加工孔口倒圆角时，通常可以用成型刀来加工，但是当倒角半径比较特殊时用传统的方法加工就比较困难。
The forming cutter can usually be used to process the orifice chamfering, but when the chamfering radius is special, it is more difficult to use the traditional method to process.
加工孔口倒圆角时，通常可以用成型刀来加工，但是当倒角半径比较特殊时用传统的方法加工就比较困难。
The forming cutter can usually be used to process the orifice chamfering, but when the chamfering radius is special, it is more difficult to use the traditional method to process.
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