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Path contours – fk free contour programming 6.6 – HEIDENHAIN TNC 640 (34059x-04) User Manual

Page 243

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Path contours – FK free contour programming

6.6

6

TNC 640 | User's Manual

HEIDENHAIN Conversational Programming | 3/2014

243

Data relative to block N: Direction and distance of the contour
element

Known data

Soft key

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

Known data

Soft key

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