Каталог Iscar вращающийся инструмент 2017 - страница 832

USER GUIDE Recommended Cutting Conditions for Boring Operations with BHC Combi Rough and Fine ITS BORE Feed fn=mm/rev Boring Depth Cutting to Diameter Working Speed Material Ratio Conditions Vc=m/min R=0.2 R=0.4 Carbide Grade Cutting Depth mm L / D = 2.5 good 160 - 250 0.1 - 0.2 0.1 - 0.2 Carbon Steel L / D = 4 normal 120 - 180 0.1 - 0.2 0.1 - 0.2 0.15 - 0.3 1.5 2 2.5 HB < 200 L / D = 6.3 difficult 70 - 100 *0.1 - 0.15 0.1 - 0.2 IC807, IC908, IC520N, IC20N, IC30N, IC8150, L / D = 2.5 good 140 - 200 0.1 - 0.2 0.1 - 0.2 IC8250, IC3028 Carbon Steel L / D = 4 normal 100 - 160 0.1 - 0.2 0.1 - 0.2 0.15 - 0.3 1.5 2 2.5 HB > 200 L / D = 6.3 difficult 70 - 100 *0.1 - 0.15 0.1 - 0.2 L / D = 2.5 good 100 - 140 0.1 - 0.2 0.1 -0.2 Stainless Steel L / D = 4 normal 80 - 110 0.1 - 0.2 0.1 -0.2 IC807, IC30N, IC3028 0.15 - 0.3 1.5 2 2.5 AISI 304 - 316 L / D = 6.3 difficult 60 - 90 *0.1 - 0.15 0.1 - 0.2 L / D = 2.5 good 120 - 160 0.1 - 0.2 0.1 -0.2 IB55, IC908, IC5005, Cast Iron L / D = 4 normal 90 - 120 0.1 - 0.2 0.1 -0.2 0.15 - 0.3 2 2.5 3 IC428 L / D = 6.3 difficult 60 - 90 *0.1 - 0.15 0.1 - 0.2 L / D = 2.5 good 250 - 350 0.1 - 0.2 0.1 - 0.2 Aluminum L / D = 4 normal 160 - 250 0.1 - 0.2 0.1 - 0.2 ID5, IC20 0.15 - 0.3 2 2.5 3 L / D = 6.3 difficult 100 - 150 *0.1 - 0.15 0.1 - 0.2 * Only for finishing Inserts. ** Use inserts with the same corner radii for both roughing and finishing inserts. Vc Cutting speed (m/min) D Diameter of workpiece (mm) n Number of revolutions / min' (rev./min) Vf Feed rate (mm/min.) fn Feed / rev/ (mm/rev) ∏ 3.14 ∏·D·n Vc= 1000 n= Vc 1000 ∏·D d Vf= n·fn L 0.2 ap roughing ap finishing 828 828 ISCAR ISCAR