HEIDENHAIN TNC 426 B, User Manual

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124
6 Programming: Programming Contours
6.6 P
ath Cont
ours — FK F
ree Cont
our Pr
ogr
amming
X
Y
18 10
35
10
R10
20
CC
15
X
Y
105°
12.5
12.5
95°
220°
15°
20
20
X
Y
35
10
10
20° R20
20
45°
20
FPOL
90°
Relative data for circle center coordinates Soft key
CC coordinates relative to an end point of block N
Change in the polar coordinate radius relative to block N
Change in the polar coordinate angle relative to block N
Example NC blocks
The known coordinates are relative to block N (see figure at upper
right):
12 FPOL X+10 Y+10
13 FL PR+20 PA+20
14 FL AN+45
15 FCT IX+20 DR– R20 CCA+90 RX 13
16 FL IPR+35 PA+0 RPR 13
The known direction and the known distance from the contour
element are relative to block N (see figure at center right):
17 FL LEN 20 AN+15
18 FL AN+105 LEN 12.5
19 FL PAR 17 DP 12.5
20 FSELECT 2
21 FL LEN 20 IAN+95
22 FL IAN+220 RAN 18
The known circle center coordinates are relative to block N (see
figure at lower right):
12 FL X+10 Y+10 RL
13 FL ...
14 FL X+18 Y+35
15 FL ...
16 FL ...
17 FC DR– R10 CCA+0 ICCX+20 ICCY-15 RCCX12 RCCY14
Gkap6.pm6 30.06.2006, 07:04 124
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