By mean of adjusting the position and shaps of risers, shrinkages and porosities in balancing axle case are eliminated on the principle of direirional solidification, its density is also improved.

• 根据动态顺序凝固的原则,对斯太尔平衡轴壳铸钢件设计合理的冒口位置和形状;有效地消除了铸件热节部位的缩孔,提高铸件的致密度。