HEIDENHAIN TNC 128 (77184x-01) - Manual (Page 444)

444 Cycles: Coordinate transformations
1
8
.3 D
A
TUM SHIFT with dat
u
m tables (Cy
c
le
7)
18.3 DATUM SHIFT with datum
tables (Cycle 7)
Effect
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.
Resetting
 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
Status displays
In the additional status display, the following data from the datum
table are shown:
 Name and path of the active datum table
 Active datum number
 Comment from the DOC column of the active datum number
N 0
N 2
N 4
N 1
N 3
N
5
Z
X
Y
Z
X
Y
X
Y
X
Y
N 0
N 2
N 1
1
2
1
2