Computational model for analysing the tooth deflection of polymer gears

Aljaž Ignatijev (Author), Srečko Glodež (Author), Janez Kramberger (Author)

Abstract

A computational model for analysing the tooth deflection of polymer gears is presented in this paper. Because polymer gears have less stiffness compared to metal gears, the proposed approach considers a comprehensive analysis to determine the most suitable numerical model, i.e., the number of teeth that should be modelled for a given gear’s geometry and material. The developed computational model has been evaluated using a spur gear pair, where the pinion made of POM was meshed with a support gear made of steel. Material properties were assigned with linear elastic characteristics for the gear, while the pinion was characterised by hyperelastic properties using POM material. Furthermore, a nonlubricated frictional contact between the gear and pinion was considered in the numerical computations. The computational results that were obtained were compared to the empirical results according to VDI 2736 guidelines. Here, the computational approach showed more accurate results due to the hyperelastic material characteristics of POM and the simulation of multiple teeth meshing. However, VDI 2736 calculation showed comparability with the computational results, with a slightly larger deviation at higher loads. In this respect, the proposed computational approach is more suitable for analysing the tooth deflection of polymer gears under higher loads.

Keywords

polimerni zobniki;odklon zoba;poves zoba;računalniško modeliranje;polymer gears;tooth deflection;computational modelling;

Data

Language:	English
Year of publishing:	2024
Typology:	1.01 - Original Scientific Article
Organization:	UM FS - Faculty of Mechanical Engineering
Publisher:	MDPI
UDC:	621.833:678.7
COBISS:	187843075
ISSN:	2073-4360
Views:	266
Downloads:	38
Average score:	0 (0 votes)
Metadata:

Other data

Secondary language:	Slovenian
Secondary keywords:	polimerni zobniki;odklon zoba;poves zoba;računalniško modeliranje;
Type (COBISS):	Article
Pages:	12 str.
Volume:	ǂVol. ǂ16
Issue:	ǂiss. ǂ5, [article no.] 677
Chronology:	March 2024
DOI:	10.3390/polym16050677
ID:	23179615