Product Description
NMRV REDUCTION WORM GEARBOX
The NMRV 063 motor gearbox is made on the basis of the NRV 063 worm gearbox. A complete electric motor with a power of up to 2.2 kW develops a rotational speed of 900 – 2800 rpm. As standard, the gearmotor is supplied with a hollow output shaft. Installation of double-sided input and output shafts is possible.
Parts materials:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze.
Type of lubricant: synthetic ISO VG 320.
Weight: 6.2 kg.
Type designation scheme
NMRV – 063 – 7.5 – 186.7 – 1.1 – B3
- NMRV – worm gear motor
- 063 – size (center distance, mm)
- 7.5 – gear ratio
- 186.7 – output shaft rotation speed, rpm
- 1,1 – electric motor power, kW
- B3 – mounting position
NMRV 063 gearbox performance
i | n 1 = 2800 rpm | n 1 = 1400 rpm | n 1 = 900, rpm | |||||||||
n 2 , rpm |
T 2M , N * m |
P kw |
RD % |
n 2 , rpm |
T 2M , N * m |
P kw |
RD % |
n 2 , rpm |
T 2M , N * m |
P kw |
RD % |
|
7.5 | 373 | 92 | 4.10 | 88 | 187 | 130 | 2.90 | 88 | 120 | 154 | 2.20 | 88 |
10 | 280 | 95 | 3.20 | 87 | 140 | 131 | 2.20 | 87 | 90 | 157 | 1.70 | 87 |
15 | 187 | 97 | 2.30 | 83 | 93 | 136 | 1.60 | 83 | 60 | 159 | 1.20 | 83 |
20 | 140 | 106 | 1.90 | 82 | 70 | 145 | 1.30 | 82 | 45 | 172 | 0.99 | 82 |
25 | 112 | 100 | 1.50 | 78 | 56 | 133 | 1.00 | 78 | 36 | 159 | 0.77 | 78 |
30 | 93 | 99 | 1.30 | 74 | 47 | 120 | 0.80 | 74 | 30 | 165 | 0.70 | 74 |
40 | 70 | 118 | 1.20 | 72 | 35 | 155 | 0.79 | 72 | 23 | 182 | 0.61 | 72 |
50 | 56 | 96 | 0.85 | 66 | 28 | 131 | 0.58 | 66 | 18 | 158 | 0.45 | 66 |
60 | 47 | 92 | 0.79 | 57 | 23 | 126 | 0.54 | 57 | 15 | 152 | 0.42 | 57 |
80 | 35 | 81 | 0.53 | 56 | 18 | 110 | 0.37 | 56 | 11 | 141 | 0.29 | 56 |
100 | 28 | 69 | 0.41 | 49 | 14 | 94 | 0.28 | 49 | 9 | 114 | 0.22 | 49 |
- n1 – rotational speed el. engine;
- n2 – revolutions on the output shaft;
- T 2M – torque on the output shaft;
- P is the maximum allowable engine power;
- RD – efficiency
GEARBOX FEATURE
1.Good quality,long life time,low noise. |
2.Compact,convenient. |
3.High efficiency,big torque. |
Overall and mounting dimensions NMRV 063
NMRV063 gear motor has a wide range of gear ratios.
Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .
Output flange to NMRV 063 gearbox
Geared NMRV063 can be supplied with unilateral or bilateral output shaft.
The gearbox comes standard with a hollow output shaft
A torque arm is an additional option to the gearbox.
Model | NMRV SERIES |
Single Stage | RV25-RV150 |
Ratio | 7.5-100 |
Input Power | 0.06KW-15KW |
Output Speed | 14-280rpm |
Output Torque | 5-1800Nm |
Core parts | worm wheel,worm shaft |
Core parts material | worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external |
Lubrication | RV30-90:synthetic oil, RV110-150:GN460-W mineral oil |
Bearings | C&U |
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Application: | Motor, Motorcycle, Machinery, Agricultural Machinery, Industry |
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Hardness: | Hardened |
Installation: | Any Angle |
Gear Shape: | Worm Gear |
Step: | Single-Step |
Type: | Worm and Wormwheel |
Samples: |
US$ 20/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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Lubrication Practices for Extending the Lifespan of Agricultural Gearboxes
Proper lubrication is essential for ensuring the longevity and optimal performance of agricultural gearboxes. Here are some essential lubrication practices that can help extend the lifespan of these gearboxes:
- Choose the Right Lubricant: Select a high-quality lubricant specifically designed for gearboxes and agricultural machinery. Consider factors such as viscosity, temperature range, and load-bearing capacity to ensure compatibility with the gearbox’s operating conditions.
- Regular Inspection: Perform regular visual inspections of the gearbox and lubricant to check for signs of contamination, wear, or inadequate lubrication. Address any issues promptly to prevent further damage.
- Cleanliness: Maintain a clean environment around the gearbox to minimize the risk of dirt, debris, and moisture entering the gearbox housing. Contaminants can compromise the lubricant’s effectiveness and accelerate wear.
- Lubricant Level: Monitor and maintain the proper lubricant level in the gearbox. Insufficient lubrication can lead to increased friction and heat, causing premature wear and potential damage to gears and bearings.
- Replace Lubricant: Follow the manufacturer’s recommendations for lubricant change intervals. Over time, lubricants can degrade, lose their properties, and become contaminated. Regularly replacing the lubricant helps ensure optimal performance.
- Use Lubrication Schedule: Create a lubrication schedule based on the gearbox’s usage and operating conditions. Stick to the recommended intervals for applying or changing lubricant to prevent under-lubrication or over-lubrication.
- Appropriate Lubrication Method: Follow the manufacturer’s guidelines for the correct lubrication method, whether it’s through oil bath, grease, or automatic lubrication systems. Proper application ensures even distribution of lubricant across gear surfaces.
- Temperature Considerations: Be aware of temperature variations in your operating environment. Extreme temperatures can affect lubricant viscosity and performance. Choose a lubricant that can handle the temperature range of your equipment.
- Expert Advice: Consult the gearbox manufacturer or a lubrication specialist to determine the best lubrication practices for your specific agricultural gearbox model and application.
By adhering to these lubrication practices, farmers can maximize the lifespan of their agricultural gearboxes, minimize downtime, and ensure efficient and reliable operation of their equipment.
Common Signs of Gearbox Wear and Their Solutions
Gearboxes, like any mechanical components, can experience wear over time due to factors such as friction, load, and operating conditions. Recognizing the common signs of gearbox wear is essential for timely maintenance and avoiding potential breakdowns. Here are some signs to watch out for and the solutions to address them:
- Unusual Noises: Grinding, clicking, or whining noises during operation can indicate worn gears or bearings. Inspect the gearbox for damaged teeth or inadequate lubrication. Replace damaged components and ensure proper lubrication.
- Increased Vibration: Excessive vibration suggests misalignment or imbalance within the gearbox. Check for proper alignment and balance the components if necessary. Also, inspect for worn or damaged shafts or bearings.
- Leakage: Oil or lubricant leaks may indicate worn seals or gaskets. Replace seals and gaskets to prevent leakage and ensure adequate lubrication.
- Slipping Gears: Gears slipping out of engagement or difficulty shifting can point to worn or damaged gear teeth. Inspect gears for signs of wear or chipping, and replace as needed.
- Temperature Increase: Abnormal heat generation can result from increased friction due to worn parts. Check lubrication levels and quality, and replace worn bearings or gears causing excess friction.
- Decreased Performance: Reduced power transmission or output efficiency can indicate wear in the gearbox. Inspect gears, bearings, and other components for signs of wear and replace as necessary.
- Excessive Play: Excessive play or backlash in gears can indicate worn gear teeth or bearings. Inspect components for wear, adjust backlash, and replace worn parts.
Addressing gearbox wear requires routine maintenance, including proper lubrication, alignment checks, and regular inspections. Timely replacement of worn or damaged components can extend the gearbox’s lifespan and maintain optimal performance in various applications.
Benefits of Using High-Quality Gearboxes in Agricultural Machinery
Utilizing high-quality gearboxes in agricultural machinery offers several advantages that contribute to enhanced performance, durability, and overall operational efficiency. Here are the key benefits:
- Reliability and Durability: High-quality gearboxes are built to withstand the demanding conditions of agricultural operations. They are constructed using durable materials, precise manufacturing techniques, and stringent quality control measures, ensuring a longer lifespan and reduced downtime due to breakdowns.
- Optimal Power Transmission: High-quality gearboxes facilitate efficient power transmission from the tractor’s engine to various implements. They minimize power losses through well-designed gear profiles, accurate alignments, and minimal friction, allowing for more effective utilization of available power.
- Smooth Operation: Gearboxes manufactured to high standards provide smooth and consistent operation. They reduce vibrations, noise, and unnecessary wear, creating a comfortable working environment for the operator and reducing stress on the machinery.
- Precision and Accuracy: Quality gearboxes offer precise control over speed, torque, and direction changes. This precision ensures accurate implementation of farming tasks, such as seeding, planting, and harvesting, leading to better yield outcomes.
- Increased Efficiency: High-quality gearboxes minimize energy losses due to friction and inefficient gear meshing. This improved efficiency results in better fuel economy and optimized power utilization, reducing operating costs for the farmer.
- Compatibility and Adaptability: Top-tier gearboxes are designed to be compatible with a range of agricultural implements and machinery. Their adaptability allows farmers to switch between different tasks without the need for frequent adjustments or component changes.
- Reduced Maintenance Costs: Quality gearboxes require less frequent maintenance and repair. Their robust construction and precision engineering result in fewer breakdowns and extended maintenance intervals, saving both time and money.
- Enhanced Safety: Reliable gearboxes contribute to safer operations by preventing sudden failures that could lead to accidents. The smooth operation and predictable performance of high-quality gearboxes reduce the risk of mishaps during agricultural tasks.
Overall, investing in high-quality gearboxes for agricultural machinery ensures improved reliability, smoother operation, higher precision, increased efficiency, and reduced maintenance costs. These benefits ultimately contribute to enhanced productivity and better outcomes for farmers and agricultural operations.
editor by CX 2024-02-15