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Application recommendations
Inserts for boring bars
Guide values for surface nish
In order to select the right feedrate per tooth (fz) please pay also attention to the table below
„Guide values for surface nish“.
Guide values for surface nish relative to feedrate and corner radiusFeedrate per toothCorner radius 1.2 mm
Corner radius 0.8 mm
fz (mm) Corner radius 0.4 mm
0,6 Corner radius 0.2 mm
0,5
0,4 Corner radius 0.05 mm
0,3
0,2
0,1
0,05
3,2 6,3 10 20 30 40 50 63 Rz m
0,63 1,25 2,5 3,2 5,0 6,3 Ra m
13 16 25 30 10 12,5 16 Rt m
47
45 55 70
Surface nish
125
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