The helicoidal surfaces are produced mostly by form cutting with forming cutters of end mill type, side mill type or disc type.

螺旋面大多数是用球头铣刀、侧铣刀、盘形刀具成形加工出来的。

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The helicoidal surfaces are produced mostly by form cutting with forming cutters of end mill type, side mill type or disc type.

螺旋面大多数是用球头铣刀、侧铣刀、盘形刀具成形加工出来的。

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