The problems dealing with the durability investigation of wheel tyres of trams operated in Cracow, PL, were brought up. A methodology and selected results of investigations and analyses carried out on the basis of tram wheel measurements were presented. The tram wheel measurements were taken from the moment when the low-floor trams were put into operation. The analyses were carried out against the background of tram wheel measurements. As shows the wheel tyre life, tests carried out using the Weibull distribution, the wheel tyres of drive bogies are distinguished by a higher value of their service life in comparison with the service life of the run bogie wheel tyres. Application of the test results in the system of tram technical operation made possible a choice of the optimal period between two consecutive wheel tyre tread surface reprofiling for every type of tram. It influenced the tram technical operation economy improvement and limited the noise generated by the wheel-rail mating pair to a considerable degree, due to the fact, that the right parameters of the wheel tyre profile and the geometry structure of the wheel-rail contact zone were maintained.
Badania trwalosci obreczy kol tramwajowych eksploatowanych w MPK SA w Krakowie
Durability tests of tram wheel tyres operated in Cracow, PL
Problemy Eksploatacji ; 2 ; 139-148
2009
10 Seiten, 8 Bilder, 3 Tabellen, 5 Quellen
Aufsatz (Zeitschrift)
Polnisch
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