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HEIDENHAIN TNC 410 ISO Programming User Manual

Page 19

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HEIDENHAIN TNC 410, TNC 426, TNC 430

XV

8.5 Cycles for Machining Hole Patterns ..... 252

Overview ..... 252

CIRCULAR PATTERN (Cycle G220) ..... 254

LINEAR PATTERN (Cycle G221) ..... 256

8.6 SL Cycles Group I ..... 259

Fundamentals ..... 259

Overview of SL Cycles, Group I ..... 260

CONTOUR GEOMETRY (Cycle G37) ..... 261

PILOT DRILLING (Cycle G56) ..... 262

ROUGH-OUT (Cycle G57) ..... 263

CONTOUR MILLING (Cycle G58/G59) ..... 264

8.7 SL Cycles Group II (not TNC 410) ..... 265

Fundamentals ..... 265

Overview of SL Cycles ..... 266

CONTOUR GEOMETRY (Cycle G37) ..... 267

Overlapping contours ..... 267

CONTOUR DATA (Cycle G120) ..... 270

PILOT DRILLING (Cycle G121) ..... 271

ROUGH-OUT (Cycle G122) ..... 272

FLOOR FINISHING (Cycle G123) ..... 273

SIDE FINISHING (Cycle G124) ..... 274

CONTOUR TRAIN (Cycle G125) ..... 275

CYLINDER SURFACE (Cycle G127) ..... 277

CYLINDER SURFACE slot milling (Cycle G128) ..... 279

8.8 Cycles for Multipass Milling ..... 287

Overview ..... 287

RUN DIGITIZED DATA (Cycle G60, not TNC 410) ..... 288

MULTIPLASS MILLING (Cycle G230) ..... 289

RULED SURFACE (Cycle G231) ..... 291

8.9 Coordinate Transformation Cycles ..... 294

Overview ..... 294

Effect of coordinate transformations ..... 294

DATUM SHIFT (Cycle G54) ..... 295

DATUM SHIFT with datum tables (Cycle G53) ..... 296

DATUM SETTING (Cycle G247,
not TNC 410) ..... 299

MIRROR IMAGE (Cycle G28) ..... 300

ROTATION (Cycle G73) ..... 302

SCALING FACTOR (Cycle G72) ..... 303

WORKING PLANE (Cycle G80, not TNC 410) ..... 304

8.10 Special Cycles ..... 311

DWELL TIME (Cycle G04) ..... 311

PROGRAM CALL (Cycle G39) ..... 311

ORIENTED SPINDLE STOP (Cycle G36) ..... 312

TOLERANCE (Cycle G62, not TNC 410) ..... 313