Spiral Point Taps

Spiral point taps are former chip removal internal thread processing tools, mainly for through hole threaded processing, According to the information, 60% of the U.S. industry through hole threaded with spiral point tap processing. Spiral point tap by tap the front made inclined downward spiral point slot discharge control chip forward. Spiral point taps, not only with the spiral groove tap, to avoid clogging the tapping caused problems to achieve efficient thread cutting;, its former chip removal function and avoid chip threading scratches, making it more with high-precision machining characteristics.

spiral point taps

Due to the spiral point groove cutting edge and chip flutes assume all cutting tasks, in the traditional sense of the tap straight flute, spiral point taps degradation as the secondary slot can take different forms. Therefore, according to the morphology of the spiral point tap straight flute, spiral point taps are classified as follows:
(1) No slot spiral point tap: this spiral point taps, spiral point slot, no other longitudinal auxiliary slot.
This can greatly improve the strength and rigidity of the spiral point taps, suitable for small size taps and power tapping condition.
(2)Spiral point taps with a sump: addition to Lo tip groove, spiral point taps open there is a very narrow, very shallow vertical sump. This allows smooth inflow of the coolant the machining area, and has a certain glitch.
(3) with auxiliary slot spiral point taps: spiral point taps that is, generally speaking, is a widely used type of structure. Spiral point taps with auxiliary tank similar straight flute tap trench auxiliary slot and the slot with the screw tip slot in the Taps calibration section intersect. This allows the coolant to flow more smoothly into the cutting area, and can eliminate large burr, suitable for the deep processing through hole threads.

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