Stability lobes for a slot milling operationare given in Figure 5 to machineAluminum 7075 material Pleasefind the suitable depth of cut and spindle speedfor maximum metal removal rate by consideringthe cutting tool and machine tool limitations (15 marks Machineoolspecifications follows Spindlespeedmax 10000rpm Feedrate 0.500mm/rev Torque Power 10kW Tool 0-2000 rpm -> 25 Nm 10000 rpm -> 5 Nm Note 200010000rpm -> Assumea linear reduction O (zero) degreehelix angle 2 flutes 15mm Diameter Tool breakageimit: 5000N. Safetyfactor for tool breakageimit is 2. Cuttingcoefficients K=950 N/mm, K=350 N/mm2, K = 0 N/mm K=125 N/mm, K.= 75 N/mm, K=0 N/mm Depth of Cut [mm] 0 Stability Lobes (Analytical) D 2000 4101 8000 10000 120 14000 16000 18000 2010 Spindle Speed [rpm] Figure 5. Stability lobes