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A planetary gear reducer is a kind of speed reducer, that belongs to gear reducers, also called planetary gearboxes, planetary gear, planetary gearhead, electric motor gear reducer,and planetary gearbox reducer, planetary speed reducer, It includes a sun gear, a ring gear, and several planet gears that rotate around the sun gear.

Consider planetary gear reducer has high efficiency, compact design, lightweight, high carrying capacity, low noise, large output torque,  long service life, smooth operation, high efficiency, and safe features, They become an important power transmission component and can be widely used in various automation industries field. Like robotics,  3D printing equipment, machine tools, electric vehicles, semiconductor equipment, packaging, food and beverage, medical, aerospace and other industries.

Do you know which are the top 5 planetary gear reducer manufacturers in the world? 

This article will introduce famous planetary gearbox reducer manufacturers to you. 

1. Bonfiglioli Gear Reducer

Bonfiglioli has nearly 70 years since 1956, and we have welcomed change with enthusiasm alongside our pursuit. This is the key to our success. As a leading planetary gear manufacturer, it has good performance in gear motors, drive systems, planetary gearboxes, and inverters. It had rapid technology development from  2000 - 2016, and Shanhai Bonfiglioli Drives was formed in 2003. putting the energy and resources into the location is their feature. Until now, the Bonfiglioli family includes 24 sales branches, 15 production plants, and more than 550 distributors all over the world. 

Their main product are industrial gear motors, electric motors, travel drives, transit mixer drives, industrial heavy-duty geared products, inverters & servo drives, slew drives construction equipment transmissions, precision planetary gearboxes & gear motors, etc.

You can see Bonfiglioli anywhere, agriculture & forestry, biogas, construction, e-mobility, food & beverage, intralogistics, logistics, marine & offshore, metalworking, mining, packaging, recycling, textile, wind, and woodworking.

During the woodworking, you can see the spindle control; planetary gear reducer for the timing belt pulley; spindle control inverter for the edge banding machine; and other parts for Boring & Drilling Machines, Finishing Machining Centers.

2.Nidec-Shimpo planetary gear reducer

Nidec-Shimpo was built in Japan in 1952, Nidec-Shimpo focuses on the global planetary speed reducer, motion control and servo motor market. It has its plant at Ping Hu in China, approximately two hours far away from Shanghai. Shimpo gear reducer has more than 30 service locations throughout Asia-Pacific, Europe, and the Americas

In the early, it focused on pottery equipment and held a historic position until now. As time going, Nidec-Shimpo could vertically integrate into machinery and systems. Now, power transmission, ceramics equipment, and press machinery become their excellent distinguished business units.

Power transmission can be used in industry sectors, like machine tools, aerospace, assembly & test, food & beverage, robotics, medical/pharma, material handling, and printing.

Each planetary gear, worm gear, and rotary stage gear, can achieve the highest level of precision compared with other competitive class products.

Inline planetary gearboxes just by their high precision have become widely used in the robotics segment and throughout the Asia-Pacific.

VRB series Inline Helical planetary gear reducer is a general-purpose, simple mount.

VRL Inline Helical planetary gear reducer is the ighest radial, axial load capacity

VRSF Inline Helical planetary gear reducer is economy class

3.SEW-EURODRIVE Gear Reducer

SEW-EURODRIVE has almost 90 years of history, it was built in Germany and set the standard for driving technology all over the world. When we talk about the SEW, the first impression is "electric motors", yes, electric motors are SEW’s beginnings. Until now SEW has been developed in various fields: SEW gear reducer,gear units, motors, gear motors, electronically controlled drives, components for decentralized installation,  and mechanical variable-speed gear motors.

SEW-Eurodrive gear reducer is one of the world's leading brands in drive technology, it supplies drive systems that step forward the world moving every day. Now it has become a worldwide leader in power transmission products and services.

The great innovation, huge production power, and proximity to our customers make SEW go forward to till now. 

4.Wittenstein Alpha planetary gear reducer

Wittenstein was established in Germany in 1949, it has a 75-year-old history in motion systems, and it became a global brand in 2008. Maximum dynamics precision and exceptional torque let the WITTENSTEIN servo gearbox become a reliable product in practice. ALPHA is part of the Wittenstein Group of Germany, low-backlash planetary gear reducer and right-angle gearboxes stand for their highest levels of precision. Wittenstein gearboxes and servo actuators for Delta robots for more than 15 years. 

Main product: planetary gear reducer, servo motors, servo regulators, sensors, software, servo actuators, servo drive systems, linear systems, and servo motors.

5.Apex Dynamics planetary gear reducer

APEX DYNAMICS was built in Taiwan in 1987, it had a good reputation in the robot industry in the early times, APEX entered into the high-precision planetary gearboxes for servomotors which meets the advancement of the industry. APEX focuses on brand image and is stepping forward to a worldwide Brand. Planetary gear reducer is released in 2014.12 officially.

Apex Dynamics' major products include gearbox, rack and pinion, smart lubrication, traversing robots, turrets, and coupling are their main product. However its planetary gear reducer’s accuracy and quality are quite good. Its main product models are AB AD ADR PN PE PG ABR AF AFR AE AER AT, etc.

In Summary

How to choose the right planetary gear reducer is related to the success of any automation system. You need to consider many factors such as torque, speed, efficiency, and durability.

Planetary gear reducer market size was valued at USD 792 Billion in 2023 and is expected to reach USD 1264.2 Billion at the end of 2030. Planetary gear reducers are changing rapidly, Efficiency and durability,  and cutting down on downtime are the key points, it can develop as such trends, and it will need more industries. 

The above is a famous planetary gearbox manufacturer. If you are interested in buying planetary gear reducer and other related products, please visit and contact us, we’d be glad to service you.