HEIDENHAIN TNC 640 (34059x-01) ISO programming - Manual (Page 182)

182 Programming: Programming Contours
6.4 P
a
th Cont
ours—Car
te
sian Coor
dinat
e
s
6.4 Path Contours—Cartesian
Coordinates
Overview of path functions
Programming path functions
You can program path functions conveniently by using the gray path
function keys. In further dialogs, you are prompted by the TNC to
make the required entries.
Function Path function key Tool movement Required input Page
Line L Straight line Coordinates of the end
points of the straight line Page 183
Chamfer CHF Chamfer between two
straight lines Chamfer side length Page 184
Circle Center CC None Coordinates of the circle
center or pole Page 186
Circle C
Circular arc around a circle
center CC to an arc end point Coordinates of the arc end
point, direction of rotation Page 187
Circular arc CR
Circular arc with a certain
radius Coordinates of the arc end
point, arc radius, direction of
rotation Page 188
Circular arc CT
Circular arc with tangential
connection to the preceding
and subsequent contour
elements Coordinates of the arc end
point Page 190
Corner Rounding RND
Circular arc with tangential
connection to the preceding
and subsequent contour
elements Rounding radius R Page 185
If you enter DIN/ISO functions via a connected USB
keyboard, make sure that capitalization is active.