从车轮合成CO2 自动焊机的应用情况出发 ,多方面分析了该焊机发展的趋势及原因 ,总结了影响CO2 焊接应用与维修的因素 ,提出了做好焊机维修工作的几点建议 Starting from the application of CO2 automatic welding machine for wheel synthesis, the trend and reason of the development of the welding machine are analyzed in many aspects. The factors that affect the application and maintenance of CO2 welding are summarized. Some suggestions are put forward for repairing the welding machine