HEIDENHAIN TNC 426B (280 472) Touch Probe Cycles - Manual (Page 69)

HEIDENHAIN TNC 426, TNC 430 57
3.2 A
u
to
matic D
at
u
m Set
ting
U U U U Datum number in table Q305: Enter the datum
number in the table in which the TNC is to save the
coordinates of the corner. If you enter Q305=0, the
TNC automatically sets the display so that the new
datum is on the corner.
U U U U New datum for reference axis Q331 (absolute):
coordinate in the reference axis at which the TNC
should set the corner. Basic setting = 0
U U U U New datum for minor axis Q332 (absolute):
coordinate in the minor axis at which the TNC should
set the corner. Basic setting = 0
Example: NC blocks
5 TCH PROBE 415 DATUM OUTSIDE CORNER
Q263=+37 ;1ST POINT 1ST AXIS
Q264=+7 ;1ST POINT 2ND AXIS
Q326=50 ;SPACING IN 1ST AXIS
Q327=45 ;SPACING IN 2ND AXIS
Q308=3 ;CORNER
Q261=-5 ;MEASURING HEIGHT
Q320=0 ;SET-UP CLEARANCE
Q260=+20 ;CLEARANCE HEIGHT
Q301=0 ;TRAVERSE TO CLEAR HEIGHT
Q304=0 ;BASIC ROTATION
Q305=8 ;NO. IN TABLE
Q331=+0 ;DATUM
Q332=+0 ;DATUM