Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/17319
Title: Stress and strain state of single – stage cycloidal speed reducer
Authors: Blagojevic, Mirko
Marjanovic, Nenad
Djordjevic, Zorica
Stojanovic, Blaza
Issue Date: 2011
Abstract: This paper deals with analysis of stress-strain state for some elements of single-stage cycloidal speed-reducer when machining tolerances exist. Due to existence of machining tolerances, teeth of cycloid disc are not all at simultaneous contact with appropriate rollers of the central stationary gear and do not carry load. In order to efficiently do analysis, one single-stage cycloidal speed-reducer has been designed. Analysis of cycloid disc stress-strain state is realised using FEMAP software package. Cycloid disc is considered to be elastic deformable body. The cases when one, two or three pairs of teeth are in contact simultaneously have been analysed. Problem has been considered as being planar. Analysis of the stress and strain that occur in the contact of the stationary central gear and the pins on which rollers are positioned and which conjugate with cycloid disk teeth is realised. Analysis has been done using CATIA software package, with appropriate 3-dimensional numerical models made for this purpose. Numerical analysis of stress and strain state for eccentric was realised, too. Based on analysis of obtained results, conclusion can be made that from aspect of stress distribution, the most unfavourable case is the theoretical case when one pair of teeth is in contact, what was expected. Even in a case of the most unfavourable single meshing, maximum stress and strain values are within the limits that provide reliable work of cycloid disc during the foreseen working life, what is extremely good recommendation for even more extensive use of cycloidal speed reducer.
URI: https://scidar.kg.ac.rs/handle/123456789/17319
Type: conferenceObject
Appears in Collections:Faculty of Engineering, Kragujevac

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