Analyze the cause and treatment of worn working surface of bearing pads for induced draft fan, after welding repair, the broken babbit alloy bearing pads in actual application has good usage effect.

简单分析了引风机轴瓦工作表面磨损的原因和处理方法，实际应用中损坏的巴氏合金轴瓦经过焊接修复后，使用效果良好。

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The method of surfacing welding sealing strip was adopted to repair the deformation of the flange joint surface of the high and intermediate pressure outer casing .

修理前，围绕兼顾解决焊接性、应力和变形问题，结合实际施工条件制定了以手工钨极氩弧焊、镍基焊丝、焊前低温预热、焊后锤击焊缝为要素的冷堆焊工艺。

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