HEIDENHAIN TNC 640 User Manual page 324

7
Data relative to block N: Direction and distance of the contour
element
Soft key
Example
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
Example
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*
324
Programming Contours | Path contours – FK free contour programming
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 640 | ISO Programming User's Manual | 10/2017