The operation process of single-side welding and double-side forming for the butt joint of the SMAW plate was introduced in the paper.It introduced the operation process of single-side welding and double-side forming from the aspects of preparation before welding,assembly of specimens,selection of welding process parameters and welding operation,and expounded the precautions in three stages:bottom welding,filling layer welding and cover layer welding.The joint connection,the identification of welding pool and the evaluation of welding quality were discussed in detail.It had a certain guiding effect on the welding of high quality joint by one-side welding with back formation technology of shielded metal arc welding.
关键词
焊条电弧焊/平焊/打底焊/单面焊双面成形/操作技巧
Key words
SMAW/1G/backing weld/one-side welding with back formation/operative skills
维普
万方数据