In order to overcome the shortages of brittleness and poor wear-resistant of the grinding ball in use, according to non-equilibrium crystallizing properties of metal mould nodular iron balls, a new process design project was put forward.

• 为克服磨球在使用过程中性脆、耐磨性不好的缺陷，根据金属型球铁磨球非平衡凝固特性，提出了金属型球铁磨球的工艺设计方案。