HEIDENHAIN TNC 620 (340 56x-03) - Manual (Page 174)

174 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
Straight line L
The TNC moves the tool in a straight line from its current position to
the straight-line end point. The starting point is the end point of the
preceding block.
U Coordinates of the end point of the straight line, if
necessary
U Radius compensation RL/RR/R0
U Feed rate F
U Miscellaneous function M
Function Path function key Tool movement Required input Page
Line L Straight line Coordinates of the end
points of the straight line Page 174
Chamfer CHF Chamfer between two
straight lines Chamfer side length Page 176
Circle Center CC None Coordinates of the circle
center or pole Page 178
Circle C
Circular arc around a circle
center CC to an arc end point Coordinates of the arc end
point, direction of rotation Page 179
Circular arc CR
Circular arc with a certain
radius Coordinates of the arc end
point, arc radius, direction of
rotation Page 180
Circular arc CT
Circular arc with tangential
connection to the preceding
and subsequent contour
elements Coordinates of the arc end
point Page 182
Corner Rounding RND
Circular arc with tangential
connection to the preceding
and subsequent contour
elements Rounding radius R Page 177
FK Free Contour
Programming Straight line or circular path
with any connection to the
preceding contour element see "Path Contours—FK
Free Contour Programming
(Advanced Programming
Features Software Option)",
page 195 Page 198
X
Y
60
15
40
10
10
20