Category and Evaluation Method of Rolling Stock Product Life
According to the characteristics of rolling stock product life dispersion,fault influence diversity and application demand difference,the influencing factors of rolling stock product life are analyzed from the aspects of speed and mileage,time and environment,working frequency and load.Combined with empirical method,calculation method,test method and statistical method,this paper analyzes the common methods for determining the service life of locomotive and rolling stock products and their application scope.Based on reliability technology and life cycle cost method,the service life of rolling stock product is classified,defined and evaluated according to safety life,effective life,economic life,technical life and physical life.An example is given to analyze the service life of some EMU products.