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6 programming: programming contours – HEIDENHAIN iTNC 530 (60642x-03) User Manual

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HEIDENHAIN iTNC 530

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6.1 Tool movements ..... 216

Path functions ..... 216

FK free contour programming ..... 216

Miscellaneous functions M ..... 216

Subprograms and program section repeats ..... 216

Programming with Q parameters ..... 216

6.2 Fundamentals of path functions ..... 217

Programming tool movements for workpiece machining ..... 217

6.3 Contour approach and departure ..... 221

Overview: Types of paths for contour approach and departure ..... 221

Important positions for approach and departure ..... 222

Approaching on a straight line with tangential connection: APPR LT ..... 224

Approaching on a straight line perpendicular to the first contour point: APPR LN ..... 224

Approaching on a circular path with tangential connection: APPR CT ..... 225

Approaching on a circular arc with tangential connection from a straight line to the contour: APPR LCT ..... 226

Departing on a straight line with tangential connection: DEP LT ..... 227

Departing on a straight line perpendicular to the last contour point: DEP LN ..... 227

Departing on a circular path with tangential connection: DEP CT ..... 228

Departing on a circular arc tangentially connecting the contour and a straight line: DEP LCT ..... 228

6.4 Path contours—Cartesian coordinates ..... 229

Overview of path functions ..... 229

Straight line L ..... 230

Inserting a chamfer between two straight lines ..... 231

Corner rounding RND ..... 232

Circle center CCI ..... 233

Circular path C around circle center CC ..... 234

Circular path CR with defined radius ..... 235

Circular path CT with tangential connection ..... 237

6.5 Path contours—Polar coordinates ..... 242

Overview ..... 242

Zero point for polar coordinates: pole CC ..... 243

Straight line LP ..... 243

Circular path CP around pole CC ..... 244

Circular path CTP with tangential connection ..... 245

Helical interpolation ..... 246

6 Programming: Programming contours ..... 215