The tapping method can be roughly divided into flexible tapping and rigid tapping due to different machine tools; tapping processing is divided into: through-hole tapping and blind-hole tapping according to different bottom hole modes.
Rigid tapping : The precision of the machine tool is good, the spindle feed and the tap pitch can be kept consistent. In this case, the general tapping chuck can be used.
Flexible tapping : The accuracy of the machine tool is poor. The spindle feed cannot be strictly according to the tap pitch. In this case, the compensable floating chuck should be used to compensate the error between the feed of the machine tool and the pitch of the tap, and the guide tap is fed according to the pitch.
Through-hole tapping : Chips are discharged toward the tapping feed direction, which can reduce chip clogging and chip scratching and squeezing of the machined surface, and improve tapping processing accuracy;
Blind hole tapping: the chips are discharged in the direction of the tap handle to prevent the chips from being clogged in the chip flute and falling at the bottom of the hole, resulting in an increase in cutting force;
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