厚大断面球墨铸铁尾架的研制  

Research on the Heavy Section Ductile Iron Tailstock

作　　者：魏伟 沈闯 张磊磊 李伟东 郭庆福 刁晓刚 于志斌 WEI Wei;SHEN Chuang;ZHANG Lei-lei;LI Wei-dong;GUO Qing-fu;DIAO Xiaogang;YU Zhi-bin(CITIC Heavy Industries Co.,Ltd.,Luoyang 471039,Henan,China;State Key Laboratory of Intelligent Mining Heavy Equipment,Luoyang 471039,Henan,China;Foundry Branch,CITIC Heavy Industries Co.,Ltd.,Luoyang 471039,Henan,China;Luoyang Shuangrui Precision Casting Titanium Co.,Ltd.,Luoyang 471023,Henan,China)

机构地区：[1]中信重工机械股份有限公司,河南洛阳471039 [2]智能矿山重型装备全国重点实验室,河南洛阳471039 [3]中信重工洛阳重铸铁业有限责任公司,河南洛阳471039 [4]洛阳双瑞精铸钛业有限公司,河南洛阳471023

出　　处：《铸造》2023年第8期1051-1055,共5页Foundry

摘　　要：尾架是高压压铸机的重要部件之一,重16.8 t、最大壁厚大于400 mm。通过数值模拟软件优化铸造工艺,采用喂线法球化处理,多级孕育处理,试制了厚大断面球墨铸铁尾架铸件。结果表明,尾架铸件各项力学性能均达到了QT500-7材料标准的要求,铸件质量完全满足无损检测技术要求。The tailstock is one of the important parts of high-pressure die casting machine,with weight of 16.8 t and maximum wall thickness more than 200 mm.Through optimizing the casting process by using the numerical simulation software,using of wire feeding nodulizing and multi-stage inoculation treatment,the heavy section ductile iron tailstock casting was trial produced.The results of the tailstock casting inspection show that all mechanical properties meet the requirements of QT500-7 grade nodular iron,and the quality of the tailstock casting is fully in conformity with the technical requirements of nondestructive testing.

关 键 词：厚大断面 球墨铸铁 尾架 铸造工艺 力学性能 

分 类 号：TG255[金属学及工艺—铸造]