| Issue |
MATEC Web Conf.
Volume 94, 2017
The 4th International Conference on Computing and Solutions in Manufacturing Engineering 2016 – CoSME’16
|
|
|---|---|---|
| Article Number | 04009 | |
| Number of page(s) | 10 | |
| Section | Quality Engineering and Reliability | |
| DOI | https://doi.org/10.1051/matecconf/20179404009 | |
| Published online | 04 January 2017 | |
Reliability analysis of scarifying tooth for trailed scarifier
1 Transilvania University of Brasov, Department of Manufacturing Engineering, Mihai Viteazul No.5, Brasov, Romania
2 Transilvania University of Brasov, Department of Forest Engineering, Forest Management and Terrestrial Measurements, Sirul Beethoven Street, No. 1, Brasov, Romania
* Corresponding author: dumitrascu_a@unitbv.ro
In this paper are estimated the reliability indicators of scarifying tooth for trailed scarifier. Taking into account the constructive and technological factors, as well as the duration of exploitation, the determined values of Anderson-Darling statistics indicates that the Weibull distribution permits to model with maximum accuracy the lifetime of such attachment. The location parameter is estimated using the correlation coefficient method and minimum lifetimes are determined experimentally. Analyzing the obtained parameters, it can be shown that it can be used the normal distribution for reliability estimation. In this respects, it was applied the point and confidence interval estimation of the average and standard deviation lifetime of scarifying teeth of trailed scarifier.
© The Authors, published by EDP Sciences, 2017
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