【摘要】 研究了一种汽车继电器的计算机辅助三维实体造型的技术和方法。以Mechanical Desktop为基础，研制开发了一套HCAD软件，建立了一套汽车继电器三维实体零件图库。该图库具有尺寸驱动和参数绘图等功能。更多还原

【Abstract】 The paper researches on the technique of a 3D so lid modeling of automobile relay(AR),based on Mechanical Desktop.A 3D solid mode ling function curves in HCAD of AR is developed,and a set of 3D parts dra wing library of AR is established.The library has the functions of driving in di mensions,drawing in parameters etc.更多还原