轴瓦乌金损坏的焊补

Repair Welding of Bearing Babbit Damages

汽轮机轴承间隙过大、乌金局部脱落、龟裂、裂纹,砂眼、气孔、脱胎等缺陷,在检修中经常遇到。如果重新浇铸,不但造成资材浪费,还可能导致瓦胎变形。因此,可对乌金局部损坏的轴瓦进行补焊。1.轴承乌金局部磨损量大的补焊工艺1.1 选用同种型号和成份的优质乌金制成直径7mm,长约300mm的焊条。制作过程中,熔化乌金的温度不宜过高。1.2

This paper discusses in detail damages caused by excessive local wear of bearing babbit and the repair welding technology intended for various forms of bearing babbit local damages.