分析了立式离心铸造磨球充型过程的影响因素，并对立式离心铸造磨球充型过程的轨迹进行了计算，发现在离心力作用下，无论初始条件如何变化，充型过程的轨迹都为近似渐开线．由于初始条件不同，轨迹形状和充型时间将发生变化．通过对不同横浇道形状的水模拟试验得到：近似于离心力场中运动轨迹的横浇道形状型腔中的液体量最多，其次是折线形和喇叭形的，长直形的最差． The factors that affect the filling process of the vertical centrifugal casting ball are analyzed. The trajectory of the filling process of the vertical centrifugal casting ball is calculated. It is found that under the action of centrifugal force, regardless of the initial conditions, the trajectory of filling process For the approximate involute. Due to the different initial conditions, trajectory shape and filling time will change. Through the water simulation experiments on different runner shapes, it is found that the amount of liquid in the runner shape cavity which is similar to the locus of motion in the centrifugal force field is the highest, followed by the polygonal shape and the flared shape, and the long straight shape is the worst.