Product Description
Characteristics:
NMRV/NRV Series Worm and Gear Motor
NMRV Series High Quality Worm Gear Motor contains worm gear reducer and motor(Including 3 phrese AC motor,single AC motor,DC servo motor and DC PM motor).The square aluminum gearbox is manufactured based on GB157188 cylindrical gear parameter.During the process, many advanced technologies are adopted.So it has compact structure, good appearance and excellent heatsink when runing.
This series motor has the following characteristics:smooth running, low noise, large transmission ratio and strange loadcapacity and it may match with different kinds of motors for realizing speed adjustment.
Working principle
High quality ac 230v hollow shaft worm gear motor is used to transfer rotation and torque from motor to working machine,the function is to decrease speed by gears and increase torque
Design characteristics
1:Use low-carbon Aluminium Alloy cementation processing completely.
2:High precision on gear and gear shaft.
3:Small volume with big torque.
Model & Mark :NMRV 063-15 E F1 AZ B3
| NMRV | NMRV means hole input with flange | NRV means shaft input without flange |
| 063 | Distance between the centers of worm and worm gear | |
| 15 | Speed ratio of worm gear speed reducer | |
| E | “E” means double extension worm shaft, no mark means single extension worm shaft | |
| F1 | “F” means output flange, “FL” means high output flange,no mark means output without flange | |
| AZ | “AZ”means bidirectional output shaft, “GZ”means unilateral output shaft and no mark means hole output | |
| B3 | Installation position code | |
| Motor power | Model | speed ratio | output speed | output toruqe |
| 0.25kw 1400rpm |
NMRV063 | 40 | 35rpm | 48.0N.M |
| NMRV063 | 50 | 28rpm | 55.0N.M | |
| NMRV063 | 60 | 24rpm | 63.0N.M | |
| NMRV063 | 80 | 18rpm | 76.0N.M | |
| NMRV063 | 100 | 14rpm | 87.0N.M | |
| 0.37kw 1400rpm |
NMRV063 | 25 | 56rpm | 50.0N.M |
| NMRV063 | 30 | 47rpm | 57.0N.M | |
| NMRV063 | 40 | 35rpm | 70.0N.M | |
| NMRV063 | 50 | 28rpm | 82.0N.M | |
| NMRV063 | 60 | 24rpm | 94.0N.M | |
| NMRV063 | 80 | 18rpm | 113.0N.M | |
| NMRV063 | 100 | 14rpm | 129.0N.M | |
| 0.55kw 1400rpm |
NMRV063 | 15 | 94rpm | 47.0N.M |
| NMRV063 | 20 | 70rpm | 60.0N.M | |
| NMRV063 | 25 | 56rpm | 72.0N.M | |
| NMRV063 | 30 | 47rpm | 82.0N.M | |
| NMRV063 | 40 | 35rpm | 104.0N.M | |
| NMRV063 | 50 | 28rpm | 122.0N.M | |
| NMRV063 | 60 | 24rpm | 140.0N.M | |
| NMRV063 | 80 | 18rpm | 174.0N.M | |
| 0.75kw 1400rpm |
NMRV063 | 10 | 140rpm | 45.0N.M |
| NMRV063 | 15 | 94rpm | 63.0N.M | |
| NMRV063 | 20 | 70rpm | 82.0N.M | |
| NMRV063 | 25 | 56rpm | 98.0N.M | |
| NMRV063 | 30 | 47rpm | 112.0N.M | |
| NMRV063 | 40 | 35rpm | 141.0N.M | |
| NMRV063 | 50 | 28rpm | 171.0N.M | |
| 1.1kw 1400rpm |
NMRV063 | 5 | 280rpm | 35.0N.M |
| NMRV063 | 7.5 | 186rpm | 50.0N.M | |
| NMRV063 | 10 | 140rpm | 65.0N.M | |
| NMRV063 | 15 | 94rpm | 92.0N.M | |
| NMRV063 | 20 | 70rpm | 120.0N.M | |
| NMRV063 | 25 | 56rpm | 144.0N.M | |
| NMRV063 | 30 | 47rpm | 164.0N.M | |
| 1.5kw 1400rpm |
NMRV063 | 5 | 280rpm | 55.0N.M |
| NMRV063 | 7.5 | 186rpm | 67.5N.M | |
| NMRV063 | 10 | 140rpm | 88.0N.M | |
| NMRV063 | 15 | 94rpm | 128.0N.M | |
| NMRV063 | 20 | 70rpm | 164.0N.M |
Notice for ordering:
1) when ordering,please refer to the details of the products and tell us the exact type your need according to your requirements,like input speed,output torque,configuration,installation,etc:the installation position of the products in the order should accord with your actual needs,otherwise, it will result in oil leakage, which will impact the serving life of the products negatively.if there is special requirement to the installation position,please stress it and inform us.
2) to attain the excellent state of the variators, the common working speed should be chosen in the middle position,instead,it ismot appropriate to choose in the positions of min,or max.speed
3) if your requirements of worm gearbox or speed variator are different from shte standard products as in the catalogue,like:some portion that should be customized or mounted with special motors,please inform us in advance
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| Application: | Machinery, Industry |
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| Hardness: | Hardened |
| Type: | Worm and Wormwheel |
| Customization: |
Available
| Customized Request |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Common Problems and Troubleshooting for Worm Gearboxes
Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:
- Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
- Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
- Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
- Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
- Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
- Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
- Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
- Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.
If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.
How to Calculate the Efficiency of a Worm Gearbox
Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:
- Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
- Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
- Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%
For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.
It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.
How to Select the Right Worm Gearbox for Your Application
Selecting the right worm gearbox for your application involves careful consideration of various factors:
- Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
- Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
- Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
- Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
- Mounting Options: Determine the mounting orientation and configuration that best suits your application.
- Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
- Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
- Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
- Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
- Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.
Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.
editor by CX 2024-03-27
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