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User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

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11 Tables, Overviews, Diagrams<br />

11.4 Diagrams for Machining<br />

Feed rate F for tapping<br />

<strong>TNC</strong> <strong>360</strong><br />

The feed rate for tapping F is calculated from the thread pitch p and the<br />

spindle speed S:<br />

F = p . S<br />

Units:<br />

F in mm/min<br />

p in mm/1<br />

S in rpm<br />

The feed rate for tapping can be read directly from the diagram below.<br />

Example:<br />

Thread pitch p = 1 mm/rev<br />

Spindle speed S = 100 rpm<br />

Feed rate for tapping F = 100 mm/min<br />

Thread pitch<br />

p [mm/rev]<br />

Spindle speed<br />

S [rpm]<br />

11-17

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