Page 14 - HOLE_MAKING_CATALOG_INCH_2022_P237-P372

USER GUIDE
DEEP DRILLING - BTA SYSTEM

Technical Guide

STS - Machine Setting for Single Tube System DTS - Machine Setting for Double Tube System
Net power Net power
10.7 13.4
9.4 12.1 Vc = 330 SFM
10.7 f = .01 IPR
8.0 Vc = 250 SFM
6.7 f = .01 IPR 9.4
8.0
Pc (HP) 5.4 Pc (HP) 6.7
5.4
4.0
2.7 4.0 Vc = 230 SFM
Vc = 246 SFM 2.7 f = .01 IPR
1.3 f = .006 IPR
1.3
0
.630 .669 .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102 0 .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102
Drill dia. (inch) Drill dia. (inch)
Feed force Feed force
1800 2250
1575
1800
1350 f = .01 IPR
f = .01 IPR
1125 1350
Ff (lbf) 900 Ff (lbf) 900
675
450
f = .006 IPR 450 f = .006 IPR
225
0
.630 .669 .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102 0 .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102
Drill dia. (inch) Drill dia. (inch)
Torque Torque
885.07
885.07
708.06
708.06
531.04 f = .01 IPR 531.04 f = .01 IPR
T (lbf·in) 354.03 T (lbf·in) 354.03

177.01 f = .006 IPR
177.01
f = .006 IPR
0
.630 .669 .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102 0
Drill dia. (inch) .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102
Drill dia. (inch)
Coolant pressure Coolant pressure
1450
435
1305
1160
363
1015
870 290
P (PSI) 725 P (PSI) 218
580
435
290 145
145 73
0
.630 .669 .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102
Drill dia. (inch) .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102
Drill dia. (inch)
Coolant volume
Coolant volume
53
32
48
42
26
37
q (gallon/min) 32 q (gallon/min) 21
26
21
16
16
11
5 11
0
.630 .669 .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102 0 .709 .748 .787 .827 .866 .906 .945 .984 1.024 1.063 1.102
Drill dia. (inch) Drill dia. (inch)
The above values should not be used as the exact recommendations. They may need modification depending on the machining conditions, materials, etc.
250 ISCAR