中间一刀、然后扎俩边

主要中间的圆弧不会编

我车过一个类似的，用的是2㎜切断刀磨斜刃，两把，左右接刀

目测中间圆弧没啥用，避空而已

外弧后车，两头先车内撑一顶

斜线怎么没尺寸？

是这样的吗？

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精车程序 r2球刀 转数自己配合

这个精加工程序10句之前的是宏程序吗？精加工程序是不是从11句开始的？

第一面先车内孔，外圆倒角就行，第二面加小卡盘撑内孔（车之前爪子车正），上顶针先车外圆，在车反面内孔！外圆先车斜度，换r刀车圆弧！