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与电子产品不同，机械产品的可靠性分析和设计尚没有较为完整的方法。同样，与电子产品比较，机械产品可靠性有其许多特点。如：涉及专业面广，可靠性问题复杂；故障模式多，影响因素复杂；故障数据分散；故障大都服从威布尔分布而不是指数分布等。在机械产品的可靠性分析和设计方法方面，更应强调重视利用以往的工程实践经验，制定设计准则，指导产品可靠性设计；不宜采用筛选方法提高产品的可靠性，而应注重故障模式分析和研究，通过对故障机理的研究，采取改进措施来提高产品的可靠性；采用安全系数法和机械概率设计，通过注重产品的维修性和使用操作性、耐环境设计、安全性设计，提高其可靠性。
Unlike electronic products, mechanical products, reliability analysis and design is not a more complete method. Similarly, the reliability of mechanical products has many characteristics compared to electronic products. Such as: involving a wide range of professional, complex reliability issues; failure mode and more complicated factors; fault data scattered; most obey Weibull distribution rather than exponential distribution. In the mechanical product reliability analysis and design methods, should pay more attention to the use of past experience in engineering practice, development of design guidelines to guide the design of product reliability; not using screening methods to improve product reliability, but should focus on failure mode analysis and Research, through the study of fault mechanism, to take improvement measures to improve product reliability; using safety factor method and mechanical probability design, by focusing on product maintenance and use of operational, environmental design, safety design, to improve its reliability Sex.