Power coefficient in the frequency range Area below the frequency spectrum curve (*10**5) PSD Power Worn tool spectral density Sharp tool VB=0.6 mm Chipping Force Fx 1,9800 0,5488 1,4380 Fy 3,0410 0,9609 8,2550 Fz 0.5081 0,1570 1,0546 Current Ix 0,1385 0,1340 4,7485 Iy 11,6380 21,2650 9,3290 Is 131,9700 151,5500 105,9000 Acoustic AE 0,0506 2,1707 0,7911 AERMS 4,9107 25,0000 23,6650