HEIDENHAIN TNC 620 User Manual page 235

Setup | Presetting with a 3-D touch probe (option number 17)
Setting the preset using multiple holes or circular studs
The manual Probing of circular pattern probing function is part
of the Cir probing function. Individual circles can be measured with
paraxial probing operations.
A second soft-key row provides the PROBING CC (probing of
circular pattern) soft key for using multiple holes or circular studs
to set the preset. You can set the intersection of three or more
elements to be probed as a preset.
Setting the preset in the intersection of multiple holes or circular
studs:
Pre-position touch probe
Select the Probing CC 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 the X and the Y 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 213
Further information: "Writing measured values
from the touch probe cycles to the preset table",
Page 214
Terminate the probing function: Press the END
soft key
HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022
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