窄流道叶轮3D打印砂型铸造生产实践  

Production Practice of 3D Printing Sand Casting for Narrow Channel Impeller

作　　者：赵禔 杨永辉 张焕祥 苗嘉华 ZHAO Ti;YANG Yong-hui;ZHANG Huan-xiang;MIAO Jia-hua(Luoyang Easy 3D Printing Technologies Co.,Ltd.,Luoyang 471000,Henan,China)

机构地区：[1]洛阳易普特智能科技有限公司,河南洛阳471000

出　　处：《铸造》2025年第1期115-118,共4页Foundry

摘　　要：介绍了采用3D打印砂型技术生产窄流道叶轮的铸造过程。原砂使用100/140目硅砂,采用流涂方式涂刷砂型内腔,采用立浇方式成形铸件。经生产实践验证,铸件表面质量和尺寸精度满足验收技术条件要求。The casting process of narrow channel impeller produced by 3D printing sand mold technology is introduced.The original sand is 100/140 mesh silica sand,the flow coating metod is used to coat internal surface of the sand mold,and the vertical casting method is used to form the impeller casting.Through production pactice verification,the surface quality and dimension accuracy of the castings met the reqirements of acceptance specifications.

关 键 词：3DP砂型 窄流道叶轮 铸造 

分 类 号：TG251[金属学及工艺—铸造]