One side welding both sides forming technology and quality control of butt welding in the overhead position with shielded metal arc welding

LUO Xian; LI Zhe

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One side welding both sides forming technology and quality control of butt welding in the overhead position with shielded metal arc welding
Vol. 49, Issue 12, Pages: 114-116(2019)
Published：2019
DOI：
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DOI：

LUO Xian, LI Zhe. One side welding both sides forming technology and quality control of butt welding in the overhead position with shielded metal arc welding[J]. Eletric Welding Machine2019, 49(12): 114-116. DOI：

摘要

分析总结焊条电弧焊仰对接单面焊双面成型技术

详细介绍了焊前准备事宜、焊条选用

以及打底层、填充层和盖面层焊接时的操作要点

以控制焊缝成形

提高焊接质量

为后续生产工作及后备技术人才培养提供参考。

Abstract

One side welding both sides forming technology of butt welding in the overhead position with shielded metal arc welding（SMAW） is summarized. The preparation before welding

selection of electrode

the operating points during the welding of backing layer

filling layer and covering layer are also introduced in detail

so as to control the appearance of weld

improve the welding quality

and provide reference for the follow-up production work and the training of backup technical personnel.