%0 Journal Article %T In-service analysis of tram wheel set life %A Stanis£¿aw M£¿YNARSKI %A Pawe£¿ PIEC %J Transport Problems : an International Scientific Journal %D 2012 %I Silesian University of Technology %X The paper presents some results of in-service tests on tram wheel set life. The measurements of wheel rim undercut and wear on the rolling diameter of tram wheel set wheels are a data base for calculating tram rolling wheel life in two aspects: wheel operation conditions and materials from which the wheels were made. %K tram %K wheel set %K wear %K life %U http://transportproblems.polsl.pl/pl/Archiwum/2012/zeszyt2/2012t7z2_11.pdf