高强韧性球墨铸铁轮盘铸件的试制  

Trial Production of High Strength and Toughness Ductile Iron Wheel Disc Casting

作　　者：古毅康 康晋辉 李平[1] 李朝霞 GU Yi-kang;KANG Jin-hui;LI Ping;LI Zhao-xia(School of Material Science and Engineering,Henan Polytechnic University,Jiaozuo 454003,Henan,China;Department of Mechanical Engineering,Zhumadian Technician College,Zhumadian 463000,Henan,China;Jiaozuo Gude United Machinery Manufacturing Co.,Ltd.,Jiaozuo 454150,Henan,China)

机构地区：[1]河南理工大学材料科学与工程学院,河南焦作454003 [2]驻马店技师学院机械工程系,河南驻马店463000 [3]焦作固德联合机械制造有限公司,河南焦作454150

出　　处：《铸造》2023年第11期1493-1496,共4页Foundry

基　　金：河南省高校基本科研业务费专项资金(NSFRF170502)。

摘　　要：根据球墨铸铁轮盘铸件的结构特点,进行了铸造工艺设计。采用顶冒口和热侧冒口相结合实现顺序凝固,对铸件进行有效补缩。针对材质技术要求,对熔炼和浇注工艺、热处理工艺进行了研究。结果表明,采用设计的铸造工艺和热处理工艺批量试生产的轮盘铸件没有出现缩孔、缩松、夹渣和气孔等缺陷,材质性能满足客户要求。According to the structural characteristics of ductile iron wheel disc casting,the casting process was designed.The top risers and hot side risers were combined to realize sequential solidification and effectively feed the casting.According to the technical requirements of materials,the melting and pouring process and heat treatment process were studied.The trial production results show that the wheel disc castings by the designed casting process and heat treatment process have no defects such as shrinkage,dispersed shrinkage,slag inclusion and porosity,and the material properties meet the customer's requirements.

关 键 词：球墨铸铁 轮盘 铸造工艺 等温淬火热处理 

分 类 号：TG255[金属学及工艺—铸造]