一、前言 CIM作为制造企业的发展方向,正在日益引起人们的关注。但它又是一个投资大、建设周期长的项目,故而美、欧、日等国的一些先进机床厂虽自 80年代初已对 CIM的应用作出规划,但迄今尚未全面建成,且近期取得明显经济效益者甚少。因此在现阶段实施CIM具有两重性,即提高竞争 I. Introduction CIM as a manufacturing enterprise’s development direction, is increasingly aroused people’s attention. However, it is also a project with large investment and long construction period. Therefore, although some advanced machine tool factories in the United States, Europe and Japan have planned the application of CIM since the early 1980s, they have not yet been completed and have recently achieved obvious Very few economic benefits. Therefore, the implementation of CIM at this stage has the dual nature, that is, to raise competition