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.
介绍了在普通数控铣床上利用简易铣齿装置加工锥形螺旋铣刀的方法及成形原理。
The NC machining method by using a simple milling tooth device and the forming principle of bevel helical milling cutters are introduced.
测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。
The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.
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