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Gear Couplings

A reliable source for Gear Couplings information and leading Gear Couplings Companies & Manufacturers.

Gear couplings offer efficient torque transmission in a compact mechanism and permit a high degree of axial movement. However, gear couplings require piloting and may malfunction at very high or very low torques. Crowned tooth flanks allow angular displacement to occur between each gear. Read More…

Gear Couplings Gear couplings connect two shafts together through interlocking teeth that transmit power, absorb vibration and allow for slight angular displacement. Gear couplings transport torque between two shafts that are not coaxial or collinear. Each shaft consists of a flexible joint, which is fixed to the shaft. The joints of the shafts are connected by a spindle, a third shaft.
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Leading Manufacturers

Bloomingdale, IL  |  630-980-1133

Our shaft couplings are the best around! Not only do we provide you with exceptional levels of customer service but we also provide you with manufacturing and a repair service that you can count on. We are also capable of providing you with special designs. That’s right! Our design team will work closely with you in order to ensure that you are getting the product that will fit your specific...

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DieQua Corporation $$$

Belmont, NC  |  704-394-0322

Manufacturing shaft couplings for more than 80 years, Ramsey Products Corporations is a leading supplier for industries. Products we offer include, flexible couplings, flexible shaft couplings, drive shafts, & gear couplings. All our products are backed by our commitment to exceptional customer service & support. We want to be your most outstanding supplier & welcome the opportunity to serve you.

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Ramsey Products Corporation $$$

Erie, PA  |  814-480-5000

Ameridrives Couplings is an international manufacturer of mechanical power transmission products, pioneering many improvements over the years. Complete line of coupling products includes Amerigear gear couplings & spindles, Ameriflex diaphragm couplings, Ameridisc high performance disc couplings & universal joints. We are your single source solution for Driveline Connections.

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Ameridrives Couplings $$$

Mahwah, NJ  |  800-465-6297

Mayr manufactures several variations of backlash-free shaft couplings and other power transmission products. Roba-D is our all-steel flexible coupling. Smartflex is for servo and stepper motors. Roba-DS and Roba-DX are torsionally rigid shaft couplings. Roba-ES provides vibrational damping.

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Mayr Corporation $$$

Arden Hills, MN  |  800-444-2474

Colder Products Company specializes in quick couplings & fittings. Quick connect and disconnect couplings include plastic couplings, medical & food-grade couplings, steam-thru couplings, metal couplings, drum connectors, IdentiQuik™ couplings and more. Complete coupling solutions. To learn more about how we may be able to benefit you; get in touch with our customer service representatives today!

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Colder Products Company $$$
placeholder image DieQua Corporation Ramsey Products Corporation Ameridrives Couplings Mayr Corporation Colder Products Company

Two coaxial shafts can also be connected by a single joint gear coupling, known as a gear-type flexible or flexible coupling. Slight misalignments of 0.5° to 5° are tolerated by this type of gear coupling.

Gear couplings and universal joints are used in similar applications, most predominantly in the automobile industry. While gear couplings have higher torque density, universal joints induce lower vibration than gear couplings. The gear teeth in a gear coupling have high backlash, which can contribute to vibration, to allow for angular misalignment. Gear couplings are found in all rear-wheel and four-wheel driven passenger cars.

Continuous Sleeve Gear Coupling Gear Couplings - Lovejoy, Inc.

In a gear coupling, the two shafts being joined meet in the third shaft which contains gears. The teeth interlock with each other to rotate and, in doing so, they transfer torque, power and energy. Every gear coupling has differing stall speeds, which is the highest speed that the gears can turn when maximum input power is applied. Flexible shaft couplings such as gear couplings are necessary because during operation, some types of shafts tend to shift, causing misalignment.

Shaft movement is caused by bumps or vibration and it results in parallel, angular or skewed shaft misalignment. Flexible shaft couplings provide efficient accommodation for moderate shaft misalignment that occurs when the shafts' axes of rotation become skewed. There are many different kinds of shaft couplings. The bellows coupling has two hubs and a thin walled metallic bellows and can accommodate all three types of misalignment.

Single beam couplings are usually made of a single piece of aluminum and have a system of spiral cuts that allow it to bend in order to accommodate angular misalignment. Multiple beam couplings consist of two to three overlapping beams that address problems of torsional rigidity. The Oldham coupling consists of three components: two hubs and a central plastic disk. It accommodates slight parallel misalignment, while providing almost zero backlash.

Gear Couplings Informational Video

 

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