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介绍了全位置脉冲钨极氩弧自动爆的工艺过程，设计了PLC的接口电路和编程软件。本系统采用SIEMENS7－200系列PLC进行控制，具有孤长控制和摆动功能，焊接参数四个区间可调，存贮10个程序，可以通过编程器现场编程。
Described the full position pulse TIG automatic explosion process, designed the PLC interface circuit and programming software. The system uses SIEMENS7-200 series PLC control, with long-length control and swing function, welding parameters adjustable four intervals, storage of 10 programs, you can programmer programming.