增材制造技术在不锈钢叶轮生产中的试用  

Application of 3D Printing Technology to Stainless Steel Impeller Production

作　　者：张帅强 张勇 杨永辉 叶书亮 王志博 ZHANG Shuai-qiang;ZHANG Yong;YANG Yong-hui;YE Shu-liang;WANG Zhi-bo(Luoyang Easy 3D Printing Technologies Co.,Ltd.,Luoyang 471000,Henan,China;Gree Electric Appliances,Inc.of Zhuhai 519000,Guangdong,China)

机构地区：[1]洛阳易普特智能科技有限公司,河南洛阳471000 [2]珠海格力电器股份有限公司,广东珠海519000

出　　处：《铸造》2022年第7期911-914,共4页Foundry

摘　　要：介绍了某型不锈钢叶轮的结构及技术要求,浇注系统的设计过程。采用反重力真空吸铸浇注工艺,保证叶片较薄部位完整充型,采用3DP打印技术组芯造型,原砂使用70/140目硅砂,涂料使用流涂方式。铸件浇注后,叶片充型良好,尺寸满足要求,整体符合验收标准。The structure and technical requirements of a stainless steel impeller and the design process of gating system are introduced.The counter gravity suction casting pouring process is adopted to ensure the complete mold filling of the thin part of the impeller.The three dimensional printing(3DP)technology is used for core modeling.The raw sand is 70/140 mesh silica sand,and the coating is flow coated.After casting,the filling of the impeller filling is good,the size meets the requirements,and the whole meets the acceptance standard.

关 键 词：3D打印 薄壁件 不锈钢叶轮 真空吸铸 反重力 

分 类 号：TG142.71[一般工业技术—材料科学与工程]