For the purpose of economizing on raw materials and reducing consumption, the detailed analysis and design of the regulating circuit of TIG electricwelder have been presented in this article.
本着节约材料和减少能源消耗的目的，对新型方波交流TIG焊电源电流的调节电路进行了详细的分析与设计。
2
When an electric heating method is used for heating, thermal couple and heating coil should be installed closest to the bevel while should not hinder the access of welder to the joint.
采用电加热法加热时，需注意热电偶及加热圈的安装要尽可能靠近坡口，但不得妨碍焊工接近接头。
3
The Laser supply that is charged by constant electric current . has high energy and long pulse width was developed for laser welder. It has been used for several years.