HEIDENHAIN TNC 640 (34059x-01) ISO programming User Manual
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Miscellaneous functions M ..... 174
Subprograms and program section repeats ..... 174
Programming with Q parameters ..... 174
6.2 Fundamentals of Path Functions ..... 175
Programming tool movements for workpiece machining ..... 175
6.3 Contour Approach and Departure ..... 178
Starting point and end point ..... 178
Tangential approach and departure ..... 180
6.4 Path Contours—Cartesian Coordinates ..... 182
Overview of path functions ..... 182
Programming path functions ..... 182
Straight line at rapid traverse G00
Straight line with feed rate G01 F ..... 183
Inserting a chamfer between two straight lines ..... 184
Circular path C around circle center CC ..... 187
Circular path G02/G03/G05 with defined radius ..... 188
Circular path G06 with tangential connection ..... 190
6.5 Path Contours—Polar Coordinates ..... 195
Zero point for polar coordinates: pole I, J ..... 196
Straight line at rapid traverse G10
Straight line with feed rate G11 F ..... 196
Circular path G12/G13/G15 around pole I, J ..... 197
Circular path G16 with tangential connection ..... 198