10 L—207E柴油机止推轴瓦是用青铜铸成的,铸造毛坯质量要求很高,过去我们采用铁模、铁芯、底注雨淋浇口浇铸,浇冒口系统用砂型,并在铸件(高度110毫米)上部放了高达50毫米的环形冒口(如图1所示),金属利用率只有60%。去年六月,根据老师傅的建议,我们组织三结合小组,针对止推轴瓦产品 10 L-207E diesel thrust bearing is made of bronze casting, castings of high quality requirements, in the past we used iron mold, iron core, bottom pouring rain gate, pouring riser system with sand, and castings ( Height 110 mm) top up to 50 mm ring riser (Figure 1), the utilization rate of only 60% of the metal. In June last year, according to the advice of the old master, we organized a three-in-a-small group to deal with thrust bearing products