 |
AGRO ENGINEERS (Gears)
|
 |
Selection
of Correct Worm Speed Reducer
| For Gear Unit
selection Prime mover's maximum power rating can be taken
as base for determining the actual load. The Gear
Selection is made by comparing actual transmitted loads
with catalogue ratings. It is important to realise that
are based on standard set of load conditions,
which invariably change for different conditions.
Therefore service factor must be used to calculate a
theoratical transmitted load or equivalent load, before
comparing with catalogue rating. For calculating the same,
apply the formula:- Equivalent Load =
Actual Load x Service Factor
These
are some Suggestions to improve the performance of your
worm speed reducers, worm gear boxes or worm geared
drives. However, please note that these are suggestions
based on standard set of conditions. If these are
different from your results, please rely on your results
and inform us.
|
Mechanical
Service Factor
| Prime
Mover |
Duration
of Service Hours/Day |
Uniform Loads
|
Moderate Shocks
|
Heavy Shocks
|
| Electric
Motor, Steam Engine, or Hydraulic Motor. |
Under
3 3 to
10
Over
10
|
0.80 1.00
1.25
|
1.00 1.25
1.50
|
1.50 1.75
2.00
|
| Single
Cylinder Internal Combustion Engine |
Under
3 3 to
10
Over
10
|
1.25 1.50
1.75
|
1.50 1.75
2.00
|
2.00 2.25
2.50
|
|
Thermal
Service Factor
| Temp
in °C Factor
|
10 0.87
|
20 1.00
|
30 1.16
|
40 1.35
|
50 1.62
|
60 1.97
|
|
|
HORSE
POWER RATING
The values
below represent the maximum Horse Power Ratings
of AGNEE Worm Speed Reducers at service Factor of
1
| Nominal Ratio
|
Input RPM
|
Output RPM
|
50 H.P.
|
60 H.P.
|
75 H.P.
|
85 H.P.
|
100 H.P.
|
125 H.P.
|
150 H.P.
|
175 H.P.
|
200 H.P.
|
250 H.P.
|
300 H.P.
|
350 H.P.
|
| 5:1 |
1500 1000
750
|
300 200
150
|
2.30 1.80
1.40
|
3.10 2.50
2.00
|
6.20 5.00
4.10
|
10.20 8.20
6.70
|
13.60 11.10
9.20
|
20.30 16.30
13.40
|
35.20 28.00
22.00
|
49.80 39.00
31.80
|
63.50 48.00
40.00
|
87.50 68.00
56.00
|
114.00 90.00
78.00
|
158.00 125.00
115.00
|
| 10:1 |
1500 1000
750
|
150 100
75
|
1.50 1.20
0.90
|
2.60 2.00
3.10
|
3.80 3.10
2.50
|
6.20 5.10
4.10
|
8.50 7.20
5.90
|
14.20 11.80
10.20
|
21.80 17.10
15.70
|
30.60 24.00
20.80
|
40.10 32.00
27.50
|
72.00 55.00
42.00
|
98.00 80.00
62.00
|
132.00 105.00
86.00
|
| 15:1 |
1500 1000
750
|
100 66.7
50
|
1.25 0.90
0.70
|
1.80 1.40
1.10
|
3.20 2.70
2.10
|
5.10 4.00
3.20
|
7.20 5.60
4.20
|
11.10 8.50
7.00
|
17.60 13.80
11.80
|
25.10 19.80
15.20
|
31.80 26.20
21.60
|
54.00 42.00
35.00
|
75.00 50.00
48.00
|
110.00 90.00
74.00
|
| 20:1 |
1500 1000
750
|
75 50
37.5
|
1.10 0.80
0.60
|
1.50 1.10
0.80
|
2.90 2.10
1.60
|
4.30 3.10
2.40
|
6.20 4.20
3.60
|
9.80 7.20
5.80
|
15.70 10.80
8.80
|
22.90 15.70
13.90
|
25.80 19.80
16.70
|
45.00 33.00
26.00
|
67.00 49.00
39.00
|
95.00 75.00
60.00
|
| 25:1 |
1500 1000
750
|
60 40
30
|
0.85 0.70
0.50
|
1.25 0.90
0.70
|
2.40 1.80
1.40
|
3.90 2.80
2.10
|
5.10 3.90
3.10
|
8.20 6.70
5.20
|
12.50 10.20
8.100
|
18.50 14.70
11.70
|
22.10 17.60
14.70
|
40.00 30.00
23.00
|
60.00 45.00
34.00
|
88.00 64.00
52.00
|
| 30:1 |
1500 1000
750
|
50 33.3
25
|
0.65 0.55
0.45
|
1.10 0.80
0.60
|
2.10 1.60
1.20
|
3.20 2.50
2.00
|
4.50 3.50
2.70
|
7.20 5.90
4.70
|
10.70 8.20
7.10
|
16.20 12.10
9.80
|
19.90 15.60
13.10
|
34.00 27.00
21.00
|
53.00 38.00
30.00
|
75.00 55.00
42.00
|
| 40:1 |
1500 1000
750
|
37.5 25
18.8
|
0.40 0.30
0.25
|
0.90 0.68
0.50
|
1.80 1.30
0.90
|
2.50 1.90
1.40
|
3.60 2.90
2.10
|
6.30 4.80
3.40
|
9.20 7.20
5.70
|
13.20 10.60
8.40
|
18.00 13.90
10.80
|
29.00 20.00
16.00
|
41.00 32.00
24.00
|
60.00 46.00
35.00
|
| 50:1 |
1500 1000
750
|
30 20
15
|
0.30 0.25
0.20
|
0.70 0.55
0.45
|
1.40 1.10
0.70
|
2.10 1.50
1.10
|
2.90 2.20
1.70
|
5.10 4.00
3.10
|
8.10 6.50
5.10
|
10.30 8.30
7.00
|
15.80 12.10
8.40
|
22.00 17.00
14.00
|
36.00 27.00
20.00
|
48.00 37.00
30.00
|
| 60:1 |
1500 1000
750
|
25 16.7
12.5
|
0.25 0.20
0.18
|
0.60 0.50
0.40
|
1.10 0.80
0.60
|
1.80 1.30
0.90
|
2.30 1.80
1.30
|
4.40 3.30
2.40
|
6.80 5.20
4.10
|
8.40 7.00
6.10
|
12.20 9.70
8.10
|
18.00 14.00
12.00
|
30.00 22.10
17.00
|
42.00 34.00
28.00
|
| 70:1 |
1500 1000
750
|
21.4 14.3
10.7
|
0.25 0.20
0.15
|
0.55 0.45
0.35
|
0.90 0.70
0.56
|
1.20 1.00
0.80
|
1.90 1.50
1.20
|
3.80 2.80
2.20
|
6.00 4.50
3.70
|
7.50 6.30
5.30
|
10.20 8.20
7.10
|
16.00 13.00
11.00
|
26.00 20.00
17.00
|
36.00 29.00
24.00
|
- The
models relate to Centre Distances in
millimeter.
- The
Ratios mentioned above are nominal and
the actual may vary by upto +10%
- The
Model no. 50 to 85 are available in
adaptable Bodies, while 100 to 350 are in
Horizontal & Vertical Output Shafts
Bodies
- For
overdriven Units, it is necessary to
derate by 5% for all the ratios up to 30:1
inclusive and by 15% for 35:1 and higher
ratios.
- Worm
Shafts and Worm Gears are also available
without bodies.
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Contact
Us
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