Circular path c around circle center cc, Circle c, 4 p a th cont ours — car tesian coor dinat e s – HEIDENHAIN TNC 426 (280 476) User Manual
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6 Programming: Programming Contours
6.4 P
a
th Cont
ours
—
Car
tesian Coor
dinat
e
s
Circular path C around circle center CC
Before programming a circular path C, you must first enter the circle
center CC. The last programmed tool position before the C block is
used as the circle starting point.
7
7
7
7
Move the tool to the circle starting point.
7
7
7
7
Coordinates
of the circle center
7
7
7
7
Coordinates
of the arc end point
7
7
7
7
Direction of rotation DR
Further entries, if necessary:
7
7
7
7
Feed rate F
7
7
7
7
Miscellaneous function M
Example NC blocks
Full circle
Enter the same point you used as the starting point for the end point
in a C block.
5 CC X+25 Y+25
6 L X+45 Y+25 RR F200 M3
7 C X+45 Y+25 DR+
The starting and end points of the arc must lie on the
circle.
Input tolerance: up to 0.016 mm (selected with MP7431).
S
E
X
Y
CC
X
Y
25
45
25
CC