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Parallel Shaft Gearboxes & Speed Reducers

Our parallel-shaft gearmotors and reducers feature precision-helical gearing in a wide range of mounting configurations and accessories to fit your specific application.

Right-Angle Gearmotors & ReducersConcentric Gearmotors & Reducers

What is a Parallel Shaft Gearbox?

Parallel shaft gearmotors, also known as parallel shaft gearboxes, feature a design in which the input and output shafts are parallel to each other but offset. This design allows for higher torque capacity and a wider range of gear ratios than concentric gearboxes, making them suitable for applications that require higher torque and speed capabilities.

Definition and Design of Parallel Shaft Gearboxes

Parallel shaft gearmotors typically consist of two or more sets of gears, with each set mounted on a separate parallel shaft. The gears in the gearbox transmit power and torque from the input shaft to the output shaft through meshing teeth. The input and output shafts are mounted on opposite ends of the gearbox casing and are supported by bearings.

Advantages of Parallel Shaft Gearmotors

Parallel shaft gearmotors offer several advantages, including:

• High torque capacity: Parallel shaft gearmotors have a higher torque capacity than concentric gearboxes, making them suitable for high-torque applications.
• Wider gear ratio range: Parallel shaft gearmotors have a wider gear ratio range than concentric gearboxes, making them suitable for a wider range of applications.
• Versatility: Parallel shaft gearmotors can be used in a variety of applications, including conveyors, mixers, and pumps.
• Reliability: Parallel shaft gearmotors are known for their durability and reliability, making them a popular choice in industrial applications.

Disadvantages of Parallel Shaft Gearboxes

Parallel shaft gearmotors do have some disadvantages, including:

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• Increased noise and vibration: The offset design of parallel shaft gearmotors can result in increased noise and vibration compared to concentric gearboxes.
• Higher maintenance requirements: The more complex design of parallel shaft gearmotors may require more maintenance than concentric gearboxes.
• Larger size: Parallel shaft gearmotors are typically larger and take up more space than concentric gearboxes.

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Parallel Shaft Gearbox Options

Why Choose

Sumitomo

Parallel Shaft Gearmotors?

Sumitomo offers a range of high-quality, reliable parallel shaft gearmotors suitable for a wide range of industrial applications. With features such as high torque capacity, a wide gear ratio range, and versatility, Sumitomo parallel shaft gearmotors offer a reliable and efficient solution for your power transmission needs. 

Parallel Shaft Gearmotors

Helical Gearmotors

Parallel Shaft Speed Reducers

Helical Reducers

Parallel Shaft Drives

A parallel shaft drive is a type of gear motor that uses gears for speed reduction. Parallel shaft gear motors are called parallel shaft because the motor shaft and speed reducer shaft are located in parallel planes. This precise position enables manufacturers to create flat gearboxes that are suitable for areas with limited space like the stirrers used in industries for liquid mixing processes. The parallel shaft gear may use these three gearboxes to accomplish transmission, and the choice on which to pick depends on the final application and characteristics needed within the speed reducer; Helical gears - They feature teeth that are oblique to the axis of rotation thus transfer more speed and power. They are also longer lasting and more silent. Double Helical gears &#; They are used to eliminate the axial thrust as the rotation is elicited by the shaft. Spur gears &#;These are the most common and their toothed wheels have the teeth that are parallel to the drive shaft of the speed reducer. Parallel shaft drives are suitable for various applications including food processing, mining, wire and paper mill, textile, agriculture, automotive, tube, steel and oil field industries.

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