本文就新近研制成的单片微机一元化控制CO_2焊机的系统电路组成、软件设计、微机控制算法、系统抗干扰措施等方面进行了介绍。试验结果表明,利用微机对CO_2焊机进行一元化控制与波形控制是成功的。这种新型焊机不仅焊接性能优良,规范调节方便,而且具有控制电路简单,调试方便,易于程序控制等一系列优点,有实用推广价值。 This paper introduces the system circuit, software design, microcomputer control algorithm, system anti-interference measures and so on of the newly developed CO 2 single-chip microcomputer control unit. The experimental results show that the use of microcomputer for CO_2 welding machine control and waveform control is successful. This new type of welding machine not only has excellent welding performance and convenient regulation and regulation, but also has a series of advantages such as simple control circuit, convenient debugging and easy program control, and has practical promotion value.