HEIDENHAIN iTNC 530 (34049x-08) - Manual (Page 42)

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6.1 Tool movements ..... 218
Path functions ..... 218
FK free contour programming ..... 218
Miscellaneous functions M ..... 218
Subprograms and program section repeats ..... 218
Programming with Q parameters ..... 218
6.2 Fundamentals of path functions ..... 219
Programming tool movements for workpiece machining ..... 219
6.3 Contour approach and departure ..... 223
Overview: Types of paths for contour approach and departure ..... 223
Important positions for approach and departure ..... 224
Approaching on a straight line with tangential connection: APPR LT ..... 226
Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 226
Approaching on a circular path with tangential connection: APPR CT ..... 227
Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 228
Departing on a straight line with tangential connection: DEP LT ..... 229
Departing on a straight line perpendicular to the last contour point: DEP LN ..... 229
Departing on a circular path with tangential connection: DEP CT ..... 230
Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 230
6.4 Path contours—Cartesian coordinates ..... 231
Overview of path functions ..... 231
Straight line L ..... 232
Inserting a chamfer between two straight lines ..... 233
Corner rounding RND ..... 234
Circle center CCI ..... 235
Circular path C around circle center CC ..... 236
Circular path CR with defined radius ..... 237
Circular path CT with tangential connection ..... 239
6.5 Path contours—Polar coordinates ..... 244
Overview ..... 244
Zero point for polar coordinates: pole CC ..... 245
Straight line LP ..... 245
Circular path CP around pole CC ..... 246
Circular path CTP with tangential connection ..... 247
Helical interpolation ..... 248
6 Programming: Programming contours ..... 217