【摘要】 针对冲压件特点 ,将冲压件特征分为形状特征、精度特征、管理特征及材料特征 ,给出了这些特征的定义并描述了它们之间的联系 ,提出了基于特征的冲压件定义模型 ;然后对冲压件形状特征的表达及建模方法进行了详细的描述 ,为后续的冲压工艺设计提供了坚实的基础。更多还原

【Abstract】 In this paper,the feature of stamping part is divided into form feature,tolerance feature,management feature and material feature.The definition of theses feature and the relationship between them are presented.Then,a feature based product definition for stamping part is put forward.In the feature based model of the stamping part,the form feature is the main component.Furthermore,the form feature representation and modelling method are described in detail.In a word,the feature based model in this paper can make it possible to integrate stamping part design and stamping process design.更多还原