Shaft Couplings

Sorts of Couplings
Category: Couplings
Post Tags:Couplingcouplingsdiaphragm couplingsdisc couplingsgear couplingsgrid couplingsjaw couplingsmaterial flexing couplingsmechanical flexing couplingsroller chain couplingssleeve couplingstire couplingstypes of couplings
Coupling fall into two main classes: Materials Flexing and Mechanical Flexing. The materials versatile styles get their flexibility from stretching or compressing a resilient materials, like rubber, or in the flexing of thin metallic discs or grid. Material flexing couplings will not call for lubrication, together with 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
Material flexing couplings usually do not demand lubrication and operate in shear or compression and therefore are able to accept angular, parallel and axial misalignment.

Examples of materials flexing couplings are jaw, sleeve, tire, disc, grid and diaphragm couplings.
– Jaw Couplings
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The jaw coupling can be a materials flexing coupling that transmits torque thru compression of an elastomeric spider insert positioned among two intermeshing jaws.
Flex component is generally made of NBR, polyurethane, Hytrel or Bronze
Accommodates misalignment
Transmits torque
Applied for torsional dampening (vibration)
Minimal torque, standard goal applications
– Sleeve Coupling
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The sleeve coupling transmits very low to medium torque involving connected equipment in shear by means of an elastomeric insert with male splines that mate with female hub splines. The insert materials is normally EPDM, Neoprene or Hytrel and also the insert can be a 1 or two piece layout.
Reasonable misalignment
Torsional dampening (vibration)
End float with slight axial clearance
Low to medium torque, common function applications
– Tire Coupling
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These couplings possess a rubber or polyurethane element connected to two hubs. The rubber component transmits torque in shear.
Minimizes transmission of shock loads or vibration.
Substantial misalignment capacity
Easy assembly w/o moving hubs or connected equipment
Reasonable to substantial velocity operation
Wide variety of torque capability
– 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 by stress and compression of chorded segments on a popular bolt circle bolted alternately between the drive and driven side. These couplings are normally comprised of two hubs, two discs packs, in addition to 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
? Is usually a true restricted finish float design
? A zero backlash style
? Large speed rating and stability
– Diaphragm Coupling
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Diaphragm couplings make use of just one or a series of plates or diaphragms for the flexible members. It transmits torque from the outside diameter of a flexible plate for the inside diameter, throughout the spool or spacer piece, then from inside to outside diameter. The deflection in the outer diameter relative on the inner diameter is what occurs once the diaphragm is topic to misalignment. By way of example, axial displacement attempts stretch the diaphragm which outcomes inside a blend of elongations and bending of your diaphragm profile.
? Makes it possible for angular, parallel and higher axial misalignments
? Used in high torque, high speed 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 amount of torque and the highest quantity of torque in the smallest diameter of any flexible 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 from the rocking and sliding from the crowned gear teeth against the mating sleeve teeth. Parallel misalignment is accommodated by possessing two adjacent hub/sleeve flex points. Gear couplings require periodic lubrication depending on the application. They can be sensitive to lubrication failures but if thoroughly put in and maintained, these couplings possess a support daily life of 3 to five years and in some instances they are able to last for decades.
– Grid Couplings
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Grid couplings consist of two radially slotted hubs that mesh using 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 1 hub towards the other by the rocking and sliding of the tapered grid during the mating hub slots. The grid cross segment is generally tapered for greater hub get hold of and less complicated assembly. As there exists movement between contacting hub and grid metal elements, lubrication is needed.
– Roller Chain Coupling
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Roller Chain variety couplings consist of two radially sprocketed hubs that engage a strand of double pitch roller chain. Chain couplings are used for reduced to reasonable torque and pace applications. The meshing of the sprocket teeth and chain transmits torque as well as the related clearances accommodate angular, parallel and axial misalignment.

Chain couplings demand periodic lubrication depending on the application. The lubrication is ordinarily brushed onto the chain as well as a cover is made use of to aid hold the lubrication within the coupling.
To discover far more about all the various kinds of couplings, visitthe EP Coupling Webpage.
Mechanical Energy Transmission ¡§C Shaft Coupling substitute technologies.
Replaces Spicer, Lovejoy, Beam, Bellows and Jaw type shaft couplings
EP Coupling would be the hottest in shaft coupling style, beam, bellows and jaw couplings all operate at high pace but reduced angle of misalignment.
Around the other finish universal joints can manage greater quantities of misalignment but at reduced speeds and constant upkeep.
EP Coupling as a hybrid flexible coupling can do both.
Enhancing on current coupling engineering we provide a number of various versions which permits a 0 to 25?? operational angle of usage
No inner components ¡§C No bearings for being frequently lubricated and change , this saves you time and money.
One Piece layout suggests no broken yokes or hubs.
Substantial speed- Runs at as much as 7000 RPM
Torsionally rigid at very low angles of misalignment
Scalable ¡§C the EP unit might be scaled up or down to suit person customer needs.?
Customizable ¡§C Have a precise form/function the spring/ball settings is often transformed to match most applications.
Different shaft varieties or sizes, we do AGMA/ANSI, SAE, & DIN bore/keyway and spline bore?¡¥s.
Being produced from two counter wound springs means it absorbs shock force without damage
Spring layout lets greater angle of usage without damaging elements?
ISO9001 2007 manufactured
The patented EP layout will allow for larger angle of usage without deformation with all the torque transfer seen with Universal Joints, giving the performance of the Universal joint without the consistent upkeep.
So how does it do the job? The style is quite simple, the sets of springs are counterwound so 1 tightens while another loosens and visa versa.
This permits the coupling to get the job done in each forward and reverse.
Its simplicity doesn?¡¥t finish there, the only thing in the center on the coupling is often a single ball bearing this lets the coupling to pivot allowing for maximum flexibility, 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 components leads to rapid failure.
So no bearings indicates no constant upkeep or worse substitute.
One particular 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 flexible coupling is powered through the springs, but because it can be a pair of springs it effectively is really a metal bar, add the ball bearing it turns into a flexible metal bar.
So this usually means much more torque and still have the flex that would destroy a standard universal or continuous velocity joint.
Large speed/low speed ¡§C Now flex coupling technological innovation is split into 2 main areas, high speed, lower torque, small angle of misalignment and decrease velocity, greater torque, larger angle of misalignment.
Unique couplings applications, same product ¡§C Flexible/High speed couplings are Beam couplings, elastomeric, bellows couplings and jaw type couplings which can run at high 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 take care of is quite small.
EP?¡¥s versatile coupling remains torsionally rigid at reduce angles at substantial speed, with far a lot more torque than say a standard beam coupling, together with the added flexibility if required.
Lower velocity couplings like universal joints can function at large torque and larger degrees of misalignment but they have inner components that need to become consistently maintained.
If not greasing for lubrication and bearing replacement along with the angles of misalignment they can operate at is constrained as well, as too much will lead to bearing failure.
Our flex coupling can meet the greater torque demands as well as increased flexibility while needing no maintenance as you would have to with using universal joints.
1 product multiple uses. Why would you use different products if you didnt need to when 1 product will do it all, a no maintenance, higher pace, higher 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 manage 500ft lbs of static torque .
We are looking at what the market demands so bigger or smaller we will be adding more as time goes on.
We have all the splines and keyways you need to match your tools.
We want to operate with you, so get in touch with us and lets function collectively 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 while in 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 speed. The silicone fluid resists the shear generated in it by the plates with differentiating speed, causing a torque transfer through the faster spinning axle to the slower spinning axle. Therefore, slight speed difference is needed for torque transfer.
If the rear wheels and driveshaft are slipping and turning faster than the front, friction between the plates increases due to the generated shear inside the fluid, slippage is reduced, the rear wheel spin is reduced and the torque from 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 the Center Differential
In this case, in normal conditions, all power is transferred to just one axle. 1 part from the viscous coupling is connected towards the driving axle, another part is linked towards the driven axle. When driving wheels slip, viscous coupling locks and torque is transferred towards the other axle. This is an automatic all wheel drive system.
The disadvantage of the viscous coupling is that it engages too slowly and will allow 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 that has 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 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 energy to all wheels and lets them turn at distinctive speeds while cornering. When excessive wheelspin occurs on 1 from the axles, viscous coupling locks the differential and equalizes the speeds of both 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 Flexible Shaft Couplings
Designed to grip evenly around your shaft, these couplings present a lot 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 offer much more holding electrical power than set screw couplings without marring the shaft.
Set Screw Vibration-Damping
Precision Versatile Shaft Couplings
Set Screw Vibration-Damping Precision Versatile Shaft Couplings
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 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 Flexible Shaft Couplings
Ready to manage higher twisting forces as well as misalignment, these couplings are good for high-performance servomotor applications.
High-Speed Precision Flexible Shaft Couplings
Using a bellows amongst two hubs, these couplings deal with all types of misalignment and 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 more misalignment than other precision couplings?auseful for low-torque, high-precision applications including instrumentation and motion control.
Electrically Isolating Servomotor
Precision Flexible Shaft Couplings
Electrically Isolating Servomotor Precision Versatile 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 take care of four times additional pace than standard servomotor couplings.
Flexible Shaft Couplings
Set Screw Versatile Shaft Couplings
Each and 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 present extra holding energy 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 Versatile Shaft Couplings
Designed to grip evenly around your shaft, these couplings deliver much more holding energy than set screw couplings without marring the shaft.
Set Screw High-Parallel-Misalignment
Flexible Shaft Couplings
Set Screw High-Parallel-Misalignment Flexible 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 take care of larger angular misalignment than other three-piece couplings. Good for applications with varying shaft misalignment, they’re frequently employed with conveyor rollers and roller feeds in printing and packaging machines.
Machinable-Bore Versatile 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 Flexible 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 towards the problem.
Cleaned and Bagged Versatile
Heat-Resistant Shaft Couplings
Cleaned and Bagged Flexible Heat-Resistant Shaft Couplings
Flexible Shaft Couplings for Continuous Motion
High-Speed Vibration-Damping
Flexible Shaft Couplings
High-Speed Vibration-Damping Flexible 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 components on your shafts by reducing vibration and shock.
High-Torque Versatile Shaft Couplings
Which has a rugged roller-chain style, these couplings offer excellent torque and angular misalignment capacities.
Ultra-High-Torque Flexible Shaft Couplings
By using a rigid gear layout, these steel couplings transmit additional torque than other couplings with the same size.
Lightweight Versatile Shaft Couplings
Created with lightweight nylon sleeves, these gear couplings need 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 for the other; there?¡¥s no make contact with involving the elements, so they won?¡¥t wear. Couplings compensate for angular and parallel misalignment.


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China Sprocket 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.

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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.

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