GRADES for APPLICATIONS and MATERIALS

ISO PISO MISO KISO NISO SISO H
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MaterialgroupsSteelStainless Steel Ferritic & MartensiticStainless Steel Austenitic & Duplex (Ferritic-Austenitic)Cast IronNonferrousHigh Temp. AlloysHard Steel & Hardened Cast Iron
HarderIC5400IC808 (908)IC808 (908)IS8ID5IC808 (908)IB55
IC30NIC840IB85
IC808 (908)IC5500IC840IC5100 (4100)IC380IC30N
MILLINGIC810 (910)IC830 (928)DT7150IC04IC5820IC808 (908)
IndexableIC830 (928)IC830 (928)IC330 (328)IC810 (910)IC08IC882DT7150
IC845IC330 (328)IC882IC28IC330 (328)
Coolant First cTougher hoiceNNYNYYN

* for steel castings ** for milling with high pressure coolant (HPC) supply

Milling Calculations

D Vf Nap fz κ b fz n Vf hm NVc D N Vf fz[m/min] [mm] [rev/min] [mm/min] [mm/tooth]Cutting speed Tool diameter Spindle speed Feed speed Feed per tooth
CalculationsZNumber of teeth
Cutting 4Vc=π ∙ D ∙ N 1000min [m/min]fN Q[mm/rev] [cm3/ min]Feed per revolution Metal removal rate
Spindle speedN =Vc ∙ 1000 π ∙ D [rev/min]ap b[mm] [mm]Depth of cut Width of cut
Feed speedVf=fz∙ Z ∙ N [mm/min]Th Lw[min] [mm]Machining time Machining length
Feed per toothfz=Vn N ∙ Z [mm/tooth]Kc Kc1(1[N/mm2] ) [N/mm2]Specific cutting force Specific cutting force for 1 mm2chip section
Feed per revolutionfN=fz∙ Z [mm/rev]hm[mm]Average chip thickness
Metal removal rateQ =ap ∙ b ∙ Vf 1000 [cm3/min]mc(1) k[degrees]Chip thickness factor Cutting edge angle
P[kW]Machining power
Machining timeTh =Lw Vf [min]hMachine efficiency
P=Pc + Pm
Specific cutting forceKc=Kc1∙ hm-mc[N/mm2]P-Total Machining Power
Pc-Net Power=Cutting Power
Average chip thickness in shoulder milling for b/D≤0.1hm ≈ fz∙ √b D [mm]Pm (1)Se Valu- e page 726 es for MotoMotor Power (while not cutting) r Power Pm
Max. MachinePower [kW] Motor Power Pm [kW]
Average chip5.50.4
thickness in(sink ∙ 180 ∙ b ∙ fz)7.50.4-0.6
shoulder millinghm = π ∙ D ∙arcsin (b / D) [mm]11.01.0
for b/D>0.115.01.5
18.02.2
Machining powerP =( ap ∙ b ∙ Vf ∙ kc ) 6 ∙ 107 ∙ h [kW]22.02.5
Motor MachiPower Pm has ne Powera value of approximately 7 to 12% of Maximum