Page 227 - ISCAR(HOLE_MAKING_CATALOG_65)

USER GUIDE

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
Vc = 100 m/min 60 Vc = 100 m/min
60
f = 0.25 mm/rev
f = 0.25 mm/rev
Pc (kW) 40 Pc (kW) 40
20 Vc = 70 m/min 20 Vc = 70 m/min DEEP DRILLING - BTA SYSTEM
f = 0.15 mm/rev f = 0.15 mm/rev
0 50 100 150 200 250 300 0 50 100 150 200 250 300
Drill dia. (mm)
Drill dia. (mm)
20 Vc = 100 m/min 20 Vc = 100 m/min
15 f = 0.25 mm/rev
15 f = 0.25 mm/rev
Pc (kW) 10 5 Vc = 70 m/min Pc (kW) 10 5 Vc = 70 m/min
f = 0.15 mm/rev
f = 0.15 mm/rev
0 10 20 30 40 50
0 10 20 30 40 50 Drill dia. (mm)
Drill dia. (mm)
Feed force Feed force
50
50
40 Vc = 100 m/min
40 Vc = 100 m/min 30 f = 0.25 mm/rev
f = 0.25 mm/rev
Ff (kN) 30 Vc = 70 m/min Ff (kN) 20 Vc = 70 m/min
20
10 f = 0.15 mm/rev 10 f = 0.15 mm/rev
0 50 100 150 200 250 300
0 50 100 150 200 250 300 Drill dia. (mm)
Drill dia. (mm) 10 Vc = 100 m/min
Vc = 100 m/min f = 0.25 mm/rev
10 f = 0.25 mm/rev
Ff (kN) 5 Vc = 70 m/min Ff (kN) 5 Vc = 70 m/min
f = 0.15 mm/rev
f = 0.15 mm/rev
0 10 20 30 40 50
0 10 20 30 40 50 Drill dia. (mm)
Drill dia. (mm)
Torque
Torque
8
8 Vc = 100 m/min
6
Vc = 100 m/min f = 0.25 mm/rev
6
f = 0.25 mm/rev
T (kNm) 4 T (kNm) 4 2 Vc = 70 m/min
2 Vc = 70 m/min f = 0.15 mm/rev
f = 0.15 mm/rev
0 50 100 150 200 250 300
Drill dia. (mm)
0 50 100 150 200 250 300
Drill dia. (mm) 0.2 Vc = 100 m/min
T (kNm) 0.2 Vc = 100 m/min T (kNm) 0.1 f = 0.25 mm/rev Vc = 70 m/min
f = 0.25 mm/rev
f = 0.15 mm/rev
Vc = 70 m/min
0.1
f = 0.15 mm/rev 0 10 20 30 40 50
Drill dia. (mm)
0 10 20 30 40 50
Drill dia. (mm)
Coolant pressure
Coolant pressure
2 1MPa = 1.0 N/mm 2 P (MPa) 0.75
1Mpa ≈ 10 atm
P (MPa) 1 0.5 1MPa = 1.0 N/mm 2
0.25 1Mpa ≈ 10 atm
0 100 200 300 400 500 0 50 100 150 200
Drill dia. (mm) Drill dia. (mm)
P (MPa) 8 6 4 P (MPa) 1.5 1
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
2000 400
q (l/min) 1500 q (l/min) 300
200
1000
500 100
0 100 200 300 0 50 100 150 200
Drill dia. (mm) Drill dia. (mm)
q (l/min) 200 q (l/min) 100
150
100
50
50
0 10 20 30 40 50 0 10 20 30 40 50
Drill dia. (mm) Drill dia. (mm)
225