关于大型支梁球墨铸铁的生产

A Large of Girder Nodular Cast Iron Manufacture

为来自铸造有限公司生产大型支梁球墨铸铁产生的粘砂、疏松缩孔，石墨漂浮、气孔、球化衰退原因进行分析，并根据本人生产实际中提出一些对策，成功解决以上产生的缺陷。

This thesis analysis the reason of which give birth to abreuvage, shrinkage, graphite floatation, pore, and decaying by foundry company limited produce a large of girder nodular cast iron. Through my practice, raise some countermeasure, and resolve above problem successfully.