HEIDENHAIN TNC 620 User Manual page 254

6
Programming: Programming Contours
6.6 Path contours – FK free contour programming
Data relative to block N: Direction and distance of the contour
element
Soft key
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
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
254
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
Known data
Cartesian coordinates of the circle center
relative to block N
Polar coordinates of the circle center
relative to block N
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015