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Cyclo Reducers

A reliable source for Speed Reducer information and leading Speed Reducer Companies & Manufacturers.

Cyclo reducers-which is short for cycloidal reducers-are a variation of speed reducers that are designed to lower motor speed through an increase in torque and a decrease in output speed. Read More…

Cyclo Reducers Cyclo reducers are mechanisms used for reducing the speed of an input shaft by a certain ratio through use of rolling elements.
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Leading Manufacturers

Bloomingdale, IL  |  630-980-1133

We offer premium speed reducers and motion control components. These deluxe parts are designed for a wide range of purposes and our engineers are willing to assist you with determining the best speed reducer.

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DieQua Corporation $$$

Cleveland, OH  |  800-423-3169

Cleveland Gear Co. has specialized in speed control technology including a variety of quality manufactured speed reducers since 1912. We have successfully developed speed reducers for material handling, mineral processing, and more. You will find that our products have uncompromising quality, making all others less than the best. We will fulfill your exact requirements and that's what continues to make Cleveland Gear one of the top manufacturers in our industry.

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Cleveland Gear Company $$$

Peabody, MA  |  978-532-1800

Harmonic Drive is a world leader in the design and manufacture of zero backlash, high-ratio harmonic drive gear heads, speed reducers and gear reducers. Standard and customer-specific units are available with less than 1 arc minute positional accuracy and +/- 5 arc seconds repeatability.

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Harmonic Drive, LLC $$$

Wanamassa, NJ  |  732-493-2812

We manufacture highly advanced cyclo reducers which utilize new modifications which allow for 2-speed capabilities. This new technology efficiently provides a high amount of torque at a low speed. Our engineers put a focus on developing the most innovated and cost efficient solutions. We take pride in saying that we are an industry leader that is a global supplier. Feel free to give one of our representatives a call today!

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Andantex USA, Inc. $$$

Fraser, MI  |  586-293-5260

At Dorris Gear Drives, we strive to provide you with the precision-machined components you need to take your projects to a higher level. Companies from the largest mills to the smallest manufacturers rely on Dorris to satisfy their gear drive needs. If you are looking for reliability, engineering excellence and design innovation, choose Dorris Gear Drives-where the tradition continues.

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Dorris Gear Drives $$$
placeholder image DieQua Corporation Cleveland Gear Company Harmonic Drive, LLC Andantex USA, Inc. Dorris Gear Drives

Cyclo reducers gain their effectiveness through use of a round disc that rotates off center, slowing the input speed and bringing it down to a more manageable level, useful or necessary for components that receive the output. These mechanisms are generally identified by the ratio of the input speed to the output speed called the reduction ratio.

Cyclo reducers are capable of providing high reduction ratios with high accuracy while remaining a compact size; they are generally ineffective at achieving ratios below 50:1, a ratio other devices such as shaft mounted speed reducers cannot reach in a single stage. They are constructed out of and housed in heavy duty steel or other strong metals, such as aluminum or cast iron.

cyclo reducers Cyclo Reducers - DieQua Corporation

Cyclo reducers are used within material handling, automotive, aerospace, recreational, construction, food and beverage processing, oil and gas and textile industries. They assist in automation equipment, conveyors, presses, pumps, generators and robotics and are frequently used in boats with propellers.

A cyclo reducer is made up of an input shaft, an eccentrically mounted bearing, a cycloidal disc, ring pins, output rollers and an output shaft. The input shaft drives the bearing that turns the disc. Because it is mounted eccentrically, the disc does not rotate around a single center point but rotates off center, closer to some ring pins than others. Output rollers fit through holes that are slightly larger in diameter than the rollers in order to achieve a steady rotation of the output shaft from the wobbling movement of the disc. The lobes around the disk's edge correspond with the ring pins that are attached to the chassis except that there is one more pin than there are lobes; this causes the cycloidal disc to rotate around the bearing faster than the rotation of the input shaft and in the opposite direction.

The ratio of the input speed to the reduced output speed is equal to the number of ring gear pins minus the number of lobes on the cycloidal disc divided by the number of lobes on the disc, written in a formula as R=(P-L)/L. Cyclo reducers are similar to other speed reducing mechanisms such as gear drives and reduction gears except that unlike many others, the input and output shafts cannot be reversed because the disc will not rotate correctly.

Cyclo Reducers Informational Video