Product Description
Place of Origin:ZHangZhoug, China (Mainland) Brand Name:EED Model Number:NRV30~150
Gearing Arrangement:Worm Output Torque:2.6 ~ 479 N.M Rated Power:0.06 ~ 4KW
Input Speed:1400 rpm Output Speed:14 rpm to 186 rpm Color:Silver or blue
Material of housing:Aluminium alloy Packing:Wooden box/Paper carton
Mount Position:Foot Mounted, Flange Mounted Extra service:OEM is welcome
Quality Control System:ISO9001:2008
Size: NRV30. NRV40. NRV50. NRV63. NRV75. NRV90. NRV110. NRV130. NRV150
NRV gearbox per motovario standare
Structure Features
1. Made of high-quality aluminumalloy, light in Weight and non-rusting
2. Large in output torque
3. Smooth in running and low in noise, can work long time in dreadful conditions
4. High in radiating efficiency
5. Good-looking in appearance, durable in service lifa end small in volume
6. Suitable for ominbearing installation
Main Materials
1. Housing: Die-cast aluminum alloy(size 571-090), cast iron(size 110-150)
2. Worm sahft: 20CRMNTI, carbonize heat treatment make the hardness of gear’s surface up to 56-62 HRC. Retain carburization layer’s thickness between 0.3 and 0.5mm after precise grinding
3. Worm wheel: Wearable stannum bronze alloy
Surface painting
Aluminum alloy housing:
1. Shot blasing and special antiseptice treatment on the aluminum alloy surface
2. After phosphating, pain with bule. Sliver, grey, red or based on customer demands
Markets
Agriculture, Air Movement Products, Chemical, Construction, Crane & Hoist, Crusher, Drill Rig Duty, Elevators / Escalators, Food and Beverage, Forestry, Healthcare, Irrigation Systems, Manufacturing, Marine, Material Handling, Medical Equipment, Metal Processing, Mining, Oil and Gas, Packaging, Paper Processing, Petrochemical, Pharmaceutical, Plastics, Port Machinery, Pulp and Paper, Pump, Rail Duty, Refinery & Petrochemical, Rock Crusher, Solar, Steel, Sugar & Ethanol, Textiles, Wind Energy
Applications
Conveyors, Cranes and Hoists, Elevators, Escalators, Fans, Gates, Irrigators, Machinery, Mixers, Packaging Equipment, Pools, Specialty Trucks and Vehicles, Wind Turbines, X-Ray Equipment, Airports, Boats and Yachts, Energy Installations (Deserts, Wind Farms), Foundries, Off-shore Oil Rigs, Mining Sites, Factories, Supermarkets, Refineries, Ports, Railways, Farms
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| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Worm |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|
Maintenance Tips for Prolonging the Life of a Worm Gearbox
Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:
- Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
- Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
- Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
- Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
- Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
- Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
- Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
- Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
- Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
- Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.
By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.
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.
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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