Page 574 - Ceratizit Catalog

Formula collection
B247
Formulas - medium chip thickness

sin() κ 180 a z Face milling cutter on centre above work piece
f
e
h m = a e
π d 1 arcsin( )
d 1
h m π d · arcsin( a e ) Calculation example:
1
f z = d 1
sin( ) κ 180 a e
Cutter type: ... A260.08.R.05/018
Cutter diameter d : ... 82 mm
1
Approach angle κ: ... 75°
Cutting width a : ... 70 mm
e
a e Medium chip thickness h ... 0.2 mm
m
70
0,2 π 82 arcsin 82
f z =
sin(75)· 180·70
Ƙ
f z = 0,25 mm

d 1 f z

Face milling cutter - off-centre above work
f
sin() κ 360 a z
e
h m = piece
2 a e1 2 a e2
π d 1 arcsin + arcsin
d 1 d 1
2 a e1 2 a e2
h m π d 1 arcsin + arcsin Calculation example:
d 1 d 1
f z =
sin( ) κ 360 a e
Cutter type: ... A270.10.R.06/018
Cutter diameter d : ... 102 mm
1
Approach angle κ: ... 75°
Width of cut a : ... 70 mm
a e1 e
Width of cut a : ... 20 mm
e1
a e Width of cut a : ... 50 mm
e2
a e2 Medium chip thickness h ... 0.2 mm
m
Ƙ
20 50
0,2 π 102 arcsin 2 + arcsin 2
102
102
f z =
f z
sin(75°)· 360·70
d 1
f z = 0,27 mm
Milling / Technical information