Technology

Ball End Milling Actual Diameter

R D Depth of Cut ap(mm)
Radius Dia. 0.
01
0.
02
0.
03
0.
04
0.
05
0.
08
0.
1
>>0.
15~
0.
1
0.
2
0.
087
0.
12
0.
143
0.
16
0.
173
0.
196
0.
2
0.
2
0.
4
0.
125
0.
174
0.
211
0.
24
0.
265
0.
32
0.
35
0.
3
0.
6
0.
154
0.
215
0.
262
0.
299
0.
332
0.
41
0.
45
0.
4
0.
8
0.
178
0.
25
0.
304
0.
349
0.
387
0.
48
0.
53
0.
5
1 0.
199
0.
28
0.
341
0.
392
0.
436
0.
54
0.
6
1 2 0.
282
0.
398
0.
486
0.
56
0.
624
0.
78
0.
87
1.5 3 0.
346
0.
488
0.
597
0.
688
0.
768
0.
97
1.08
2 4 0.
399
0.
564
0.
69
0.
796
0.
889
1.12 1.25
2.5 5 0.
447
0.
631
0.
722
0.
891
0.
995
1.25 1.4
3 6 0.
489
0.
692
0.
846
0.
977
1.091 1.38 1.54
4 8 0.
565
0.
799
0.
978
1.129 1.261 1.59 1.78
5 10 0.
632
0.
894
1.094 1.262 1.411 1.78 1.99
6 12 0.
693
0.
979
1.198 1.383 1.546 1.95 2.18
7 14 0.
748
1.058 1.295 1.495 1.67 2.11 2.36
8 16 0.
8
1.131 1.384 1.598 1.786 2.26 2.52
9 18 0.
848
1.199 1.468 1.695 1.895 2.39 2.68
10 20 0.
894
1.264 1.548 1.787 1.997 2.52 2.82
R D Depth of Cut ap(mm)
Radius Dia. >>~0.
1
0.
15
0.
2
0.
3
0.
5
0.
8
1 2 3
0.
1
0.
2








0.
2
0.
4
0.
39
0.
4






0.
3
0.
6
0.
52
0.
57
0.
6





0.
4
0.
8
0.
62
0.
69
0.
77





0.
5
1 0.
71
0.
8
0.
92
1



1 2 1.05 1.2 1.43 1.73 1.96 2

1.5 3 1.31 1.5 1.8 2.24 2.65 2.83

2 4 1.52 1.74 2.11 2.65 3.2 3.46 4
2.5 5 1.71 1.96 2.37 3 3.67 4 4.9
3 6 1.87 2.15 2.62 3.32 4.08 4.47 5.66 6
4 8 2.17 2.5 3.04 3.87 4.8 5.29 6.93 7.75
5 10 2.43 2.8 3.41 4.36 5.43 6 8 9.17
6 12 2.67 3.07 3.75 4.8 5.99 6.63 8.94 10.
39
7 14 2.88 3.32 4.05 5.2 6.5 7.21 9.8 11.49
8 16 3.08 3.56 4.34 5.57 6.97 7.75 10.
58
12.49
9 18 3.27 3.77 4.61 5.92 7.42 8.25 11.31 13.42
10 20 3.45 3.98 4.86 6.24 7.84 8.72 12 14.28

Calculation of Actual Dia.