HEIDENHAIN TNC 426 (280 476) - Manual (Page 20)

XVI
8.5 Cycles for Machining Hole Patterns ..... 278
Overview ..... 278
CIRCULAR PATTERN (Cycle 220) ..... 279
LINEAR PATTERN (Cycle 221) ..... 281
8.6 SL cycles ..... 285
Fundamentals ..... 285
Overview of SL cycles ..... 286
CONTOUR GEOMETRY (Cycle 14) ..... 287
Overlapping contours ..... 287
CONTOUR DATA (Cycle 20) ..... 290
REAMING (Cycle 21) ..... 291
ROUGH-OUT (Cycle 22) ..... 292
FLOOR FINISHING (Cycle 23) ..... 293
SIDE FINISHING (Cycle 24) ..... 294
CONTOUR TRAIN (Cycle 25) ..... 295
CYLINDER SURFACE (Cycle 27) ..... 297
CYLINDER SURFACE slot milling (Cycle 28) ..... 299
8.7 Cycles for multipass milling ..... 310
Overview ..... 310
RUN DIGITIZED DATA (Cycle 30) ..... 311
MULTIPASS MILLING (Cycle 230) ..... 312
RULED SURFACE (Cycle 231) ..... 314
8.8 Coordinate Transformation Cycles ..... 319
Overview ..... 319
Effect of coordinate transformations ..... 319
DATUM SHIFT (Cycle 7) ..... 320
DATUM SHIFT with datum tables (Cycle 7) ..... 321
DATUM SETTING (Cycle 247) ..... 324
MIRROR IMAGE (Cycle 8) ..... 325
ROTATION (Cycle 10) ..... 327
SCALING FACTOR (Cycle 11) ..... 328
AXIS-SPECIFIC SCALING (Cycle 26) ..... 329
WORKING PLANE (Cycle 19) ..... 330
8.9 Special Cycles ..... 337
DWELL TIME (Cycle 9) ..... 337
PROGRAM CALL (Cycle 12) ..... 337
ORIENTED SPINDLE STOP (Cycle 13) ..... 338
TOLERANCE (Cycle 32) ..... 339