SCW 型軸裝式圓弧圓柱蝸桿減速器(JB/T6387 — 1992)直接套裝在工作機(jī)主軸上,包括
SCWU ,,SCWS,,SCWO 三個(gè)系列。其工程傳動(dòng)比主要有
5
6.3
8
10
12.5
16
20
25
31.5
40
50
63
實(shí)際傳動(dòng)比為蝸輪齒數(shù)/蝸桿頭數(shù),,為配湊中心距以及蝸輪變位加工而產(chǎn)生的實(shí)際傳動(dòng)比和公稱(chēng)傳動(dòng)比稍有差距,,下面是公稱(chēng)傳動(dòng)比和實(shí)際傳動(dòng)比的對(duì)照:
中心距
a/mm
|
公稱(chēng)傳動(dòng)比iN
|
5
|
6.3
|
8
|
10
|
12.5
|
16
|
20
|
25
|
31.5
|
40
|
50
|
63
|
實(shí)際傳動(dòng)比iN
|
63
|
4.80
|
6.25
|
7.75
|
10.33
|
12.67
|
15.50
|
19.50
|
24.50
|
31
|
39
|
49
|
—
|
80
|
4.80
|
6.25
|
8.25
|
10.33
|
12.33
|
15.50
|
20.50
|
25.50
|
31
|
41
|
51
|
59
|
100
|
4.80
|
6.25
|
8.25
|
10.33
|
12.33
|
15.50
|
20.50
|
24.50
|
31
|
41
|
50
|
60
|
125
|
4.80
|
6.25
|
8.25
|
10.33
|
12.33
|
15.50
|
20.50
|
25.50
|
30
|
41
|
50
|
59
|
140
|
—
|
5.80
|
7.25
|
10.33
|
11.67
|
15.50
|
19.50
|
25.50
|
31
|
39
|
51
|
58
|
160
|
4.80
|
6.25
|
8.50
|
10.33
|
12.33
|
15.50
|
20.50
|
24.50
|
31
|
41
|
50
|
61
|
180
|
—
|
5.80
|
7.25
|
9.67
|
12.00
|
16.50
|
19.50
|
26
|
33
|
40
|
52
|
60
|
200
|
4.80
|
6.25
|
8.25
|
10.33
|
12.67
|
15.50
|
20.50
|
25.50
|
31
|
41
|
50
|
60
|
225
|
—
|
5.80
|
7.25
|
10.67
|
12.00
|
16
|
19.50
|
26
|
32
|
40
|
52
|
58
|
250
|
4.80
|
6.25
|
8.25
|
10.33
|
12.33
|
15.50
|
20.50
|
25.50
|
31
|
41
|
50
|
59
|
280
|
—
|
5.80
|
7.25
|
10.67
|
12.00
|
16
|
19.50
|
25.50
|
32
|
39
|
51
|
59
|
315
|
4.80
|
6.25
|
8.25
|
10.33
|
12.67
|
15.50
|
20.50
|
24.50
|
31
|
41
|
50
|
59
|
|