This paper introduces the repair welding procedure for repairing an alumal casting piece of an oil pump cylinder, This method covers the shortages of AC argon arc weld and gas welding.
介绍了对油泵机缸体铝锰合金铸造件缺陷补焊修复的技术工艺，且弥补了若采用交流氩弧焊和气焊施焊时存在的不足。
This procedure covers the method for casting material's heat treatment, and Post weld heat treatment (PWHT) to weld repair area of castings.
本程序包括铸件材料的热处理方法，铸件焊补区域的焊后热处理方法。
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