THREADING SYSTEMS - JEL - 05/2008 - Komet

Recommended cutting data – boring and PCD tools
DRILLCUT/DRILLMAX high performance drills
Guidelines Tool High performance drills Drill reamers
DRILLCUT/DRILLMAX
5-6 6-8 8-10 10-12 6-8
DREAMMAX
Cutting
material
PCD
Solid carbide
Surface uncoated TiN
Nominal
Ø(mm)
Cutting values
V c
f b
V c
f b
V c
f b
V c
f b
V c
f z
f z
f z
8-
10
10-
12
Material
Material groups
Hardness (HB)
Strength
(N/mm 2 )
1.1 Magnetic soft iron
≤120
≤400
1.2 Structural, case hardened steel
≤200
≤700
1. Steel
P
1.3 Carbon steel
1.4 Alloy steel
1.5 Alloy/heat treated steel
≤250
≤250
≤850
≤850
>250, ≤350 >850, ≤1200
1.6 Alloy/heat treated steel
>350 >1200
H
1.7 Hardened steel to 45 HRC
1.8 Hardened steel to 58 HRC
≤400
≤600
≤1400
≤2200
2. Stainless
steel
2.1 Stainless steel, sulphuretted
M 2.2 Austentic
2.3 Ferritic, ferritic & austentic,
martensitic
≤250
≤250
≤300
≤850
≤850
≤1000
3.1 Grey cast iron
≤150
≤500
30-60
0,03-
0,10
0,04-
0,10
0,07-
0,10
3.2 Grey cast iron , heat treated
>150, ≤300 >500, ≤1000
30-60
0,03-
0,10
0,04-
0,10
0,07-
0,10
3. Cast iron
K
3.3 Vermicular cast iron
3.4 Spher. graph. cast iron
200-250 400-500
≤200 ≤700
30-60
0,03-
0,10
0,04-
0,10
0,07-
0,10
4. Titanium
5. Nickel
6. Copper
7. Aluminium/
Magnesium
S
N
3.5 Spher. graph. cast iron, heat treated
3.6 Malleable iron
3.7 Malleable iron, heat treated
4.1 Pure titanium
4.2 Titanium alloys
4.3 Titanium alloys
5.1 Pure nickel
5.2 Nickel alloys, heat resistant
5.3 Nickel alloys, high heat
resistance
6.1 Non-alloy copper
6.2 short chip, brass, bronze, red
brass
6.3 long chip brass
6.4 Cu-Al-Fe alloy (Ampco)
7.1 Alu, Mg non-alloy
7.2 Alu wrought alloy, breaking
strain (A 5) 700, ≤1000
≤200
≤700
>200, ≤300 >700, 270, ≤300 >900, ≤1250
≤150
≤500
270, ≤350 >900, ≤1200
≤100
≤200
≤200
≤470
≤100
≤180
≤180
≤350
≤700
≤700
≤500
≤350
≤600
≤600