HEIDENHAIN TNC 640 (34059x-05) - Manual (Page 252)

Programming: Programming contours
6.6 Path contours – FK free contour programming
6
252
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
Data relative to block N: Direction and distance of the contour
element
Soft key Known data
Angle between a straight line and another
element or between the entry tangent of
the arc and another element
Straight line parallel to another contour
element
Distance from a straight line to a parallel
contour element
Example NC blocks
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
Data relative to block N: Circle center CC
Soft key Known data
Cartesian coordinates of the circle center
relative to block N
Polar coordinates of the circle center
relative to block N
Example NC blocks
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