【摘要】 使用计算机数据采集系统测试了铸铁件消失模充型过程中负压度、模样密度、浇注温度、金属静压头等工艺因素对充型速度的影响规律。通过多元线性回归,给出了充型速度的经验计算公式,并对公式进行了验证。更多还原

【Abstract】 The influence of some process factors on the filling speed of cast iron lost foam casting was measured by use of a specially designed computer acquisition system. These factors include vacuum degree, pattern density, pouring temperature, metallic static head. An empiric formula for the calculation of filling speed was established through multiple regression. And the formula was tested through experiments.更多还原