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POWER TAPPING GUIDE

Based on material find s uggested cutting speed range (given in Feet Per Minute) Adjust to upper or lower end of range based on other conditions Find desired spindle speed based on tap diameter and cutting speed

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POWER TAPPING GUIDE

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  1. Based on material find suggested cutting speed range (given in Feet Per Minute) Adjust to upper or lower end of range based on other conditions Find desired spindle speed based on tap diameter and cutting speed Allow Mastercam X to calculate feed rate or allow tap to feed itself in and out (manual mill) ALWAYS OIL WELL WHEN TAPPING • Step: 2 • Use Lower Range If: • Thread pitch is course • Hole is deep • ‘Spiral-flute’ or ‘bottom’ lead tap is used • If cutting ‘Taper,’ ‘Acme,’ or ‘Trapezoidal’ threads use 50% normal speed • Use Upper Range If: • Thread pitch is fine • Hole is shallow • Spiral-point taps are used POWER TAPPING GUIDE

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