HEIDENHAIN TNC 620 User Manual page 25

Contents
5 Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling........................................................ 149
5.1 Fundamentals..................................................................................................................................... 150
Overview.............................................................................................................................................. 150
5.2 RECTANGULAR POCKET (Cycle 251, DIN/ISO: G251, software option 19).................................. 151
Cycle run.............................................................................................................................................. 151
Please note while programming:......................................................................................................... 152
Cycle parameters................................................................................................................................. 154
5.3 CIRCULAR POCKET (Cycle 252, DIN/ISO: G252, software option 19)........................................... 156
Cycle run.............................................................................................................................................. 156
Please note while programming:......................................................................................................... 158
Cycle parameters................................................................................................................................. 160
5.4 SLOT MILLING (Cycle 253, DIN/ISO: G253), Software Option 19..................................................162
Cycle run.............................................................................................................................................. 162
Please note while programming:......................................................................................................... 163
Cycle parameters................................................................................................................................. 164
5.5 CIRCULAR SLOT (Cycle 254, DIN/ISO: G254, software option 19)................................................ 166
Cycle run.............................................................................................................................................. 166
Please note while programming:......................................................................................................... 167
Cycle parameters................................................................................................................................. 169
5.6 RECTANGULAR STUD (Cycle 256, DIN/ISO: G256, software option 19)...................................... 172
Cycle run.............................................................................................................................................. 172
Please note while programming:......................................................................................................... 173
Cycle parameters................................................................................................................................. 174
5.7 CIRCULAR STUD (Cycle 257, DIN/ISO: G257, software option 19)................................................ 177
Cycle run.............................................................................................................................................. 177
Please note while programming:......................................................................................................... 178
Cycle parameters................................................................................................................................. 179
5.8 POLYGON STUD (Cycle 258, DIN/ISO: G258, software option 19)................................................ 181
Cycle run.............................................................................................................................................. 181
Please note while programming:......................................................................................................... 182
Cycle parameters................................................................................................................................. 184
5.9 FACE MILLING (Cycle 233, DIN/ISO: G233, software option 19)................................................... 186
Cycle run.............................................................................................................................................. 186
Please note while programming:......................................................................................................... 190
Cycle parameters................................................................................................................................. 191
5.10 Programming Examples.................................................................................................................... 194
Example: Milling pockets, studs and slots.......................................................................................... 194
HEIDENHAIN | TNC 620 | User's manual for cycle programming | 10/2017
25