机车转向架用轴箱体熔模铸造工艺研究  

Research on Investment Casting Technology of Axle Box Body for Locomotive Bogie

作　　者：周小亮 任国波 ZHOU Xiao-liang;REN Guo-bo(CRRC Qishuyan Co.,Ltd.,Changzhou Jiangsu 213011,China)

机构地区：[1]中车戚墅堰机车有限公司,江苏常州213011

出　　处：《铸造设备与工艺》2024年第3期15-17,共3页Foundry Equipment & Technology

摘　　要：介绍了轴箱体铸件的结构特点、技术要求。通过改进轴箱体熔模铸造冒口,提高了铸件的内部质量;改进浇注位置,降低了铸件的夹砂缺陷;改变工艺收缩率,确保了铸件的尺寸精度符合图纸要求。The structural characteristics and technical requirements of axle box body castings are introduced.The internal quality of the casting was improved by improving the riser of the axle box body.The casting position is improved to reduce the sand clamping defects of the casting.Changing the process shrinkage rate ensures that the dimensional accuracy of the casting meets the requirements of the drawing.

关 键 词：轴箱体 熔模铸造 冒口 夹砂 尺寸精度 

分 类 号：TG249.5[机械工程—精密仪器及机械]