The temperature field in welding HAZ was studied and analyzed. Welding heat curve was set up by argon-shielded tungstenarc welding experiment.
通过钨极氩弧焊试验，对焊接热影响区温度场进行分析和研究，建立了焊接热循环曲线。
2
The selections of repair welding technology are compared, and the repair welding technology using handwork gas tungstenarc welding is detailed. The result with good effect is got.
对补焊工艺方法的选择作了比较，具体阐明了采用手工钨极氩弧焊的补焊工艺方法，实践证明，效果良好。
3
At the time of purchase, the user must check the slot size and a wire board tungsten steel precision, smoothness, especially with the line wheel and the arc part of roundness.