HEIDENHAIN TNC 640 User Manual page 114

3
Start of drilling at deepened starting point
Q200 Q379
2 2
2 5
2 10
2 25
2 100
5 2
5 5
5 10
5 25
5 100
20 2
20 5
20 10
20 25
20 100
114
Fixed Cycles: Drilling | SINGLE-LIP DEEP-HOLE DRILLING (Cycle 241, DIN/ISO: G241)
Q203 Position at which
pre-positioning is
executed with FMAX
0 2
0 2
0 2
0 2
0 2
0 5
0 5
0 5
0 5
0 5
0 20
0 20
0 20
0 20
0 20
Factor 0.2 * Q379
0.2*2=0.4
0.2*5=1
0.2*10=2
0.2*25=5 (Q200=2, 5>2, thus
the value 2 is used.)
0.2*100=20 (Q200=2, 20>2,
thus the value 2 is used.)
0.2*2=0.4
0.2*5=1
0.2*10=2
0.2*25=5
0.2*100=20 (Q200=5, 20>5,
thus the value 5 is used.)
0.2*2=0.4
0.2*5=1
0.2*10=2
0.2*25=5
0.2*100=20
HEIDENHAIN | User's manual for cycle programming | 10/2017
Start of drilling
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