Application, Analysis and Validation of Pm Planetary Gear Drives with a High Gear Ratio (I)

Project Details


A compound planetary gear drive with a high gear ratio will be developed for medical aids and fitness equipments in the two-year project. Three technologies will be established:(1) Modular system: A cost-efficient modular product family is developed in the project to fulfill the diverse demands of customers. (2) Loaded tooth contact analysis (LTCA): Based on the developed LTCA model for conventional planetary drives, a specific computerized LTCA approach will be established for the compound planetary gear drives. The suitably modified flanks will be designed according to the analysis results of the influences of errors and deformations on the transmission performances and the contact characteristics. The LTCA results will be also compared with a CAE software.(3) Validation test of the prototype: A prototype of the compound planetary gearbox will be designed, manufactured and tested in order to validate the feasibility of the concept. The mass production of the gearbox will be based on the test results.
Effective start/end date1/06/1831/08/19

UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This project contributes towards the following SDG(s):

  • SDG 3 - Good Health and Well-being
  • SDG 17 - Partnerships for the Goals


  • Powdered metallurgy
  • Compound planetary gear drive
  • Modular system
  • Loaded tooth contact analysis
  • Validation test
  • Influences of errors and deformations
  • Medical aids
  • Fitness equipment


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