HEIDENHAIN iTNC 530 (340 49x-06) - Manual (Page 36)

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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
6 Programming: Programming Contours ..... 203