Mechanic of Advanced and Smart Materials
Quarterly

Design and Finite Element Analysis of Cycloidal Gearboxes

Document Type : Original Article

Authors

S. H. Hosseini 1
D. Manshoor 2
Jalal Joudaki 3

1 Department of Mechanical Engineering, Iran University of Science and Technology, Tehran, 16846-13114, Iran

2 Department of Mechanical Engineering, Islamic Azad University Science and Research Branch, Tehran, 14778-93855, Iran

3 Department of Mechanical Engineering, Arak University of Technology, Arak, 38181-41167, Iran

https://doi.org/10.61186/masm.4.2.238
Abstract
Cycloidal gearboxes are part of power transmission systems that use a cycloidal disk instead of an involute gear to transmit power. The use of cycloidal gearboxes is limited due to complicated profile shapes, difficulties in fabrication, and lack of data in the design process of industrial gearboxes. The special mechanism of cycloidal disks provides a high conversion ratio in small dimensions in cycloidal gearboxes. In this research, the design of a cycloidal gearbox will be discussed. Firstly, the mechanism of cycloidal gearboxes will be introduced and its advantages will be described, the operation mechanism and main components will be explained and then a cycloidal gearbox for conversion of 1500rpm into 32rpm (conversion ratio 47) will be designed according to basic equations. The designed gearbox is modeled in SolidWorks software and analyzed in finite element software (Ansys software). The finite element results show that the principal stress and shear stress of the cycloidal disk and other parts of the gearbox were in the safe region of the design criteria. In addition, the rotational speed of the gearbox is not constant due to the eccentricity of the input shaft, and the average rotational speed is calculated based on the finite element results and agrees with the design value.

Keywords

Cycloidal Gearbox Design
Cycloid curve
Transient Analysis
Stress Analysis
Transmission Ratio
Mechanic of Advanced and Smart Materials
Volume 4, Issue 2
Summer 2024
Pages 238-255

  • Receive Date 02 May 2024
  • Revise Date 03 June 2024
  • Accept Date 13 August 2024

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