How to distinguish between a screw tap and a spiral tap
Release time:
2024-07-03
In simple terms, the tip tap is the tip tap, which is suitable for through hole thread processing and pin down. The spiral tap is the upper row of pin taps, suitable for blind hole thread processing.
The screw tip tap is a deformation of the straight groove tap, which was invented in 1923 by Ernst Reime, founder of NORIS company in Germany. On the side of the cutting edge of the straight groove to form an angle, the chips are discharged forward along the direction of the feed. Suitable for through hole processing. The spiral fluted tap is a kind of commonly used in zui. Different spiral angles are used according to different working conditions, and the common ones are right-handed 15 ° and 42 °. Generally speaking, the larger the helix angle, the better the chip removal performance.
The screw tip tap is also called the tip tap and the chip flute tap. It is mainly used for the thread cutting operation of various through hole materials. The tip tap has the same straight groove as the general straight flute tap, but there is a specially designed spiral groove at the front end of its cutting part, which is used to rotate and push the cutting to discharge from the bottom of the hole. Because the tip tap has the function of rotating and discharging chips, in addition to keeping the groove clean to reduce the resistance of cutting, and can avoid the damage of the tap caused by cutting blockage, so the tip tap can be used faster than the general straight groove tap to cut high precision thread.
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2024-07-03
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