文章介绍了导叶片精铸模模块螺旋曲面加工分析及所采用的工艺方法。实践证明,这种工艺方法是切实可行的,它能达到制造周期短,生产成本降低的目的,并能保证导叶片精铸质量。 The paper introduces the processing and analysis of the spiral curved surface of guide vane casting mold module and the technological process adopted. Practice has proved that this process is feasible, it can achieve the manufacturing cycle is short, the production cost reduction purposes, and can guarantee the guide vane casting quality.