Welding equipment consist of frame , automatic tracing stucture , automatic submerged arc - welding system and flux automatic recycling equipment , carry through automatic tracing and continues welding in the joins of steel cylinder 焊接速度快,勞動(dòng)生產(chǎn)率高,設(shè)備自動(dòng)化程度高,在焊接過程中,可任意改變焊接速度,設(shè)備占地面積小