高强度灰铸铁飞轮壳无冒口铸造工艺  

作　　者：张红梅 

机构地区：[1]江苏松林汽车零部件有限公司

出　　处：《科技创新与应用》2019年第32期103-104,108,共3页Technology Innovation and Application

摘　　要：采用潮模砂铸造工艺,多触头高压造型机,中频电炉熔炼铁液,通过合理控制铁液化学成分及低合金化,复合孕育和增硫工艺,采用中间底注式分散内浇道浇注方式,使HT300飞轮壳无冒口铸造工艺得到实现,且已实现批量生产无一例装机使用后出现开裂现象。铸件的工艺出品率达到92%,降低铸造成本达10%。Adopting wet mold sand casting process,multi-contact high pressure molding machine,medium frequency electric furnace melting molten iron,reasonable control of molten iron chemical composition and low alloying,compound inoculation and sulfur addition process,intermediate bottom casting dispersed internal pouring mode is adopted.The casting process of HT300 flywheel shell without riser has been realized,and no cracking has occurred after installation and use in batch production.The technological yield of castings is 92%,and the casting cost is reduced by 10%.

关 键 词：HT300 无冒口 铸造工艺 

分 类 号：TG251.1[金属学及工艺—铸造]