HEIDENHAIN TNC 640 User Manual page 27

Contents
5 Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling........................................................ 157
5.1 Fundamentals..................................................................................................................................... 158
Overview.............................................................................................................................................. 158
5.2 RECTANGULAR POCKET (Cycle 251, DIN/ISO: G251).................................................................... 159
Cycle run.............................................................................................................................................. 159
Please note while programming:......................................................................................................... 160
Cycle parameters................................................................................................................................. 162
5.3 CIRCULAR POCKET (Cycle 252, DIN/ISO: G252).............................................................................164
Cycle run.............................................................................................................................................. 164
Please note while programming:......................................................................................................... 166
Cycle parameters................................................................................................................................. 168
5.4 SLOT MILLING (Cycle 253, DIN/ISO: G253).....................................................................................170
Cycle run.............................................................................................................................................. 170
Please note while programming:......................................................................................................... 171
Cycle parameters................................................................................................................................. 172
5.5 CIRCULAR SLOT (Cycle 254, DIN/ISO: G254)..................................................................................174
Cycle run.............................................................................................................................................. 174
Please note while programming:......................................................................................................... 175
Cycle parameters................................................................................................................................. 177
5.6 RECTANGULAR STUD (Cycle 256, DIN/ISO: G256)........................................................................ 180
Cycle run.............................................................................................................................................. 180
Please note while programming:......................................................................................................... 181
Cycle parameters................................................................................................................................. 182
5.7 CIRCULAR STUD (Cycle 257, DIN/ISO: G257)..................................................................................185
Cycle run.............................................................................................................................................. 185
Please note while programming:......................................................................................................... 186
Cycle parameters................................................................................................................................. 187
5.8 POLYGON STUD (Cycle 258, DIN/ISO: G258).................................................................................. 189
Cycle run.............................................................................................................................................. 189
Please note while programming:......................................................................................................... 190
Cycle parameters................................................................................................................................. 192
5.9 FACE MILLING (Cycle 233, DIN/ISO: G233)..................................................................................... 194
Cycle run.............................................................................................................................................. 194
Please note while programming:......................................................................................................... 198
Cycle parameters................................................................................................................................. 199
5.10 Programming Examples.................................................................................................................... 202
Example: Milling pockets, studs and slots.......................................................................................... 202
HEIDENHAIN | User's manual for cycle programming | 10/2017
27