基于体收缩原则的铸造模具镶块保温冒口设计研究  

Design of Insulated Riser of Cast Inserted Die Based on Principle of Volume Contraction of Freezing

作　　者：刘金海[1] 刘根生[1] 郝晓燕[1] 李国禄[1] 张宏标[1] 孔凡东 

机构地区：[1]河北工业大学材料科学与工程学院,天津3001322 [2]曲阜市华龙铸造材料有限公司,山东曲阜273115

出　　处：《铸造》2006年第1期23-26,共4页Foundry

摘　　要：根据体收缩原则,研究了适用于模具镶块铸钢件加发热覆盖剂保温的冒口设计工艺。研究得出了发热覆盖剂加入量与保温冒口直径的关系,保温冒口的等效模数,以及根据铸件质量选择冒口直径的图表。实践证明,应用体收缩法设计模具钢镶块铸件的冒口工艺简单、实用,有效地提高了生产效率。保温冒口和发热覆盖剂的应用显著提高了模具镶块铸钢件的工艺出品率和冒口的补缩效率,综合经济效益显著。Based on the principle of volume contraction of freezing, the designing process of riser fitting to the cast steel inserted die with exothermic covering flux has been studied. And the exothermic covering flux addition amount dependence of riser diameters, the equivalent modulus dependence of riser diameters and the casting weight dependence of riser diameters have been obtained. The application has proved that the riser design of cast inserted die was simple and practical with use of volume contraction principle, and the productivity increased effectively. The application of the insulated riser and the exothermic covering flux remarkably increased the metal availability of castings and the feeding efficiency of riser. The comprehensive economic performance is obvious.

关 键 词：铸钢件 模具镶块 保温冒口 发热剂 体收缩 

分 类 号：TG260[金属学及工艺—铸造]