HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
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5 Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling........................................................129
5.1 Fundamentals...................................................................................................................................... 130
Overview............................................................................................................................................... 130
5.2 RECTANGULAR POCKET (Cycle 251, DIN/ISO: G251)..................................................................... 131
Cycle run............................................................................................................................................... 131
Please note while programming:..........................................................................................................132
Cycle parameters.................................................................................................................................. 133
5.3 CIRCULAR POCKET (Cycle 252, DIN/ISO: G252)..............................................................................136
Cycle run............................................................................................................................................... 136
Please note while programming:..........................................................................................................138
Cycle parameters.................................................................................................................................. 139
5.4 SLOT MILLING (Cycle 253, DIN/ISO: G253)......................................................................................141
Cycle run............................................................................................................................................... 141
Please note while programming:..........................................................................................................142
Cycle parameters.................................................................................................................................. 143
5.5 CIRCULAR SLOT (Cycle 254, DIN/ISO: G254)...................................................................................146
Cycle run............................................................................................................................................... 146
Please note while programming:..........................................................................................................147
Cycle parameters.................................................................................................................................. 148
5.6 RECTANGULAR STUD (Cycle 256, DIN/ISO: G256)......................................................................... 151
Cycle run............................................................................................................................................... 151
Please note while programming:..........................................................................................................152
Cycle parameters.................................................................................................................................. 153
5.7 CIRCULAR STUD (Cycle 257, DIN/ISO: G257)...................................................................................155
Cycle run............................................................................................................................................... 155
Please note while programming:..........................................................................................................156
Cycle parameters.................................................................................................................................. 157
5.8 POLYGON STUD (Cycle 258, DIN/ISO: G258)...................................................................................159
Cycle run............................................................................................................................................... 159
Please note while programming:..........................................................................................................160
Cycle parameters.................................................................................................................................. 161