湿型砂造型主要材料特性及配比工艺方案  

Main Characteristics and Proportioning Process of Green Sand Molding Materials

作　　者：林鹏飞 LIN Peng-fei(Huangshi Dongbei Casting Co.,Ltd.,Huangshi 435106,Hubei,China)

机构地区：[1]黄石东贝铸造有限公司,湖北黄石435106

出　　处：《铸造》2021年第7期839-840,841,842,843,共5页Foundry

摘　　要：对膨润土、混配煤粉、原砂和除尘灰等湿型砂造型材料的重要特性进行检测和分析,对比了不同配比工艺方案的材料成本及铸件质量,获得了湿型砂造型主要材料特性的重要控制点和低成本高稳定性湿型砂的最优配比工艺方案。The important characteristics of green sand molding materials such as bentonite,mixed pulverized coal,raw sand and dust were tested and analyzed.The material cost and casting quality of different proportioning process schemes were compared.The optimal proportioning technology scheme with low cost and high stability were obtained.Finally,the key control points of green sand molding is proposed.

关 键 词：膨润土 混配煤粉 原砂 除尘灰 湿型砂配比 

分 类 号：TG221[金属学及工艺—铸造]