Benefits of Cyclo gears | Sumitomo delivers results to customers around the world

Key features of cycloidal gears

This type of Sumitomo gear far outperforms conventional gears. Due to their rolling motion, cycloidal gears have a significant advantage over cogwheel gears.

In contrast to conventional spur gears, where one or two teeth absorb the full load, a cycloidal gear distributes the load over at least 30% of the disc profile. Cycloidal gears and gearmotors offer outstanding performance, reliability and a long lifetime, even in the toughest operating conditions. Today, they’re considered a proven solution that should be favoured over other gear types in a number of scenarios – for good reason. Here’s why:

High Reduction Ratios

Cycloidal gearboxes are capable of providing very high reduction ratios in a single stage, often ranging from 30:1 to over 100:1, and even higher in multi-stage configurations. This is significantly higher than what is typically achievable with other types of gearboxes in a single stage, making them ideal for applications requiring substantial speed reduction and torque amplification.

Compact Design

Despite these high reduction ratios, cycloidal gearboxes maintain a compact and efficient design. This is due to the efficient transmission of force through the cycloidal discs and the reduction mechanism’s inherent stability and balance.

Precision and Low Backlash

The gear ratio, combined with the operational characteristics of the cycloidal motion, results in very low backlash. This makes cycloidal gears suitable for applications requiring high precision and repeatability, such as robotics, machine tools, and automation systems.

Durability and Load Capacity

The cycloidal design evenly distributes loads across multiple contact points between the cycloidal disc and the pins. This distribution, along with the gearbox’s inherent mechanical advantage, enhances its durability and ability to withstand high loads.

Find out more

To discuss your potential applications of this technology please contact your local Sumitomo Cyclo expert.