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Bending and Torsional Stress Factors in Hypotrochoidal H-Profiled Shafts Standardised According to DIN 3689-1

  • Hypotrochoidal profile contours have been produced in industrial applications in recent years using two-spindle processes, and they are considered effective high-quality solutions for form-fit shaft and hub connections. This study mainly concerns analytical approaches to determine the stresses and deformations in hypotrochoidal profile shafts due to pure bending loads. The formulation was developed according to bending principles using the mathematical theory of elasticity and conformal mappings. The loading was further used to investigate the rotating bending behaviour. The stress factors for the classical calculation of maximum bending stresses were also determined for all those profiles presented and compiled in the German standard DIN3689-1 for practical applications. The results were also compared with the corresponding numerical and experimental results, and very good agreement was observed. Additionally, based on previous work, the stress factor was determined for the case of torsional loading to calculate the maximum torsional stresses in the standardised profiles, and the results are listed in a table. This study contributes to the further refinement of the current DIN3689 standard.

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Author:Masoud Ziaei
DOI:https://doi.org/10.3390/eng4010050
ISSN:2673-4117 Available in library?
Parent Title (English):Eng
Publisher:MDPI AG
Document Type:Article
Language:English
Year of first Publication:2023
Volume:4
Issue:1
Page Number:14
First Page:829
Last Page:842
Faculty:Westsächsische Hochschule Zwickau / Automobil- und Maschinenbau
Release Date:2024/03/15