Abstract
Based on the mechanical manufacturing process and machining characteristics, the concept of feature elements is proposed and the feature elements are defined and classified in this paper. According to the mapping relationship between the feature elements of the mechanical parts and the geometric structure, the feature elements drawing function is developed, and the graphic library of the feature elements is constructed. By studying the combination of parts feature elements, a combination relationship model of part feature elements is established. Finally, in the condition of matching design requirements and manufacturing resources, a part innovation design platform is developed based on the combination relation model of feature elements to combine feature elements drawing function, and the efficient and innovative design of mechanical parts has been realized.
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