HEIDENHAIN iTNC 530 (340 49x-04) - Manual (Page 28)

28
6.1 Tool Movements ..... 236
Path functions ..... 236
FK free contour programming ..... 236
Miscellaneous functions M ..... 236
Subprograms and program section repeats ..... 236
Programming with Q parameters ..... 237
6.2 Fundamentals of Path Functions ..... 238
Programming tool movements for workpiece machining ..... 238
6.3 Contour Approach and Departure ..... 242
Overview: Types of paths for contour approach and departure ..... 242
Important positions for approach and departure ..... 242
Approaching on a straight line with tangential connection: APPR LT ..... 244
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 244
Approaching on a circular path with tangential connection: APPR CT ..... 245
Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 246
Departing on a straight line with tangential connection: DEP LT ..... 247
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 247
Departure on a circular path with tangential connection: DEP CT ..... 248
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 248
6.4 Path Contours—Cartesian Coordinates ..... 249
Overview of path functions ..... 249
Straight line L ..... 250
Inserting a chamfer CHF between two straight lines ..... 251
Corner rounding RND ..... 252
Circle center CC ..... 253
Circular path C around circle center CC ..... 254
Circular path CR with defined radius ..... 255
Circular path CT with tangential connection ..... 256
6.5 Path Contours—Polar Coordinates ..... 261
Overview ..... 261
Polar coordinate origin: Pole CC ..... 262
Straight line LP ..... 263
Circular path CP around pole CC ..... 263
Circular path CTP with tangential connection ..... 264
Helical interpolation ..... 265
6 Programming: Programming Contours ..... 235