HEIDENHAIN TNC 426 (280 476) - Manual (Page 189)

162 6 Programming: Programming Contours
6.6 P
a
th Cont
ours
—
FK F
ree Cont
our Pr
ogr
a
mming
Input possibilities
End point coordinates
Example NC blocks
Direction and length of contour elements
Example NC blocks
Known data Soft keys
Cartesian coordinates X and Y
Polar coordinates referenced to FPOL
7 FPOL X+20 Y+30
8 FL IX+10 Y+20 RR F100
9 FCT PR+15 IPA+30 DR+ R15
Known data Soft keys
Length of a straight line
Gradient angle of a straight line
Chord length LEN of the arc
Gradient angle AN of the entry tangent
Angle of the leading axis to the arc end point
27 FLT X+25 LEN 12.5 AN+35 RL F200
28 FC DR+ R6 LEN 10 A-45
29 FCT DR- R15 LEN 15
X
Y
20
30
10
20
R15
30°
X
Y
LEN
AN