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HEIDENHAIN TNC 640 (34059x-02) Cycle programming User Manual

Page 95

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SINGLE-LIP D.H.DRLNG (Cycle 241, DIN/ISO: G241)

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TNC 640 | User's Manual Cycle Programming | 5/2013

95

Drilling speed Q428: Desired speed for drilling.
Input range 0 to 99999

M function for coolant on? Q429: M function for
switching on the coolant. The TNC switches the
coolant on if the tool is in the hole at the deepened
starting point. Input range 0 to 999

M function for coolant off? Q430: M function for
switching off the coolant. The TNC switches the
coolant off if the tool is at the hole depth. Input
range 0 to 999