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Flywheel Coupling

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Flywheel couplings and other flexible couplings are used in the transmission and engine of all varieties of vehicles. Flywheel couplings are either one or two piece engine components that are composed of a flange, hub and steel or aluminum housing. They are attached to a rotating shaft and smooth the delivery of the torque from the motor or engine. Flywheel couplings vary in size and weight, depending on the application and intended use. Read More…

Flywheel Coupling Flywheel couplings connect two shafts together while absorbing vibration and shock and providing a steady dampening effect. They are engine components that store energy and angular momentum, while ensuring steady shaft rotation when there is uneven torque. Flywheel couplings are necessary because some types of shafts tend to shift during operation, causing misalignment. Shaft movement is caused by bumps or vibration and it results in parallel, angular or skewed shaft misalignment.
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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 requirements perfectly! Call or email us today for more information!

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DieQua Corporation $$$

Bartlett, IL  |  888-534-1222

Wittenstein, formerly known as Alpha Gear Drives, is known worldwide for its research, development, production and sales of high-precision planetary gear reducers and motion control systems. For 25 years we have been a speed reducer manufacturer of right angle gear boxes, worm gearboxes, servo worm gear speed reducers, high precision rack and pinion, linear actuators and rotary servo actuators.

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Wittenstein, Inc. $$$

Santa Maria, CA  |  877-353-9873

Helical Products was conceived in 1958 when George Sabadash developed the concept and method of producing the HELI-CAL Flexure as a single piece flexible coupling/coupler. In addition to our standard shaft couplings, we can design and manufacture special or custom couplings to meet your requirements that exceed the capabilities of our standard lines. A consultation with our Helical factory engineers is at "no charge." We urge you to use this service or call the Helical representative near you.

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Helical Products Company, Inc. $$$

Wilmington, MA  |  800-695-5551

Since 1975, Stafford has been your super source for superior shaft couplings and has grown and developed to be much more, providing a wide assortment of components for power transmission, motion control and other applications. Stafford has the industry-leading capabilities for custom manufacturing, so let its experienced professionals put their experience and expertise to work for you.

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Stafford Manufacturing Corp. $$$

Morristown, TN  |  800-251-9012

Renold Jeffrey is an international manufacturer and distributor of engineering products. Our history and experience dates back to 1864 and our tradition of quality continues. All of the items in our large product line are engineered for precision and performance including our roller and conveyor chains, gearboxes, flexible shaft couplings, material handlers and freewheels among many others.

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Renold Jeffrey $$$
placeholder image DieQua Corporation Wittenstein, Inc. Helical Products Company, Inc. Stafford Manufacturing Corp. Renold Jeffrey

They are heavy, take up little space and are able to work efficiently and safely in temperatures from -40 to 250°F. They are mainly used within the construction and automotive industries. Construction equipment such as skid steel loaders, aerial lifts, excavators, harvesters, bucket loaders, wheeled loaders and baggage handlers all use flywheel couplings as do aerial lifts, sweepers and power mulchers.

Flywheel Coupling Flywheel Coupling - Rowland Company

Flywheel couplings need very little change in speed to operate correctly and are designed to carry enough energy to power a car between the firing of each cylinder. In manual transmission, a friction plate is placed between a flywheel coupling and pressure plate. This allows the engine shaft to turn the transmission. The weight and size of flywheels directly correlate with the size and weight of the vehicle. The larger, heavier truck flywheel couplings are heavier so they may store more energy and offer faster acceleration.

There are many different kinds of shaft couplings. The Oldham coupling consists of three components: two hubs and a central plastic disk. It accommodates slight parallel misalignment, while providing almost zero backlash. Backlash is the amount of lost motion due to clearance or slackness when movement is reversed and contact is re-established.

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.

Flywheel Coupling Informational Video