Study on the Conversion Mechanism of Customers' Demands in Design Chain Based on QFD

In the process of product design,the customers'demands are often described with their own languages,and it is not easy to directly convert to the design specifications,causing the waste of much time and cost.In order to address the demand difference between the customers and the design,with the help of the design knowledge database,this article establishes the relationship between them,and creates the conversion mechanism based on customers'needs and the design requirements to solve the non-corresponding problem in the product design.