Modeling and Experimental Analysis of the Aluminium Alloy Fatigue Damage in the case of Bending – Torsion Loading

Sága, Milan; Kopas, Peter; Uhríčik, Milan

doi:10.1016/j.proeng.2012.09.559

Cited by 44 publications

(26 citation statements)

References 11 publications

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“…For these estimates, the input distribution used plays a significant role. Knowing these distributions may, however, require analysis and regular control of the stability of the production process, which may not be a simple and inexpensive matter [9][10][11][12][13][14][15]. If we use the initial estimate to determine the probability of a even distribution of input values, then it is a pessimistic estimate.…”

Section: Discussionmentioning

confidence: 99%

Probability analysis of dynamical effects of axial piston hydraulic motor

et al. 2018

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Section: Discussionmentioning

confidence: 99%

Probability analysis of dynamical effects of axial piston hydraulic motor

et al. 2018

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“…Wavelet transformation has all functions created from one basic function, called mother pattern. Prototype function of basic wavelength ѱ(t) is generated by using two basic operations of scaling and time shifting [9].…”

Section: Wavelet Transform (Wt)mentioning

confidence: 99%

Vibrodiagnostics of Rolling Ball Bearings Connected With Processing, Result´s Comparison and Prediction of Service Life

Šulka¹,

Sapietová²,

Bárnik³

2020

SJSUT.ST

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This article deals with vibration analysis and the processing of the vibration signal obtained during the experimental measurement on a rotary shaft at start-up, constant speed and run-out, with rolling ball bearings. The next step of the research is the introduction and application of mathematical and numerical methods for the processing of input and measured data using diagnostic and mathematical software. The principle of measurement and processing was to compare the results of oscillation of an undamaged bearing with several types of damaged bearings with corresponding deformations in the orbits/raceways. The purpose of this research and comparison was to achieve optimal results (in terms of amplitude values, the occurrence of eigenvalue vibrations and the resonance phenomenon) of individual bearings with corresponding deformations in the raceways and to obtain calibration diagrams as a tool for possible prediction of bearings in operation.

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“…The teeth of the loaded belt hit the tips of the pulley teeth and then they slip over their sides until full meshing. This phenomenon causes rapid wear of belt teeth and, after long time, also of pulley teeth [6,10]. In order to reduce effects of this phenomenon and increase the life of the transmission gear, the friction coefficient of the belt-pulley materials pair must be reduced.…”

Section: Coupling Between a Timing Belt And Pulleysmentioning

confidence: 99%

Timing belt in power transmission and conveying system

2018

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This paper presents the problem of phenomena occurring at the contact of a timing belt and a pulley. Depending on a belt size range these phenomena differ significantly. There is no indication as to what solutions are optimal for drive belts. The analysis of the coupling process and performance tests have shown that the drive belt should have a cord of very good mechanical properties and its raceway side should be made from the material of a low friction coefficient against the pulley material. A flat belt in power transmission and conveying systems cooperates with several elements consisting of timing pulleys, tensioners or guiding rails. In gear with timing belts they depend strongly on characteristics of the process as well as the type of friction. In recent constructions, producers of timing belts are very much concerned about achieving as much slippery surface as possible. The work describes the problem of friction on different surfaces as well as its influence on gear lifetime. Research results confirm that on many surfaces bigger coefficient of friction is expected.

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Modeling and Experimental Analysis of the Aluminium Alloy Fatigue Damage in the case of Bending – Torsion Loading

Cited by 44 publications

References 11 publications

Probability analysis of dynamical effects of axial piston hydraulic motor

Probability analysis of dynamical effects of axial piston hydraulic motor

Vibrodiagnostics of Rolling Ball Bearings Connected With Processing, Result´s Comparison and Prediction of Service Life

Timing belt in power transmission and conveying system

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