Nmrv90 Worm Gear Speed Reduction Gearbox Reducer Double or Single Output Shaft

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Worm Reducer

Worm reducers are a type of gear reducer that uses a worm gear and a worm wheel to transmit power between two shafts. Worm gears are spiral-shaped gears that mesh with worm wheels, which are gear wheels with teeth that are perpendicular to the axis of the wheel.

Worm reducers are known for their high torque capacity, low noise levels, and smooth operation. They are also very efficient, with efficiencies of up to 98%. This makes them ideal for a wide range of applications, including:

  • Industrial machinery
  • Agricultural equipment
  • Construction equipment
  • Mining equipment
  • Food processing equipment
  • Material handling equipment
  • Automated manufacturing equipment
  • Robotics

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Specification

Model
Motor Input Flange (circle)
Transmission Ratio
Power
(kw)
Ratio
(i)
Nominal Torque
(Nm)
PAM / IEC
Internal Dia.
Dis. Between Diagonal Screw Holes
External Dia.
Width of Key Slot
5
7.5
10
15
20
25
30
40
50
60
80
100
N
M
P
E
Diamter of Input Shaft
NMRV25
56B14
50
65
80
3
9
-
9
-
0.06
7.5-60
2.6-14
NMRV30
63B5
95
115
140
4
11
-
0.06-0.18
7.5-80
2.6-14
63B14
60
75
90
56B5
80
100
120
3
9
-
56B14
50
65
80
NMRV40
71B5
110
130
160
5
14
-
0.09-0.37
7.5-100
11-53
71B14
70
85
105
63B5
95
115
140
4
11
63B14
60
75
90
56B5
80
100
120
3
-
9
NMRV50
80B5
130
165
200
6
19
-
0.12-0.75
7.5-100
21-89
80B14
80
100
120
71B5
110
130
160
5
14
-
71B14
70
85
105
63B5
95
115
140
4
-
11
NMRV63
90B5
130
165
200
8
24
-
0.25-1.5
7.5-100
56-166
90B14
95
115
140
80B5
130
165
200
6
19
-
80B14
80
100
120
71B5
110
130
160
5
-
14
71B14
70
85
105
NMRV75
100/112B5
180
215
250
8
-
28
-
0.55-4
7.5-100
90-269
100/112B14
110
130
160
90B5
130
165
200
8
24
-
90B14
95
115
140
80B5
130
165
200
6
-
19
80B14
80
100
120
71B5
110
130
160
-
-
14
NMRV90
100/112B5
180
215
250
8
-
28
-
0.55-4
7.5-100
101-458
100/112B14
110
130
160
90B5
130
165
200
8
24
-
90B14
95
115
140
80B5
130
165
200
6
-
19
80B14
80
100
120
NMRV110
132B5
230
265
300
10
-
38
-
1.1-7.5
7.5-100
242-660
132B14
130
165
200
-
100/112B5
180
215
250
8
28
-
90B5
130
165
200
-
24
90B14
95
115
140
-
80B5
130
165
200
-
19
 NMRV130
132B5
230
265
300
10
 -
38
 -
 2.2-7.5
 7.5-100
 333-1596
132B14
130
165
200
-
100/112B5
180
215
250
8
-
28
90B5
130
165
200
-
-
24
90B14
95
115
140
NMRV150
160B5
250
300
350
12
-
42
-
2.2-15
7.5-100
570-1760
132B5
230
265
300
10
-
38
-
132B14
130
165
200
-
100/112B5
180
215
250
8
-
28

Selecting the Right Worm Reducer

When selecting a worm reducer, it is important to consider the following factors:

  • Torque capacity: The worm reducer must have a torque capacity that is greater than or equal to the torque that is being transmitted.
  • Speed ratio: The worm reducer must have the correct speed ratio to achieve the desired speed reduction or increase.
  • Input and output shaft sizes: The worm reducer must have input and output shaft sizes that are compatible with the other components in the power transmission system.
  • Mounting type: The worm reducer must have a mounting type that is compatible with the application.
  • Service environment: The worm reducer must be made of materials that are suitable for the operating environment. For example, a worm reducer that will be used in a corrosive environment should be made of stainless steel.

Installation and Maintenance of Worm Reducers

Worm reducers are relatively easy to install and maintain. However, it is important to follow the manufacturer's instructions to ensure proper installation and operation.

Here are some general tips for installing and maintaining worm reducers:

  • Make sure that the worm reducer is properly aligned with the input and output shafts.
  • Use the correct type and size of lubricant.
  • Inspect the worm reducer regularly for signs of wear or damage.
  • Replace the worm reducer as needed.

Conclusion

Worm reducers are a versatile and reliable power transmission solution that is suitable for a wide range of applications. They offer high torque capacity, low noise levels, smooth operation, and high efficiency. When selecting a worm reducer, it is important to consider the torque capacity, speed ratio, input and output shaft sizes, mounting type, and service environment. Worm reducers are relatively easy to install and maintain, but it is important to follow the manufacturer's instructions to ensure proper installation and operation.

Additional Information

Here is some additional information about worm reducers that you may find helpful:

  • Worm gear materials: Worm gears are typically made of hardened steel or bronze.
  • Worm wheel materials: Worm wheels are typically made of cast iron, bronze, or nylon.
  • Worm reducer lubrication: Worm reducers are typically lubricated with grease or oil.
  • Worm reducer maintenance: Worm reducers should be inspected regularly for signs of wear or damage, and the lubricant should be changed according to the manufacturer's recommendations.

We are one of the best worm reducer manufacturers. We have exported our products to clients around the world and earned a good reputation because of our superior product quality and after-sales service. We warmly welcome customers both at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!

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Application

Application