CHW-62QR实芯焊丝全位置自动焊工艺试验研究

Study on MAG All-position Automatic Welding Process of CHW-62QR Solid Wire

针对焊接要求高的07MnMoVR钢制大型球罐全位置自动焊所进行的攻关,通过CHW-62QR实芯焊丝脉冲MAG焊接工艺的试验研究,解决了高强钢球罐全位置自动焊的焊接装备、焊丝及焊接工艺等难题,所研制的实芯焊丝质量可靠,焊接工艺稳定,焊缝成型美观,焊接接头综合力学性能良好,以其替代焊条电弧焊,应用前景广阔。

This article focusing on the 07MnMoVR steel spherical tanks,researches automatic pulse MAG welding technology of all-position. We used the CHW -62QR solid wire made a breakthrough of all-posi- tion welding about high strength steel spherical tanks in equipment, solid wire and welding process in three aspects. Using this reliable solid wire, the welding process is stable, the welding seam molding is very beautiful, and the mechanical properties of weld metal is good. So this welding process can replace the SMAW, has broad application prospects.