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轮形铸钢件在铸钢生产中比重很大,在我厂占30~40%,因此如何保证做好轮形铸钢件是很重要的。轮形铸钢件尤以齿轮坯要求最高。过去,轮形铸钢件的废品最多,特别是齿轮坯。主要缺陷是缩孔、疏松和裂纹。有的废品是因操作中错箱而造成的。现在我们在工艺和操作中采取了防缩、防裂等措施,轮形铸件废品很少,并有把握做好齿轮坯,质量稳定。
Steel wheel castings in a large proportion of steel production, in our plant accounted for 30 to 40%, so how to ensure good steel wheel castings is very important. Steel wheels, especially gear billet requirements highest. In the past, the largest number of scrap cast steel wheel, especially the gear blank. The main defects are shrinkage, porosity and cracking. Some waste is caused by the operation of the wrong box. Now we have taken in the process and operation of anti-shrinkage, crack and other measures, wheel castings rarely scrapped, and have a good gear blank, quality and stability.