HEIDENHAIN TNC 310 (286 140) - Manual (Page 83)

71 HEIDENHAIN TNC 310
6.4 P
ath Cont
ours
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Car
tesian Coor
dinat
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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.
ú Move the tool to the circle starting point.
ú Select circle functions: Press the „CIRCLE“ soft key
(2nd soft-key row)
ú Enter the coordinates of the circle center.
ú Enter the coordinates of the arc end point
ú Direction of rotation DR
Further entries, if necessary:
ú Feed rate F
ú Miscellaneous function M
Example NC blocks
5 CC X+25 Y+25
6 L X+45 Y+25 RR F200 M3
7 C X+45 Y+25 DR+
Full circle
Enter the same point you used as the starting point for the end
point in a C block.
The starting and end points of the arc must lie on the
circle.
Input tolerance: up to 0.016 mm.
X
Y
25 45
25
CC
S E
X
Y
CC
6.4 P
ath Cont
ours
—
Car
tesian Coor
dinat
es