HEIDENHAIN ITNC 530 User Manual page 21

6 Programming: Programming Contours ..... 199
6.1 Tool Movements ..... 200
Path functions ..... 200
FK Free Contour Programming ..... 200
Miscellaneous functions M ..... 200
Subprograms and program section repeats ..... 200
Programming with Q parameters ..... 200
6.2 Fundamentals of Path Functions ..... 201
Programming tool movements for workpiece machining ..... 201
6.3 Contour Approach and Departure ..... 205
Overview: Types of paths for contour approach and departure ..... 205
Important positions for approach and departure ..... 205
Approaching on a straight line with tangential connection: APPR LT ..... 208
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 208
Approaching on a circular path with tangential connection: APPR CT ..... 209
Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 210
Departing on a straight line with tangential connection: DEP LT ..... 211
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 211
Departure on a circular path with tangential connection: DEP CT ..... 212
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 212
6.4 Path Contours-Cartesian Coordinates ..... 213
Overview of path functions ..... 213
Straight Line L ..... 214
Inserting a Chamfer CHF between Two Straight Lines ..... 215
Corner Rounding RND ..... 216
Circle center CC ..... 217
Circular path C around circle center CC ..... 218
Circular path CR with defined radius ..... 219
Circular Path CT with Tangential Connection ..... 220
6.5 Path Contours-Polar Coordinates ..... 225
Overview ..... 225
Polar coordinate origin: Pole CC ..... 226
Straight line LP ..... 227
Circular path CP around pole CC ..... 227
Circular Path CTP with Tangential Connection ..... 228
Helical interpolation ..... 229
HEIDENHAIN iTNC 530 21