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HEIDENHAIN iTNC 530 (340 420) User Manual

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XVIII

8.5 Cycles for Machining Hole Patterns ..... 287

Overview ..... 287

CIRCULAR PATTERN (Cycle 220) ..... 288

LINEAR PATTERN (Cycle 221) ..... 290

8.6 SL Cycles ..... 294

Fundamentals ..... 294

Overview of SL cycles ..... 295

CONTOUR GEOMETRY (Cycle 14) ..... 296

Overlapping contours ..... 296

CONTOUR DATA (Cycle 20) ..... 299

REAMING (Cycle 21) ..... 300

ROUGH-OUT (Cycle 22) ..... 301

FLOOR FINISHING (Cycle 23) ..... 302

SIDE FINISHING (Cycle 24) ..... 303

CONTOUR TRAIN (Cycle 25) ..... 304

CYLINDER SURFACE (Cycle 27) ..... 306

CYLINDER SURFACE slot milling (Cycle 28) ..... 308

8.7 SL Cycles with Contour Formula ..... 321

Fundamentals ..... 321

Selecting a program with contour definitions ..... 322

Defining contour descriptions ..... 322

Entering a contour formula ..... 323

Overlapping contours ..... 323

Contour machining with SL cycles ..... 325

8.8 Cycles for Multipass Milling ..... 329

Overview ..... 329

RUN 3-D DATA (Cycle 30) ..... 330

MULTIPASS MILLING (Cycle 230) ..... 331

RULED SURFACE (Cycle 231) ..... 333

8.9 Coordinate Transformation Cycles ..... 338

Overview ..... 338

Effect of coordinate transformations ..... 338

DATUM SHIFT (Cycle 7) ..... 339

DATUM SHIFT with datum tables (Cycle 7) ..... 340

DATUM SETTING (Cycle 247) ..... 343

MIRROR IMAGE (Cycle 8) ..... 344

ROTATION (Cycle 10) ..... 346

SCALING FACTOR (Cycle 11) ..... 347

AXIS-SPECIFIC SCALING (Cycle 26) ..... 348

WORKING PLANE (Cycle 19) ..... 349

8.10 Special Cycles ..... 356

DWELL TIME (Cycle 9) ..... 356

PROGRAM CALL (Cycle 12) ..... 357

ORIENTED SPINDLE STOP (Cycle 13) ..... 358

TOLERANCE (Cycle 32) ..... 359