HEIDENHAIN TNC 620 User Manual page 21

4 Fixed Cycles: Tapping / Thread Milling........................................................................................ 99
4.1 Fundamentals...................................................................................................................................... 100
Overview............................................................................................................................................... 100
4.2 TAPPING with a floating tap holder (Cycle 206, DIN/ISO: G206)...................................................101
Cycle run............................................................................................................................................... 101
Please note while programming:.......................................................................................................... 102
Cycle parameters.................................................................................................................................. 103
4.3 RIGID TAPPING without a floating tap holder (Cycle 207, DIN/ISO: G207)................................... 104
Cycle run............................................................................................................................................... 104
Please note while programming:.......................................................................................................... 105
Cycle parameters.................................................................................................................................. 106
Retracting after a program interruption................................................................................................ 106
4.4 TAPPING WITH CHIP BREAKING (Cycle 209, DIN/ISO: G209, software option 19).......................107
Cycle run............................................................................................................................................... 107
Please note while programming:.......................................................................................................... 108
Cycle parameters.................................................................................................................................. 109
4.5 Fundamentals of Thread Milling....................................................................................................... 111
Prerequisites..........................................................................................................................................111
4.6 THREAD MILLING (Cycle 262, DIN/ISO: G262, software option 19)...............................................113
Cycle run............................................................................................................................................... 113
Please note while programming:.......................................................................................................... 114
Cycle parameters.................................................................................................................................. 115
4.7 THREAD MILLING/COUNTERSINKING (Cycle 263, DIN/ISO:G263, software option 19).............. 116
Cycle run............................................................................................................................................... 116
Please note while programming:.......................................................................................................... 117
Cycle parameters.................................................................................................................................. 118
4.8 THREAD DRILLING/MILLING (Cycle 264, DIN/ISO: G264, software option 19).............................120
Cycle run............................................................................................................................................... 120
Please note while programming:.......................................................................................................... 121
Cycle parameters.................................................................................................................................. 122
HEIDENHAIN | TNC 620 | User's manual for cycle programming | 9/2015
21