Fracture cause analysis of the extruder’s shaft and geometry optimization of the spline

Authors

  • O. Lyashuk Department of Automobile Transport, Ternopil Ivan Puluj National Technical University, 56 Rus’ka Street, 46001 Ternopil, Ukraine Phone: +380352519700; Fax: +380352254983
  • Y. Pyndus Department of Automobile Transport, Ternopil Ivan Puluj National Technical University, 56 Rus’ka Street, 46001 Ternopil, Ukraine Phone: +380352519700; Fax: +380352254983
  • I. Lutsiv Department of Designing Metal-Cutting Machine and Tools, Ternopil Ivan Puluj National Technical University, 56 Rus’ka street, 46001 Ternopil, Ukraine
  • Y. Vovk Department of Transport Technologies and Mechanics, Ternopil Ivan Puluj National Technical University, 56 Rus’ka Street, 46001 Ternopil, Ukraine
  • L. Poberezhna Department of Medical Informatics, Medical and Biological Physics, Ivano-Frankivsk National Medical University, 2 Halytska street, 76018 Ivano-Frankivsk, Ukraine
  • O. Tretiakov Department of Automobile Transport, Ternopil Ivan Puluj National Technical University, 56 Rus’ka Street, 46001 Ternopil, Ukraine Phone: +380352519700; Fax: +380352254983
  • R. Zolotyy Department of Automation Technological Processes and Production, Ternopil Ivan Puluj National Technical University, 56 Rus’ka Street, 46001 Ternopil, Ukraine

DOI:

https://doi.org/10.15282/jmes.13.1.2019.08.0378

Keywords:

Shaft, spline, finite element method, working body, equipment, drive

Abstract

The article is devoted to increasing of the durability of technological equipment elements, forecasting of the resource and diagnostics of failures of the technical system. The basic regularities are analyzed and causes of the failure of the extruder’s working body shaft are determined. For torque values M = 40.74 - 64.37 N·m and of the extruder’s working body shaft, the stress-strain state of the contact surfaces of the keyhole of the extruder’s shaft is calculated by the method of three-dimensional finite element modelling. The maximum values of the stress intensity σint(max), which arise on the edge of the key groove, are calculated. It was established that an increase in the distance of the key groove to the fillet of the working body shaft by 2.0 mm leads to a decrease in the maximum stresses on the edge of the key groove by 15.72%. The results of the research allow optimizing the geometry of the shaft.

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Published

2019-03-29

How to Cite

[1]
O. Lyashuk, “Fracture cause analysis of the extruder’s shaft and geometry optimization of the spline”, J. Mech. Eng. Sci., vol. 13, no. 1, pp. 4449–4460, Mar. 2019.

Issue

Vol. 13 No. 1 (2019): (March 2019)

Section

Article

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