表4-4　圆弧圆柱蜗杆传动常用的参数匹配

中心距a
公称传动比 i
模数 m
蜗杆分度圆直径d1
蜗杆头数z1
蜗轮齿数z2
蜗轮变位系数 x2
实际传动比ic
100
10
12.5
16
20
25
31.5
40
50
60
4.8
4
4.8
3.8
3.2
4.8
3.8
3.2
2.75
16.4
44
46.4
38.4
36.6
46.4
38.4
36.6
32.5
3
3
2
2
2
1
1
1
1
31
37
31
41
49
31
41
50
60
0.5
1
0.5
0.763
1.031
0.5
0.763
0.531
0.455
10.33
12.33
15.5
20.5
24.5
31
41
50
60
125
10
12.5
16
20
25
31.5
40
50
60
6.2
5.2
6.2
4
4.8
6.2
4.8
4
3.5
57.6
54.6
57.6
46.4
44
57.6
46.4
44
39
3
3
2
2
2
1
1
1
1
31
37
31
41
51
30
41
50
59
0.016
0.288
0.016
0.708
0.250
0.516
0.708
0.750
0.643
10.33
12.33
15.5
20.5
25.5
31
41
50
59
160
10
12.5
16
20
25
31.5
40
50
60
7.8
6.5
7.8
6.2
5.2
7.8
6.2
5.2
4.4
59.4
67
69.4
57.6
54.6
69.4
57.6
54.6
47.2
3
3
2
2
2
1
1
1
1
31
37
31
41
19
31
41
50
60
0.564
0.962
0.564
0.661
1.019
0.564
0.661
0.519
0.5
10.33
12.33
15.5
20.5
24.5
31
41
50
61
180
10
12.5
16
20
25
31.5
40
50
6
9.2
7.8
8.2
7.1
5.6
8.2
7.1
5.6
80.6
69.4
78.6
70.8
58.8
78.6
70.8
58.8
5
3
3
2
2
2
1
1
1
29
36
33
39
52
33
40
52
6
0.685
0.628
0.659
0.866
0.893
0.659
0.366
0.893
0.
9.67
12
16.5
19.5
26
33
40
52
60
200
10
12.5
16
20
25
31.5
40
50
60
10
8.2
10
7.8
6.5
10
7.8
6.5
5.6
82
78.6
82
69.4
67
82
69.4
67
58.8
3
3
2
2
2
1
1
1
1
31
38
31
41
51
31
41
50
60
0.4
0.598
0.4
0.692
0.115
0.4
0.692
0.615
0.464
10.33
12.67
15.5
20.5
25.5
31
41
50
60
250
10
12.5
16
20
25
31.5
40
50
60
12.5
10.5
12.5
10
8.2
12.5
10
8.2
7.1
105
99
105
82
78.6
105
82
78.6
70.8
3
3
2
2
2
1
1
1
1
31
37
31
41
51
31
41
50
59
0.3
0.595
0.3
0.4
0.195
0.3
0.4
0.695
0.725
10.33
12.33
15.5
20.5
25.5
31
41
50
59

 

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