Page 133 - Icon Ridge Industrial Tools Catalog

Reaming tools \ Technical introduction – reaming

Coatings for reamers

Titanium nitride Titanium carbon nitride
ƒ Long proven standard layer ƒ Very high hardness
ƒ High hardness TiN ƒ High adhesive strength TiCN
ƒ Very good adhesive strength ƒ Relatively high thermal conductivity
ƒ Sufficient toughness ƒ Low friction coefficient against steel
ƒ Affordable universal layer ƒ Vickers hardness: 3500 HV
ƒ Vickers hardness: 2200 HV ƒ Friction coefficient of steel: 0.2
ƒ Friction coefficient of steel: 0.5 ƒ Temperature resistance: 400°
ƒ temperature resistance: 600° ƒ Colour: blue-grey
ƒ Colour: gold ƒ Coating process: PVD
ƒ Coating process: PVD

titanium aluminium nitride Titanium aluminium carbon nitride
ƒ universal layer for high-performance ƒ Universal layer for high-performance
machining with high cutting speed TiAlN machining with high cutting speed TiAlCN
ƒ marked thermal and chemical stability ƒ Low friction
ƒ very high hardness ƒ Very high hardness
ƒ very good heat resistance ƒ High oxidation resistance
ƒ relatively low thermal conductivity ƒ Relatively low thermal conductivity
ƒ Vickers hardness: 3200 HV ƒ Vickers hardness: 3500 HV
ƒ friction coefficient of steel: 0.55 ƒ Friction coefficient of steel: 0.20
ƒ temperature resistance: 900–1000° ƒ Temperature resistance: 800°
ƒ colour: dark blue-grey ƒ Colour: antique pink
ƒ coating process: PVD ƒ Coating process: PVD

titanium aluminium silicone nitrides
ƒ high-performance cutting for machining very
abrasive or hard materials such as steel up to TiAlSiN
63 HRC
ƒ very high hardness
ƒ high wear resistance
ƒ Vickers hardness: 3500 HV
ƒ friction coefficient of steel: 0.70
ƒ temperature resistance: 900°
ƒ colour: blue-violet
ƒ coating process: PVD

Flute shapes and applications for reamers

straight flute left-twisted flute
ƒ for blind holes ƒ For through-bores
ƒ chips are transported backwards ƒ chips are transported forwards
ƒ larger chip angle ƒ better with intermittent cuts
ƒ reduced chip angle

Source: Hahn+Kolb Werkzeuge GmbH
Technical data subject to change. www.iconridge.com 133
Availability subject to country specific rules and regulations.