A comparison of the two reliability evaluation methods on CNC lathes

Yu Jie, Tang Wu-sheng, Zhang H

Abstract

Two Weibull distributions are used to evaluate a certain serial CNC Lathes with position parameter t=0. In fact, the first failure time is not zero according to the data on the spot. Three Weibull distributions are put forward to evaluate the reliability on the basis of two Weibull distributions which can accurately reflect the quality index of CNC Lathes.