HEIDENHAIN TNC 370 - Circular Path CP Around Pole CC

5 Programming Tool Movements
d
5.5 Path Contours - Polar Coordinates
Circular path CP around pole CC
The polar coordinate radius is also the radius of the arc. It is already
defined by the distance from the pole CC to the starting point 0.
input
l Polar coordinate angle PA for arc end point
l Direction of rotation DR
* For incremental values, enter the satms sign for DR and PA,
* You can enter values from -540aa to +5400” far PA,
E
El
t
Fig. 5.38: Circular path around a pole
/
b
,
COCIW~A~ 2
J
u
P
Select polar coordinates.
d
\
/
f
-J
: POLAR CWRDINATE ANGLE PA 1
i
I
Enter the angle PA of the arc end point, for example PA = IO”.
f-
ROTATION CzoGKm m- ?
7 -
c,
J
Set the direction of rotation for the tool path, for example negative for
clockwise rotation.
L
. . .
If necessary, enter also:
Radius compensation
Feed rate
Miscellaneous function
Resulting NC block: CP PA+ 10 DR-
d
5-30
TNC 370