Page 41 - HOLE MAKING CATALOG p185-310
P. 41
USER GUIDE DEEP DRILLING - BTA SYSTEM
Technical Guide
Setting guidelines for cutting loads, fluid Setting guidelines for cutting loads, fluid
pressure and flow rate during STS operation pressure and flow rate during DTS operation
Net power Net power
80 80
Pc (kW) 60 Vc = 100 m/min Pc (kW) 60 fV=c =0.21500mmm//mreinv
f = 0.25 mm/rev
40
40
20 Vc = 70 m/min 20 Vc = 70 m/min
f = 0.15 mm/rev f = 0.15 mm/rev
0 50 100 150 200 250 300 0 50 1D00rill dia1.5(0mm) 200 250 300
fV=c =0.21500mmm//mreinv
Pc (kW) Drill dia. (mm) fV=c =0.1750 mmm/m/rinev Pc (kW) 20
20 Vc = 100 m/min 15
15 f = 0.25 mm/rev 50
10 Vc = 70 m/min
10 5 f = 0.15 mm/rev
5
0 10 Dr2i0ll dia.30(mm)40 50
0 10 20 30 40
Drill dia. (mm)
Feed force Feed force
Ff (kN) 50 fV=c =0.1750 mmm/m/rinev Ff (kN) 50
40 Vc = 100 m/min 40 fV=c =0.21500mmm//mreinv
f = 0.25 mm/rev
30
30
20 20 Vc = 70 m/min
10 10 f = 0.15 mm/rev
0 50 100Drill d1ia50. (mm2)00Ff (kN) 250 300 Ff (kN)0 50 1D00rill dia15.0(mm) 200 250 300
10 fV=c =0.21500mmm//mreinv 10 fV=c =0.21500mmm//mreinv
Vc = 70 m/min fV=c =0.1750 mmm/m/rinev
5 f = 0.15 mm/rev 5
0 10 20 30 40 50 0 10 D20rill dia30. (mm40) 50
Drill dia. (mm) Torque
Torque 8
8 6 fV=c =0.21500mmm//mreinv
T (kNm) 6 Vc = 100 m/min T (kNm) 4
f = 0.25 mm/rev
4 2 Vc = 70 m/min
f = 0.15 mm/rev
2 fV=c =0.1750 mmm/m/rinev
0 50 100 150 200 250 300 0 50 100 150 200 250 300
Drill dia. (mm) Drill dia. (mm)
0.2 fV=c =0.21500mmm//mreinv
T (kNm) 0.1 Vc = 70 m/min T (kNm) 0.2 fV=c =0.21500mmm//mreinv fV=c =0.1750 mmm/m/rinev
f = 0.15 mm/rev 0.1 50
0 10 20 30 40 50 0 10 20 30 40
Drill dia. (mm) Drill dia. (mm)
Coolant pressure Coolant pressure
2 1MPa = 1.0 N/mm2 P (MPa) 0.75
1Mpa ≈ 10 atm
P (MPa) 0.5 11MMPpaa ≈= 110.0aNtm/mm2
1 0.25
0 100 200 300 400 500 0 50 100 150 200
300
Drill dia. (mm) Drill dia. (mm)
8P (MPa) P (MPa) 1.5
6 1
4
2 0.5
0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70
Drill dia. (mm) Drill dia. (mm)
Coolant volume Coolant volume
q (l/min) 2000 q (l/min) 400
1500 300
1000 10D0 rill dia. (mm)200 200 50 Drill dia10.0(mm) 150 200
100
500 q (l/min) q (l/min)
0
0
100
200 50
150
100 10 20 30 40 50 0 10 20 30 40 50
50 Drill dia. (mm) Drill dia. (mm)
0
225
