消失模铸件常见缺陷及控制  

Commom Defects and Control of Lost Foam Castings

作　　者：胡志君[1] 孙萍[1] 张燕瑰[1] 吴进[1] 程和法[1] 余金元 

机构地区：[1]合肥工业大学材料科学与工程学院,合肥市230009 [2]铜陵万象汽车零部件有限公司,安徽铜陵市244141

出　　处：《中国铸造装备与技术》2011年第3期30-32,共3页China Foundry Machinery & Technology

摘　　要：结合大量生产实例及试验数据,分析了消失模铸造生产中变形、塌箱、粘砂、冷隔、夹砂及碳夹杂等常见缺陷产生的原因并给出了防止措施。研究结果表明,消失模铸件质量受泡沫模样及其热解特性、涂料、造型特点、高温铁液、负压度、浇注过程及充型凝固过程等因素综合影响。In the lost foam casting production conditions, combined with mass production examples and test data, reasons for casting defects such as deformation, crush, sand fusion, cold shut, sand inclusion and carbon have been analysed and relevant prevention measures been proposed. The result showed that the quality of lost foam castings have been affected by many factors such as bubble appearance and its pyrolysis, coating layer, modeling features, high-temperature molten iron, vacuum degree, process of pouring and solidification.

关 键 词：消失模铸造 铸件缺陷 质量控制 

分 类 号：TG249.5[机械工程—精密仪器及机械]