以石灰石型砂生产铸钢件的铸造缺陷及工艺对策  

Casting Defects and Technology Countermeasures for Steel Casting Made with Limestone Molding Sand

作　　者：杨大春[1] 

机构地区：[1]淮阴工学院,江苏淮安223003

出　　处：《热加工工艺》2010年第17期77-78,82,共3页Hot Working Technology

摘　　要：以石灰石砂生产铸钢件易产生气孔等铸造缺陷。通过对石灰石砂特点进行分析,找出了产生该铸造缺陷的主要原因,提出了相应的工艺措施。生产实践表明,该工艺措施对防止气孔产生,提高铸件质量是行之有效的。Aimed to the problems of easy engendering casting defects,such as blowholes,in producing castings with limestone molding sand,the characteristic of the limestone molding sand was analyzed.The main reasons for producing casting defects were found out and the related process measures were put forward.The practice shows that the measures are effective,which can prevent the generation of blowholes and enhance the castings quality.

关 键 词：石灰石砂 铸钢件 气孔 水分 

分 类 号：TG245[金属学及工艺—铸造]