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简要介绍了采用ＰＬＣ 为控制核心的风缸自动焊控制系统的软件和硬件，并探讨了自动焊控制系统中的电机调速电路，该控制系统在实际生产中的应用表明：控制系统软硬件设计合理，具有较高的可靠性，能够满足高质量风缸自动化生产的要求
The software and hardware of automatic welding control system for cylinder with PLC as the control core are introduced briefly. The speed regulation circuit of the motor in the automatic welding control system is discussed. The application of the control system in the actual production shows that the hardware and software design of the control system Reasonable, with high reliability, to meet the high-quality automated production requirements of the wind