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Lathe tools \ Technical introduction–turning - ISO turning

P P
16 16
a ( mm ) p 6,3 10 RP RP a ( mm ) p 6,3 10 WP
4 4
WP
2,5 2,5
1,6 1,6
1 1
0,63 0,63
0,4 0,2 0,4 0,3
0,25 R 0,9 0,25 22°
0,16 0,16
2°
0,1 0,1
0,025 0,04 0,063 0,1 0,16 0,25 0,4 0,63 1 1,6 2,5 0,025 0,04 0,063 0,1 0,16 0,25 0,4 0,63 1 1,6 2,5
f ( mm ) f ( mm )
Positive
FP – extremely positive cutting optimised for smoothing and MP – positive cutting yet robust!
fine lathing!
Insert Very positive chip breaker optimised for shallow cutting depths Very positive chip breaker for medium infeeds with high cutting
and high surface qualities. edge stability
Advantages ƒ Very low cutting forces and good chip breakage ƒ Low cutting forces and high cutting edge stability in unfavour-
ƒ Wide chip breakage scope for smoothing and precision lathe able conditions
machining ƒ Broad range of applications in long-chipping steels, cast iron
ƒ Optimised geometry for long-chipping steels and authentic and authentic stainless steel
stainless steel ƒ Variable infeed area with controlled chip breakage
Stability
Cutting forces
Surface quality
P P
16 16
a ( mm ) p 6,3 10 FP a ( mm ) p 6,3 10 MP
4 4 MP
2,5 2,5
1,6 FP 1,6
1 1
0,63 0,63
0,4 0,4 0,1
0,25 0,25
18°
0,16 0,16 12°
0,1 0,1
0,025 0,04 0,063 0,1 0,16 0,25 0,4 0,63 1 1,6 2,5 0,025 0,04 0,063 0,1 0,16 0,25 0,4 0,63 1 1,6 2,5
f ( mm ) f ( mm )
Test results Comparison of service life
Workpiece: Bolt
Material: 34CrNiMo4 Competition P25
Geometry: CNMG 120408-MP after 34 components
Cemented carbide grade: HC7620
Cutting data: 180 m/min 80%
Feed: 0.3 mm/U HC7620
after 34 components
Cemented carbide grades ISO P
Proven ISO P type with thick CVD coating for serial users!
Advantages:
ƒ Innovative cemented carbide substrate
ƒ Nano-structured aluminium oxide
ƒ Extremely thick CVD coating
ƒ Micro-finishing
range of applications
application coating
01 05 10 15 20 25 30 35 40 45

OHC7615
ISO CVD
P OHC7625

OHC7635

OHC7615 OHC7625 OHC7635
Application The productive one! The universal one! The robust one!
High-performance variety for machining in High-performance variety for machining in High-performance variety for machining in
steel and (cast iron) with very high hardness steel and (cast iron) with medium hardness steel with high toughness and wear resist-
and wear resistance for use in very good to and wear resistance for use in moderate ance for use in unfavourable conditions.
moderate conditions. conditions.
Application ˜š ˜š ˜
Substrate P05–25 K05–25 P15–25 M10–30 K15–30 P20–45 M15–40 K15–25
Grain size 1–2 µm 1–2 µm 1–2 µm
Type of coating CVD, TiCN + Al2O3 CVD, TiCN + Al2O3 CVD, TiCN + Al2O3
Coating thickness 18.5 µm 15 µm 15 µm
Operating conditions very good–good good–moderate moderate-unfavourable
cutting speed
Hardness
Toughness

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com 475
Availability subject to country specific rules and regulations.