Page 13 - HOLE MAKING CATALOG p185-310

USER GUIDE
ISO

DEEP DRILLING - BTA SYSTEM
Machining Recommendations for TRIDEEP BTA Drilling Heads

Tensile Material Cutting Feed : f (mm/rev)
Strength Group speed
[N/mm2] No. (1) Hardness Vc (m/min) Drill dia. (mm)
(HB) 50-100
Material Condition 420 1 125 Chipbreaker 80-140 Ø16-18 Ø18.01-40
Annealed 190 GF 50-100 0.03-0.10 0.03-0.10
< 0.25 %C 250 DT 80-140 0.05-0.10 0.05-0.10
220 GF 50-100 0.03-0.10 0.03-0.10
Non-alloy >= 0.25 %C Annealed 650 2 300 DT 80-140 0.05-0.10 0.05-0.10
steel and 850 3 200 GF 50-100 0.03-0.10 0.03-0.12
cast steel, < 0.55 %C Quenched and tempered 750 4 275 DT 80-140 0.05-0.16 0.05-0.20
free cutting 300 GF 50-100 0.03-0.10 0.03-0.12
steel >= 0.55 %C Annealed 350 DT 80-140 0.05-0.16 0.05-0.20
200 GF 50-100 0.03-0.10 0.03-0.12
Quenched and tempered 1000 5 325 DT 80-140 0.05-0.16 0.05-0.20
200 GF 50-100 0.03-0.10 0.03-0.10
Annealed 600 6 240 DT 80-140 0.05-0.10 0.05-0.10
180 GF 50-100 0.03-0.10 0.03-0.10
P Low alloy and cast Quenched and tempered 930 7 180 DT 80-140 0.05-0.10 0.05-0.10
steel (less than 5% of 1000 8 260 GF 50-100 0.03-0.10 0.03-0.10
alloying elements) 160 DT 80-140 0.05-0.10 0.05-0.10
250 GF 50-100 0.03-0.10 0.03-0.10
1200 9 130 DT 80-120 0.05-0.10 0.05-0.10
230 GF 50-100 0.03-0.10 0.03-0.12
High alloyed steel, cast Annealed 680 10 60 DT 80-120 0.05-0.16 0.05-0.20
steel and tool steel Quenched and tempered 1100 11 100 GF 50-100 0.03-0.10 0.03-0.12
75 DT 60-100 0.05-0.16 0.05-0.20
Stainless steel Ferritic/martensitic 680 12 90 GF 50-100 0.03-0.06 0.03-0.06
and cast steel 130 DT 60-100 0.05-0.10 0.05-0.10
Martensitic 820 13 110 GF 50-100 0.03-0.06 0.03-0.06
90 DT 60-100 0.05-0.10 0.05-0.10
M Stainless steel Austenitic, duplex 600 14 100 GF 50-100 0.03-0.06 0.03-0.06
and cast steel 200 DT 80-140 0.05-0.10 0.05-0.10
280 GF 50-100 0.03-0.15 0.05-0.18
Grey cast iron (GG) Ferritic/pearlitic 15 250 DT 80-140 0.05-0.25 0.05-0.3
350 GF 50-100 0.03-0.15 0.05-0.18
Pearlitic/martensitic 16 320 DT 80-140 0.05-0.25 0.05-0.3
GF 50-100 0.03-0.15 0.05-0.18
K Nodular cast iron (GGG) Ferritic 17 DT 80-140 0.05-0.25 0.05-0.3
Pearlitic 18 GF 50-100 0.03-0.15 0.05-0.18
DT 80-140 0.05-0.25 0.05-0.3
Malleable cast iron Ferritic 19 GF 50-100 0.03-0.15 0.05-0.18
Pearlitic 20 DT 80-140 0.05-0.25 0.05-0.3
GF 80-160 0.03-0.15 0.05-0.18
Aluminum-wrought alloys Not hardenable 21 DT 100-200 0.05-0.25 0.05-0.3
Hardenable 22 GF 80-160 0.03-0.15 0.03-0.015
DT 100-200 0.05-0.20 0.05-0.20
Aluminum- ≤ 12% Si Not hardenable 23 GF 80-160 0.03-0.15 0.03-0.015
N cast alloys >12% Si Hardenable 24 DT 100-200 0.05-0.20 0.05-0.20
25 GF 80-160 0.03-0.15 0.03-0.015
High temperature DT 100-200 0.05-0.20 0.05-0.20
GF 80-160 0.03-0.15 0.03-0.015
>1% Pb Free cutting 26 DT 100-200 0.05-0.20 0.05-0.20
Brass 27 GF 80-160 0.03-0.15 0.03-0.015
Copper 28 DT 100-200 0.05-0.20 0.05-0.20
alloys Electrolitic copper GF 80-160 0.03-0.15 0.03-0.015
DT 100-200 0.05-0.20 0.05-0.20
Fe base Annealed 31 GF 80-160 0.03-0.15 0.03-0.015
Hardened 32 DT 100-200 0.05-0.20 0.05-0.20
High temp. Ni / Co base Annealed 33 GF 50-100 0.03-0.15 0.03-0.015
alloys Hardened 34 DT 60-100 0.05-0.20 0.05-0.20
GF 50-100 0.03-0.06 0.03-0.06
S DT 60-100 0.05-0.10 0.05-0.10
GF 20-50 0.03-0.06 0.03-0.06
Cast 35 DT 20-50 0.05-0.10 0.05-0.10
GF 20-50 0.03-0.06 0.03-0.08
Titanium alloys Pure 400 36 DT 20-50 0.04-0.08 0.04-0.10
1050 37 GF 20-50 0.03-0.06 0.03-0.08
Alpha+beta alloys 38 DT 20-50 0.04-0.08 0.04-0.10
GF 30-60 0.03-0.06 0.03-0.08
Hardened hardened DT 30-60 0.04-0.08 0.04-0.10
steel GF 30-60 0.03-0.10 0.03-0.12
H ≥ 40HRC Hardened DT 30-60 0.05-0.13 0.05-0.15
GF 40-100 0.03-0.10 0.03-0.12
DT 50-100 0.05-0.13 0.05-0.15
GF 0.03-0.08 0.03-0.08
DT 0.04-0.08 0.04-0.10

(1) For material groups see pages 495-524 197