Based on the permanent mold casting process of Al-piston, with top insulating riser feeding process, semi-permanent insulating sleeves matching permanent mold casting process of Al-piston have been designed. 根据金属型铸造铝活塞的工艺特点,采用顶部保温冒口补缩工艺,设计了能与铝活塞金属型铸造工艺相匹配的半永久型保温冒口套。
Study on Semi-permanent Insulating Riser for Permanent Mold Casting of Al-piston 金属型铸造铝活塞半永久型保温冒口工艺研究