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前言小直径筒体的筒节尺寸为φ350×1540×18毫米,材料为16锰,纵焊缝要求100%X 光透视合格。由于简体直径小,人进不去,手工焊无法进行,遂进行了双面自动焊的试验与生产。现在产品质量稳定,X 光检验一次合格率可达95%以上。现将筒体纵缝的自动焊工艺与设备作一介绍。
Preface Small diameter cylinder tube section size φ350 × 1540 × 18 mm, the material is 16 manganese, longitudinal weld requires 100% X-ray pass. Due to the simplified diameter, people can not get in, manual welding can not be carried out, then conducted a double-sided automatic welding test and production. Now the product quality and stability, X-ray test a pass rate of 95% or more. Now the longitudinal seam of the cylinder automatic welding technology and equipment for an introduction.