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HEIDENHAIN TNC 426 (280 476) User Manual

Page 19

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HEIDENHAIN TNC 426, TNC 430

XV

8.1 Working with Cycles ..... 202

Defining a cycle using soft keys ..... 202

Defining a cycle using the GOTO function ..... 202

Calling a cycle ..... 204

Working with the secondary axes U/V/W ..... 205

8.2 Point Tables ..... 206

Function ..... 206

Creating a point table ..... 206

Selecting a point table in the program. ..... 207

Calling a cycle in connection with point tables ..... 208

8.3 Cycles for Drilling, Tapping and Thread Milling ..... 209

Overview ..... 209

PECKING (Cycle 1) ..... 211

DRILLING (Cycle 200) ..... 212

REAMING (Cycle 201) ..... 214

BORING (Cycle 202) ..... 216

UNIVERSAL DRILLING (Cycle 203) ..... 218

BACK BORING (Cycle 204) ..... 220

UNIVERSAL PECKING (Cycle 205) ..... 222

BORE MILLING (Cycle 208) ..... 224

TAPPING with a floating tap holder (Cycle 2) ..... 226

TAPPING NEW with floating tap holder (Cycle 206) ..... 227

RIGID TAPPING (Cycle 17) ..... 229

RIGID TAPPING without a floating tap holder TAPPING (Cycle 207) ..... 230

THREAD CUTTING (Cycle 18) ..... 232

TAPPING WITH CHIP BREAKING (Cycle 209) ..... 233

Fundamentals of thread milling ..... 235

THREAD MILLING (Cycle 262) ..... 237

THREAD MILLING/COUNTERSINKING (Cycle 263) ..... 239

THREAD DRILLING/MILLING (Cycle 264) ..... 243

HELICAL THREAD DRILLING/MILLING (Cycle 265) ..... 246

OUTSIDE THREAD MILLING (Cycle 267) ..... 249

8.4 Cycles for milling pockets, studs and slots ..... 257

Overview ..... 257

POCKET MILLING (Cycle 4) ..... 258

POCKET FINISHING (Cycle 212) ..... 260

STUD FINISHING (Cycle 213) ..... 262

CIRCULAR POCKET MILLING (Cycle 5) ..... 264

CIRCULAR POCKET FINISHING (Cycle 214) ..... 266

CIRCULAR STUD FINISHING (Cycle 215) ..... 268

SLOT MILLING (Cycle 3) ..... 270

SLOT (oblong hole) with reciprocating plunge-cut (Cycle 210) ..... 272

CIRCULAR SLOT (oblong hole) with reciprocating plunge-cut (Cycle 211) ..... 274

8 Programming: Cycles ..... 201

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