熔化极焊机全自动改进在焊接H钢中的应用

Application of the fully and automatically improved fusion electrode welders in welding H steel

介绍了对熔化极焊机全自动改进的方法、操作。此法有效地保证了H钢的焊接质量，提高了焊接速度。

The rnethed and the operaion of the fally and automahcallyimproved fhaion electrode welders were presented, the methodcould ensure the welding quality of H steel, and increase theweding velocity.