Processing system reliability model based on products reliability
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摘要: 以提高产品的可靠性为目的,分析了工艺系统﹑工艺过程产品输出参数﹑产品使用性能﹑产品可靠性四者的关系.在此基础上,提出了基于产品可靠性的工艺系统基本影响关系可靠性模型,介绍了其建模方法.模型考虑了各工序之间的影响,反映了工艺系统与产品可靠性的关系.最终研究了工艺系统可靠度和工序可靠度的定量计算方法,为找出工艺系统的薄弱环节,进行工艺优化进而提高产品的可靠性提供了理论依据.Abstract: In order to improve the product reliability, the relationships of processing system, process product deferent parameters, product performance and product reliability were analyzed. Then a reliability model named "reliability model of basic influence relationship in processing system" based on product reliability was presented, and the modeling method was introduced. The model considered the interaction of each working procedure, and represented the relationships between processing system and product reliability. Finally, quantitative calculation method of reliability degree of processing system and working procedure were discussed which has provided theoretical basis for locating processing system-s weak parts, making processing optimization and product reliability advancement.
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Key words:
- processing system /
- reliability /
- modeling
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