HEIDENHAIN TNC 640 (34059x-01) - Manual (Page 197)

HEIDENHAIN TNC 640 197
6.4 P
a
th Cont
ours—Car
te
sian Coor
dinat
e
s
Circular path CR with defined radius
The tool moves on a circular path with the radius R.
U Coordinates of the arc end point
U Radius R
Note: The algebraic sign determines the size of the
arc!
U Direction of rotation DR
Note: The algebraic sign determines whether the arc
is concave or convex!
U Miscellaneous function M
U Feed rate F
Full circle
For a full circle, program two blocks in succession:
The end point of the first semicircle is the starting point of the second.
The end point of the second semicircle is the starting point of the first.
X
Y
CC
S1=E
E1=S
R