HEIDENHAIN ITNC 530 - CONVERSATIONAL PROGRAMMING User Manual page 36

6 Programming: Programming Contours ..... 203
6.1 Tool Movements ..... 204
Path functions ..... 204
FK free contour programming ..... 204
Miscellaneous functions M ..... 204
Subprograms and program section repeats ..... 204
Programming with Q parameters ..... 204
6.2 Fundamentals of Path Functions ..... 205
Programming tool movements for workpiece machining ..... 205
6.3 Contour Approach and Departure ..... 209
Overview: Types of paths for contour approach and departure ..... 209
Important positions for approach and departure ..... 210
Approaching on a straight line with tangential connection: APPR LT ..... 212
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 212
Approaching on a circular path with tangential connection: APPR CT ..... 213
Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 214
Departing on a straight line with tangential connection: DEP LT ..... 215
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 215
Departure on a circular path with tangential connection: DEP CT ..... 216
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 216
6.4 Path Contours-Cartesian Coordinates ..... 217
Overview of path functions ..... 217
Straight line L ..... 218
Inserting a chamfer between two straight lines ..... 219
Corner rounding RND ..... 220
Circle center CCI ..... 221
Circular path C around circle center CC ..... 222
Circular path CR with defined radius ..... 223
Circular path CT with tangential connection ..... 225
6.5 Path Contours-Polar Coordinates ..... 230
Overview ..... 230
Zero point for polar coordinates: pole CC ..... 231
Straight line LP ..... 231
Circular path CP around pole CC ..... 232
Circular path CTP with tangential connection ..... 233
Helical interpolation ..... 234
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