Taboo Analysis on Protective Earthing of Electric Welding Machine

WANG Shuicheng（Employee Technique Association of China Pingmei Shenma Group

Co.，Ltd.，Pingdingshan 467000，He’nan Province，China）

 

    Abstract In consideration of personal safety and property protection and in combination with protective earthing of electric welding machine，and connection types of protective earthing of several electric welding machines，5 examples of wrong and dangerous earthing of electric welding machine are given，analyzed and discussed in this paper，and solutions are proposed.

    Key words　Electric welding machine Casing Protective earthing

 

    摘 要 从保护人身安全和财产安全的角度出发，就电焊设备保护接地及多台电焊机保护接地的联结方式等问题，列举5种不妥的、错误的和危险的电焊设备保护接地案例，对其逐一进行分析和探讨，并提出解决方法。

    关键词 电焊机 机壳 保护接地

    中图分类号：TU731 文献标识码：A