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本文分析了MIG不锈钢混合气体保护焊在戈兰滩水电厂1号机组的转轮室叶片修复过程中的应用,对气体保护焊的特点、水轮机转轮裂纹原因、裂纹修复焊接工艺方案进行详细阐述,以期为以后水轮机转轮裂纹处理提供一定的参考和借鉴。
This paper analyzes the application of MIG stainless steel mixed gas shielded welding in the rotor blade repair of Unit 1 of Gelantan Hydropower Station. The characteristics of gas shielded welding, the cause of cracks in turbine runner and the crack repair welding process are described in detail , With a view to provide some reference and reference for future turbine wheel crack treatment.