Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 6

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 SUMIBORON  Guidance for SUMIBORON Grades H Hardened Steel HARDENED STEEL MACHINING (3) ■ Application Examples（Continuous cutting） 300 BNC2010 Work Material: SCM415 Bar (58-62HRC) 200 BNC2020 Insert: DNGA150408 BN2000 Cutting Conditions: f =0.1mm/rev Cutting Speed vC(m/min) Ceramic 150 ap=0.2mm Wet 100 50 1 10 100 200 300 Tool life (min) Tool life limit s et at: VBmax=0.1ｍｍ ■ Application Examples（Interrupted cutting） Light Int. - face with 4 holes (Freq, of Int, 25%) Med. Int. - face with 8 holes (Freq, of Int, 50%) Work Material: SCr420H tool Work Material: SCr420H tool 58-62HRC 58-62HRC Cutting Conditions Cutting Conditions Cutting speed: 100m/min Cutting speed: 100m/min Feed Rate: 0.1mm/rev Feed Rate: 0.1mm/rev Depth of cut: 0.2mm Depth of cut: 0.2mm Dry Dry Insert: CNMA120408 Insert: CNMA120408 Grade Tool life Grade Tool life 50 100 50 100 BN2000 D BN2000 D BNC300 D BNC300 D BN350 D BN350 D BNX25 D BNX25 D Heavy Int. - U grooved face (Freq, of Int, 100%) Hi Speed Int. - face with 8 holes (Freq, of Int, 50%) Work Material: SCr420H tool Work Material: SCr420H tool 58-62HRC 58-62HRC Cutting Conditions Cutting Conditions L Cutting speed: 100m/min ø100 Cutting speed: 200m/min Feed Rate: 0.1mm/rev Feed Rate: 0.1mm/rev Depth of cut: 0.2mm Depth of cut: 0.2mm SUMIBORON Dry Dry Insert: CNMA120408 Insert: CNMA120408 Grade Tool life Grade Tool life 50 100 50 100 BN2000 D BN2000 D BNC300 D BNC300 D BN350 D BN350 D BNX25 D BNX25 D L6