细铬铁矿砂提高CO_2水玻璃砂工艺铸钢件铸字区外观质量  

Fine Chromite Sand to Improve the Marking Area Surface Quality of Steel Castings Produced by CO2 Sodium Silicate-Bonded Sand Process

作　　者：倪国勇 刘军燕 刘春林 NI Guo-yong;LIU Jun-yan;LIU Chun-lin(Yancheng Newmans Cast Steel Co.,Ltd.,Yancheng 224033,Jiangsu,China)

机构地区：[1]盐城市纽曼铸钢有限公司,江苏盐城224033

出　　处：《铸造》2020年第3期266-268,共3页Foundry

摘　　要：随着工业技术规范的更新,用户对阀门铸件的外观质量要求越来越高。介绍了如何利用细铬铁矿砂提高CO2水玻璃砂铸钢件铸字区外观质量的方法,有效解决了字目清晰度不够、字目成型不良、字目立体感不强等问题。With the updating of industrial technical specifications,users have higher and higher requirements for the appearance quality of valve castings.This paper introduces how to use fine chromite sand to improve the appearance quality of the marking area of CO2 sodium silicate-bonded sand steel castings.This method effectively solves the problems such as insufficient clarity,poor molding and poor stereoscopic sense of lettering.

关 键 词：CO2水玻璃砂 铸钢阀门 铸字区 外观质量 

分 类 号：TG221[金属学及工艺—铸造]