On the Design Method of Retractable Boarding Trestle Based on QFD Method
Aiming at the design process of the retractable boarding trestle,a design idea and method based on the quality function deployment(QFD)method was constructed,guided by customer needs.Using the methods of live experience and sce-nario scoring,the voice of customer(VOC),critical to quality(CTQ)and critical to material(CTM)were deeply explored in five dimensions.Through weight analysis using AHP and other methods,the first level and the second level HoQ were constructed for scalable trestle analysis.An importance-cost analysis of CTQ was conducted to meet customer needs and regulatory require-ments effectively.A new model for the design and development of retractable trestles has been formed.
quality function deployment(QFD)FMEA methodretractable trestlecustomer demand analysis
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