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SUMIBORON series New generation Sumiboron inserts – an even better way to machine hardened steels - General

Building on its global success machining hardened steels

with Sumiboron inserts the addition of heat and wear resistant

coatings to a variety of tough new CBN substrates has resulted

in a new generation of high performance grades. With economy

in mind the new inserts are multi cornered.

Choose the coated insert suitable for your application and

take your hard part machining operations to the new industry

standard. - Types and

application

MicrostructureTypeISOGradeApplicationCharacteristicHardness(Hv) (GPa)TRS (GPa)
BN1000High speed Continuous cuttingBest wear resistance grade and suitable for high speed continuous cutting27 ~ 310,90 ~ 1,00
CBNBN2000Continuous and Interrupted cuttingMicro-grain CBN with Ceramic binder improves fracture toughness and wear resistance31 ~ 341,05 ~ 1,15
coatedHBNX20High efficiency cutting (Continuous~Interrupted)Binder with high heat resistance improves tool life during high speed machining31 ~ 330,95 ~ 1,10
UnBNX25High speed Interrupted cuttingSuperior fracture toughness in high speed cutting and suitable for high speed interrupted hard turning29 ~ 311,00 ~ 1,10
BN350Interrupted cutting (Heavy)Micro-grain CBN with higher fracture toughness that improves cutting edge strength33 ~ 351,20 ~ 1,30
BNC2010High precision continuous cuttingNew generation TiCN layer improves notch wear resistance and provides an excellent surface finish.30 ~ 321,10 ~ 1,20
BNC100High speed continuous and light interrupted cuttingHigh speed finishing grade for continuous and light interrupted cutting applications29 ~ 321,00 ~ 1,10
BNHBNC160High precision continuous cuttingHigh precision grade for continuous cutting - ideal when an excellent surface finish is required31 ~ 331,10 ~ 1,20
oated CBNC2020High efficiency general purposeNew coating technology offers excellent adhesion during both continuous and interrupted cut applications.34 ~ 361,20 ~ 1,30
CBNC200Continuous and Interrupted cutting (Light-Medium Interrupted)General purpose grade with low to high speed cutting capability and extended tool life - removes the carburised layer on heat treated components33 ~ 351,10 ~ 1,20
BNC300Interrupted cutting (Heavy)Tough grade for heavy interrupted cutting applications33 ~ 351,15 ~ 1,25
BNC500GG and GGG machiningFor Cast Iron machining with a good balance of wear and fracture resistance32 ~ 341,00 ~ 1,10
MicrostructureTypeISOGradeApplicationCharacteristicHardness(Hv) (GPa)TRS (GPa)
BNPM SBN7000 H C Ir R High speed machining of ast Iron machining on based products olls of high hardness eat resistant alloyGG First choice for high speed finishing of grey cast iron41 ~ 441,25 ~ 1,35
ncoated CPMBN7500 H i pigh efficiency machinin owdered metali g of Less burrs when machining sintered parts due to excellent edge sharpness41 ~ 441,40 ~ 1,50
UK SBNS800 H M S Sigh speed machining of achining rolls of high h intered component rou pecial cast Iron machinGG ardness ghing ing High thermal impact resistance with high heat transfer ability and higher CBN content ratio39 ~ 420,95 ~ 1,10