|
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。
