Product Description
Product Description
Model No.: NMRV/NRV571, 030, 040, 050, 063, 075, 090, 110, 130
Reduction gear, worm gear, gear reducer
Reduction gear
Features:
1) High quality aluminum alloy die cast gearbox
2) High accuracy worm gear and worm shaft
3) Less noise and lower temperature increase
4) Easy mounting and linking, high efficiency
5) Power: 0.06 – 15kW
6) Output torque: 2.7 – 1, 760Nm
7) Transmission rate: 5 – 100
Inner packing: Carton Outer packing: Wooden case
Reduction gear, worm gear, gear reducer
model | PAM IEC | N | M | P | 7.5D | 10D | 15D | 20D | 25D | 30D | 40D | 50D | 60D | 80D |
NMRV030 | 63B5 | 95 | 115 | 140 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | / | / | / |
NMRV030 | 63B14 | 60 | 75 | 90 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | / | / | / |
NMRV030 | 56B5 | 80 | 100 | 120 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
NMRV030 | 56B14 | 50 | 65 | 80 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
NMRV040 | 71B5 | 110 | 130 | 160 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | / | / | / |
NMRV040 | 71B14 | 70 | 85 | 105 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | / | / | / |
NMRV040 | 63B5 | 95 | 115 | 140 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
NMRV040 | 63B14 | 60 | 75 | 90 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
NRMV050 | 90B5 | 130 | 165 | 200 | 19 | 19 | 19 | 19 | 19 | / | / | / | / | / |
NRMV050 | 80B14 | 80 | 100 | 120 | 19 | 19 | 19 | 19 | 19 | / | / | / | / | / |
NRMV050 | 71B5 | 110 | 130 | 160 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
NRMV050 | 71B14 | 70 | 85 | 105 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
NMRV063 | 90B5 | 130 | 165 | 200 | 24 | 24 | 24 | 24 | 24 | 24 | / | / | / | / |
NMRV063 | 90B14 | 95 | 115 | 140 | 24 | 24 | 24 | 24 | 24 | 24 | / | / | / | / |
NMRV063 | 80B5 | 130 | 165 | 200 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | / | / |
NMRV063 | 80B14 | 80 | 100 | 120 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | / | / |
NRMV075 | 100/112B5 | 180 | 215 | 250 | 28 | 28 | 28 | / | / | / | / | / | / | / |
NRMV075 | 100/112B14 | 110 | 130 | 160 | 28 | 28 | 28 | / | / | / | / | / | / | / |
NRMV075 | 90B5 | 130 | 165 | 200 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | / | / | / |
NRMV075 | 90B14 | 95 | 115 | 140 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | / | / | / |
NMRV090 | 100/112B5 | 180 | 215 | 250 | / | / | / | / | 24 | 24 | 24 | 24 | 24 | 24 |
NMRV090 | 100/112B14 | 110 | 130 | 160 | / | / | / | / | 24 | 24 | 24 | 24 | 24 | 24 |
NMRV090 | 90B5 | 130 | 165 | 200 | / | / | / | / | / | / | / | 19 | 19 | 19 |
NMRV090 | 90B14 | 95 | 115 | 140 | / | / | / | / | / | / | / | 19 | 19 | 19 |
Detailed Photos
FAQ
1. How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.
4. Do you sell motors?
We produce and sale motor by ourselves with high quality.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Application: | Motor, Machinery, Agricultural Machinery |
---|---|
Hardness: | Hardened Tooth Surface |
Installation: | Vertical Type |
Layout: | Coaxial |
Gear Shape: | Worm Gear |
Step: | Single-Step |
Samples: |
US$ 23/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
---|
What are the Noise Levels Associated with Worm Gearboxes?
The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:
- Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
- Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
- Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
- Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
- Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
- Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.
It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.
Worm Gearbox vs. Helical Gearbox: A Comparison
Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:
Aspect | Worm Gearbox | Helical Gearbox |
Efficiency | Lower efficiency due to sliding friction between the worm and worm wheel. | Higher efficiency due to rolling contact between helical gear teeth. |
Torque Transmission | Excellent torque transmission and high reduction ratios achievable in a single stage. | Good torque transmission, but may require multiple stages for high reduction ratios. |
Noise and Vibration | Generally higher noise and vibration levels due to sliding action. | Lower noise and vibration levels due to smoother rolling contact. |
Backlash | Higher inherent backlash due to the design. | Lower backlash due to meshing of helical teeth. |
Efficiency at Higher Speeds | Less suitable for high-speed applications due to efficiency loss. | More suitable for high-speed applications due to higher efficiency. |
Overload Protection | Natural self-locking feature provides some overload protection. | May not have the same level of inherent overload protection. |
Applications | Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. | Widely used in various applications including automotive transmissions, industrial machinery, and more. |
Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.
What is a Worm Gearbox and How Does It Work?
A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.
The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.
One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.
editor by CX 2024-04-24
by
Leave a Reply