Sorts of Couplings
Category: Couplings
Report Tags:Couplingcouplingsdiaphragm couplingsdisc couplingsgear couplingsgrid couplingsjaw couplingsmaterial flexing couplingsmechanical flexing couplingsroller chain couplingssleeve couplingstire couplingstypes of couplings
Coupling fall into two principal categories: Material Flexing and Mechanical Flexing. The materials flexible kinds acquire their flexibility from stretching or compressing a resilient materials, which include rubber, or through the flexing of thin metallic discs or grid. Materials flexing couplings never need lubrication, with all the exception of grid couplings.

The mechanical flexing couplings accept misalignment from rocking, rolling or sliding of metal surfaces. All metal mechanical flexing couplings demand lubrication.

Material Flexing Couplings
Materials flexing couplings generally will not call for lubrication and operate in shear or compression and therefore are ready to accept angular, parallel and axial misalignment.

Examples of material flexing couplings are jaw, sleeve, tire, disc, grid and diaphragm couplings.
– Jaw Couplings
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The jaw coupling is often a materials flexing coupling that transmits torque thru compression of an elastomeric spider insert placed involving two intermeshing jaws.
Flex component is commonly made of NBR, polyurethane, Hytrel or Bronze
Accommodates misalignment
Transmits torque
Applied for torsional dampening (vibration)
Very low torque, common objective applications
– Sleeve Coupling
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The sleeve coupling transmits very low to medium torque in between linked gear in shear by an elastomeric insert with male splines that mate with female hub splines. The insert material is commonly EPDM, Neoprene or Hytrel as well as insert generally is a one or two piece style and design.
Moderate misalignment
Torsional dampening (vibration)
Finish float with slight axial clearance
Low to medium torque, common purpose applications
– Tire Coupling
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These couplings have a rubber or polyurethane element connected to two hubs. The rubber component transmits torque in shear.
Lowers transmission of shock loads or vibration.
Higher misalignment capacity
Quick assembly w/o moving hubs or connected gear
Reasonable to higher speed operation
Broad choice of torque capability
– Disc Coupling
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The disc coupling?¡¥s principle of operation has the torque transmitted through flexing disc components. It operates as a result of stress and compression of chorded segments on a popular bolt circle bolted alternately between the drive and driven side. These couplings are ordinarily comprised of two hubs, two discs packs, along with a center member. Just one disc pack can accommodate angular and axial misalignment. Two disc packs are necessary to accommodate parallel misalignment.
? Permits angular parallel and axial misalignment
? Is a genuine limited end float style and design
? A zero backlash design
? Higher speed rating and balance
– Diaphragm Coupling
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Diaphragm couplings make use of just one or perhaps a series of plates or diaphragms to the flexible members. It transmits torque from your outside diameter of a flexible plate to your within diameter, across the spool or spacer piece, and then from within to outside diameter. The deflection in the outer diameter relative on the inner diameter is what happens once the diaphragm is subject to misalignment. For example, axial displacement attempts stretch the diaphragm which benefits within a blend of elongations and bending from the diaphragm profile.
? Lets angular, parallel and higher axial misalignments
? Utilized in higher torque, higher velocity applications
Mechanical Flexing Couplings
The mechanical flexing couplings accept misalignment from rocking, rolling or sliding of metal surfaces. All metal mechanical flexing couplings call for lubrication.
Examples of mechanical flexing couplings are gear, grid and roller chain couplings.
– Gear Couplings
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Gear couplings transmit the highest quantity of torque and also the highest quantity of torque in the smallest diameter of any versatile coupling.

Each coupling includes two hubs with crowned external gear teeth. The hubs mesh with two internally splined flanged sleeves that are bolted collectively. Gear couplings accommodate angular and axial misalignment by the rocking and sliding from the crowned gear teeth against the mating sleeve teeth. Parallel misalignment is accommodated by having two adjacent hub/sleeve flex factors. Gear couplings require periodic lubrication based on the application. They may be sensitive to lubrication failures but if appropriately set up and maintained, these couplings have a services existence of 3 to 5 years and in some instances they’re able to final for decades.
– Grid Couplings
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Grid couplings consist of 2 radially slotted hubs that mesh by using a serpentine strip of spring steel the grid gives torsional damping and flexibility of an elastomer but the power of steel. Grid couplings transmit torque and accommodate angular, parallel and axial misalignment from 1 hub to your other by means of the rocking and sliding of the tapered grid during the mating hub slots. The grid cross part is generally tapered for better hub make contact with and a lot easier assembly. As there may be movement in between contacting hub and grid metal parts, lubrication is needed.
– Roller Chain Coupling
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Roller Chain type couplings consist of two radially sprocketed hubs that engage a strand of double pitch roller chain. Chain couplings are applied for minimal to reasonable torque and pace applications. The meshing on the sprocket teeth and chain transmits torque plus the related clearances accommodate angular, parallel and axial misalignment.

Chain couplings require periodic lubrication depending on the application. The lubrication is ordinarily brushed onto the chain along with a cover is utilized to assist hold the lubrication about the coupling.
To find out extra about all of the different types of couplings, visitthe EP Coupling Webpage.
Mechanical Energy Transmission ¡§C Shaft Coupling replacement technological innovation.
Replaces Spicer, Lovejoy, Beam, Bellows and Jaw sort shaft couplings
EP Coupling would be the most up-to-date in shaft coupling style and design, beam, bellows and jaw couplings all perform at large pace but low angle of misalignment.
To the other end universal joints are able to manage greater quantities of misalignment but at reduce speeds and continual servicing.
EP Coupling as being a hybrid versatile coupling can do each.
Strengthening on present coupling technology we give a number of distinctive versions which will allow a 0 to 25?? operational angle of usage
No internal parts ¡§C No bearings to be frequently lubricated and replace , this saves you money and time.
1 Piece design means no broken yokes or hubs.
Large speed- Runs at up to 7000 RPM
Torsionally rigid at low angles of misalignment
Scalable ¡§C the EP unit may be scaled up or down to suit personal purchaser prerequisites.?
Customizable ¡§C Possess a unique form/function the spring/ball settings could be modified to match most applications.
Various shaft sorts or sizes, we do AGMA/ANSI, SAE, & DIN bore/keyway and spline bore?¡¥s.
Being created from two counter wound springs suggests it absorbs shock force without damage
Spring style and design will allow greater angle of utilization without damaging components?
ISO9001 2007 manufactured
The patented EP design and style permits for larger angle of usage without deformation together with the torque transfer seen with Universal Joints, giving the performance of the Universal joint without the continuous servicing.
So how does it do the job? The design is quite simple, the sets of springs are counterwound so one tightens while another loosens and visa versa.
This will allow the coupling to perform in each forward and reverse.
Its simplicity doesn?¡¥t finish there, the only thing in the center in the coupling is usually a single ball bearing this enables the coupling to pivot allowing for maximum versatility, this implies no bearings.
Bearings are a consistent maintenance issue, they cannot run in harsh environments like water, mud, sand, dust and dirt as any intrusion by any of those factors leads to rapid failure.
So no bearings usually means no frequent maintenance or worse substitute.
1 piece style and design ¡§C As the product is just hubs and springs the things that can go wrong are greatly reduced, so no cracked yokes or broken propeller joints, no worn out bearings.
Torque ¡§C the bigger the much better The flexible coupling is powered by the springs, but because it is actually a pair of springs it effectively is often a metal bar, add the ball bearing it turns into a flexible metal bar.
So this indicates much more torque and still have the flex that would destroy a standard universal or continual velocity joint.
Substantial speed/low velocity ¡§C Now flex coupling technologies is split into 2 most important areas, high pace, lower torque, small angle of misalignment and reduce speed, increased torque, increased angle of misalignment.
Distinctive couplings applications, same product ¡§C Flexible/High speed couplings are Beam couplings, elastomeric, bellows couplings and jaw form couplings which can run at substantial speed maintain torsional rigidity but traditionally can only run at a few degrees of misalignment before starting to wear out.
Add to that because of that small misalignment angles , the quantity of torque these flex couplings can take care of is quite small.
EP?¡¥s versatile coupling remains torsionally rigid at lower angles at substantial speed, with far extra torque than say a standard beam coupling, using the added versatility if necessary.
Reduce speed couplings like universal joints can do the job at higher torque and larger degrees of misalignment but they have internal parts that need to be continually maintained.
If not greasing for lubrication and bearing replacement and the angles of misalignment they will get the job done at is limited as well, as too much will lead to bearing failure.
Our flex coupling can meet the greater torque demands plus the increased flexibility while needing no upkeep as you would have to with using universal joints.
One product multiple uses. Why would you use unique products if you didnt need to when one product will do it all, a no maintenance, high velocity, substantial torque, higher angle of misalignment capable flexible coupling.
Three models and counting ¡§C To date we have three models the czep150, czep300 and also the czep500
czep150 is capable of handling 150ft lbs of torque and be employed at 25??.
czep300 is capable of handling 300 ft lbs of static torque and operate at angles of 25??
czep500 can manage 500ft lbs of static torque .
We are looking at what the market demands so bigger or smaller we will be adding far more as time goes on.
We have all the splines and keyways you need to match your equipment.
We want to work with you, so make contact with us and lets operate collectively to solve your flexible coupling issues today.
Viscous coupling is filled with silicone and is not computer controlled. A series of plates with holes and slots turn from the silicone fluid. Some plates are attached towards the front axle driveshaft and some are attached on the rear axle driveshaft. Normally the plates turn at the same rate without relative motion. The silicone fluid becomes very viscous due to it’s viscoelasticity as soon as the plates rotate at differentiating speed. The silicone fluid resists the shear generated in it from the plates with differentiating velocity, causing a torque transfer through the faster spinning axle on the slower spinning axle. Therefore, slight pace difference is required for torque transfer.
If the rear wheels and driveshaft are slipping and turning faster than the front, friction in between the plates increases due towards the generated shear inside the fluid, slippage is reduced, the rear wheel spin is reduced and the torque through the input shaft is transferred to the front.
A viscous coupling might be installed in two ways:
viscous coupling acting instead of the center differential
Viscous Coupling Acting Instead Of a Center Differential
In this case, in normal conditions, all power is transferred to just 1 axle. One part on the viscous coupling is connected on the driving axle, another part is connected towards the driven axle. When driving wheels slip, viscous coupling locks and torque is transferred to the other axle. This is an automatic all wheel drive system.
The disadvantage of the viscous coupling is that it engages too slowly and permits for excessive wheelspin before transferring torque to another wheels. This is especially critical in automatic all wheel drive systems – when cornering under acceleration, the rear end is engaged using a slight delay, causing sudden change from the car’s behaviour fron understeer to oversteer. Also, when taking-off in sand, front wheels can become bogged down before all wheel drive is engaged.
In an attempt to reduce the coupling’s activation time, czh always transfers 5% of torque to rear wheels (this is achieved by rear driveshaft rotating slower than front driveshaft in normal conditions, causing viscous fluid warm-up and slight solidification).
At the same time, pre-tensioning the coupling too much leads to undesireable transmission wind-up and makes the system too sensitive to uneven tread wear on front and rear tires. This is why Volvo first reduced the pre-tensioning in 2000 and after that replaced the viscous coupling with epdex clutch on their all wheel drive vehicles in model year 2003
Viscous Coupling Integrated Into The Center Differential
In this case, all wheels are powered at all times. Viscous coupling is integrated into the center differential. Central differential distributes power to all wheels and lets them turn at unique speeds while cornering. When excessive wheelspin happens on one particular of the axles, viscous coupling locks the differential and equalizes the speeds of both axles. Torque is transferred to wheels that have traction. This is usually a full-time all wheel drive system.
Viscous coupling can also be integrated into the rear differential.
Precision Flexible Shaft Couplings
Clamping Precision Flexible Shaft Couplings
Designed to grip evenly around your shaft, these couplings provide far more holding energy than set screw couplings without marring the shaft.
Set Screw Precision Flexible Shaft Couplings
Tighten the set screws to fasten these couplings to your shaft. Set screws bite into the shaft to hold the couplings in place.
Clamping Vibration-Damping
Precision Flexible Shaft Couplings
Clamping Vibration-Damping Precision Versatile Shaft Couplings
Designed to grip evenly around your shaft, these couplings supply extra holding energy than set screw couplings without marring the shaft.
Set Screw Vibration-Damping
Precision Versatile Shaft Couplings
Set Screw Vibration-Damping Precision Versatile Shaft Couplings
Just about every hub includes a set screw, which bites into your shaft to hold the coupling in place.
High-Misalignment Vibration-Damping
Precision Flexible Shaft Couplings
High-Misalignment Vibration-Damping Precision Flexible Shaft Couplings
Also called double-loop couplings, these have a versatile center that lowers vibration and compensates for high parallel and angular shaft misalignment.
Servomotor Precision Flexible Shaft Couplings
Able to manage high twisting forces as well as misalignment, these couplings are good for high-performance servomotor applications.
High-Speed Precision Flexible Shaft Couplings
That has a bellows between two hubs, these couplings handle all sorts of misalignment and are good for precision stepper and encoder motion-control applications.
High-Misalignment Precision
Versatile Shaft Couplings
High-Misalignment Precision Versatile Shaft Couplings
Specially designed ridges allow these bellows couplings to compensate for far more misalignment than other precision couplings?auseful for low-torque, high-precision applications for instance instrumentation and motion control.
Electrically Isolating Servomotor
Precision Flexible Shaft Couplings
Electrically Isolating Servomotor Precision Flexible Shaft Couplings
An acetal plastic spacer at the center of these couplings insulates bearings, encoders, and other shaft elements from stray electric current. Use them with servomotors, which sometimes generate current that travels down the shaft and can damage circuit boards, interfere with readings, and cause wear on bearing raceways.
High-Speed Servomotor Precision
Versatile Shaft Couplings
High-Speed Servomotor Precision Flexible Shaft Couplings
Connect shafts and ball screws to high-speed servomotors and stepper motors?athese shaft couplings handle four times far more pace than standard servomotor couplings.
Versatile Shaft Couplings
Set Screw Flexible Shaft Couplings
Just about every hub includes a set screw (unless noted), which bites into your shaft to hold the coupling in place.
Clamping Flexible Shaft Couplings
Designed to grip evenly around your shaft, these couplings provide additional holding energy than set screw couplings without marring the shaft.
High-Torque Set Screw Flexible Shaft Couplings
The thick split spider on these couplings can take on twice as much torque as standard spiders, extending the daily life of bearings, seals, and motors.
Clamping High-Parallel-Misalignment
Flexible Shaft Couplings
Clamping High-Parallel-Misalignment Versatile Shaft Couplings
Designed to grip evenly around your shaft, these couplings present extra holding energy than set screw couplings without marring the shaft.
Set Screw High-Parallel-Misalignment
Versatile Shaft Couplings
Set Screw High-Parallel-Misalignment Flexible Shaft Couplings
Each hub includes a set screw, which bites into your shaft to hold the coupling in place.
High-Angular-Misalignment Versatile Shaft Couplings
Also known as Schmidt couplings, these handle higher angular misalignment than other three-piece couplings. Good for applications with varying shaft misalignment, they’re frequently utilized with conveyor rollers and roller feeds in printing and packaging machines.
Machinable-Bore Versatile Shaft Couplings
Customize the bore of these flexible couplings to align uncommon shaft sizes as well as shafts that have become undersized from wear or oversized from coatings.
Shock-Absorbing Flexible Shaft Couplings
A strip of versatile spring steel wraps around the teeth of each hubs to absorb sharp, momentary load increases that can come from motor startups, emergency braking, or sudden impact with hard objects.
Metal-Detectable Versatile Shaft Couplings
Designed for use in food-processing applications, where a fraying spider could contaminate a batch, these couplings possess a metal-detector-grade rubber spider. Small pieces of metal within the rubber will set off a metal detector, alerting you to your problem.
Cleaned and Bagged Flexible
Heat-Resistant Shaft Couplings
Cleaned and Bagged Versatile Heat-Resistant Shaft Couplings
Flexible Shaft Couplings for Continuous Motion
High-Speed Vibration-Damping
Versatile Shaft Couplings
High-Speed Vibration-Damping Versatile Shaft Couplings
Use these gear-shaped couplings for high-speed and high-torque applications.
Vibration-Damping Flexible Shaft Couplings
A flexible tire on these couplings safeguards parts on your shafts by reducing vibration and shock.
High-Torque Flexible Shaft Couplings
Which has a rugged roller-chain design, these couplings give excellent torque and angular misalignment capacities.
Ultra-High-Torque Flexible Shaft Couplings
With a rigid gear design, these steel couplings transmit additional torque than other couplings of the same size.
Lightweight Flexible Shaft Couplings
Produced with lightweight nylon sleeves, these gear couplings require less energy to move than other high-torque versatile couplings. They compensate for parallel, angular, and axial misalignment.
Noncontact Magnetic Shaft Couplings
Magnetic force transfers torque from one particular half of these couplings to your other; there?¡¥s no get hold of concerning the components, so they won?¡¥t wear. Couplings compensate for angular and parallel misalignment.