According to the experiment data the suitability of the pre-selected welding process parameters and the groove shape are testified and the correlation between weld penetration depth and root gap & welding process parameters is studied quantitatively .

根据实验数据，对预选焊接工艺参数和坡口形状尺寸的合理性进行了验证。并考察了不同 焊接工艺条件下熔深与 接头 间隙和焊接工艺参数之间的相关性。