Product Description
NMRV REDUCTION WORM GEARBOX
The NMRV 075 lowering motor gearbox includes a worm gearbox with a single gear stage and an IEC asynchronous motor. The drive is optionally equipped with an output flange, a reaction rod, and double-sided shafts. Engine power is 0.25 – 4 kW.
Parts materials:
Case – aluminum, flanges – aluminum, worm – steel, worm wheel CHINAMFG – bronze.
Type of lubricant: synthetic ISO VG 320.
Weight: 9 kg.
Type designation scheme
NMRV – 075 – 40 – 22.5 – 0.75 – B1
- NMRV – worm gear motor
- 075 – size (center distance, mm)
- 40 – gear ratio
- 22.5 – output shaft rotation speed, rpm
- 0.75 – electric motor power, kW
- B1 – mounting position
NMRV 075 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 | 169 | 7.11 | 93 | 187 | 235 | 5.05 | 91 | 120 | 273 | 3.86 | 89 |
| 10 | 280 | 178 | 5.66 | 92 | 140 | 237 | 3.86 | 90 | 90 | 278 | 2.98 | 88 |
| 15 | 187 | 191 | 4.12 | 91 | 93 | 252 | 2.79 | 88 | 60 | 295 | 2.16 | 86 |
| 20 | 140 | 176 | 2.93 | 88 | 70 | 240 | 2.07 | 85 | 45 | 265 | 1.52 | 82 |
| 25 | 112 | 208 | 2.71 | 90 | 56 | 271 | 1.87 | 85 | 36 | 309 | 1.42 | 82 |
| 30 | 93 | 221 | 2.50 | 86 | 47 | 263 | 1.60 | 81 | 30 | 328 | 1.32 | 78 |
| 40 | 70 | 201 | 1.80 | 82 | 35 | 261 | 1.24 | 77 | 23 | 289 | 0.94 | 74 |
| 50 | 56 | 206 | 1.47 | 82 | 28 | 268 | 1.02 | 77 | 18 | 302 | 0.77 | 74 |
| 60 | 47 | 178 | 1.17 | 75 | 23 | 238 | 0.82 | 70 | 15 | 256 | 0.61 | 66 |
| 80 | 35 | 181 | 0.86 | 77 | 18 | 233 | 0.61 | 72 | 11 | 280 | 0.46 | 70 |
| 100 | 28 | 153 | 0.66 | 68 | 14 | 206 | 0.48 | 63 | 9 | 225 | 0.36 | 59 |
- 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 075
NMRV075 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 075 gearbox
Geared NMRV075 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 |
|---|---|
| Hardness: | Hardened |
| Installation: | Any Angle |
| Gear Shape: | Worm Gear |
| Step: | Single-Step |
| Type: | Worm and Wormwheel |
| Samples: | US$ 20/Piece 1 Piece(Min.Order) | |
|---|
| Customization: | Available | Customized Request |
|---|
Cost of an NMRV Gearbox
The cost of an NMRV gearbox can vary widely depending on factors such as type, size, quality, brand, features, customization, materials, construction, and market demand. As of my last update in September 2021, prices can range from tens of dollars for standard models to several hundred dollars or more for larger or specialized configurations. It’s important to obtain quotes from various suppliers and manufacturers for an accurate cost estimate.
Lubrication for an NMRV Gearbox
Lubrication is essential for the proper functioning and longevity of an NMRV gearbox. The type and amount of lubricant required may vary depending on the gearbox model and manufacturer. Here are the general lubrication practices:
- Recommended Lubricants: Use the lubricants specified by the gearbox manufacturer. Typically, high-quality gear oils with the appropriate viscosity and additives are recommended.
- Initial Fill: Prior to the gearbox’s first operation, ensure that it is properly filled with the recommended lubricant to the correct level. Follow the manufacturer’s guidelines for the proper quantity.
- Lubricant Change: Regularly change the lubricant according to the manufacturer’s recommended intervals. Over time, lubricants can degrade due to heat and contamination, which can affect gearbox performance.
- Temperature Considerations: Gearboxes operating in extreme temperatures may require lubricants with specific temperature ranges to ensure proper viscosity and protection.
- Checking Levels: Periodically check the lubricant level in the gearbox to ensure it is within the specified range. This can prevent damage caused by insufficient lubrication.
- Oil Analysis: Some gearbox systems benefit from regular oil analysis to monitor lubricant condition and identify potential issues before they cause significant damage.
Proper lubrication practices contribute to reduced friction, wear, and heat generation within the NMRV gearbox, leading to improved efficiency and extended lifespan.
Industries Using NMRV Gearboxes
NMRV gearboxes find widespread use in various industries due to their versatility and reliability. Some common industries include:
- Food and Beverage: NMRV gearboxes are used in conveyor systems, mixers, and packaging equipment.
- Material Handling: They are employed in conveyor belts, lifting equipment, and automated material handling systems.
- Automation and Robotics: NMRV gearboxes play a critical role in precise motion control and positioning in robotic systems.
- Textile: They are used in machinery for spinning, weaving, and fabric processing.
- Pharmaceutical: NMRV gearboxes are utilized in pill coating machines, mixers, and other pharmaceutical processing equipment.
- Agriculture: They find applications in irrigation systems, conveyor systems, and various agricultural machinery.
- Packaging: NMRV gearboxes are used in packaging machinery to ensure controlled movement and accuracy.
- Automotive: They are used in automated assembly lines and manufacturing processes in the automotive industry.
- Printing: NMRV gearboxes contribute to precise movement and synchronization in printing machinery.
- Energy: They are employed in wind turbine systems, solar tracking systems, and other renewable energy applications.
The adaptability and efficiency of NMRV gearboxes make them a preferred choice in industries that require reliable and precise power transmission solutions.
editor by CX 2024-01-09