根据六轴并联机床加工汽轮机叶片存在的问题 ,提出在机床工作台上串联一个数控转台 ,实现七轴联动 ,以提高叶片加工的质量和效率 ,并提出了用七轴并联机床加工叶片的加工方案和加工工艺 ;提出了利用Uni graphics(UG)进行叶片的辅助加工 ,包括生成叶片的三维造型、进行刀具轨迹编程和加工仿真 ;提出了在UG POST的基础上开发面向并联机床的后置处理器的方法 ,以及七轴并联机床加工的后置处理算法 According to the existing problems of steam turbine blade machining in six axis parallel machine tool, a numerical control turntable is put in series on the machine tool table to realize the seven axis linkage to improve the quality and efficiency of the blade machining. The machining scheme of the blade machining with seven axis parallel machine tools And machining technology. The auxiliary machining of the blade using Uni graphics (UG) is proposed, including the generation of the three-dimensional modeling of the blade, the tool path programming and the machining simulation. A post-processor for parallel machine tool based on UG POST is proposed Method, and seven-axis parallel machine tool post-processing algorithm