HEIDENHAIN TNC 620 User Manual page 530

14
Manual Operation and Setup
14.10 Datum setting with a 3-D touch probe
Setting the datum using multiple holes/cylindrical studs
The manual probing function Model Circle is part of the Circle
probing function. Individual circles can be determined with paraxial
probing operations.
A second soft-key row contains the PROBING CC (Model Circle)
soft key, with which you can set the datum for the arrangement of
several holes or circular studs. You can set the intersection of two
or more elements to be probed as a datum.
Setting the datum 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 (Model Circle) 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 soft
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 soft
key
Repeat the probing procedure for the remaining
elements
Terminate the probing procedure and switch to the
evaluation menu: Press the EVALUATE soft key
Datum: Enter both coordinates of the center of the
circle in the menu window, confirm with the SET
DATUM soft key or write values to a table
Further Information:
from the touch probe cycles to a datum table,
page 511
Further Information:
from the touch probe cycles to the preset table,
page 512
Terminate the probe function by pressing the END
soft key
530
Writing measured values
Writing measured values
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015