HEIDENHAIN TNC 620 User Manual page 37

6.5 Path contours - Polar coordinates.................................................................................................... 264
Overview............................................................................................................................................... 264
Zero point for polar coordinates: pole I, J............................................................................................ 265
Straight line in rapid traverse G10 or straight line with feed rate F G11............................................... 265
Circular path G12/G13/G15 around pole I, J......................................................................................... 266
Circle G16 with tangential connection..................................................................................................266
Helix.......................................................................................................................................................267
Example: Linear movement with polar coordinates............................................................................. 269
Example: Helix...................................................................................................................................... 270
6.6 Path contours - FK free contour programming (option 19)............................................................271
Fundamentals........................................................................................................................................ 271
FK programming graphics..................................................................................................................... 273
Initiating the FK dialog.......................................................................................................................... 274
Pole for FK programming......................................................................................................................274
Free straight line programming.............................................................................................................275
Free circular path programming............................................................................................................ 276
Input possibilities.................................................................................................................................. 277
Auxiliary points...................................................................................................................................... 280
Relative data..........................................................................................................................................281
Example: FK programming 1................................................................................................................ 283
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
37