摘要
采用高性能步进电机及其ＰＷＭ升频升压驱动电路，研制了直接驱动的ＧＭＡＷ焊送丝实验样机，并对其静态和动态性能进行了测试。
Using a high performance step motor and PWM raising frequency raising voltage driving circuit, the GMAW welding Wire feeding experimental sample device is directly driven and its static, and dynamic prosperity is measured.
出处
《电焊机》
1998年第2期21-23,共3页
Electric Welding Machine
