采用MCS - 5 1单片机控制半桥式逆变焊机 ,实现手工电弧焊、TIG焊、脉冲TIG焊等多种功能。研究表明 ,此焊机较好地实现了外特性、动特性及调节性能的控制 ,具有控制灵活、可靠性高等特点 Using MCS - 5 1 single - chip control half - bridge inverter welding machine, to achieve manual arc welding, TIG welding, pulse TIG welding and other functions. The research shows that this welding machine has better control of external characteristics, dynamic characteristics and regulating performance, has the characteristics of flexible control and high reliability