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计算机数控第六讲 数控技术的现状及进展西北工业大学３０４教研究室（西安：７１００７２）李诚人自从１９５２年美国帕森斯公司和麻省理工学院研制出世界上第一台数控机床至今，数控系统已经发展到第五代。前三代即电子管、晶体管、中小规模集成电路的数控系统属于硬件...
Computer Numerical Control Part VI Present Situation and Progress of Numerical Control Technology 304 Teaching Research Laboratory, Northwestern Polytechnical University, Xi’an 710072, China Since the American Parsons and Massachusetts Institute of Technology (MIT) developed the world’s first CNC machine tool in 1952, CNC system Has been developed to the fifth generation. The first three generations of the tube, transistor, small and medium scale integrated circuit CNC system belongs to hardware ...