The machine can not only process the u 、 v welding line of end sloping back ridging , edge cutting for carbon steel stainless steel and allayed steel pipes , but also can treat the welded convex flange and plain flange 本機除對碳鋼、不銹鋼、合金鋼等材料管子的u , v型焊縫的坡口、例棱、削邊等加工外,并能對焊后的凸面法蘭和平面法蘭進行加工。