HEIDENHAIN iTNC 530 (340 49x-03) - Manual (Page 250)

250 6 Programming: Programming Contours
6.5 P
a
th Cont
ours—P
olar Coor
dinat
e
s
Polar coordinate origin: Pole CC
You can define the pole CC anywhere in the part program before
blocks containing polar coordinates. Enter the pole in Cartesian
coordinates as a circle center in a CC block.
8 Coordinates CC: Enter Cartesian coordinates for the
pole, or
If you want to use the last programmed position, do
not enter any coordinates. Before programming polar
coordinates, define the pole CC. You can only define
the pole CC in Cartesian coordinates. The pole CC
remains in effect until you define a new pole CC.
Example NC blocks
X
Y
CC
X
CC
Y
CC
12 CC X+45 Y+25