Page 14 - HOLE MAKING CATALOG p185-310
P. 14
DEEP DRILLING - BTA SYSTEM USER GUIDE
Technical Guide
STS - Machine setting for single tube system DTS - Machine setting for double tube system
Net power Net power
8 10
7 9 Vc = 100 m/min
8 f = 0.25 mm/rev
6 Vc = 75 m/min
f = 0.25 mm/rev 7
5 6
Pc (kW) 4 Pc (kW) 5
3 4
2 Vc = 75 m/min 3 fV=c =0.2750 mmm/m/rinev
1 f = 0.15 mm/rev 2
1
0 018 19 20 21 22 23 24 25 26 27 28
16 17 18 19 20 21 22 23 24 25 26 27 28
Drill dia. (mm)
Drill dia. (mm)
Feed force Feed force
8 10
7 8 f = 0.25 mm/rev
6 f = 0.25 mm/rev 6
Ff (kN) 5 Ff (kN) 4
4 2 f = 0.15 mm/rev
3 0
18 19 20 21 22 23 24 25 26 27 28
2 f = 0.15 mm/rev
Drill dia. (mm)
1
Torque
0
16 17 18 19 20 21 22 23 24 25 26 27 28 0.1
Drill dia. (mm)
Torque
0.1
T (kNm) 0.08 T (kNm) 0.08
0.06 f = 0.25 mm/rev f = 0.25 mm/rev
0.06
0.04 0.04
0.02 f = 0.15 mm/rev 0.02 f = 0.15 mm/rev
016 17 18 19 20 21 22 23 24 25 26 27 28 018 19 20 21 22 23 24 25 26 27 28
Drill dia. (mm) Drill dia. (mm)
Coolant pressure Coolant pressure
10 3
9
2.5 1MPa = 110.0aNtm/mm2
8 1MPa = 1.0 N/mm2 1Mpa ≈
7 1Mpa ≈ 10 atm
2
6
P (MPa) 5 P (MPa) 1.5
4
3 1
2
1 0.5
0
16 17 18 19 20 21 22 23 24 25 26 27 28 18 19 20 21 22 23 24 25 26 27 28
Drill dia. (mm) Drill dia. (mm)
Coolant volume Coolant volume
200 120
180
160 100
140
q (l/min) 120 q (l/min) 80
100
60
80
60 40
40
20 0
18 19 20 21 22 23 24 25 26 27 28
0
16 17 18 19 20 21 22 23 24 25 26 27 28 Drill dia. (mm)
Drill dia. (mm)
The above values should not be used as the exact recommendations.
They may need modification depending on the machining conditions, materials, etc.
198 ISCAR
