Shaft Couplings

Forms of Couplings
Group: Couplings
Post Tags:Couplingcouplingsdiaphragm couplingsdisc couplingsgear couplingsgrid couplingsjaw couplingsmaterial flexing couplingsmechanical flexing couplingsroller chain couplingssleeve couplingstire couplingstypes of couplings
Coupling fall into two key classes: Materials Flexing and Mechanical Flexing. The materials flexible sorts get their versatility from stretching or compressing a resilient materials, such as rubber, or from the flexing of thin metallic discs or grid. Material flexing couplings never require lubrication, 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 need lubrication.

Materials Flexing Couplings
Materials flexing couplings normally never require lubrication and operate in shear or compression and 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 actually a materials flexing coupling that transmits torque thru compression of an elastomeric spider insert positioned among two intermeshing jaws.
Flex component is commonly made of NBR, polyurethane, Hytrel or Bronze
Accommodates misalignment
Transmits torque
Utilised for torsional dampening (vibration)
Lower torque, general goal applications
– Sleeve Coupling
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The sleeve coupling transmits reduced to medium torque concerning connected tools 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 as well as insert can be quite a one particular or two piece style and design.
Reasonable misalignment
Torsional dampening (vibration)
End float with slight axial clearance
Minimal to medium torque, basic function applications
– Tire Coupling
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These couplings have a rubber or polyurethane component connected to two hubs. The rubber component transmits torque in shear.
Lowers transmission of shock loads or vibration.
High misalignment capacity
Easy assembly w/o moving hubs or linked tools
Reasonable to large velocity operation
Wide array of torque capability
– Disc Coupling
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The disc coupling?¡¥s principle of operation has the torque transmitted by flexing disc factors. It operates by way of tension and compression of chorded segments on the widespread bolt circle bolted alternately between the drive and driven side. These couplings are typically comprised of two hubs, two discs packs, and also a center member. Just one disc pack can accommodate angular and axial misalignment. Two disc packs are desired to accommodate parallel misalignment.
? Lets angular parallel and axial misalignment
? Can be a genuine limited finish float layout
? A zero backlash design and style
? Higher velocity rating and balance
– Diaphragm Coupling
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Diaphragm couplings employ a single or possibly a series of plates or diaphragms for that versatile members. It transmits torque from your outdoors diameter of the versatile plate towards the within diameter, across the spool or spacer piece, and after that from inside to outside diameter. The deflection with the outer diameter relative on the inner diameter is what occurs when the diaphragm is subject to misalignment. One example is, axial displacement attempts stretch the diaphragm which final results in a combination of elongations and bending of your diaphragm profile.
? Allows angular, parallel and higher axial misalignments
? Utilized in higher torque, high 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 sum of torque plus the highest quantity of torque from the smallest diameter of any versatile coupling.

Just about every coupling includes two hubs with crowned external gear teeth. The hubs mesh with two internally splined flanged sleeves which have been bolted collectively. Gear couplings accommodate angular and axial misalignment by the rocking and sliding of your crowned gear teeth against the mating sleeve teeth. Parallel misalignment is accommodated by having two adjacent hub/sleeve flex points. Gear couplings call for periodic lubrication depending on the application. They are delicate to lubrication failures but if correctly put in and maintained, these couplings possess a support lifestyle of three to 5 many years and in some instances they could final 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 provides torsional damping and versatility of an elastomer however the strength of steel. Grid couplings transmit torque and accommodate angular, parallel and axial misalignment from a single hub for the other by the rocking and sliding of the tapered grid in the mating hub slots. The grid cross segment is usually tapered for superior hub get hold of and much easier assembly. As there’s motion between contacting hub and grid metal components, lubrication is needed.
– Roller Chain Coupling
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Roller Chain kind couplings consist of two radially sprocketed hubs that engage a strand of double pitch roller chain. Chain couplings are utilized for reduced to moderate torque and velocity applications. The meshing of the sprocket teeth and chain transmits torque along with the linked clearances accommodate angular, parallel and axial misalignment.

Chain couplings call for periodic lubrication depending on the application. The lubrication is usually brushed onto the chain along with a cover is used to assist continue to keep the lubrication to the coupling.
To find out more about all of the various kinds of couplings, visitthe EP Coupling Page.
Mechanical Power Transmission ¡§C Shaft Coupling replacement engineering.
Replaces Spicer, Lovejoy, Beam, Bellows and Jaw type shaft couplings
EP Coupling will be the latest in shaft coupling layout, beam, bellows and jaw couplings all function at large velocity but reduced angle of misalignment.
Over the other end universal joints can handle larger amounts of misalignment but at reduce speeds and constant upkeep.
EP Coupling as being a hybrid versatile coupling can do both.
Strengthening on current coupling engineering we present a number of distinct versions which lets a 0 to 25?? operational angle of utilization
No inner components ¡§C No bearings to be consistently lubricated and substitute , this saves you time and money.
A single Piece style and design usually means no broken yokes or hubs.
Substantial speed- Runs at up to 7000 RPM
Torsionally rigid at minimal angles of misalignment
Scalable ¡§C the EP unit might be scaled up or right down to suit person customer specifications.?
Customizable ¡§C Have a unique form/function the spring/ball settings may be changed to fit most applications.
Diverse shaft sorts or sizes, we do AGMA/ANSI, SAE, & DIN bore/keyway and spline bore?¡¥s.
Being produced from two counter wound springs usually means it absorbs shock force without damage
Spring style allows greater angle of utilization without damaging elements?
ISO9001 2007 manufactured
The patented EP design and style will allow for larger angle of usage without deformation using the torque transfer seen with Universal Joints, giving the performance of the Universal joint without the consistent upkeep.
So how does it operate? The design is quite simple, the sets of springs are counterwound so one tightens while another loosens and visa versa.
This lets the coupling to work in each forward and reverse.
Its simplicity doesn?¡¥t finish there, the only thing while in the center of the coupling is actually a single ball bearing this will allow the coupling to pivot allowing for maximum flexibility, this signifies 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 usually means no consistent servicing or worse substitute.
One particular 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 far better The versatile coupling is powered through the springs, but because it is usually a pair of springs it effectively is a metal bar, add the ball bearing it turns into a versatile metal bar.
So this implies extra torque and still have the flex that would destroy a standard universal or constant velocity joint.
Large speed/low velocity ¡§C Now flex coupling technology is split into 2 main areas, large pace, lower torque, small angle of misalignment and reduced velocity, greater torque, larger angle of misalignment.
Diverse couplings applications, same product ¡§C Flexible/High velocity couplings are Beam couplings, elastomeric, bellows couplings and jaw sort couplings which can run at higher 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 sum of torque these flex couplings can manage is quite small.
EP?¡¥s flexible coupling remains torsionally rigid at decrease angles at large speed, with far more torque than say a standard beam coupling, with all the added versatility if desired.
Reduced pace couplings like universal joints can get the job done at high torque and larger degrees of misalignment but they have inner parts that need to become continually maintained.
If not greasing for lubrication and bearing substitute and the angles of misalignment they’re able to do the job at is limited as well, as too much will lead to bearing failure.
Our flex coupling can meet the increased torque demands as well as the increased versatility while needing no servicing as you would have to with using universal joints.
A single product multiple uses. Why would you use diverse products if you didnt need to when a single product will do it all, a no servicing, substantial speed, substantial torque, higher angle of misalignment capable flexible 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 applied at 25??.
czep300 is capable of handling 300 ft lbs of static torque and operate at angles of 25??
czep500 can take care of 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 fit your gear.
We want to get the job done with you, so make contact with us and lets work together 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 in the silicone fluid. Some plates are attached for 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 pace. The silicone fluid resists the shear generated in it by the plates with differentiating velocity, causing a torque transfer through the faster spinning axle to your slower spinning axle. Therefore, slight velocity difference is needed for torque transfer.
If the rear wheels and driveshaft are slipping and turning faster than the front, friction amongst the plates increases due on the generated shear within the fluid, slippage is reduced, the rear wheel spin is reduced plus the torque from your input shaft is transferred to your front.
A viscous coupling is usually put in 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 electrical power is transferred to just 1 axle. One part of the viscous coupling is linked towards the driving axle, another part is connected to your 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 a 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 inside 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 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 happens on one particular on the axles, viscous coupling locks the differential and equalizes the speeds of the two axles. Torque is transferred to wheels that have traction. This is really 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 deliver much more holding 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 Flexible Shaft Couplings
Designed to grip evenly around your shaft, these couplings give a lot 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 Flexible Shaft Couplings
Each and every 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 minimizes vibration and compensates for large parallel and angular shaft misalignment.
Servomotor Precision Flexible Shaft Couplings
In a position to take care of large twisting forces as well as misalignment, these couplings are good for high-performance servomotor applications.
High-Speed Precision Flexible Shaft Couplings
With a bellows in between two hubs, these couplings handle all kinds of misalignment and are good for precision stepper and encoder motion-control applications.
High-Misalignment Precision
Flexible Shaft Couplings
High-Misalignment Precision Versatile 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 for example instrumentation and motion control.
Electrically Isolating Servomotor
Precision Versatile 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 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 handle four times far more velocity than standard servomotor couplings.
Versatile Shaft Couplings
Set Screw Flexible Shaft Couplings
Each 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 give more holding power 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 existence 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 provide additional holding power 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 Versatile Shaft Couplings
Also known as Schmidt couplings, these handle increased angular misalignment than other three-piece couplings. Good for applications with varying shaft misalignment, they’re commonly utilised 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 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 have a metal-detector-grade rubber spider. Small pieces of metal within the rubber will set off a metal detector, alerting you on the problem.
Cleaned and Bagged Versatile
Heat-Resistant Shaft Couplings
Cleaned and Bagged Versatile Heat-Resistant Shaft Couplings
Flexible 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
By using a rugged roller-chain layout, these couplings offer excellent torque and angular misalignment capacities.
Ultra-High-Torque Versatile Shaft Couplings
That has a rigid gear style and design, these steel couplings transmit additional torque than other couplings in the same size.
Lightweight Versatile Shaft Couplings
Created with lightweight nylon sleeves, these gear couplings demand 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 get in touch with concerning the parts, so they won?¡¥t wear. Couplings compensate for angular and parallel misalignment.