Каталог Sumitomo монолитные фрезы - страница 147

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2 SUMIBORON BNBS Ballnose Type Flutes Endmills 2 Coated Carbide Carbon Steel Alloy Steel Pre-hardened Tempered Steel Die Steel Hardened Steel Stainless Ti Alloy Heat Resistant A loy Cast Iron Aluminum Copper Alloy Graphite CFRP Steel 45 to 55 55 to 60 60 to 65 Steel Alloy HRC HRC HRC Flutes S S G G H H Grade Side Milling Face Milling R-Groove Milling Profile Milling RE ±0.02 DC ±0.03 DMM APMX LF ■ Body Dimensions (mm) Cat. No. Stock Radius Cutting diameter Depth of cut Total Length Shank diameter RE DC APMX LF DMM BNBS 2020S D 1.0 2.0 1.5 50 4 2030S D 1.5 3.0 2.0 60 6 2040S D 2.0 4.0 3.0 70 6 2060S D 3.0 6.0 4.5 80 6 2080S D 4.0 8.0 5.5 90 8 BNBS 2100S D 5.0 10.0 6.5 100 10 2120S D 6.0 12.0 7.5 110 12 Grade: BN350 ■ General Purpose Machines 1. Use a rigid machine and select a high cutting speed with low feed rate. 2. Use dry cutting conditions. 3. Make overhang as short as possible. 4. If work material hardness is lower than HRC50, try a coated or uncoated carbide ballnose endmill instead. (→I106) ● Radius Milling Work Material Hardened Steel Hardened Steel I Cutting Conditions (50 to 57 HRC) (58 to 65 HRC) RE (mm) Spindle Speed Feed Rate Spindle Speed Feed Rate Endmills (min-1) (mm/min) (min-1) (mm/min) SUMIBORON 1.0 26,000 1,100 22,000 670 1.5 18,000 700 15,000 450 2.0 13,000 530 11,000 330 3.0 8,800 610 7,400 450 4.0 6,600 460 5,600 330 Square 5.0 5,300 630 4,500 400 6.0 4,400 530 3,700 330 2 Flutes Standard ap 0.01DC 0.01DC 3 Flutes Depth-of-cut pf 0.02DC 0.02DC See L125 for details 4 Flutes 6 Flutes 8 Flutes Radius Ballnose DLC SUMIDIA Coat Long Neck Uncoated CBN PCD I141