2024年3月15日发(作者：tcl电视官网首页)
锯齿形螺纹的牙型和根本尺寸(GB/T13576-1992)
. .
H＝1.587 8P
a
c
＝0.117 77P
W＝0.263 84P
H
1
＝0.75P
e＝W-a
h
3
＝H
1
＋a
c
＝0.867 77P
D
1
＝d-2H
1
＝d-1.5P
d
3
＝d-2h
3
＝d-1.735 54P
d
2
＝D
2
＝d-0.75P
R＝0.124 27P
P
2
3
4
5
6
7
8
9
10
12
14
16
18
20
22
24
a
c
0.236
0.353
0.471
0.589
0.707
0.824
0.912
1.060
1.178
1.413
1.649
1.884
2.120
2.355
2.501
2.826
a
0.1414
0.1732
0.2000
0.2236
0.2449
0.2646
0.2828
0.3000
0.3162
0.3461
0.3742
0.4000
0.4243
0.4472
0.4690
0.4899
e
0.386
0.618
0.855
1.096
1.338
1.582
1.828
2.075
2.322
2.820
3.320
3.821
4.325
4.830
5.335
5.812
h
3
1.736
2.063
3.471
4.339
5.207
6.074
6.942
7.810
8.678
10.413
12.149
13.884
15.620
17.355
19.091
20.826
R
0.249
0.373
0.497
0.621
0.746
0.870
0.994
1.118
1.243
1.491
1.740
1.988
2.237
2.485
2.734
2.982
. v .
. .
28
32
36
40
公称直径d
第一系列
10
12
3.298
3.769
4.240
4.711
0.5292
0.5657
0.6000
0.6325
螺距P
2
*
2
3
*
2
3
*
2
4
*
2
4
*
2
4
*
3
5
*
8
3
6.858
7.877
8.898
9.921
中径
d
2
＝D
2
8.50
10.50
9.75
12.50
11.75
14.50
13.00
16.50
15.00
18.50
17.00
19.75
18.25
16.00
21.75
20.25
18.00
23.75
22.25
20.00
25.75
24.25
22.00
27.75
25.50
22.50
29.75
27.50
24.50
31.75
29.50
26.50
33.75
31.50
28.50
24.298
27.769
31.240
34.711
小 径
d
3
6.529
8.529
6.793
10.529
8.793
12.529
9.058
14.529
11.058
16.529
13.058
16.793
13.332
8.116
18.793
15.332
10.116
20.793
17.332
12.116
22.793
19.332
14.116
24.793
19.587
12.045
26.793
21.587
14.645
28.793
23.587
16.645
30.793
25.587
18.645
3.480
3.977
4.474
4.971
第二系列
14
D
1
7.0
9.0
7.5
11.0
9.5
13.0
10.0
15.0
12.0
17.0
14.0
17.5
14.5
10.0
19.5
16.5
12.0
21.5
18.5
14.0
23.5
20.5
16.0
25.5
21.0
15.0
27.5
23.0
17.0
29.5
25.0
19.0
31.5
27.0
21.0
16
20
18
22
24 5
*
8
3
26 5
*
8
3
28 5
*
8
3
30 6
*
10
3
32 6
*
10
3
34 6
*
10
3
36 6
*
10
. v .
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