Planetary gear for power and precision

Planetary gearboxes PRE

Planetary gearboxes - PRE series
For more flexibility in standard applications


  • Low running noise
  • High torque
  • Adapter-socket connection
  • High efficiency
  • Maintenance-free
  • Can be mounted in any position

Smalltec now also offers planetary gearboxes in its product portfolio. Our PRE series planetary gearboxes are manufactured exclusively by Nidec, so you can be sure of consistently high quality. 
With highly specialised high-end gearboxes on the one hand and high-performance standard gearboxes on the other, we offer our customers the right gearbox solution for every requirement from a single source.

If you are looking for other types that you cannot find on our website, please contact us! Perhaps we can still help you.

General information on planetary gearboxes:

  1. Definition and Structure:

    • Planetary gears, also known as epicyclic gears, are commonly used in industrial power transmission systems.
    • Key components of a planetary gear system include:
      • The sun gear, which is driven by the motor.
      • The planet gears, mounted on a carrier, responsible for transmitting power to the output.
      • The ring gear, which limits the orbit of the planet gears and often forms part of the gear housing.
    • The number of planet gears does not affect the overall gear ratio but determines torque transmission.
  2. Characteristics:

    • Planetary gear systems have multiple gear engagements simultaneously, resulting in higher efficiency and increased torque capacity.
    • The gear ratio is determined by the ratio between the ring gear and the sun gear.
  3. Industrial Applications:

    • Planetary gear systems find use in various industrial applications, including:
      • Printing machinery
      • Flame cutting and laser cutting machines
      • CNC machine tools
      • Food packaging
      • Automation industry
      • Aerospace equipment
      • Semiconductor equipment
      • Medical devices .

In summary, planetary gear systems are versatile and powerful components that play a crucial role in different industrial sectors.

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