Because of their torsional overall flexibility, Ever-power couplings can move critical torsional vibrations from the operating region of mechanical equipment in such a way that no unwanted effects on the travel train are to be expected. Ever-ability couplings are constructed of high-quality cast iron. The flexible elements manufactured from synthetic rubber (Buna-N) can be found in different levels of hardness for many applications. Steel pins and flexible components are designed to ensure that no dress in occurs if they are properly fitted.

Your benefits instantly
Fail-safe for optimum operational reliability
Three-part type suited to plug-in assembly and simplified alternative of elements
Selection of elastomer hardness to match various applications
Ideal for use in potentially explosive environments; certified according to
2014/34/EU (ATEX)
High degree of availability of parts ex stock

Established as an industrial standard, worldwide used
Mining and Cement: heat technology
Oil and Gas: pumps, fans, compressors, air flow condensers
Power Generation: pumps, followers, compressors, air condensers, drinking water turbines
Chemical compounds and Pharmaceuticals: driers, lauter tuns, pumps, fans, compressors, mixers, agitators, reactors
Plastic and Rubber: one- and double-screw extruders
Pulp and Paper: wastewater purification plants
Water and Wastewater: aerators
Food and Beverage: lauter tuns, reactors, agitators, mixers

Did you know?
Original Ever-power elastomers ensure the optimal operation of one’s body. The flexible factors of the Ever-electrical power coupling are subject to compression. If the adaptable elements are irreparably broken, the hub parts come into contact with metal. This “emergency procedure capability” is required, e.g., in the case of fire pump drives.


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Ep Screw Jack Co., Ltd.

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As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.