New Casting Process Pouring into Shell Mold Made from Lost Foam Pattern and under Negative Pressure
Author of the article:LIU Lizhong;JIA Jiangying;DAI Shenmei
Author's Workplace：Hangzhou Regular Casting Equipment Co.,Ltd.,Hangzhou 311400,China;Henan Tianjuyuan New Material Technology Co.,Ltd.,Xinxiang 453000,China;Ahui Research Institute of Mechanical Science,Hefei 230022,China
Key Words：lost foam casting baking foam pattern pouring shell mold made from lost foam pattern and under negative pressure
Abstract：
A new casting process is described.In this process shell mold is made from lost foam,the foam is completely removed by baking in a kiln.The shell mold then is placed in a box and supported by loss dry sand covered with plastic film.Liquid metal is poured into shell mold cavity under negative pressure.Detailed process is explained by cast steel rope clips with this method.
