不锈钢薄壁回转体浇注工艺研究

Research on Pouring Technology of Stainless Steel Thin-walled Rotary Body

以生产单件304不锈钢薄壁回转体铸件为研究对象,在第一次浇注试验过程中,回转体铸件侧壁发生了开裂现象,通过对开裂缺陷产生的原因进行分析,对铸件的浇注系统设计进行改进后,利用ProCAST铸造模拟软件对不锈钢回转体无模铸造工艺的充型、凝固过程及缩松、缩孔缺陷分布进行模拟分析,并按照分析后的结果进行了无模铸造的试验验证,侧壁开裂问题得到解决。

Taking the production of a single piece of 304 stainless steel thin-walled rotary body casting as a research object,during the first casting test,cracks occurred on the side wall of the rotating body casting.By analyzing the causes of cracking defects,the casting system was designed.After the improvement,ProCAST casting simulation software was used to simulate the filling,solidification process,and shrinkage and shrinkage hole defect distribution of the casting process without pattern of the stainless steel thin-walled rotary body,and the test verification by casting without pattern was performed according to the analyzed results.Cracking of sidewalls was resolved.