自从 196 3年大学毕业后 ,我一直从事机床电气控制配套工作 ,由此与《机床》杂志结下了不解之缘。 70年代初日本在上海举行了第一届日本工业展览会 ,会上我国工业界第一次看到了如此多的数控机床。当时的数控系统是由小规模集成电路ＴＴＬ组成的硬件数控ＦＡＮＵＣ 2 2 0、2 40 Since 1996, after graduating from college in 1996, I have been engaged in supporting the electrical control of machine tools, which has brought indissoluble bond with “Machine Tool” magazine. Japan first held the first Japanese industrial exhibition in Shanghai in the early 1970s, at which China’s industrial sector saw so many CNC machine tools for the first time. At the time of the CNC system is composed of small-scale integrated circuit TTL hardware CNC FANUC 2 2 0,2 ​​40