HEIDENHAIN TNC 320 (340 55x-05) Cycle programming - Manual (Page 246)

246 Cycles: Coordinate Transformations
1
1
.3 D
A
TUM SHIFT with D
a
tu
m T
a
bles (Cy
c
le
7,
DIN/ISO:
G53)
11.3 DATUM SHIFT with Datum
Tables (Cycle 7, DIN/ISO: G53)
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