弧面分度凸轮轮廓面为一空间不可展开螺旋面，传统的加工工艺很难满足其精度要求。
Since the profile of the globoidal indexing cam is a spiral surface, traditional machining technology couldn't meet it's accuracy demands.
分析了微型螺旋面叶轮的结构和工艺特点，介绍了应用高精度万能铣床和特殊刀具加工该种叶轮的方法。
This paper analyzes the structure and characteristic of mini spiral face impeller, and introduces a new method by the use of milling machine and special cutting tool.
螺旋面大多数是用球头铣刀、侧铣刀、盘形刀具成形加工出来的。
The helicoidal surfaces are produced mostly by form cutting with forming cutters of end mill type, side mill type or disc type.
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