本文根据实验测得的熔深数据完成了焊接坡口形式与尺寸对埋弧焊熔深影响的试验研究。
According to penetration data required from test, this paper has finished the test re search that welding groove types and dimensions of pressure vessel effect the SAW's penetration.
针对不同形式的机壳，进行各部位焊接坡口形式分类，确定机壳中常用的焊接坡口形式、焊缝标注代号，为设计者在焊接机壳的设计中提供了方便和依据。
According to the different casing, the welding groove of all parts is classified and the form of welding groove and the welds marking number used commonly in casing are determined.
介绍了窄间隙焊的特点，对坡口形式的确定、埋弧焊剂的筛选、焊接工艺参数的选择进行了详细分析。
Introduces the feature of the narrow gap welding, and analyses how to determine the form of groove, screen out submerged-arc welding flux and choose welding condition in detail.
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