Sorts of Couplings
Category: Couplings
Posting Tags:Couplingcouplingsdiaphragm couplingsdisc couplingsgear couplingsgrid couplingsjaw couplingsmaterial flexing couplingsmechanical flexing couplingsroller chain couplingssleeve couplingstire couplingstypes of couplings
Coupling fall into two principal classes: Material Flexing and Mechanical Flexing. The material flexible styles acquire their flexibility from stretching or compressing a resilient materials, like rubber, or in the flexing of thin metallic discs or grid. Material flexing couplings do not call for 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 require lubrication.

Material Flexing Couplings
Materials flexing couplings typically tend not to 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 really a material flexing coupling that transmits torque thru compression of an elastomeric spider insert positioned between two intermeshing jaws.
Flex component is frequently made from NBR, polyurethane, Hytrel or Bronze
Accommodates misalignment
Transmits torque
Applied for torsional dampening (vibration)
Very low torque, general goal applications
– Sleeve Coupling
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The sleeve coupling transmits very low to medium torque among linked equipment in shear by means of an elastomeric insert with male splines that mate with female hub splines. The insert materials is commonly EPDM, Neoprene or Hytrel along with the insert can be a 1 or two piece style.
Moderate misalignment
Torsional dampening (vibration)
End float with slight axial clearance
Low to medium torque, standard purpose applications
– Tire Coupling
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These couplings have a rubber or polyurethane element connected to two hubs. The rubber element transmits torque in shear.
Decreases transmission of shock loads or vibration.
Substantial misalignment capability
Effortless assembly w/o moving hubs or connected equipment
Reasonable to high speed operation
Broad variety of torque capacity
– Disc Coupling
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The disc coupling?¡¥s principle of operation has the torque transmitted by means of flexing disc aspects. It operates by tension and compression of chorded segments on the typical bolt circle bolted alternately between the drive and driven side. These couplings are typically comprised of two hubs, two discs packs, plus a center member. A single disc pack can accommodate angular and axial misalignment. Two disc packs are required to accommodate parallel misalignment.
? Enables angular parallel and axial misalignment
? Can be a correct constrained end float style and design
? A zero backlash layout
? Large velocity rating and balance
– Diaphragm Coupling
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Diaphragm couplings employ a single or a series of plates or diaphragms to the versatile members. It transmits torque in the outdoors diameter of the flexible plate to your inside diameter, throughout the spool or spacer piece, after which from within to outdoors diameter. The deflection of the outer diameter relative towards the inner diameter is what happens once the diaphragm is subject to misalignment. For instance, axial displacement attempts stretch the diaphragm which benefits within a mixture of elongations and bending on the diaphragm profile.
? Will allow angular, parallel and higher axial misalignments
? Used in substantial torque, higher pace 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 volume of torque as well as the highest sum of torque within the smallest diameter of any flexible coupling.

Every single coupling includes two hubs with crowned external gear teeth. The hubs mesh with two internally splined flanged sleeves that are bolted with each other. Gear couplings accommodate angular and axial misalignment by the rocking and sliding on the crowned gear teeth against the mating sleeve teeth. Parallel misalignment is accommodated by possessing two adjacent hub/sleeve flex factors. Gear couplings need periodic lubrication based on the application. They can be delicate to lubrication failures but when thoroughly put in and maintained, these couplings possess a service daily life of 3 to 5 many years and in some instances they might last for many years.
– Grid Couplings
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Grid couplings include two radially slotted hubs that mesh having a serpentine strip of spring steel the grid gives torsional damping and flexibility of an elastomer however the power of steel. Grid couplings transmit torque and accommodate angular, parallel and axial misalignment from a single hub on the other by the rocking and sliding of a tapered grid while in the mating hub slots. The grid cross area is generally tapered for greater hub make contact with and a lot easier assembly. As there exists motion amongst contacting hub and grid metal parts, lubrication is needed.
– Roller Chain Coupling
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Roller Chain variety couplings include two radially sprocketed hubs that engage a strand of double pitch roller chain. Chain couplings are applied for lower to reasonable torque and speed applications. The meshing with the sprocket teeth and chain transmits torque plus the related clearances accommodate angular, parallel and axial misalignment.

Chain couplings need periodic lubrication depending on the application. The lubrication is usually brushed onto the chain as well as a cover is made use of to assist continue to keep the lubrication within the coupling.
To understand extra about each of the various kinds of couplings, visitthe EP Coupling Web page.
Mechanical Electrical power Transmission ¡§C Shaft Coupling substitute technologies.
Replaces Spicer, Lovejoy, Beam, Bellows and Jaw type shaft couplings
EP Coupling will be the newest in shaft coupling style, beam, bellows and jaw couplings all perform at substantial velocity but reduced angle of misalignment.
Around the other end universal joints can manage higher amounts of misalignment but at lower speeds and constant upkeep.
EP Coupling like a hybrid flexible coupling can do both.
Strengthening on present coupling technological innovation we provide a variety of diverse versions which lets a 0 to 25?? operational angle of usage
No inner elements ¡§C No bearings to get frequently lubricated and replace , this saves you money and time.
1 Piece style and design implies no broken yokes or hubs.
High speed- Runs at up to 7000 RPM
Torsionally rigid at very low angles of misalignment
Scalable ¡§C the EP unit may be scaled up or down to suit personal customer needs.?
Customizable ¡§C Have a specific form/function the spring/ball settings is often modified to fit most applications.
Distinct shaft forms or sizes, we do AGMA/ANSI, SAE, & DIN bore/keyway and spline bore?¡¥s.
Being made from two counter wound springs signifies it absorbs shock force without damage
Spring style and design lets greater angle of utilization without damaging components?
ISO9001 2007 manufactured
The patented EP design allows for larger angle of utilization without deformation using the torque transfer seen with Universal Joints, giving the performance of a Universal joint without the consistent maintenance.
So how does it operate? The layout is quite simple, the sets of springs are counterwound so a single tightens while another loosens and visa versa.
This will allow the coupling to work in each forward and reverse.
Its simplicity doesn?¡¥t finish there, the only thing from the center of your coupling is usually a single ball bearing this permits the coupling to pivot allowing for maximum versatility, this means no bearings.
Bearings are a continual servicing 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 signifies no constant maintenance or worse replacement.
1 piece style ¡§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 by the springs, but because it is often a pair of springs it effectively is usually a metal bar, add the ball bearing it turns into a versatile metal bar.
So this indicates much more torque and still have the flex that would destroy a standard universal or continuous velocity joint.
High speed/low pace ¡§C Now flex coupling technological innovation is split into two major areas, high speed, lower torque, small angle of misalignment and lower speed, larger torque, larger angle of misalignment.
Different couplings applications, same product ¡§C Flexible/High pace couplings are Beam couplings, elastomeric, bellows couplings and jaw type couplings which can run at substantial pace 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 volume of torque these flex couplings can take care of is quite small.
EP?¡¥s flexible coupling remains torsionally rigid at decrease angles at higher speed, with far more torque than say a standard beam coupling, with all the added flexibility if required.
Lower pace couplings like universal joints can operate at substantial torque and larger degrees of misalignment but they have internal parts that need for being consistently maintained.
If not greasing for lubrication and bearing substitute and the angles of misalignment they’re able to do the job at is restricted as well, as too much will lead to bearing failure.
Our flex coupling can meet the increased torque demands and also the increased flexibility while needing no servicing as you would have to with using universal joints.
One particular product multiple uses. Why would you use distinct products if you didnt need to when one particular product will do it all, a no servicing, high velocity, higher torque, larger angle of misalignment capable versatile coupling.
Three models and counting ¡§C To date we have three models the czep150, czep300 plus the czep500
czep150 is capable of handling 150ft lbs of torque and be used at 25??.
czep300 is capable of handling 300 ft lbs of static torque and operate at angles of 25??
czep500 can deal with 500ft lbs of static torque .
We are looking at what the market demands so bigger or smaller we will be adding a lot more as time goes on.
We have all the splines and keyways you need to match your equipment.
We want to function with you, so make contact with us and lets operate with each other to solve your versatile coupling issues today.
Viscous coupling is filled with silicone and is not computer controlled. A series of plates with holes and slots turn during the silicone fluid. Some plates are attached towards the front axle driveshaft and some are attached to 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 velocity. The silicone fluid resists the shear generated in it from the plates with differentiating pace, causing a torque transfer through the faster spinning axle for the slower spinning axle. Therefore, slight pace difference is needed for torque transfer.
If the rear wheels and driveshaft are slipping and turning faster than the front, friction involving the plates increases due for the generated shear from the fluid, slippage is reduced, the rear wheel spin is reduced and also the torque from the input shaft is transferred on the front.
A viscous coupling is usually 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 axle. 1 part of your viscous coupling is connected on the driving axle, another part is linked to your driven axle. When driving wheels slip, viscous coupling locks and torque is transferred for the other axle. This is an automatic all wheel drive system.
The disadvantage of the viscous coupling is that it engages too slowly and lets 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 with a slight delay, causing sudden change during 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 electrical power to all wheels and lets them turn at distinctive speeds while cornering. When excessive wheelspin takes place on one on the axles, viscous coupling locks the differential and equalizes the speeds of each axles. Torque is transferred to wheels that have traction. This is a full-time all wheel drive system.
Viscous coupling can also be integrated into the rear differential.
Precision Flexible Shaft Couplings
Clamping Precision Versatile Shaft Couplings
Designed to grip evenly around your shaft, these couplings present much 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 Versatile Shaft Couplings
Clamping Vibration-Damping Precision Versatile Shaft Couplings
Designed to grip evenly around your shaft, these couplings present far more holding electrical power than set screw couplings without marring the shaft.
Set Screw Vibration-Damping
Precision Flexible Shaft Couplings
Set Screw Vibration-Damping Precision Versatile 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 Flexible 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 large parallel and angular shaft misalignment.
Servomotor Precision Versatile 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 amongst two hubs, these couplings take care of all forms of misalignment and therefore are good for precision stepper and encoder motion-control applications.
High-Misalignment Precision
Versatile Shaft Couplings
High-Misalignment Precision Flexible Shaft Couplings
Specially designed ridges allow these bellows couplings to compensate for additional 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 components 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 take care of four times a lot more velocity than standard servomotor couplings.
Flexible Shaft Couplings
Set Screw Versatile Shaft Couplings
Just about every 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 present far more holding electrical power than set screw couplings without marring the shaft.
High-Torque Set Screw Versatile 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 offer much more holding energy than set screw couplings without marring the shaft.
Set Screw High-Parallel-Misalignment
Versatile Shaft Couplings
Set Screw High-Parallel-Misalignment Versatile Shaft Couplings
Every hub includes a set screw, which bites into your shaft to hold the coupling in place.
High-Angular-Misalignment Flexible Shaft Couplings
Also known as Schmidt couplings, these deal with increased angular misalignment than other three-piece couplings. Good for applications with varying shaft misalignment, they’re frequently used with conveyor rollers and roller feeds in printing and packaging machines.
Machinable-Bore Flexible 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 the two 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 within the rubber will set off a metal detector, alerting you to your problem.
Cleaned and Bagged Versatile
Heat-Resistant Shaft Couplings
Cleaned and Bagged Flexible Heat-Resistant Shaft Couplings
Versatile 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 versatile tire on these couplings safeguards elements on your shafts by reducing vibration and shock.
High-Torque Versatile Shaft Couplings
Which has a rugged roller-chain design, these couplings deliver excellent torque and angular misalignment capacities.
Ultra-High-Torque Flexible Shaft Couplings
Which has a rigid gear design and style, these steel couplings transmit much more torque than other couplings of the same size.
Lightweight Versatile 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 half of these couplings towards the other; there?¡¥s no contact between the elements, so they won?¡¥t wear. Couplings compensate for angular and parallel misalignment.