HEIDENHAIN TNC 640 (34059x-02) Cycle programming - Manual (Page 390)

Using Touch Probe Cycles
14.2 Before You Start Working with Touch Probe Cycles
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TNC 640 | User's Manual Cycle Programming | 5/2013
Touch trigger probe, probing feed rate: F in touch
probe table
In
F you define the feed rate at which the TNC is to probe the
workpiece.
Touch trigger probe, rapid traverse for positioning:
FMAX
In
FMAX you define the feed rate at which the TNC pre-positions
the touch probe, or positions it between measuring points.
Touch trigger probe, rapid traverse for positioning:
F_PREPOS in touch probe table
In
F_PREPOS you define whether the TNC is to position the touch
probe at the feed rate defined in FMAX or at rapid traverse.
Input value =
FMAX_PROBE: Position at feed rate from FMAX
Input value =
FMAX_MACHINE: Pre-position at rapid traverse