Under the numerical control technology the spiralmilling cutter may gain satisfactory product. But undoubtedly the reduce dimension's technology provides possibility of saving its cost.
螺旋铣刀在数控技术下可获满意产品，但降维技术无疑为其节省成本提供可能。
2
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.
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。
3
The characteristic values of vibration signals were used as testing parameters of tool wear for milling special shaped spiral rods.