Общий каталог Mitsubishi 2020 - 2021 - страница 243

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COATED CBN CBN & PCD TURNING INSERTS

BC8100 series for machining of hardened steel

FEATURES

The coated CBN grade BC8100 series and non-coated CBN grade MB8100 series for cutting of hardened steel uses newly developed optimized substrate technology CBN base material. The new ultra-micro-binder prevents sudden fracturing and longer tool life. The BC8100 series coating exhibits excellent fracture resistance and wear resistance by using a special PVD coating B suitable for each cutting mode.

y Newly Developed Special PVD Coating

BC8105 BC8110 BC8120 BC8130

CrAlN-base Coating AlCrN-base Coating TiAlSiN-base Coating TiAlN-base Coating TiAlN-base Coating TiAlN-base Coating

TiAlN-base Coating

CBN Sintered Body

CBN Sintered Body

CBN Sintered Body CBN Sintered Body

Offers excellent surfaceChipping caused by builtChipping caused by builtPeeling caused by severe
finishes.up edge is prevented withup edge is prevented withimpact and chipping are
Peeling resistance andimproved welding resistance.improved welding resistance.prevented with high fracture
adhesion strength are improvedImproved wear and adhesionImproved adhesion to theresistances.
by having both lubricity andstrength to the CBN surface.coating to the CBN surfaceImproved adhesion strength to
wear resistance.enhances peeling resistance.the CBN surface.

The CBN is also improved in *Graphical representation. toughness by adopting new binder and sintering method.

y The newly developed Ultra Micro-particle Binder prevents sudden fracture

a Conventional a BC8100 Series

Cutting Resistance Cutting Resistance Forces Dispersed in Linear Direction Forces Dispersed Radially

*In case of BC8110

Medium Grain CBN Micro Grain CBN

Binder Macroparticles

Ultra Micro-particle Binder Dispersal of the newly developed Ultra Micro-particle Binder for sintered CBN and Micro Grain CBN suppresses cracking to prevent sudden fracturing.