焊接与切割设备的使用和维修(五十一)——逆变式TIG焊机的使用与维修

Usage and maintenance of welding and cutting machines(51) --Usage and maintenance of TIG welding machine

介绍了TIG焊机的故障诊断方法和卫生安全方面的注意事项;以NZA2-300型自动TIG焊机为例,介绍了它的使用要点及常见故障;阐述了WS-200钨极氩弧焊电流衰减电路动作的故障原因、排除方法及其改进方法。

This paper introduces the breakdown diagnosis methods of TIG welding machine and attentions for health safety.Take ZA2-300 automatic TIG welding machine as example,it introduces its main points about usage and common breakdown.And it elaborates the breakdown reason about decline of electric circuit movement current in tungsten argon are welding,solutions and improvement methods.