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在椭圆偏心率不大的情况下 ,用 4段圆弧代替椭圆节曲线。且以每段圆弧上的圆弧半径作为各自的节圆半径 ,然后运用普通数控铣床或数控线切割机就可加工出近似的椭圆齿轮。此方法也可用于其它非圆齿轮的加工。
In the case of small elliptic eccentricity, replace elliptic curve with 4 arcs. And the arc radius of each arc as their pitch radius, and then use the ordinary CNC milling machine or CNC wire cutting machine can be processed to approximate the oval gear. This method can also be used for other non-circular gear machining.