Product Description
GEXIN NMRV SERIES REDUCER/GEAR BOX
Gexin Electromechanical Co.,Ltd.is a company specializing in the production and processing of asynchronous motors.
Its products mainly include Y, Y2 and IE2 series three phase Asynchronous motors, MS aluminum shell motors, YD series multi-speed motors, YCT series electromagnetic variable-speed motors, YVP variable-frequency and variable speed motors, YEJ electromagnetic braking three-phase asynchronous motors, YC/YCL and YL single-phase series motors, JY single-phase asynchronous motors and MY/ML aluminum shell single-phase asynchronous motors. It has a strong R&D team, and the motor produced by the company is brand new, with national standard stator and rotor and all copper. Product 3c certification, strict technology, each processed part has passed the incoming QC, and the manufacturing process inspection. With rich production experience and advanced production equipment, the company has established long-term cooperative relations with many enterprises with strong strength, reasonable price and high-quality service. Business is sincere, and being the first person in business is our aim.
Product Description
| Type | Worm Gear Speed Reducer/ gearbox |
| Model | WMRV 25/30/40/50/63/75/90/110/130/150/185 |
| Ratio | 7.5,10,15,20,25,30,40,50,60,80,100. |
| Color | Blue(RAL5571)/Silver grey (K9149) Or On Customer Request |
| Material | Housing: Aluminum alloy(size 25~90) / Cast iron(size 110~185) |
| Worm wheel: Aluminum Bronze or Tin Bronze | |
| Worm shaft: 20CrMn Ti | |
| Output Shaft: steel-45# | |
| Packing | Carton, Honey Comb Carton, Wooden Case with wooden pallet |
| Warranty | 1 Year |
| Input Power | 0.09kw,0.18kw,1.1KW,1.5KW,2.2KW,3KW,4KW,5.5KW,7.5KW,11Kw and so on. |
| Usages | Industrial Machine: Food Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wood working, Glass. |
| IEC Flange | IEC standard flange or on customer request |
| Lubricant | Synthetic oil or worm gear oil |
| Protection Class | IP55 |
Exploded View
Product Parameters
| Motor Flange | The Hole Diameter of Shaft | ||||||||||||||||
| PAM IEC | N | M | P | E | F | Transmission Ratio | |||||||||||
| 7.5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 60 | 80 | 100 | |||||||
| NMRV571 | 56B14 | 50 | 65 | 80 | 3 | 10.4 | 9 | – | 9 | – | |||||||
| NMRV030 | 63B5 | 95 | 115 | 140 | 4 | 12.8 | 11 | – | |||||||||
| 63B14 | 60 | 75 | 90 | ||||||||||||||
| 56B5 | 80 | 100 | 120 | 3 | 10.4 | 9 | – | ||||||||||
| 56B14 | 50 | 65 | 80 | ||||||||||||||
| NMRV040 | 71B5 | 110 | 130 | 160 | 5 | 16.3 | 14 | – | |||||||||
| 71B14 | 70 | 85 | 105 | ||||||||||||||
| 63B5 | 95 | 115 | 140 | 4 | 12.8 | 11 | |||||||||||
| 63B14 | 60 | 75 | 90 | ||||||||||||||
| 56B5 | 80 | 100 | 120 | 3 | 10.4 | – | 9 | ||||||||||
| NMRV050 | 80B5 | 130 | 165 | 200 | 6 | 21.8 | 19 | – | |||||||||
| 80B14 | 80 | 100 | 120 | ||||||||||||||
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | 14 | – | ||||||||||
| 71B14 | 70 | 85 | 105 | ||||||||||||||
| 63B5 | 95 | 115 | 140 | 4 | 12.8 | – | 11 | ||||||||||
| NMRV063 | 90B5 | 130 | 165 | 200 | 8 | 27.3 | 24 | – | |||||||||
| 90B14 | 95 | 115 | 140 | ||||||||||||||
| 80B5 | 130 | 165 | 200 | 6 | 21.8 | 19 | – | ||||||||||
| 80B14 | 80 | 100 | 120 | ||||||||||||||
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | – | 14 | ||||||||||
| 71B14 | 70 | 85 | 105 | ||||||||||||||
| NMRV075 | 100/112B5 | 180 | 215 | 250 | 8 | 31.3 | 28 | – | |||||||||
| 100/112B14 | 110 | 130 | 160 | ||||||||||||||
| 90B5 | 130 | 165 | 200 | 8 | 27.3 | 24 | – | ||||||||||
| 90B14 | 95 | 115 | 140 | ||||||||||||||
| 80B5 | 130 | 165 | 200 | 6 | 21.8 | – | 19 | ||||||||||
| 80B14 | 80 | 100 | 120 | ||||||||||||||
| NMRV090 | 100/112B5 | 180 | 215 | 250 | 8 | 31.3 | 28 | – | |||||||||
| 100/112B14 | 110 | 130 | 160 | ||||||||||||||
| 90B5 | 130 | 165 | 200 | 8 | 27.3 | 24 | – | ||||||||||
| 90B14 | 95 | 115 | 140 | ||||||||||||||
| 80B5 | 130 | 165 | 200 | 6 | 21.8 | – | 19 | ||||||||||
| 80B14 | 80 | 100 | 120 | ||||||||||||||
| NMRV110 | 132B5 | 230 | 265 | 300 | 10 | 41.1 | 38 | – | |||||||||
| 100/112B5 | 180 | 215 | 250 | 8 | 31.3 | 28 | – | ||||||||||
| 90B5 | 130 | 165 | 200 | 8 | 27.3 | – | 24 | ||||||||||
| NMRV130 | 132B5 | 230 | 265 | 300 | 10 | 41.1 | 38 | – | |||||||||
| 100/112B5 | 180 | 215 | 250 | 8 | 31.3 | – | 28 | ||||||||||
| NMRV150 | 160B5 | 250 | 300 | 350 | 12 | 45.3 | 42 | ||||||||||
| 132B5 | 230 | 265 | 300 | 10 | 41.3 | – | 38 | – | |||||||||
| 100/112B5 | 180 | 215 | 250 | 8 | 31.3 | – | 28 | ||||||||||
Installation Instructions
Detailed Photos
Advantage
* 100% Copper wire,100% Power Output;
* 100% test after each process and final test before packing.
* 20Years Manufacture Experience;
* Single Phase Motors are with centrifugal switch ,which are suitable for high start torque application like air compressor,fans,pumps and so on;
* Energy saving;
* Superior Life;
* Quiet Operation;
* Easy maintance;
* Be made of selected quality materals.latest design in entirety;
*OEM Service
*CE/ISO Approved
*20-30days lead time
Quality Assurance:
1 year quality warranty and fast after-sales service.
Gexin Electromechanical Co., Ltd.,
We have 150 employees, an annual output value of $1800w and an area of 26000sqm.
Foreign Exhibition
FAQ
1: Are you a factory or just a trading company?
A1: Manufacturer,and we focus on the development and production of electric motors for more than 20 years.
Q2: Is customized service available?
A2: Of course, OEM & ODM both are available.
Q3: How can I get the quotation?
A3: Leave us message with your purchase requirements and we will reply you within 1 hour on working time. And you may contact us directly by Trade Manager.
Q4:Can I buy 1 as sample?
A4: Yes, of course.
Q5: How about your quality control?
A5: Our professional QC will check the quality during the production and do the quality test before shipment.
Q6: What is your payment term?
A6: 30% T/T in advance, 70% balance when receiving B/L copy Or 100% irrevocable L/C at sight.
Q7: What is your lead time?
A7: About 20-30 days after receiving advance deposit or original L/C.
Q8: What certificates do you have?
A8: We have CE, ISO. And we can apply for specific certificate for different country such as SONCAP for Nigeria, COI for Iran, SASO for Saudi Arabia, etc.
Q9: What warranty do you provide?
A9: One year, during the guarantee period, we will supply freely of the easy damaged parts for the possible problems except for the incorrect operation. After expiration, we supply cost spare parts for alternator maintenance.
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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 Gearboxes in Conveyor Systems: Benefits and Considerations
Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:
- Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
- High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
- Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
- Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
- Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.
However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:
- Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
- Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
- Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
- Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.
Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.

What Industries Commonly Use Worm Reducers?
Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:
- Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
- Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
- Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
- Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
- Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
- Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
- Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
- Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
- Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
- Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.
Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.


editor by lmc 2024-11-29