Sorts of Couplings
Class: Couplings
Posting Tags:Couplingcouplingsdiaphragm couplingsdisc couplingsgear couplingsgrid couplingsjaw couplingsmaterial flexing couplingsmechanical flexing couplingsroller chain couplingssleeve couplingstire couplingstypes of couplings
Coupling fall into two major categories: Material Flexing and Mechanical Flexing. The materials flexible types receive their flexibility from stretching or compressing a resilient material, such as rubber, or from the flexing of thin metallic discs or grid. Materials flexing couplings tend not to require 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 call for lubrication.

Material Flexing Couplings
Materials flexing couplings typically will not call for lubrication and operate in shear or compression and are able 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 material flexing coupling that transmits torque thru compression of an elastomeric spider insert positioned involving two intermeshing jaws.
Flex component is usually manufactured from NBR, polyurethane, Hytrel or Bronze
Accommodates misalignment
Transmits torque
Utilized for torsional dampening (vibration)
Lower torque, basic function applications
– Sleeve Coupling
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The sleeve coupling transmits lower to medium torque between linked products in shear by an elastomeric insert with male splines that mate with female hub splines. The insert materials is usually EPDM, Neoprene or Hytrel as well as the insert could be a 1 or two piece design and style.
Moderate misalignment
Torsional dampening (vibration)
End float with slight axial clearance
Low to medium torque, basic function applications
– Tire Coupling
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These couplings have a rubber or polyurethane element linked to two hubs. The rubber element transmits torque in shear.
Lowers transmission of shock loads or vibration.
Large misalignment capacity
Simple assembly w/o moving hubs or linked equipment
Moderate to large velocity operation
Wide array of torque capacity
– Disc Coupling
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The disc coupling?¡¥s principle of operation has the torque transmitted as a result of flexing disc components. It operates through tension and compression of chorded segments on a typical bolt circle bolted alternately involving the drive and driven side. These couplings are usually comprised of two hubs, two discs packs, as well as a center member. A single disc pack can accommodate angular and axial misalignment. Two disc packs are essential to accommodate parallel misalignment.
? Makes it possible for angular parallel and axial misalignment
? Is a correct constrained finish float layout
? A zero backlash style and design
? High pace rating and stability
– Diaphragm Coupling
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Diaphragm couplings utilize just one or maybe a series of plates or diaphragms for your versatile members. It transmits torque through the outside diameter of the versatile plate on the within diameter, throughout the spool or spacer piece, then from inside to outside diameter. The deflection in the outer diameter relative to the inner diameter is what occurs when the diaphragm is topic to misalignment. One example is, axial displacement attempts stretch the diaphragm which effects within a combination of elongations and bending in the diaphragm profile.
? Enables angular, parallel and substantial axial misalignments
? Utilized in large torque, substantial pace applications
Mechanical Flexing Couplings
The mechanical flexing couplings accept misalignment from rocking, rolling or sliding of metal surfaces. All metal mechanical flexing couplings demand lubrication.
Examples of mechanical flexing couplings are gear, grid and roller chain couplings.
– Gear Couplings
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Gear couplings transmit the highest sum of torque and also the highest amount of torque from 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 in the crowned gear teeth towards the mating sleeve teeth. Parallel misalignment is accommodated by possessing two adjacent hub/sleeve flex factors. Gear couplings demand periodic lubrication based on the application. They can be sensitive to lubrication failures but when thoroughly installed and maintained, these couplings possess a service existence of three to five years and in some cases they could final for decades.
– Grid Couplings
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Grid couplings consist of 2 radially slotted hubs that mesh having a serpentine strip of spring steel the grid delivers torsional damping and versatility of an elastomer however the power of steel. Grid couplings transmit torque and accommodate angular, parallel and axial misalignment from one particular hub for the other by way of the rocking and sliding of the tapered grid in the mating hub slots. The grid cross area is usually tapered for improved hub speak to and much easier assembly. As there exists movement amongst contacting hub and grid metal parts, lubrication is required.
– Roller Chain Coupling
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Roller Chain style couplings include two radially sprocketed hubs that engage a strand of double pitch roller chain. Chain couplings are made use of for low to reasonable torque and velocity applications. The meshing on the sprocket teeth and chain transmits torque along with the associated clearances accommodate angular, parallel and axial misalignment.

Chain couplings require periodic lubrication depending on the application. The lubrication is typically brushed onto the chain as well as a cover is used to assist retain the lubrication on the coupling.
To discover additional about each of the various kinds of couplings, visitthe EP Coupling Webpage.
Mechanical Energy Transmission ¡§C Shaft Coupling replacement technologies.
Replaces Spicer, Lovejoy, Beam, Bellows and Jaw sort shaft couplings
EP Coupling will be the most current in shaft coupling style and design, beam, bellows and jaw couplings all do the job at higher speed but minimal angle of misalignment.
Over the other finish universal joints are able to deal with higher amounts of misalignment but at reduced speeds and consistent upkeep.
EP Coupling as a hybrid flexible coupling can do both.
Improving on existing coupling technological innovation we present many distinct versions which will allow a 0 to 25?? operational angle of utilization
No inner components ¡§C No bearings to be frequently lubricated and change , this saves you money and time.
A single Piece style indicates no broken yokes or hubs.
Substantial speed- Runs at up to 7000 RPM
Torsionally rigid at low angles of misalignment
Scalable ¡§C the EP unit is usually scaled up or down to suit person customer requirements.?
Customizable ¡§C Possess a distinct form/function the spring/ball settings can be modified to match most applications.
Different shaft forms or sizes, we do AGMA/ANSI, SAE, & DIN bore/keyway and spline bore?¡¥s.
Being made from two counter wound springs suggests it absorbs shock force without damage
Spring style and design permits greater angle of usage without damaging components?
ISO9001 2007 manufactured
The patented EP style and design enables for larger angle of usage without deformation with all the torque transfer seen with Universal Joints, giving the performance of a Universal joint without the continual servicing.
So how does it operate? The style and design is quite simple, the sets of springs are counterwound so one particular tightens while the other loosens and visa versa.
This makes it possible for the coupling to operate in the two forward and reverse.
Its simplicity doesn?¡¥t end there, the only thing during the center in the coupling is often a single ball bearing this allows the coupling to pivot allowing for maximum versatility, this usually means no bearings.
Bearings are a consistent upkeep issue, they cannot run in harsh environments like water, mud, sand, dust and dirt as any intrusion by any of those elements leads to rapid failure.
So no bearings implies no continuous upkeep or worse replacement.
One piece 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 better The versatile coupling is powered through the springs, but because it is usually a pair of springs it effectively is really a metal bar, add the ball bearing it turns into a flexible metal bar.
So this implies much more torque and still have the flex that would destroy a standard universal or consistent velocity joint.
High speed/low velocity ¡§C Now flex coupling engineering is split into 2 primary areas, large speed, reduced torque, small angle of misalignment and reduced velocity, higher torque, greater angle of misalignment.
Various couplings applications, same product ¡§C Flexible/High velocity couplings are Beam couplings, elastomeric, bellows couplings and jaw sort couplings which can run at substantial velocity 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 handle is quite small.
EP?¡¥s flexible coupling remains torsionally rigid at lower angles at high velocity, with far much more torque than say a standard beam coupling, using the added flexibility if essential.
Reduced speed couplings like universal joints can perform at substantial torque and larger degrees of misalignment but they have inner parts that need to get continuously maintained.
If not greasing for lubrication and bearing substitute as well as angles of misalignment they will do the job at is limited as well, as too much will lead to bearing failure.
Our flex coupling can meet the higher torque demands plus the increased versatility while needing no upkeep as you would have to with using universal joints.
One particular product multiple uses. Why would you use distinctive products if you didnt need to when one product will do it all, a no servicing, large velocity, large torque, larger angle of misalignment capable versatile coupling.
Three models and counting ¡§C To date we have 3 models the czep150, czep300 as well as 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 handle 500ft lbs of static torque .
We are looking at what the market demands so bigger or smaller we will be adding much more as time goes on.
We have all the splines and keyways you need to fit your tools.
We want to get the job done with you, so speak to us and lets operate together 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 within the silicone fluid. Some plates are attached to your front axle driveshaft and some are attached for 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 pace. The silicone fluid resists the shear generated in it through the plates with differentiating pace, causing a torque transfer from your faster spinning axle to your slower spinning axle. Therefore, slight velocity difference is required for torque transfer.
If the rear wheels and driveshaft are slipping and turning faster than the front, friction involving the plates increases due towards the generated shear within the fluid, slippage is reduced, the rear wheel spin is reduced plus the torque through the input shaft is transferred to the front.
A viscous coupling is often 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 energy is transferred to just one particular axle. 1 part with the viscous coupling is linked to your driving axle, another part is linked to the driven axle. When driving wheels slip, viscous coupling locks and torque is transferred on the other axle. This is an automatic all wheel drive system.
The disadvantage of the viscous coupling is that it engages too slowly and allows 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 finish is engaged having a slight delay, causing sudden change while in 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 delicate to uneven tread wear on front and rear tires. This is why Volvo first reduced the pre-tensioning in 2000 then 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 various speeds while cornering. When excessive wheelspin happens on a single 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 often a full-time all wheel drive system.
Viscous coupling can also be integrated into the rear differential.
Precision Versatile Shaft Couplings
Clamping Precision Flexible Shaft Couplings
Designed to grip evenly around your shaft, these couplings supply much more holding electrical power than set screw couplings without marring the shaft.
Set Screw Precision Versatile 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 Versatile Shaft Couplings
Clamping Vibration-Damping Precision Versatile Shaft Couplings
Designed to grip evenly around your shaft, these couplings present far more holding energy than set screw couplings without marring the shaft.
Set Screw Vibration-Damping
Precision Versatile Shaft Couplings
Set Screw Vibration-Damping Precision Flexible Shaft Couplings
Every single hub includes a set screw, which bites into your shaft to hold the coupling in place.
High-Misalignment Vibration-Damping
Precision Versatile Shaft Couplings
High-Misalignment Vibration-Damping Precision Versatile Shaft Couplings
Also called double-loop couplings, these possess a versatile center that decreases vibration and compensates for high parallel and angular shaft misalignment.
Servomotor Precision Versatile Shaft Couplings
Able to handle substantial twisting forces as well as misalignment, these couplings are good for high-performance servomotor applications.
High-Speed Precision Versatile Shaft Couplings
With a bellows concerning two hubs, these couplings manage 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 example 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
Flexible 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 a lot more velocity than standard servomotor couplings.
Flexible Shaft Couplings
Set Screw Versatile Shaft Couplings
Every single hub includes a set screw (unless noted), which bites into your shaft to hold the coupling in place.
Clamping Versatile Shaft Couplings
Designed to grip evenly around your shaft, these couplings deliver extra 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 lifestyle of bearings, seals, and motors.
Clamping High-Parallel-Misalignment
Flexible Shaft Couplings
Clamping High-Parallel-Misalignment Flexible Shaft Couplings
Designed to grip evenly around your shaft, these couplings give extra holding electrical power than set screw couplings without marring the shaft.
Set Screw High-Parallel-Misalignment
Flexible Shaft Couplings
Set Screw High-Parallel-Misalignment Flexible Shaft Couplings
Each and every 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 manage higher angular misalignment than other three-piece couplings. Good for applications with varying shaft misalignment, they’re typically used with conveyor rollers and roller feeds in printing and packaging machines.
Machinable-Bore Flexible Shaft Couplings
Customize the bore of these versatile couplings to align uncommon shaft sizes as well as shafts that have become undersized from wear or oversized from coatings.
Shock-Absorbing Versatile Shaft Couplings
A strip of versatile spring steel wraps around the teeth of both hubs to absorb sharp, momentary load increases that can come from motor startups, emergency braking, or sudden impact with hard objects.
Metal-Detectable Flexible Shaft Couplings
Designed for use in food-processing applications, where a fraying spider could contaminate a batch, these couplings have a metal-detector-grade rubber spider. Small pieces of metal inside the rubber will set off a metal detector, alerting you to the problem.
Cleaned and Bagged Versatile
Heat-Resistant Shaft Couplings
Cleaned and Bagged Versatile Heat-Resistant Shaft Couplings
Versatile Shaft Couplings for Continuous Motion
High-Speed Vibration-Damping
Flexible Shaft Couplings
High-Speed Vibration-Damping Versatile Shaft Couplings
Use these gear-shaped couplings for high-speed and high-torque applications.
Vibration-Damping Versatile Shaft Couplings
A versatile tire on these couplings safeguards components on your shafts by reducing vibration and shock.
High-Torque Flexible Shaft Couplings
Which has a rugged roller-chain design and style, these couplings deliver excellent torque and angular misalignment capacities.
Ultra-High-Torque Versatile Shaft Couplings
Having a rigid gear design, these steel couplings transmit extra torque than other couplings in the same size.
Lightweight Flexible Shaft Couplings
Manufactured with lightweight nylon sleeves, these gear couplings need less energy to move than other high-torque flexible couplings. They compensate for parallel, angular, and axial misalignment.
Noncontact Magnetic Shaft Couplings
Magnetic force transfers torque from one half of these couplings to the other; there?¡¥s no get hold of amongst the parts, so they won?¡¥t wear. Couplings compensate for angular and parallel misalignment.