Product Description
Worm Gear Speed Reducer Unit
Input Configurations | Double or single input shaft (NRV) |
PAM / IEC motor input shaft with circle or square flange (NMRV) | |
Output Configurations
| Double or single output shaft |
Output flange |
Main Feature
The gearbox can rotate in both directions operate and contains 1 oil filling at delivery. you will benefit from its high quality and a short delivery time.
Specification
Model | Motor Input Flange (circle) | Transmission Ratio | Power (kw) | Ratio (i) | Nominal Torque (Nm) | |||||||||||||||
PAM / IEC | Internal Dia. | Dis. Between Diagonal Screw Holes | External Dia. | Width of Key Slot | 5 | 7.5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 60 | 80 | 100 | ||||
N | M | P | E | Diamter of Input Shaft | ||||||||||||||||
NMRV25 | 56B14 | 50 | 65 | 80 | 3 | 9 | – | 9 | – | 0.06 | 7.5-60 | 2.6-14 | ||||||||
NMRV30 | 63B5 | 95 | 115 | 140 | 4 | 11 | – | 0.06-0.18 | 7.5-80 | 2.6-14 | ||||||||||
63B14 | 60 | 75 | 90 | |||||||||||||||||
56B5 | 80 | 100 | 120 | 3 | 9 | – | ||||||||||||||
56B14 | 50 | 65 | 80 | |||||||||||||||||
NMRV40 | 71B5 | 110 | 130 | 160 | 5 | 14 | – | 0.09-0.37 | 7.5-100 | 11-53 | ||||||||||
71B14 | 70 | 85 | 105 | |||||||||||||||||
63B5 | 95 | 115 | 140 | 4 | 11 | |||||||||||||||
63B14 | 60 | 75 | 90 | |||||||||||||||||
56B5 | 80 | 100 | 120 | 3 | – | 9 | ||||||||||||||
NMRV50 | 80B5 | 130 | 165 | 200 | 6 | 19 | – | 0.12-0.75 | 7.5-100 | 21-89 | ||||||||||
80B14 | 80 | 100 | 120 | |||||||||||||||||
71B5 | 110 | 130 | 160 | 5 | 14 | – | ||||||||||||||
71B14 | 70 | 85 | 105 | |||||||||||||||||
63B5 | 95 | 115 | 140 | 4 | – | 11 | ||||||||||||||
NMRV63 | 90B5 | 130 | 165 | 200 | 8 | 24 | – | 0.25-1.5 | 7.5-100 | 56-166 | ||||||||||
90B14 | 95 | 115 | 140 | |||||||||||||||||
80B5 | 130 | 165 | 200 | 6 | 19 | – | ||||||||||||||
80B14 | 80 | 100 | 120 | |||||||||||||||||
71B5 | 110 | 130 | 160 | 5 | – | 14 | ||||||||||||||
71B14 | 70 | 85 | 105 | |||||||||||||||||
NMRV75 | 100/112B5 | 180 | 215 | 250 | 8 | – | 28 | – | 0.55-4 | 7.5-100 | 90-269 | |||||||||
100/112B14 | 110 | 130 | 160 | |||||||||||||||||
90B5 | 130 | 165 | 200 | 8 | 24 | – | ||||||||||||||
90B14 | 95 | 115 | 140 | |||||||||||||||||
80B5 | 130 | 165 | 200 | 6 | – | 19 | ||||||||||||||
80B14 | 80 | 100 | 120 | |||||||||||||||||
71B5 | 110 | 130 | 160 | – | – | 14 | ||||||||||||||
NMRV90 | 100/112B5 | 180 | 215 | 250 | 8 | – | 28 | – | 0.55-4 | 7.5-100 | 101-458 | |||||||||
100/112B14 | 110 | 130 | 160 | |||||||||||||||||
90B5 | 130 | 165 | 200 | 8 | 24 | – | ||||||||||||||
90B14 | 95 | 115 | 140 | |||||||||||||||||
80B5 | 130 | 165 | 200 | 6 | – | 19 | ||||||||||||||
80B14 | 80 | 100 | 120 | |||||||||||||||||
NMRV110 | 132B5 | 230 | 265 | 300 | 10 | – | 38 | – | 1.1-7.5 | 7.5-100 | 242-660 | |||||||||
132B14 | 130 | 165 | 200 | – | ||||||||||||||||
100/112B5 | 180 | 215 | 250 | 8 | 28 | – | ||||||||||||||
90B5 | 130 | 165 | 200 | – | 24 | |||||||||||||||
90B14 | 95 | 115 | 140 | – | ||||||||||||||||
80B5 | 130 | 165 | 200 | – | 19 | |||||||||||||||
NMRV130 | 132B5 | 230 | 265 | 300 | 10 | – | 38 | – | 2.2-7.5 | 7.5-100 | 333-1596 | |||||||||
132B14 | 130 | 165 | 200 | – | ||||||||||||||||
100/112B5 | 180 | 215 | 250 | 8 | – | 28 | ||||||||||||||
90B5 | 130 | 165 | 200 | – | – | 24 | ||||||||||||||
90B14 | 95 | 115 | 140 | |||||||||||||||||
NMRV150 | 160B5 | 250 | 300 | 350 | 12 | – | 42 | – | 2.2-15 | 7.5-100 | 570-1760 | |||||||||
132B5 | 230 | 265 | 300 | 10 | – | 38 | – | |||||||||||||
132B14 | 130 | 165 | 200 | – | ||||||||||||||||
100/112B5 | 180 | 215 | 250 | 8 | – | 28 | ||||||||||||||
Company Profile
Packing
Scenarioes
FAQ
Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc.
Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection.
Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice.
Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on.
Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.
Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.
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| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Foot/Flange Mounted |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| 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.
How to Calculate the Input and Output Speeds of a Worm Gearbox?
Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:
- Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
- Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:
N2 = N1 / (Z1 * i)
Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)
It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.
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 CX 2024-02-09