用V法造型工艺生产机床铸件

介绍了采用V法造型工艺生产T型槽机床铸件的装备、工艺过程和工艺特点,分析了造型过程中存在的问题及解决方法,指出V法造型工艺生产铸件易产生机械粘砂、塌砂、拔缝及厚度增加和气孔缺陷,并提供了应对方法。

Using Vacuum Molding Process to Produce Machine Tool Castings

An introduction was made to the equipments,production process and characteristics of vacuum molding process used for production of machine tool casting with T-shaped slot.The problems existing in molding process and their solutions were analyzed.It was pointed out that the castings produced with V -process is prone to suffer metal penetration,sand collapse,fins,thickness increase and blowhole,and the countermeasures were suggested.