SUMIBORON SeriesUncoated SUMIBORONCoated SUMIBORONSeriesUncoated SUMIBORONCoated SUMIBORON Edge Specification of SUMIBORON Inserts Sumiboron Inserts and Edge Preparation All SUMIBORON inserts are enhanced with the optimum Close-up of Cutting Edge Section A - A‘ cutting edge preparation for various grades and geometries Rake face Negative land (shown on the rigth). A width Rake face This is to avoid cutting edge fracture caused by the heavy Negative land loads generated during the machining of high hardnessmaterials such as Hardened Steel. A‘AsthepioneerofCBNtools„SUMIBORON“,various Negative land CBN layerCBN layerangle αHoningFlankCutting edgeRelief face selection of grades and edge preparation combinations is our strong point for Hardened Steel machining. Nose radius - SUMIBORON Insert Cutting Edge Specification WorkMaterialGrade Negative / Standard Low Resistance Type L / High Efficiency Type E Strong Edge Type HPositiveIdentificationCodeαWHoning Notation Identification CodeαWHoning Notation Identification CodeαWHoning BNX10 Neg./Pos. T01225 25° 0,12 No ̶ ̶ ̶ ̶ ̶ ̶ ̶ ̶ ̶ ̶ BNX20 Neg./Pos. S01225 25° 0,12 Yes LT T01215* 15° 0,12 No ̶ ̶ ̶ ̶ ̶ BNX25 Neg./Pos. S01725 25° 0,17 Yes ̶ ̶ ̶ ̶ ̶ ̶ ̶ HardenedSteelBN1000 Neg./Pos. S01225 25° 0,12 Yes ̶ ̶ ̶ ̶ ̶ ̶ ̶ BN2000 Neg./Pos. S01225 25° 0,12 Yes LT T01215 15° 0,12 No HS S01235 35° 0,12 Yes Neg. T01225 25° 0,12 No HT T01235 35° 0,12 No BN350 ̶ ̶ ̶ ̶ ̶ Pos. T01235 35° 0,12 No ̶ ̶ ̶ ̶ ̶ BN700 Neg./Pos. T01215 15° 0,12 No LF (Sharp edge) 0° 0 No HS S01225 25° 0,12 Yes Cast Iron BN7000 Neg./Pos. T01215 15° 0,12 No LF (Sharp edge) 0° 0 No HS S01225 25° 0,12 Yes LF (Sharp edge) 0° 0 No Exotic BN7500 Neg./Pos. T01215 15° 0,12 No New LE (Sharp edge) 0° 0 Yes HS S00525 25° 0,05 Yes Alloy LS S00715 15° 0,07 Yes BNS800 Neg. T02020 20° 0,20 No LF (Sharp edge) 0° 0 No ̶ ̶ ̶ ̶ ̶ BNC2010 Neg./Pos. S01225 25° 0,12 Yes New LE (Sharp edge) 0° 0 Yes HS S01730 30° 0,17 Yes New LT T00515 15° 0,05 No BNC2020 Neg./Pos. S01225 25° 0,12 Yes New ES S00535 35° 0,05 Yes HS S02735 35° 0,27 Yes HardenedSteelBNC100 Neg./Pos. S01225 25° 0,12 Yes LS S01715 15° 0,17 Yes ̶ ̶ ̶ ̶ ̶ BNC160 Neg./Pos. S01225 25° 0,12 Yes LS S01020 20° 0,10 Yes HS S01730 30° 0,17 Yes BNC200 Neg./Pos. S01225 25° 0,12 Yes LS S01015 15° 0,10 Yes HS S01735 35° 0,17 Yes BNC300 Neg./Pos. S01225 25° 0,12 Yes New LS S00515 15° 0,05 Yes HS S01735 35° 0,17 Yes Cast Iron BNC500 Neg./Pos. S01215 15° 0,12 Yes ̶ ̶ ̶ ̶ ̶ HS S01225 25° 0,12 Yes * BNX20 Identification code will be T00715 for insers with inscribed circle of less than Ø4,76. - Cutting Edge Preparation of Inserts with Wiper / Chipbreakers - Cutting Edge Specification Identification Code WorkMaterialGrade Other TypesNotationIdentificationCodeαWHoningType Notation of Edge PreparationNo.Standard Type WG S01215 15° 0,12 Yes Wiper L Low cutting forces F Sharp edge HardenedSteelBN2000 WHN-FV S01215 15° 0,12 Yes Wiper̶0°0YesWith breaker E HoningEHigh efficiency+ N-LV S00535 35° 0,05 Yes With breaker T Negative land Cast Iron W T02020 20° 0,20 No WiperExoticBNS800 H Strong edge type S Negative land + honing Alloy LFW (Sharp edge) 0° 0 No With sharpe edge WG / WH / W Wiper WG S01215 15° 0,12 Yes WiperWHS0121515°0,12YesWiperN-FV / N-LVN-SV With Chipbreaker BNC2010BNC2020N-FV ̶ 0° 0 Yes With breaker N-LV S00535 35° 0,05 Yes With breaker N-SV S01235 35° 0,12 Yes With breaker - Edge Preparation Identification Code Hardened BNC100 W S01715 15° 0,17 Yes Wiper Steel WG S01215 15° 0,12 Yes Wiper W S 0 1 2 2 5 WH S01215 15° 0,12 Yes Wiper BNC160 W S01215 15° 0,12 Yes Wiper αBNC200N-FV̶0°0YesWith breakerR W: Negative land α: Negative landwidthangle N-LV S00535 35° 0,05 Yes With breaker Cutting edge: T - Negative landS - Negative land + R - Honing N-SV S01235 35° 0,12 Yes With breaker Example: S01225 Cast Iron BNC500 W S01215 15° 0,12 Yes Wiper 25°/0,12mm width negative land with honing L4