Engineering design of mechanical products is the weak links of products in the international market. The reason for the process of product design, only the attention of the high-tech applications and multi-functional requirements Neglected the morphology and function of the form, shape and study the relationship between man-machine. Concern the form of products is a manifestation of caring human nature, but also thinking of the man-machine coordination, engineering design of mechanical products is the form of art and science of organic unity. T...