HEIDENHAIN TNC 640 (34059x-05) ISO programming - Manual (Page 250)

Programming: Programming contours
6.6 Path contours – FK free contour programming
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TNC 640 | User's ManualDIN/ISO 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
N10 FL LEN 20 AN+15
N20 FL AN+105 LEN 12.5
N30 FL PAR 10 DP 12.5
N40 FSELECT 2
N50 FL LEN 20 IAN+95
N60 FL IAN+220 RAN 20
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
N10 FL X+10 Y+10 G41
N20 FL ...
N30 FL X+18 Y+35
N40 FL ...
N50 FL ...
N60 FC DR- R10 CCA+0 ICCX+20 ICCY-15 RCCX10 RCCY30