一、问题的提出矿山机械和别的产品一样,其可靠性问题的研究已是刻不容缓的了。在判断产品价值的五个基准(性能、时间、费用、可靠性和适应性)中,可靠性是极其重要的一个基准。工业先进的国家总是把保证产品的可靠性作为提高产品声誉、增强产品竞争能力的重要手段。值得一提的是,到目前为止,我国矿山机 First, the issue of the proposed mining machinery and other products, the study of its reliability has become a matter of no delay. In the five benchmarks that determine the value of a product (performance, time, cost, reliability, and adaptability), reliability is an extremely important benchmark. Industry advanced countries always take the guarantee of product reliability as an important means to improve product reputation and enhance product competitiveness. It is worth mentioning that so far, China’s mining machine