Touch Trigger Probe, Probing Feed Rate: F In Touch Probe Table; Touch Trigger Probe, Rapid Traverse For Positioning: Fmax; Touch Trigger Probe, Rapid Traverse For Positioning: F_Prepos In Touch Probe Table - HEIDENHAIN TNC 620 User Manual

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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.
F can never exceed the value set in machine parameter
maxTouchFeed (No. 122602).
The feed rate potentiometer may be effective with touch probe
cycles. The machine tool builder defines the required settings.
(the parameter overrideForMeasure (No. 122604) must be
appropriately configured.)
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
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Using Touch Probe Cycles | Before You Start Working with Touch Probe Cycles
HEIDENHAIN | TNC 620 | User's manual for cycle programming | 10/2017