由于组成汽车发动机的零件复杂多样,其装配的工艺过程就尤为重要,所以文章使用数学统计等方法来改进汽车发动机装配线上专机的工艺过程。文中首先对发动机装配线某专机的工艺过程进行FMEA分析,发现工艺缺陷,提出改进设计;然后使用QFD(qu...由于组成汽车发动机的零件复杂多样,其装配的工艺过程就尤为重要,所以文章使用数学统计等方法来改进汽车发动机装配线上专机的工艺过程。文中首先对发动机装配线某专机的工艺过程进行FMEA分析,发现工艺缺陷,提出改进设计;然后使用QFD(quality function deployment)和FMEA(Failure modes and effects analysis)的协同设计方法对专机工艺进行了更加符合客户需求的改进设计,计算出改进设计重要度比重。最后经过比较,得出减少人工处理和提高PLC控制等工艺改进可以更符合客户需求。展开更多
There has been some research on the theory of QFD(Quality Function Deployment)and FMEA(Failure Modes and Effect Analysis)recently,but little work to the integrated system of QFD and FMEA development.This paper analyse...There has been some research on the theory of QFD(Quality Function Deployment)and FMEA(Failure Modes and Effect Analysis)recently,but little work to the integrated system of QFD and FMEA development.This paper analyses the technical difficulties of realization of QFD and proposes away using computer-supported collaborative work to develop the integrated system of QFD and FMEA and how to do it.The way can make the system more efficient and more suitable to new requirements of networked manufacturing enterprise.The same time,prototype system of the integrated system is developed by comprehensively ap- plication of Java、JSP、JavaServlet,the open World Wide Web platforms of which enhances the communication function,improves the group cooperation and shorts the development time.The system is verified reasonably and reliably through the example of QFD analysis of some automobile.展开更多
以空间站太阳电池翼为应用对象,以产品设计质量有效管控为目标,利用质量功能展开(Quality Function Deployment,QFD)的正向设计将顾客需求转化为功能分解、硬件分解、指标分解、系统详细设计、部组件详细设计和零部件关重特性,并通过PD...以空间站太阳电池翼为应用对象,以产品设计质量有效管控为目标,利用质量功能展开(Quality Function Deployment,QFD)的正向设计将顾客需求转化为功能分解、硬件分解、指标分解、系统详细设计、部组件详细设计和零部件关重特性,并通过PDCA(策划—实施—检查—处置)迭代优化,寻求工程最优解决方案。同时,利用故障模式及影响分析(Failure Modes Effects Analysis,FMEA)的逆向分析,识别产品关键特性、技术风险、单点/不可测等薄弱环节,加强裕度和冗余等可靠性设计,并指导全流程质量控制措施的制定。通过正逆向协同设计分析方法,实现设计方案的工程最优化,实现面向产品全生命周期的设计质量源头控制,不断提高产品的可靠性。展开更多
文摘由于组成汽车发动机的零件复杂多样,其装配的工艺过程就尤为重要,所以文章使用数学统计等方法来改进汽车发动机装配线上专机的工艺过程。文中首先对发动机装配线某专机的工艺过程进行FMEA分析,发现工艺缺陷,提出改进设计;然后使用QFD(quality function deployment)和FMEA(Failure modes and effects analysis)的协同设计方法对专机工艺进行了更加符合客户需求的改进设计,计算出改进设计重要度比重。最后经过比较,得出减少人工处理和提高PLC控制等工艺改进可以更符合客户需求。
基金Sponsored by Key Project of Ministry of Education,No105057Key Research Project of Province Liaoning No.20032025.
文摘There has been some research on the theory of QFD(Quality Function Deployment)and FMEA(Failure Modes and Effect Analysis)recently,but little work to the integrated system of QFD and FMEA development.This paper analyses the technical difficulties of realization of QFD and proposes away using computer-supported collaborative work to develop the integrated system of QFD and FMEA and how to do it.The way can make the system more efficient and more suitable to new requirements of networked manufacturing enterprise.The same time,prototype system of the integrated system is developed by comprehensively ap- plication of Java、JSP、JavaServlet,the open World Wide Web platforms of which enhances the communication function,improves the group cooperation and shorts the development time.The system is verified reasonably and reliably through the example of QFD analysis of some automobile.
