通过完整的试验装置及计算机数据采集系统测试了铸铁件消失模铸造的充型过程。通过正交试验研究了不同工艺因素对充型速度影响的程度,并对主要工艺因素的影响规律进行了分析。结果表明,各因素对铸铁件消失模铸造充型速度影响程度的大小顺序为:真空度、模样密度、浇注温度、直浇道高度、模样厚度、涂层透气性、内浇道尺寸。 Through a complete test device and computer data acquisition system tested cast iron mold filling process of filling. Through orthogonal test, the influence of different process factors on filling speed was studied, and the influence rules of main process factors were analyzed. The results show that the factors influencing the filling speed of the lost foam casting of cast iron are as follows: degree of vacuum, density of sample, pouring temperature, height of sprue, thickness of sample, permeability of coating, size of ingate.