针对当前柔性夹具设计过程中,用户需求掌握不明确,矛盾问题发现不精准,设计冲突的解决缺少创新等设计问题,结合质量功能展开理论(Quality Function Deployment,QFD)和发明问题解决理论(Teoriya Resheniya-Izobreatatelskikh Zadatch,TRI...针对当前柔性夹具设计过程中,用户需求掌握不明确,矛盾问题发现不精准,设计冲突的解决缺少创新等设计问题,结合质量功能展开理论(Quality Function Deployment,QFD)和发明问题解决理论(Teoriya Resheniya-Izobreatatelskikh Zadatch,TRIZ),将QFD和TRIZ理论融入柔性夹具概念性设计阶段,提出了基于QFD和TRIZ理论的柔性夹具创新设计模型,通过用户调研,整理得到柔性夹具的具体设计需求和针对需求实现的设计工程参数,建立了柔性夹具质量物矩阵,得到柔性夹具设计关键问题,并利用TRIZ冲突解决工具对问题进行了求解,最后以一种工程应用实例验证了模型的可行性。这对推动柔性夹具设计及上层柔性制造系统的发展起到了积极作用。展开更多
The present research work emphasized on identifying and optimizing various significant process parameters of high pressure die casting by using QFD-Taguchi based hybrid approach in order to yield the optimum casting d...The present research work emphasized on identifying and optimizing various significant process parameters of high pressure die casting by using QFD-Taguchi based hybrid approach in order to yield the optimum casting density of the A380alloy.Identification of critical process parameters,selection of appropriate orthogonal array,analysis of means and analysis of variance are employed to study the performance characteristic of the die casting process.The most critical process parameters identified and optimized by QFD-Taguchi based hybrid approach,such as the injection pressure,the molten metal temperature,the plunger velocity(first and second stage)and the die temperature were explored in the experimental work.The results show that injection pressure is the most significant factor among the selected parameters.The contribution of the injection pressure to the variation of mean casting density is around61.483%.Confidence interval(CI)has also been estimated as0.000718for95%consistency level to validate the predicted range of optimum casting density of aforesaid alloy.展开更多
文摘针对当前柔性夹具设计过程中,用户需求掌握不明确,矛盾问题发现不精准,设计冲突的解决缺少创新等设计问题,结合质量功能展开理论(Quality Function Deployment,QFD)和发明问题解决理论(Teoriya Resheniya-Izobreatatelskikh Zadatch,TRIZ),将QFD和TRIZ理论融入柔性夹具概念性设计阶段,提出了基于QFD和TRIZ理论的柔性夹具创新设计模型,通过用户调研,整理得到柔性夹具的具体设计需求和针对需求实现的设计工程参数,建立了柔性夹具质量物矩阵,得到柔性夹具设计关键问题,并利用TRIZ冲突解决工具对问题进行了求解,最后以一种工程应用实例验证了模型的可行性。这对推动柔性夹具设计及上层柔性制造系统的发展起到了积极作用。
基金the National Institute of Technology,Manipur,Imphal for Financial Support to carry out the experimental work of Mr.K.Ch.Apparao
文摘The present research work emphasized on identifying and optimizing various significant process parameters of high pressure die casting by using QFD-Taguchi based hybrid approach in order to yield the optimum casting density of the A380alloy.Identification of critical process parameters,selection of appropriate orthogonal array,analysis of means and analysis of variance are employed to study the performance characteristic of the die casting process.The most critical process parameters identified and optimized by QFD-Taguchi based hybrid approach,such as the injection pressure,the molten metal temperature,the plunger velocity(first and second stage)and the die temperature were explored in the experimental work.The results show that injection pressure is the most significant factor among the selected parameters.The contribution of the injection pressure to the variation of mean casting density is around61.483%.Confidence interval(CI)has also been estimated as0.000718for95%consistency level to validate the predicted range of optimum casting density of aforesaid alloy.
