37.5°外花键大径基本尺寸(摘自GB/T3478.1-1995) (mm)
Dee＝m(Z+0.9)
|
齿数 Z
|
模 数
|
0.5
|
(0.75)
|
1
|
(1.25)
|
1.5
|
(1.75)
|
2
|
2.5
|
3
|
(4)
|
5
|
(6)
|
(8)
|
10
|
10
|
5.45
|
8.18
|
10.9
|
13.62
|
16.35
|
19.07
|
21.8
|
27.25
|
32.7
|
43.6
|
54.5
|
65.4
|
87.2
|
109
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11
|
5.95
|
8.93
|
11.9
|
14.87
|
17.85
|
20.82
|
23.8
|
29.75
|
35.7
|
47.6
|
59.5
|
71.4
|
95.2
|
119
|
12
|
6.45
|
9.68
|
12.9
|
16.12
|
19.35
|
22.57
|
25.8
|
32.25
|
38.7
|
51.6
|
64.5
|
77.4
|
103.2
|
129
|
13
|
6.95
|
10.43
|
13.9
|
17.37
|
20.85
|
24.32
|
27.8
|
34.75
|
41.7
|
55.6
|
69.5
|
83.4
|
111.2
|
139
|
14
|
7.45
|
11.18
|
14.9
|
18.62
|
22.35
|
26.07
|
29.8
|
37.25
|
44.7
|
59.6
|
74.5
|
89.4
|
119.2
|
149
|
15
|
7.95
|
11.93
|
15.9
|
19.87
|
23.85
|
27.82
|
31.8
|
39.75
|
47.7
|
63.6
|
79.5
|
95.4
|
127.2
|
159
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16
|
8.45
|
12.67
|
16.9
|
21.12
|
25.35
|
29.57
|
33.8
|
42.25
|
50.7
|
67.6
|
84.5
|
101.4
|
135.2
|
169
|
17
|
8.95
|
13.42
|
17.9
|
22.37
|
26.85
|
31.32
|
35.8
|
44.75
|
53.7
|
71.6
|
89.5
|
107.4
|
143.2
|
179
|
18
|
9.45
|
14.17
|
18.9
|
23.62
|
28.35
|
33.07
|
37.8
|
47.25
|
56.7
|
75.6
|
94.5
|
113.4
|
151.2
|
189
|
19
|
9.95
|
14.92
|
19.9
|
24.87
|
29.85
|
34.82
|
39.8
|
49.75
|
59.7
|
79.6
|
99.5
|
119.4
|
159.2
|
199
|
20
|
10.45
|
15.67
|
20.9
|
26.12
|
31.35
|
36.57
|
41.8
|
52.25
|
62.7
|
83.6
|
104.5
|
125.4
|
167.2
|
209
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
21
|
10.95
|
16.43
|
21.9
|
27.37
|
32.85
|
38.32
|
43.8
|
54.75
|
65.7
|
87.6
|
109.5
|
131.4
|
175.2
|
219
|
22
|
11.45
|
17.18
|
22.9
|
28.62
|
34.35
|
40.07
|
45.8
|
57.25
|
68.7
|
91.6
|
114.5
|
137.4
|
183.2
|
229
|
23
|
11.95
|
17.93
|
23.9
|
29.87
|
35.85
|
41.82
|
47.8
|
59.75
|
71.7
|
95.6
|
119.5
|
143.4
|
191.2
|
239
|
24
|
12.45
|
18.68
|
24.9
|
31.12
|
37.35
|
43.57
|
49.8
|
62.25
|
74.7
|
99.6
|
124.5
|
149.4
|
199.2
|
249
|
25
|
12.95
|
19.43
|
25.9
|
32.37
|
38.85
|
45.32
|
51.8
|
64.75
|
77.7
|
103.6
|
129.5
|
155.4
|
207.2
|
259
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
26
|
13.45
|
20.18
|
26.9
|
33.62
|
40.35
|
47.07
|
53.8
|
67.25
|
80.7
|
107.6
|
134.5
|
161.4
|
215.2
|
269
|
27
|
13.95
|
20.93
|
27.9
|
34.87
|
41.85
|
48.82
|
55.8
|
69.75
|
83.7
|
111.6
|
139.5
|
167.4
|
223.2
|
279
|
28
|
14.45
|
21.68
|
28.9
|
36.12
|
43.35
|
50.57
|
57.8
|
72.25
|
86.7
|
115.6
|
144.5
|
173.4
|
231.2
|
289
|
29
|
14.95
|
22.43
|
29.9
|
37.37
|
44.85
|
52.32
|
59.8
|
74.75
|
89.7
|
119.6
|
149.5
|
179.4
|
239.2
|
299
|
30
|
15.45
|
23.18
|
30.9
|
38.62
|
46.35
|
54.07
|
61.8
|
77.25
|
92.7
|
123.6
|
154.5
|
185.4
|
247.2
|
309
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
31
|
15.95
|
23.93
|
31.9
|
39.87
|
47.85
|
55.82
|
63.8
|
79.75
|
95.7
|
127.6
|
159.5
|
191.4
|
255.2
|
319
|
32
|
16.45
|
24.68
|
32.9
|
41.12
|
49.35
|
57.57
|
65.8
|
82.25
|
98.7
|
131.6
|
164.5
|
197.4
|
263.2
|
329
|
33
|
16.95
|
25.43
|
33.9
|
42.37
|
50.85
|
59.32
|
67.8
|
84.75
|
101.7
|
135.6
|
169.5
|
203.4
|
271.2
|
339
|
34
|
17.45
|
26.18
|
34.9
|
43.62
|
52.35
|
61.07
|
69.8
|
87.25
|
104.7
|
139.6
|
174.5
|
209.4
|
279.2
|
349
|
35
|
17.95
|
26.93
|
35.9
|
44.87
|
53.85
|
62.82
|
71.8
|
89.75
|
107.7
|
143.6
|
179.5
|
215.4
|
287.2
|
359
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
36
|
18.45
|
27.68
|
36.9
|
46.12
|
55.35
|
64.58
|
73.8
|
92.25
|
110.7
|
147.6
|
184.5
|
221.4
|
295.2
|
369
|
37
|
18.95
|
28.43
|
37.9
|
47.37
|
56.85
|
66.33
|
75.8
|
94.75
|
113.7
|
151.6
|
189.5
|
227.4
|
303.2
|
379
|
38
|
19.45
|
29.18
|
38.9
|
48.62
|
58.35
|
68.08
|
77.8
|
97.25
|
116.7
|
155.6
|
194.5
|
233.4
|
311.2
|
389
|
39
|
19.95
|
29.93
|
39.9
|
49.87
|
59.85
|
69.83
|
79.8
|
99.75
|
119.7
|
159.6
|
199.5
|
239.4
|
319.2
|
399
|
40
|
20.45
|
30.68
|
40.9
|
51.12
|
61.35
|
71.58
|
81.8
|
102.25
|
122.7
|
163.6
|
204.5
|
245.4
|
327.2
|
409
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
41
|
20.95
|
31.43
|
41.9
|
52.37
|
62.85
|
73.33
|
83.8
|
104.75
|
125.7
|
167.6
|
209.5
|
251.4
|
335.2
|
419
|
42
|
21.45
|
32.17
|
42.9
|
53.62
|
64.35
|
75.08
|
85.8
|
107.25
|
128.7
|
171.6
|
214.5
|
257.4
|
343.2
|
429
|
43
|
21.95
|
32.92
|
43.9
|
54.87
|
65.85
|
76.83
|
87.8
|
109.75
|
131.7
|
175.6
|
219.5
|
263.4
|
351.2
|
439
|
44
|
22.45
|
33.67
|
44.9
|
56.12
|
67.35
|
78.58
|
89.8
|
112.25
|
134.7
|
179.6
|
224.5
|
269.4
|
359.2
|
449
|
45
|
22.95
|
34.42
|
45.9
|
57.37
|
68.85
|
80.33
|
91.8
|
114.75
|
137.7
|
183.6
|
229.5
|
275.4
|
367.2
|
459
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
46
|
23.45
|
35.17
|
46.9
|
58.62
|
70.35
|
82.08
|
93.8
|
117.25
|
140.7
|
187.6
|
234.5
|
281.4
|
375.2
|
469
|
47
|
23.95
|
35.92
|
47.9
|
59.87
|
71.85
|
83.83
|
95.8
|
119.75
|
143.7
|
191.6
|
239.5
|
287.4
|
383.2
|
479
|
48
|
24.45
|
36.67
|
48.9
|
61.12
|
73.35
|
85.58
|
97.8
|
122.25
|
146.7
|
195.6
|
244.5
|
293.4
|
391.2
|
489
|
49
|
24.95
|
37.42
|
49.9
|
62.37
|
74.85
|
87.33
|
99.8
|
124.75
|
149.7
|
199.6
|
249.5
|
299.4
|
399.2
|
499
|
50
|
25.45
|
38.17
|
50.9
|
63.62
|
76.35
|
89.08
|
101.8
|
127.25
|
152.7
|
203.6
|
254.5
|
305.4
|
407.2
|
509
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
51
|
25.95
|
38.92
|
51.9
|
64.87
|
77.85
|
90.83
|
103.8
|
129.75
|
155.7
|
207.6
|
259.5
|
311.4
|
415.2
|
519
|
52
|
26.45
|
39.67
|
52.9
|
66.12
|
79.35
|
92.58
|
105.8
|
132.25
|
158.7
|
211.6
|
264.5
|
317.4
|
423.2
|
529
|
53
|
26.95
|
40.42
|
53.9
|
67.37
|
80.85
|
94.33
|
107.8
|
134.75
|
161.7
|
215.6
|
269.5
|
323.4
|
431.2
|
539
|
54
|
27.45
|
41.17
|
54.9
|
68.62
|
82.35
|
96.08
|
109.8
|
137.25
|
164.7
|
219.6
|
274.5
|
329.4
|
439.2
|
549
|
55
|
27.95
|
41.92
|
55.9
|
69.87
|
83.85
|
97.83
|
111.8
|
139.75
|
167.7
|
223.6
|
279.5
|
335.4
|
447.2
|
559
|
|
|
|
|
|
|
|
|
|
|
|
