Casting iron worm reducers|reducers made in China

　
speed reducer
AY

Shaft Direction

SIZE
RATIO
A
A₁
AB
B
BB
CC
E
F
M
N
H
HL
LL
G
Z
INPUT HOLE
OUTPUT SHAFT
U
HS
T?
S
LS
T?
40

5:1
10:1
15:1
20:1
30:1
40:1
50:1
60:1
2.24

3.35
1.57
2.91
1.575
2.76
3.15
3.54
3.94
5.31
1.57
3.15
0.47
0.39
0.500
1.10
1/8?/16
0.625
1.38
3/16?2
50
2.76

4.13
2.08
3.82
1.969
3.74
4.33
4.72
5.51
7.09
1.97
3.94
0.59
0.43
0.625
1.18
3/16?2
0.750
1.57
3/16?2
60
3.09

4.72
2.20
4.33
2.362
4.13
4.72
5.12
5.91
8.27
2.36
4.72
0.70
0.43
0.750
1.57
3/16?2
1.000
1.97
4/1?/8
70
3.76

5.51
2.52
5.12
2.756
4.53
5.91
5.91
7.48
9.57
2.76
5.51
0.79
0.59
0.875
1.57
3/16?2
1.125
2.36
1/4?/8
80
4.11

6.30
2.85
5.51
3.150
5.31
7.09
6.69
8.66
10.75
3.15
6.30
0.79
0.59
1.125
1.97
1/4?/8
1.375
2.56
5/16?2
100
4.78

7.00
2.95
6.10
3.937
6.10
8.66
7.48
10.24
13.39
3.94
7.87
0.98
0.59
1.375
1.97
5/16?2
1.500
2.95
3/8?/16
120
6.10
8.26
9.06
4.02
7.28
4.724
7.09
10.24
9.06
12.60
16.14
4.72
9.45
1.18
0.71
1.500
2.56
3/8?/16
1.750
3.35
3/8?/16
135
6.89
9.06
10.24
4.33
8.27
5.135
7.87
11.42
9.84
13.78
18.50
5.31
10.63
1.18
0.71
1.625
2.95
3/8?/16
2.250
3.74
1/2?/4
155
7.64
10.24
11.89
5.20
9.92
6.102
8.66
12.60
11.02
15.35
19.49
5.31
11.42
1.38
0.79
1.625
3.35
3/8?/16
2.500
4.33
5/8?/16
175
8.78
11.42
12.80
5.71
10.31
6.890
9.84
13.78
12.20
16.93
21.89
6.30
13.19
1.46
0.79
1.875
3.35
1/2?/4
2.750
4.33
5/8?/16
200
9.61
12.60
13.78
6.89
12.01
7.874
11.42
15.35
14.17
18.90
24.61
6.89
14.76
1.65
0.87
2.000
3.74
1/2?/4
2.875
4.92
3/4?/8
250
11.42
16.00
16.54
7.87
14.17
9.843
14.96
18.90
18.11
22.05
29.72
7.87
17.72
1.89
1.06
2.250
4.33
1/2?/4
3.500
6.10
7/8?/1