In this paper, the function of EDB is introduced in CAD of gun overall design. The further development of EDB is explored in the environment of I-DEAS.

• 该文论述了工程数据库在火炮结构总体CAD中的作用，探讨了在SGI工作站上I－DEAS软件环境下工程数据库的二次开发问题。