锯齿形螺纹的牙型和基本尺寸(GB/T13576-1992)
|
H＝1.587 8P
ac＝0.117 77P
W＝0.263 84P
H1＝0.75P
e＝W-a
h3＝H1＋ac＝0.867 77P
D1＝d-2H1＝d-1.5P
d3＝d-2h3＝d-1.735 54P
d2＝D2＝d-0.75P
R＝0.124 27P
|
|
P
|
ac
|
a
|
e
|
h3
|
R
|
|
2
|
0.236
|
0.1414
|
0.386
|
1.736
|
0.249
|
|
3
|
0.353
|
0.1732
|
0.618
|
2.063
|
0.373
|
|
4
|
0.471
|
0.2000
|
0.855
|
3.471
|
0.497
|
|
5
|
0.589
|
0.2236
|
1.096
|
4.339
|
0.621
|
|
6
|
0.707
|
0.2449
|
1.338
|
5.207
|
0.746
|
|
7
|
0.824
|
0.2646
|
1.582
|
6.074
|
0.870
|
|
8
|
0.912
|
0.2828
|
1.828
|
6.942
|
0.994
|
|
9
|
1.060
|
0.3000
|
2.075
|
7.810
|
1.118
|
|
10
|
1.178
|
0.3162
|
2.322
|
8.678
|
1.243
|
|
12
|
1.413
|
0.3461
|
2.820
|
10.413
|
1.491
|
|
14
|
1.649
|
0.3742
|
3.320
|
12.149
|
1.740
|
|
16
|
1.884
|
0.4000
|
3.821
|
13.884
|
1.988
|
|
18
|
2.120
|
0.4243
|
4.325
|
15.620
|
2.237
|
|
20
|
2.355
|
0.4472
|
4.830
|
17.355
|
2.485
|
|
22
|
2.501
|
0.4690
|
5.335
|
19.091
|
2.734
|
|
24
|
2.826
|
0.4899
|
5.812
|
20.826
|
2.982
|
|
28
|
3.298
|
0.5292
|
6.858
|
24.298
|
3.480
|
|
32
|
3.769
|
0.5657
|
7.877
|
27.769
|
3.977
|
|
36
|
4.240
|
0.6000
|
8.898
|
31.240
|
4.474
|
|
40
|
4.711
|
0.6325
|
9.921
|
34.711
|
4.971
|
|
公称直径d
|
螺距P
|
中径
d2＝D2
|
小 径
|
|
第一系列
|
第二系列
|
d3
|
D1
|
|
10
|
|
2*
|
8.50
|
6.529
|
7.0
|
|
12
|
|
2
|
10.50
|
8.529
|
9.0
|
|
3*
|
9.75
|
6.793
|
7.5
|
|
|
14
|
2
|
12.50
|
10.529
|
11.0
|
|
3*
|
11.75
|
8.793
|
9.5
|
|
16
|
|
2
|
14.50
|
12.529
|
13.0
|
|
4*
|
13.00
|
9.058
|
10.0
|
|
|
18
|
2
|
16.50
|
14.529
|
15.0
|
|
4*
|
15.00
|
11.058
|
12.0
|
|
20
|
|
2
|
18.50
|
16.529
|
17.0
|
|
4*
|
17.00
|
13.058
|
14.0
|
|
|
22
|
3
|
19.75
|
16.793
|
17.5
|
|
5*
|
18.25
|
13.332
|
14.5
|
|
8
|
16.00
|
8.116
|
10.0
|
|
24
|
|
3
|
21.75
|
18.793
|
19.5
|
|
5*
|
20.25
|
15.332
|
16.5
|
|
8
|
18.00
|
10.116
|
12.0
|
|
|
26
|
3
|
23.75
|
20.793
|
21.5
|
|
5*
|
22.25
|
17.332
|
18.5
|
|
8
|
20.00
|
12.116
|
14.0
|
|
28
|
|
3
|
25.75
|
22.793
|
23.5
|
|
5*
|
24.25
|
19.332
|
20.5
|
|
8
|
22.00
|
14.116
|
16.0
|
|
|
30
|
3
|
27.75
|
24.793
|
25.5
|
|
6*
|
25.50
|
19.587
|
21.0
|
|
10
|
22.50
|
12.045
|
15.0
|
|
32
|
|
3
|
29.75
|
26.793
|
27.5
|
|
6*
|
27.50
|
21.587
|
23.0
|
|
10
|
24.50
|
14.645
|
17.0
|
|
|
34
|
3
|
31.75
|
28.793
|
29.5
|
|
6*
|
29.50
|
23.587
|
25.0
|
|
10
|
26.50
|
16.645
|
19.0
|
|
36
|
|
3
|
33.75
|
30.793
|
31.5
|
|
6*
|
31.50
|
25.587
|
27.0
|
|
10
|
28.50
|
18.645
|
21.0
|
|
|
38
|
3
|
35.75
|
32.793
|
33.5
|
|
7*
|
32.75
|
25.851
|
27.5
|
|
10
|
30.50
|
20.645
|
23.0
|
|
40
|
|
3
|
37.75
|
34.793
|
35.5
|
|
7*
|
34.75
|
27.851
|
29.5
|
|
10
|
32.50
|
22.645
|
25.0
|
|
|
42
|
3
|
39.75
|
36.793
|
37.5
|
|
7*
|
36.75
|
29.851
|
31.5
|
|
10
|
34.50
|
24.645
|
27.0
|
|
44
|
|
3
|
41.75
|
38.793
|
39.5
|
|
7*
|
38.75
|
31.851
|
33.5
|
|
12
|
35.00
|
23.174
|
26.0
|
|
|
46
|
3
|
43.75
|
40.793
|
41.5
|
|
8*
|
40.00
|
32.116
|
34.0
|
|
12
|
37.00
|
25.174
|
28.0
|
|
48
|
|
3
|
45.75
|
42.793
|
43.5
|
|
8*
|
42.00
|
34.116
|
36.0
|
|
12
|
39.00
|
27.174
|
30.0
|
|
|
50
|
3
|
47.75
|
44.793
|
45.5
|
|
8*
|
44.00
|
36.116
|
38.0
|
|
12
|
41.00
|
29.174
|
32.0
|
|
52
|
|
3
|
49.75
|
46.793
|
47.5
|
|
8*
|
46.00
|
38.116
|
40.0
|
|
12
|
43.00
|
31.174
|
34
|
|
|
55
|
3
|
52.75
|
49.793
|
50.5
|
|
9*
|
48.25
|
39.380
|
41.5
|
|
14
|
44.50
|
30.702
|
34.0
|
|
60
|
|
3
|
57.75
|
54.793
|
55.5
|
|
9*
|
53.25
|
44.380
|
46.5
|
|
14
|
49.50
|
35.702
|
39.0
|
|
|
65
|
4
|
62.00
|
58.058
|
59.0
|
|
10*
|
57.50
|
46.645
|
50.0
|
|
16
|
53.00
|
37.231
|
41.0
|
|
70
|
|
4
|
67.00
|
63.058
|
64.0
|
|
10*
|
62.50
|
52.645
|
55.0
|
|
16
|
58.00
|
42.231
|
46.0
|
|
|
75
|
4
|
72.00
|
68.058
|
69.0
|
|
10*
|
67.50
|
57.645
|
60.0
|
|
16
|
63.00
|
47.231
|
51.0
|
|
80
|
|
4
|
77.00
|
73.058
|
74.0
|
|
10*
|
72.50
|
62.645
|
65.0
|
|
16
|
68.00
|
52.231
|
56.0
|
|
|
85
|
4
|
82.00
|
78.058
|
79.0
|
|
12*
|
76.00
|
64.174
|
67.0
|
|
18
|
71.50
|
53.760
|
58.0
|
|
90
|
|
4
|
87.00
|
83.058
|
84.0
|
|
12*
|
81.00
|
69.174
|
72.0
|
|
18
|
76.50
|
58.760
|
63.0
|
|
|
95
|
4
|
92.00
|
88.058
|
89.0
|
|
12*
|
86.00
|
74.174
|
77.0
|
|
18
|
81.50
|
63.760
|
68.0
|
|
100
|
|
4
|
97.00
|
93.058
|
94.0
|
|
12*
|
91.00
|
79.171
|
82.0
|
|
20
|
85.00
|
65.289
|
70.0
|
|
|
110
|
4
|
107.00
|
103.058
|
104.0
|
|
12*
|
101.00
|
89.174
|
92.0
|
|
20
|
95.00
|
75.289
|
80.0
|
|
120
|
|
6
|
115.5
|
109.587
|
111
|
|
14*
|
109.5
|
95.702
|
99
|
|
22
|
103.5
|
81.819
|
90
|
|
|
130
|
6
|
135.5
|
129.587
|
131
|
|
14*
|
129.5
|
115.702
|
119
|
|
24
|
122.0
|
98.347
|
104
|
|
140
|
|
6
|
125.5
|
119.587
|
121.0
|
|
14
|
119.5
|
105.702
|
109.0
|
|
22
|
113.5
|
91.818
|
97.0
|
|
|
150
|
6
|
145.5
|
139.587
|
141
|
|
16*
|
138.0
|
122.231
|
126
|
|
24
|
132.0
|
108.347
|
114
|
|
160
|
|
6
|
155.5
|
149.587
|
151
|
|
16*
|
148.0
|
132.231
|
136
|
|
28
|
139.0
|
111.405
|
118
|
|
|
170
|
6
|
165.5
|
159.587
|
161
|
|
16*
|
158.0
|
142.231
|
146
|
|
28
|
149.0
|
121.405
|
128
|
|
180
|
|
8
|
174.0
|
166.116
|
168
|
|
18*
|
166.5
|
148.760
|
153
|
|
28
|
159.0
|
131.405
|
138
|
|
|
190
|
8
|
184.0
|
176.116
|
178
|
|
18*
|
176.5
|
158.760
|
163
|
|
32
|
166.0
|
134.463
|
142
|
|
200
|
|
8
|
194.0
|
186.116
|
188
|
|
18*
|
186.5
|
168.760
|
173
|
|
32
|
176.0
|
144.463
|
152
|
|
|
210
|
8
|
204.0
|
196.116
|
198
|
|
20*
|
195.0
|
175.289
|
180
|
|
36
|
188.0
|
147.521
|
156
|
|
220
|
|
8
|
214.0
|
206.116
|
208
|
|
20*
|
205.0
|
185.289
|
190
|
|
36
|
193.0
|
157.521
|
166
|
|
|
230
|
8
|
224.0
|
216.116
|
218
|
|
20*
|
215.0
|
195.289
|
200
|
|
36
|
203.0
|
167.521
|
176
|
|
240
|
|
8
|
234.0
|
226.116
|
228
|
|
22*
|
223.5
|
201.818
|
207
|
|
36
|
213.0
|
177.521
|
186
|
|
|
250
|
12
|
241.0
|
229.174
|
232
|
|
22*
|
233.5
|
211.174
|
217
|
|
40
|
220.0
|
180.579
|
190
|
|
260
|
|
12
|
251.0
|
239.174
|
242
|
|
22*
|
243.5
|
221.818
|
227
|
|
40
|
230.0
|
190.579
|
200
|
|
|
270
|
12
|
261.0
|
249.174
|
252
|
|
24*
|
252.0
|
228.347
|
234
|
|
40
|
240.0
|
200.579
|
210
|
|
280
|
|
12
|
271.0
|
259.174
|
262
|
|
24*
|
262.0
|
288.347
|
244
|
|
40
|
250.0
|
210.579
|
220
|
|
|
290
|
12
|
281.0
|
269.174
|
272
|
|
24*
|
272.0
|
248.347
|
254
|
|
44
|
257.0
|
313.636
|
224
|
|
300
|
|
12
|
291.0
|
279.174
|
282
|
|
24*
|
282.0
|
258.847
|
264
|
|
44
|
267.0
|
223.636
|
234
|
|
|
320
|
12
|
311.0
|
299.174
|
302
|
|
44
|
287.0
|
243.636
|
254
|
|
340
|
|
12
|
331.0
|
319.174
|
322
|
|
44
|
307.0
|
263.636
|
274
|
|
|
360
|
12
|
351.0
|
339.174
|
342
|
|
380
|
|
12
|
371.0
|
359.174
|
362
|
|
|
400
|
12
|
391.0
|
379.174
|
382
|
|
420
|
|
18
|
406.5
|
388.760
|
393
|
|
|
440
|
18
|
426.5
|
408.760
|
413
|
|
460
|
|
18
|
446.5
|
428.760
|
433
|
|
|
480
|
18
|
466.5
|
448.760
|
453
|
|
500
|
|
18
|
486.5
|
468.760
|
473
|
|
|
520
|
24
|
502.0
|
478.347
|
484
|
|
540
|
|
24
|
522.0
|
498.347
|
504
|
|
|
560
|
24
|
542.0
|
518.347
|
524
|
|
580
|
|
24
|
562.0
|
538.347
|
544
|
|
|
600
|
24
|
582.0
|
558.347
|
564
|
|
620
|
|
24
|
602.0
|
578.347
|
584
|
|
|
640
|
24
|
622.0
|
598.347
|
604
|
注: 1.优先选用第一系列的直径。
2.优先选择带“*”号的螺距。
3.特殊需要时,允许选用表中临近的直径所对应的螺距。
