②名何子大学 机械鹿题工强学院 CO-MAT FIGURE 1-15 The first successful N/C machine,developed by MIT (Coutesy of Cincinnati Miacron) The first successful N/C machine,funded by the Air Force,was demonstrated by the Massachusetts Institute of Technology in 1952.It was a "retrofitted"Cincinnati milling machine (Figure 1.15).It had the ability to coordinate the FIGURE 1-16 (a)A pre-CNC electromechanical tape reader and N/C tape. axis motions to machine a complex surface.The (b)The finger-like contact pass through tape holes.touching electrical contacts in the drum as the tapes passes over the drum. first "commercial"N/C machines were shown at the 1955 National Machine Tool Show. 第一台数控机床The first successful N/C machine, funded by the Air Force, was demonstrated by the Massachusetts Institute of Technology in 1952. It was a "retrofitted" Cincinnati milling machine (Figure 1.15). It had the ability to coordinate the axis motions to machine a complex surface. The first "commercial" N/C machines were shown at the 1955 National Machine Tool Show. 第一台数控机床