针对机车车辆产品委、承修双方长期争论的检修质量保证期等焦点问题,提出基于可靠性的机车车辆产品检修质量保证管理方法。该方法依据产品可靠性与寿命、经济性关系,在综合考虑产品故障模式、故障影响、故障概率的基础上,给出质保项目、质保期限和质保可靠度的确定原则,全面兼顾了机车车辆检修产品的安全性、可靠性和经济性。 Aiming at the focus issues such as the quality assurance period of overhaul and long-term controversy of locomotive and rolling stock product commission, the reliability management method of rolling stock product overhaul quality assurance is put forward. Based on the relationship between product reliability, life expectancy and economy, this method gives the principle of determining the quality assurance items, the warranty period and the reliability of the warranty based on the comprehensive consideration of the product failure mode, the influence of the failure and the probability of failure, and comprehensively takes into account the principle of locomotive vehicle overhaul Product safety, reliability and economy.