Product Description
Top Quality Nmrv Right Angle Aluminum Body Worm Gearbox with Output Flange
Product Description
- RV – Sizes:–150
- Input Options: with input shaft, With Square flange,With Input Flange
- Input Power 0.06 to 11 kW
- RV-Size from 030 to 105 in die-cast aluminium alloy budy and over 110 in cast iron
- Ratios between 5 and 100
- Max torque 1550 N.m and admissible output radial loads max 8771 N
- Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity
- Worm wheel: Copper (KK Cu).
- Loading capacity in accordance with: ISO 9001:2015/GB/T 19001-2016
- Size 030 and over are painted with RAL 5571 blue
- Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, JWB+NMRV
- NMRV, NRV+VS,NMRV+AS,NMRV+VS,NMRV+F
- Options: torque arm, output flange, viton oil seals, low/high temperature oil, filling/drain/breather/level plug.
| 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 |
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
Scenario
Packing
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. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | B3, B6, B7, B8, V5, V6 |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| Step: | Single-Step |
| Customization: | Available | Customized Request |
|---|
Advantages of Using Worm Gear in an NMRV Gearbox
Worm gears offer several advantages when used in an NMRV gearbox:
1. High Reduction Ratio: Worm gears provide a high reduction ratio in a compact form, allowing for significant speed reduction in a single stage.
2. High Efficiency: While worm gears typically have lower mechanical efficiency compared to some other gear types, the design of the NMRV gearbox optimizes efficiency by using a bronze worm gear and a self-locking mechanism that minimizes backdriving.
3. Compact Design: Worm gears have a compact and space-efficient design, making them suitable for applications with limited installation space.
4. Smooth and Quiet Operation: The meshing of worm gears and the helical design of the worm result in relatively smooth and quiet operation.
5. Self-Locking: Worm gears inherently have a self-locking characteristic, meaning that the gear cannot easily be back-driven by the worm. This property is beneficial for applications where holding position without external locking mechanisms is essential.
6. High Torque Capacity: Worm gears can transmit high torque loads, making them suitable for applications that require high torque output.
7. Simple Lubrication: The design of the NMRV gearbox allows for efficient lubrication of the worm gear, ensuring optimal performance and longevity.
These advantages make worm gears a popular choice for NMRV gearboxes in various industrial applications, where their characteristics contribute to reliable and efficient power transmission.
Common Problems Associated with NMRV Gearboxes
NMRV (worm gear) gearboxes are reliable and durable, but like any mechanical system, they can experience certain issues over time. Here are some common problems that can be associated with NMRV gearboxes:
- Overheating: Inadequate lubrication or excessive load can lead to overheating, causing accelerated wear and potential damage to the gearbox components.
- Noise and Vibration: Unusual noises or excessive vibration during operation could indicate misalignment, worn gears, or damaged bearings.
- Leakage: Oil leaks can occur due to worn seals or damaged gaskets, leading to lubricant loss and potential contamination of the surrounding environment.
- Worn Gears: Over time, gear teeth can wear down due to friction and load. This can result in reduced efficiency, increased backlash, and compromised performance.
- Misalignment: Improper installation or mounting can lead to misalignment between the input and output shafts, causing increased friction, wear, and reduced efficiency.
- Backlash: Excessive backlash between the worm gear and the mating gear can lead to poor positioning accuracy and reduced efficiency in motion control applications.
- Poor Lubrication: Using incorrect or inadequate lubricants, or neglecting proper lubrication maintenance, can lead to increased friction, wear, and potential failure of gearbox components.
- Seal Damage: Worn or damaged seals can result in oil leaks and contamination, affecting the performance and lifespan of the gearbox.
- Shaft Wear: Over time, the input and output shafts can experience wear due to load and friction, affecting the overall operation of the gearbox.
- Corrosion: Exposure to harsh environments or corrosive substances can lead to corrosion of gearbox components, reducing their lifespan.
To prevent and address these common problems, it’s crucial to follow proper maintenance and servicing practices, use high-quality lubricants, address issues promptly, and consult professionals when needed. Regular inspections and proactive maintenance can help extend the operational lifespan and reliability of NMRV gearboxes.
Choosing the Right Size NMRV Gearbox for Your Application
Selecting the appropriate size NMRV gearbox for your application involves considering several important factors:
- Input Power: Determine the power requirement of your application, including both the input speed and the required output torque.
- Service Factor: Take into account any potential overloads or unexpected conditions that may occur during operation. Applying a service factor ensures the gearbox can handle occasional peak loads.
- Output Speed: Calculate the desired output speed of the gearbox. This is crucial for ensuring the gearbox meets the requirements of your application.
- Operating Conditions: Consider the environmental conditions in which the gearbox will operate, including temperature, humidity, and exposure to dust or chemicals.
- Mounting and Space: Evaluate the available space for mounting the gearbox and ensure it fits within the allotted dimensions.
- Shaft Configuration: Determine whether the gearbox requires a specific shaft configuration or if additional components such as couplings are needed.
- Application Type: Consider the type of application the gearbox will be used in, such as conveyor systems, agitators, mixers, or other specific applications.
- Load Characteristics: Analyze the load characteristics, including the type of load (constant, intermittent, shock), to ensure the gearbox can handle the load variations.
It’s essential to work closely with gearbox manufacturers or distributors who can provide technical support and assist in selecting the right size NMRV gearbox based on your specific application requirements.
editor by CX 2024-02-17