HEIDENHAIN TNC 426 (280 476) User Manual
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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
Working with the secondary axes U/V/W ..... 205
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
DRILLING (Cycle 200) ..... 212
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
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