Основной каталог Kyocera 2021 - 2022 - страница 963

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t (Depth of cut) ap Milling Ball-nose / radius type cutters MRF/MRFW Applicable inserts Recommended depth of cut Insert Description Description Depth of cut (mm) Applications ap Pf Top RDFG 08FRface mark MRF08-S12 0.2 (Max0.3) 0.8 10FR MRF10-S12 0.2 1 12FR Standard MRF12-S12 0.5 1.2 16FR neck MRF16-S20 0.5 1.6 20FR MRF20-S25 1 2 Top face shown 25FR MRF25-S32 1 2.5 Check the top face mark of both insert and toolholder. MRF08-S12-130 0.2 (Max0.3) 0.8 MRF10-S12-150 0.2 1 Long neck MRF12-S12-160MRF16-S20-160 0.5 1.20.51.6 MRF20-S25-180 1 2 Pf MRF25-S32-200 1 2.5 Carbide MRFW08-S08 0.2 (Max0.3) 0.8 standard MRFW10-S10 0.2 1 neck MRFW12-S12 0.5 1.2 MRFW08-S08-130 0.2 (Max0.3) 0.8 Carbidelong NeckMRFW10-S10-140MRFW12-S12-150 0.2 10.51.2 For ø8, holder may be broken because of over load if ap exceeds 0.3mm. Recommended cutting conditions (At cutting dia. DCX) Workpiece material Insert grades Vc(m/min) fz(mm/t) ø8Vc(m/min)fz(mm/t) ø10Vc(m/min)fz(mm/t) ø12Vc(m/min)fz(mm/t) (n:min-1) (Vf:mm/min) (n:min-1) (Vf:mm/min) (n:min-1) (Vf:mm/min) Carbon steel PR915 100~200 0.1~0.3 150(5,970) 0.2(2,390) 150(4,770) 0.2(1,910) 150(3,980) 0.2(1,590) Alloy steel PR915 80~180 0.1~0.3 130(5,170) 0.2(2,070) 130(4,140) 0.2(1,660) 130(3,450) 0.2(1,380) Mold steel PR915 50~150 0.1~0.2 100(3,980) 0.15(1,190) 100(3,180) 0.15(950) 100(2,650) 0.15(800) Stainless steel PR915 50~150 0.1~0.2 100(3,980) 0.15(1,190) 100(3,180) 0.15(950) 100(2,650) 0.15(800) Cast iron PR915 100~200 0.2~0.4 150(5,970) 0.3(3,580) 150(4,770) 0.3(2,860) 150(3,980) 0.3(2,390) M Workpiece material Insert grades Vc(m/min) fz(mm/t) ø16Vc(m/min)fz(mm/t) ø20Vc(m/min)fz(mm/t) ø25Vc(m/min)fz(mm/t) (n:min-1) (Vf:mm/min) (n:min-1) (Vf:mm/min) (n:min-1) (Vf:mm/min) Carbon steel PR915 100~200 0.1~0.3 150(2,980) 0.2(1,190) 150(2,390) 0.2(950) 150(1,910) 0.2(760) Alloy steel PR915 80~180 0.1~0.3 130(2,590) 0.2(1,030) 130(2,070) 0.2(830) 130(1,660) 0.2(660) Mold steel PR915 50~150 0.1~0.2 100(1,990) 0.15(600) 100(1,590) 0.15(480) 100(1,270) 0.15(380) Stainless steel PR915 50~150 0.1~0.2 100(1,990) 0.15(600) 100(1,590) 0.15(480) 100(1,270) 0.15(380) Cast iron PR915 100~200 0.2~0.4 150(2,980) 0.3(1,790) 150(2,390) 0.3(1,430) 150(1,910) 0.3(1,150) Actual cutting speed (Vd) conversion coefficient table • Vd varies depending on ap and slant face angle. • Vd can be obtained by dividing the conversion coefficient into the recommended cutting speed. Model Tool dia. (DCX) ø8 ø10 ø12 Depth of cut (t:mm) 0.1 0.2 0.1 0.2 0.2 0.5 DCX (Tool dia.) 15° 1.00 1.00 1.00 1.00 1.00 1.00 30° 1.05 1.02 1.05 1.03 1.04 1.01 α (Slant face angle) Slant face 45° 1.18 1.12 1.20 1.14 1.16 1.07angle (α)60°1.471.341.511.381.421.2475°2.151.822.241.922.021.6090°(Horizontal plane)4.483.225.063.573.922.50 Tool dia. (DCX) ø16 ø20 ø25 Depth of cut (t:mm) 0.2 0.5 0.5 1 0.5 1 15° 1.00 1.00 1.00 1.02 1.00 1.01 30° 1.05 1.01 1.02 1.00 1.03 1.00 Slant face 45° 1.18 1.10 1.12 1.06 1.14 1.08 DC (Actual cutting dia.) angle (α) 60° 1.47 1.30 1.34 1.21 1.38 1.25 75° 2.14 1.73 1.83 1.53 1.93 1.62 90°(Horizontal plane) 4.48 2.87 3.20 2.29 3.57 2.55 e.g.) Suppose tool dia. 8mm, ap=0.1mm, slant face angle 90˚: The actual Cutting speed Vd for carbon steel machining, when Vc is 150m/min at the biggest diameter, Vd can be obtained as Vd=150÷4.48=33.5m/min N : Standard item R : Right hand only L : Left hand only U : Check availability M191