HEIDENHAIN iTNC 530 (340 49x-03) - Manual (Page 489)

HEIDENHAIN iTNC 530 489
8.9 Coor
dinat
e
T
ransf
or
mation Cy
cles
Function
Datum tables are used for
„ frequently recurring machining sequences at various locations on
the workpiece
„
frequent use of the same datum shift
Within a program, you can either program datum points directly in the
cycle definition or call them from a datum table.
8 Datum shift: Enter the number of the datum from the
datum table or a Q parameter. If you enter a
Q parameter, the TNC activates the datum number
entered in the Q parameter.
Cancellation
„ Call a datum shift to the coordinates
X=0; Y=0 etc. from the datum table.
„ Execute a datum shift to the coordinates X=0, Y=0 etc. directly with
a cycle definition.
Selecting a datum table in the part program
With the SEL TABLE function you select the table from which the TNC
takes the datums:
8 To select the functions for program call, press the
PGM CALL key.
8 Press the DATUM TABLE soft key.
8 Enter the complete path name of the datum table and
confirm your entry with the END key.
Program a SEL TABLE block before Cycle 7 Datum Shift.
A datum table selected with SEL TABLE remains active
until you select another datum table with SEL TABLE or
through PGM MGT.