HEIDENHAIN TNC 640, User Manual, Page: 778 / 948

Manual Operation and Setup | Presetting with a 3-D touch probe
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
Setting the preset using multiple holes/cylindrical studs
The manual probing function
Probing of circular pattern
is part of
the
Cir
probing function. Individual circles can be determined with
paraxial probing operations.
A second soft-key row provides the soft key
PROBING CC (Probing
of circular pattern)
for using multiple holes or circular studs to set
the preset. You can set the intersection of two or more elements
as preset.
Setting the preset in the intersection of multiple holes/
circular studs:
Pre-position touch probe
Select
Model Circle
probing function
Select the touch probe function: Press the
PROBING CC
soft key
Press the
PROBING CC (Probing of circular
pattern)
soft key
Probe a circular stud
Circular stud should be probed automatically:
Press
Stud
soft key
Enter starting angle or select using soft key
Start probing function: Press the
NC Start
key
Probe the hole.
Hole should be probed automatically: Press the
Hole
soft key
Enter starting angle or select using soft key
Start probing function: Press the
NC Start
key
Repeat the probing procedure for the remaining
elements
Terminate the probing procedure and switch to
the evaluation menu: Press the
EVALUATE
soft
key
Preset
: Enter both coordinates of the center of
the circle in the menu window
Apply with the
SET PRESET
soft key
Further information: "Writing measured values
from the touch probe cycles to a datum table",
page 756
Further information: "Writing measured values
from the touch-probe cycles to the preset table",
page 757
To terminate the probe function, press the
END
soft key