HEIDENHAIN TNC 426, User Manual

Page: 166 / 502

140 6 Programming: Programming Contours
6.4 P
a
th Cont
ours — Car
tesian Coor
dinat
e
s
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
Further entries, if necessary:
U Radius compensation RL/RR/R0
U Feed rate F
U Miscellaneous function M
Example NC blocks
Actual position capture
You can also generate a straight-line block (L block) by using the
ACTUAL-POSITION-CAPTURE key:
U In the Manual Operation mode, move the tool to the position you
wish to capture.
U
Switch the screen display to Programming and Editing.
U Select the program block after which you want to insert the L block.
U
Press the ACTUAL-POSITION-CAPTURE key: The
TNC generates an L block with the actual position
coordinates.
7 L X+10 Y+40 RL F200 M3
8 L IX+20 IY-15
9 L X+60 IY-10
In the MOD function, you define the number of axes that
the TNC saves in an L block (see “MOD functions,” page
418).
X
Y
60
15
40
10
10
20