HT300机床铸件生产工艺改进  

HT300 Machine Casting Production Process Improvement

作　　者：徐清军 靳存文 邢贝贝 张新霞 张学魁 XU Qingjun;JIN Cunwen;XING Beibei;ZHANG Xinxia;ZHANG Xuekui(Henan Golden Sun Precision Casting Co.,Ltd.,Xinxiang 453000,Henan China)

机构地区：[1]河南省金太阳精密铸业股份有限公司,河南新乡453000

出　　处：《铸造工程》2023年第S02期32-35,共4页Foundry Engineering

摘　　要：介绍了HT300机床铸件的铸造工艺,针对铸件存在的裂纹、缩松等缺陷,通过提高铸件的CE、加入适量的合金元素Cu、Sn进行微合金化,以达到改善基体组织,细化晶粒,提高铸件的强度、硬度组织均匀性以及尺寸精度稳定性的目的,并获得合格铸件。The casting process of HT300 machine tool castings was introduced.the cast iron was microalloyed to improve the matrix structure,refine the grain,and improve the strength,hardness uniformity and dimensional accuracy stability of the casting by increasing the carbon equivalent of the castings and adding appropriate alloying elements Cu and Sn for microalloying.Qualified castings were obtained through production.

关 键 词：HT300 机床铸件 微合金化 

分 类 号：TG251[金属学及工艺—铸造]