农乐61手扶拖拉机变速箱系统FMECA分析和变速箱体FTA分析

Gearbox System FMECA and Gearcase FTA Analysis of Model NL-61 Walking Tractor

从FMECA和FTA两个方面分别分析农乐61手扶拖拉机的变速箱系统和变速箱体的故障,并提出改进措施,使产品合格率达99.3％以上。

The paper analyses the failures of gearbox system and gearcase of model NL-61walking tractor respectively using FMECA and FTA methods,the improved measures are gived,the product qualified rate is attained 99.3 percent up.s