Page 42 - HOLE_MAKING_CATALOG_INCH_2022_P237-P372

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
107.3 107.3
Vc = 330 SFM Vc = 330 SFM
80.5 f = .01 IPR 80.5 f = .01 IPR Vc = 230 SFM
Pc (HP) 53.6 Vc = 230 SFM Pc (HP) 53.6 f = .006 IPR
f = .006 IPR
26.8
26.8
0 1.968 3.937 5.905 7.874 9.842 11.811
0 1.968 3.937 5.905 7.874 9.842 11.811 Drill dia. (inch)
Drill dia. (inch) 26.8
26.8 20.1 Vc = 330 SFM
20.1 Vc = 330 SFM
Pc (HP) 13.4 f = .01 IPR Vc = 230 SFM Pc (HP) 13.4 f = .01 IPR Vc = 230 SFM
f = .006 IPR
f = .006 IPR
6.7
6.7
0 .394 .787 1.181 1.575 1.968 0 .394 .787 1.181 1.575 1.968
Drill dia. (inch) Drill dia. (inch)
Feed force Feed force
11240 11240
Vc = 330 SFM Vc = 330 SFM
8990 f = .01 IPR Vc = 230 SFM 8990 f = .01 IPR
f = .006 IPR
Ff (lbf) 6740 Ff (lbf) 6740
4500
4500
2250 2250 Vc = 230 SFM
f = .006 IPR
0 1.968 3.937 5.905 7.874 9.842 11.811 0 1.968 3.937 5.905 7.874 9.842 11.811
Drill dia. (inch) Drill dia. (inch)
2250 2250 Vc = 330 SFM
Vc = 330 SFM f = .01 IPR
f = .01 IPR
Ff (lbf) 1125 Vc = 230 SFM Ff (lbf) 1125 Vc = 230 SFM
f = .006 IPR
f = .006 IPR
1.181
.787
1.575
0 .394 .787 1.181 1.575 1.968 0 .394 Drill dia. (inch) 1.968
Drill dia. (inch)
Torque Torque
70805.86
70805.86
Vc = 330 SFM
53104.39 Vc = 330 SFM Vc = 230 SFM 53104.39 f = .01 IPR
f = .006 IPR
f = .01 IPR
T (lbf·in) 35402.93 T (lbf·in) 35402.93 Vc = 230 SFM
17701.46
17701.46
f = .006 IPR
0 1.968 3.937 5.905 7.874 9.842 11.811
0 1.968 3.937 5.905 7.874 9.842 11.811
Drill dia. (inch) Drill dia. (inch)
1770.15 Vc = 330 SFM Vc = 230 SFM 1770.15 Vc = 330 SFM
T (lbf·in) 885.07 f = .01 IPR f = .006 IPR T (lbf·in) 885.07 f = .01 IPR Vc = 230 SFM
f = .006 IPR
0 .394 .787 1.181 1.575 1.968
0 .394 .787 1.181 1.575 1.968 Drill dia. (inch)
Drill dia. (inch)
Coolant pressure Coolant pressure
290 109
P (PSI) 145 P (PSI) 73
36
0 3.937 7.874 11.811 15.748 19.685 0 1.968 3.937 5.905 7.874
Drill dia. (inch) Drill dia. (inch)
1160 218
P (PSI) 870 P (PSI) 145 73
580
290
0 .394 .787 1.181 1.575 1.968 2.362 2.756 0 .394 .787 1.181 1.575 1.968 2.362 2.756
Drill dia. (inch) Drill dia. (inch)
Coolant volume Coolant volume
528
q (gallon/min) 396 q (gallon/min) 106 79 53
264
132
0 3.937 7.874 11.811 26 0 1.968 3.937 5.905 7.874
Drill dia. (inch) Drill dia. (inch)
q (gallon/min) 53 q (gallon/min) 26 13
40
26
13
0 .394 .787 1.181 1.575 1.968 0 .394 .787 1.181 1.575 1.968
Drill dia. (inch) Drill dia. (inch)
278 ISCAR