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PITCH TABLES
diametral
module
engineering index
DIAMETRAL
Diametral
Pitch |
Circular
Pitch |
Circular
Thickness |
Addendum |
Dedendum |
Working
Depth of
Tooth |
Whole
Depth of
Tooth |
DP |
CP |
(t) |
(a) |
(b) |
(hk) |
(ht) |
1 |
3.1416 |
1.5708 |
1.0000 |
1.2500 |
2.0000 |
2.2500 |
1.25 |
2.5133 |
1.2566 |
0.8000 |
1.0000 |
1.6000 |
1.0000 |
1.5 |
2.0944 |
1.0472 |
0.6667 |
0.8333 |
1.3333 |
1.5000 |
1.75 |
1.7952 |
0.8976 |
0.5714 |
0.7143 |
1.1429 |
1.2857 |
2 |
1.5708 |
0.7854 |
0.5000 |
0.6250 |
1.0000 |
1.1250 |
2.25 |
1.3963 |
0.6981 |
0.4444 |
0.5556 |
0.8889 |
1.0000 |
2.5 |
1.2566 |
0.6283 |
0.4000 |
0.5000 |
0.8000 |
0.9000 |
2.75 |
1.1424 |
0.5712 |
0.3636 |
0.4545 |
0.7273 |
0.8181 |
3 |
1.0472 |
0.5236 |
0.3333 |
0.4167 |
0.6667 |
0.7500 |
3.5 |
0.8976 |
0.4488 |
0.2857 |
0.3571 |
0.5714 |
0.6428 |
4 |
0.7854 |
0.3927 |
0.2500 |
0.3125 |
0.5000 |
0.5625 |
5 |
0.6283 |
0.3142 |
0.2000 |
0.2500 |
0.4000 |
0.4500 |
6 |
0.5236 |
0.2618 |
0.1667 |
0.2083 |
0.3333 |
0.3750 |
7 |
0.4488 |
0.2244 |
0.1429 |
0.1786 |
0.2857 |
0.3214 |
8 |
0.3927 |
0.1963 |
0.1250 |
0.1563 |
0.2500 |
0.2813 |
9 |
0.3491 |
0.1745 |
0.1111 |
0.1389 |
0.2222 |
0.2500 |
10 |
0.3142 |
0.1571 |
0.1000 |
0.1250 |
0.2000 |
0.2250 |
12 |
0.2618 |
0.1309 |
0.0833 |
0.1042 |
0.1667 |
0.1875 |
14 |
0.2244 |
0.1122 |
0.0714 |
0.0893 |
0.1429 |
0.1607 |
16 |
0.1963 |
0.0982 |
0.0625 |
0.0781 |
0.1250 |
0.1406 |
18 |
0.1745 |
0.0873 |
0.0556 |
0.0694 |
0.1111 |
0.1250 |
20 |
0.1571 |
0.0785 |
0.0500 |
0.0625 |
0.1000 |
0.1125 |
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MODULE
Module
Pitch |
Circular
Pitch |
Circular
Thickness |
Addendum |
Dedendum |
Working
Depth of
Tooth |
Whole
Depth of
Tooth |
MOD
|
CP |
(t) |
(a) |
(b) |
(hk) |
(ht) |
24 |
75.3982 |
37.699 |
24.000 |
30.0000 |
48.00 |
54.0000 |
20 |
62.8319 |
31.416 |
20.000 |
25.0000 |
40.00 |
45.0000 |
18 |
56.5487 |
28.274 |
18.000 |
22.5000 |
36.00 |
40.5000 |
16 |
50.2655 |
25.133 |
16.000 |
20.0000 |
32.00 |
36.0000 |
14 |
43.9823 |
21.991 |
14.000 |
17.5000 |
28.00 |
31.5000 |
12 |
37.6991 |
18.850 |
12.000 |
15.0000 |
24.00 |
27.0000 |
11 |
34.5575 |
17.279 |
11.000 |
13.7500 |
22.00 |
24.7500 |
10 |
31.4159 |
15.708 |
10.000 |
12.5000 |
20.00 |
22.5000 |
9 |
28.2743 |
14.137 |
9.000 |
11.2500 |
18.00 |
20.2500 |
8 |
25.1327 |
12.566 |
8.000 |
10.0000 |
16.00 |
18.0000 |
7 |
21.9911 |
10.996 |
7.000 |
8.7500 |
14.00 |
15.7500 |
6 |
18.8496 |
9.425 |
6.000 |
7.5000 |
12.00 |
13.5000 |
5 |
15.7080 |
7.854 |
5.000 |
6.2500 |
10.00 |
11.2500 |
4 |
12.5664 |
6.283 |
4.000 |
5.0000 |
8.00 |
9.0000 |
3.5 |
10.9956 |
5.498 |
3.500 |
4.3750 |
7.00 |
7.8750 |
3 |
9.4248 |
4.712 |
3.000 |
3.7500 |
6.00 |
6.7500 |
2.5 |
7.8540 |
3.927 |
2.500 |
3.1250 |
5.00 |
5.6250 |
2.25 |
7.0686 |
3.534 |
2.250 |
2.8125 |
4.50 |
5.0625 |
2 |
6.2832 |
3.142 |
2.000 |
2.5000 |
4.00 |
4.5000 |
1.5 |
4.7124 |
2.356 |
1.500 |
1.8750 |
3.00 |
3.3750 |
1.25 |
3.9270 |
1.963 |
1.250 |
1.5625 |
2.50 |
2.8125 |
1 |
3.1416 |
1.571 |
1.000 |
1.2500 |
2.00 |
2.2500 |
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