介绍了密封胶点焊新工艺在客车制造中的应用，分析了应用该新工艺具有焊接变形少、焊缝密封性好、生产效率高等特点。
Application of seal airtight spot welding in bus industiy is introduced in this paper. This welding technology can get good weld formation better seal airtight weld and high production.
焊接采用二氧化碳保焊连续焊缝，型腔全密封，耐腐蚀。
Welding using carbon dioxide welding continuous welding seam, cavity seal, corrosion resistance.
密封焊道应焊成现填角焊缝厚度的一半。
Seal welds shall be welded with half the thickness of the carrying fillet weld.
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