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车削盲孔螺纹的常规方法,是从外向里。当螺纹车刀进入盲孔底部的退刀槽,即时停车退刀,这样对操作要求较高。如果从盲孔底部退刀槽由里向外车削,仅
The conventional method of turning a blind hole thread is from outside to inside. When the thread turning tool enters the undercut groove at the bottom of the blind hole, immediate stop and retraction will require higher operation. If the undercut from the bottom of the blind hole is turned from the inside to the outside, only