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4115柴油机在运行时,由于连杆螺栓的开口销脱落,造成“踢”缸事故,致使缸体主油道一侧,上曲轴箱部位被飞出的连杆击破,破洞不规则,最长处有200mm,最宽处有140mm。主油道破断有120mm,材质:灰口铸铁,牌号:HT20—40。我们采用了电弧焊修复,现将补焊工艺简介如下: 用汽油清洗破损处及主油道内的机油污,然后把破损处修整成椭圆形,并开坡
4115 diesel engine in operation, due to the connecting rod bolt pin off, resulting in “kick” cylinder accident, resulting in the cylinder side of the main oil gallery, the crankcase parts were flying out of the connecting rod to break, irregular holes, the longest There are 200mm, 140mm widest place. The main oil passage broken 120mm, material: gray cast iron, grade: HT20-40. We use the arc welding repair, welding repair process is now introduced as follows: Use gasoline to clean the damage and the main oil road oil pollution, and then repair damaged into oval and slope