本文分析了成型铣刀刀刃曲线的几何性质，推导出它的数学方程，求取铣刀上圆盘刀片中心坐标，为成型铣刀的计算机辅助设计奠定了理论基础。
This paper analyses the geometrical character of curve of edge of form milling cutter, and infers the mathematical equations of curve, The center coordinates of conical button-shaped are evaluated.
通过分析铣刀刀刃曲线的几何性质，推导出它的数学方程，进而求取刀片中心位置坐标，完成刀刃曲线的计算机辅助设计。
We analyzed the geometric property of edge curve of formed milling cutter, deduced the curve's mathematics equation, got the center coordinate of disc blade, and designed the edge curve by CAD.
刀刃，斧刃工具的锋利部分，如刀片或斧头切割边。
The sharp part of a tool, such as the cutting edge of a knife or ax.
本实用新型的弧形刀片的弧度可调且正面和侧面都有刀刃，可以卫生方便的去除西瓜瓤。
The radian of the arc-shaped blade can be adjusted, the frontal area and the lateral faces are provided with the knife edges, and the watermelon seeds can be removed sanitarily and conveniently.
刀片为四个锯齿状刀刃，与备用的3个刀片相同。
Blades have four cutting edges that are serrated, same as having 3 spare blades.
刀片为四个锯齿状刀刃，与备用的3个刀片相同。
Blades have four cutting edges that are serrated, same as having 3 spare blades.
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