A1 2 0 - 40 0 / 50 0 (系列 )是总结时代集团公司前几代气保焊机的研制、开发和生产的经验 ,结合气保焊机的近期发展趋势 ,在时代 IGBT逆变电源的基础上通过采用电子电抗器对短路过程进行波形控制技术的新一代半自动熔化极气保焊机。在 CO2 气体保护焊中 ,短路过渡是一种主要 A1 2 0 - 40 0/50 0 (series) is a summary of the era of the company’s previous generations of gas welding machine R & D, development and production experience, combined with the recent trend of gas-shielded welder in the era of IGBT inverter power supply Based on the use of electronic reactors on the short-circuit process waveform control technology, a new generation of semi-automatic welding gas welding machine. In CO2 gas shielded welding, the short-circuit transition is a major one