Abstract
How has the article discussed using Mitsubishi PLC FX2N and the air operated technology to the drilling spindle to feed system's design, calls it under this way's drilling machine the air operated drilling machine. The selective analysis system software and hardware design part, and gave the system hardware wiring diagram, PLC to control the I/O port distribution list as well as the overall program flow diagram and so on, realized PLC to control overall system's movement, reduced worker's labor intensity, has saved the labor force, raised the working efficiency, reduced the rejection rate, mechanical property stable reliable.
key word: PLC drilling spindle to feed system pneumatic control solenoid valve
