Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 10

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SUMIBORON/Coated SUMIBORON Guidance for SUMIBORON Grades H K S Hardened Steel Cast Iron Exotic alloy ● Advantages of Roll Machining with SUMIBORON ROLL MACHINING Enables the machining of high hardness rolls which were difficult to machine by conventional tools, thus drastically improving machining efficiency. ■ Recommended Grade 90 ■ Recommended Cutting Conditions Die Steel BNS800 Workpiece hardness (HS) High BNX20 Work Recommended Cutting Conditions 80 speed BN7000 steel Material Hardness vc(m/min) f ap High hardness type (HS) 20 40 60 80 100 120 140 (mm/rev) (mm) steel 70 Chilled cast iron Adamite ≥40 0.1 to 0.5 0.2 to 3.0 BN500 High alloy cast iron Ductile Chilled 60 cast ≥60 0.1 to 0.5 0.2 to 3.0 cast iron iron Adamite BNX20 High alloy 50 ≥60 0.1 to 0.5 0.2 to 3.0 cast iron Finish - Intermediate - Rough High speed Roll stand (Example for bar steel rolling) ≥70 0.1 to 0.4 0.1 to 3.0 steel ● Advantages of machining Hard Facing Alloys with SUMIBORON Enables the machining of Hard Facing Alloys, once considered difficult to machine. HARD FACING ALLOYS MACHINING BN7000 is the first recommended grade, and BNS800 is the second recommended grade. ■ Cutting Performance ■ Recommended Cutting Conditions BN7000（vc =300m/min） Flank Wear Width (mm) 0.1 BNS800（vc =300m/min） Work Recommended Cutting Conditions Whisker Reinforced Ceramic（vc=50m/min） vc(m/min) Material Material f ap type 50 100 200 300 (mm/rev) (mm) 0.05 Ni-based Self-fluxing Colmonoy 0.05 to 0.2 0.1 to 3.0 alloy No.6 0 0.2 0.4 0.6 0.8 1.0 Co-based Cutting Distance (km) Self-fluxing Stellite 0.05 to 0.2 0.1 to 1.0 alloy Work Material: Colmonoy No.6 (NiCr-based self-fluxing alloy) Insert: SNGN090308 Cutting Conditions: f=0.1mm/rev, ap=0.2mm, Dry ●BN7000 has a long service life with little wear, even in high speed cutting L HEAT RESISTANT ALLOYS MACHINING ● Advantages of cutting heat resistant alloys with SUMIBORON Provides long tool life in the finishing of heat resistant alloys. SUMIBORON ■ Recommended Grade ■ Recommended Cutting Conditions 400 Work Recommended Cutting Conditions Cutting Speed (m/min) BN350 Material Material vc(m/min) f ap 200 50 100 150 200 type (mm/rev) (mm) 100 Ni-based BN7000 heart resistant Inconel 0.05 to 0.2 0.1 to 1.0 alloy 718 50 Co-based Carbide (Roughing med. Finishing) heart resistant Stellite 30 0.05 to 0.2 0.1 to 1.0 alloy 0.1 0.2 0.3 0.4 Feed Rate (mm/rev) ●SUMIBORON is best suited for finishing of heat resistant alloy L10