Product Description
RV/NRV/NMRV 90 degree right angle worm gearbox gear box big size
Product Description
1. Light in weight and non-rusting
2. Smooth in running, can work a long time in dreadful conditions
3. High efficiency, low noise
4. Good-looking in appearance, durable in service life, and small in volume
Detailed Photos
Product Parameters
| Model | 571 ~ 150 |
| Power | 0.06kw ~ 15kw |
| Input speed | 750rpm ~ 2000rpm |
| Reduction ratio | 1/5 ~ 1/100 |
| Input motor | AC (1 phase or 3 phase) / DC / BLDC / Stepper / Servo |
| Output shaft | Solid shaft / Hollow shaft / Output flange… |
| Dimension standard | Metric size / Inch size |
| Material of housing | die-cast aluminum / Cast iron / Stainless steel |
| Accessories | Flange / CHINAMFG shaft / Torque arm / Cover … |
Our Advantages
Company Profile
FAQ
Q: Can you make the gear unit with customization?
A: Yes, we can customize per your request, like flange, shaft, configuration, material, etc.
Q: Do you provide samples?
A: Yes. The sample is available for testing.
Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.
Q: What’s your lead time?
A: Standard products need s, a bit longer for customized products.
Q: Do you provide technical support?
A: Yes. Our company has a design and development team, we can provide technical support if you
need.
Q: How to ship to us?
A: It is available by air, by sea, or by train.
Q: How to pay the money?
A: T/T and L/C are preferred, with a different currency, including USD, EUR, RMB, etc.
Q: How can I know if the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.
Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.
Q: How shall we contact you?
A: You can send an inquiry directly, and we will respond within 24 hours.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machinery |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Right Angle |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
Using an NMRV Gearbox
An NMRV gearbox, also known as a worm gear reducer, is commonly used for various applications that require speed reduction, torque multiplication, and smooth power transmission. This type of gearbox offers several benefits:
- Compact Design: NMRV gearboxes have a compact and space-saving design, making them suitable for applications with limited installation space.
- High Gear Ratio: Worm gear reducers can achieve high gear ratios in a single stage, making them ideal for applications where a significant reduction in speed is needed.
- Quiet Operation: The meshing of the worm gear and worm wheel results in low noise levels during operation.
- Simple Operation: NMRV gearboxes have a simple design with fewer components, leading to ease of operation and maintenance.
- Reliable and Durable: Worm gear reducers are known for their reliability and durability, making them suitable for continuous and heavy-duty applications.
Common applications of NMRV gearboxes include:
- Conveyor systems
- Material handling equipment
- Industrial machinery
- Automated systems
- Food processing equipment
- Packaging machinery
Due to their versatility and ability to provide precise speed reduction, NMRV gearboxes are widely used in various industries to optimize the performance of different types of machinery and equipment.
editor by CX 2024-03-29
China wholesaler Nmrv Transmission Worm Gear Unit Gearbox for Automatic Production Lines comer gearbox
Product Description
PROFESSIONAL MANUFACTURE
— SINCE 1995
NMRV Hollow shaft Motor Drive Gear Reducer Transmission Worm Gearbox
Chinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy, light
industry,environmental protection, paper making, printing, lifting transport, food industry and so on.
Main Series Product: R series helical gear motor reducer, K series spiral bevel gear reducer, NGW, P series planetary gear reducer, H B series helical gearbox, Z (ZDY, ZLY, ZSY, and ZFY) serial hard tooth surface cylindrical gearbox reducer, D (DBY and DCY) serial hard tooth surface cone gear reducer, cycloidal speed reducer, etc. Meanwhile, map sample processing business can be undertaken.
Product Description
It realized serialization and modularization with compact structure and wide range of transmission ratio.
The transmission efficiency reach up to 96%.
The gear processed by Carburizing, Nitriding & Grinding.
High efficiency, superior performance with less energy consumption High precision gear, steady transmission, low noise, large load capacity, long service life.
Support various of installation method.
Product Parameters
|
Size |
NMRV25 |
NMRV30 |
NMRV40 |
NMRV50 |
NMRV63 |
NMRV75 |
NMRV90 |
NMRV110 |
NMRV130 |
|
Flange Type |
56B14 |
63B5 |
71B5 |
80B5 |
90B35 |
100/112B35 |
100/112B35 |
132B35 |
132B35 |
|
|
63B14 |
63B5 |
71B5 |
80B5 |
90B35 |
90B35 |
100/112B35 |
100/112B35 |
|
|
|
170 |
|
63B5 |
71B5 |
80B5 |
80B5 |
90B35 |
90B35 |
Model selection for washing machine Gear Box Transmission:
Closely using the ideal reduction ratio.
Reduction ratio = servo motor speed / reducer output shaft speed
Torque calculation: Torque calculation is very important for the life of reducer, and pay attention to whether the maximum torque value (TP) of acceleration exceeds the maximum load torque of the reducer.
The applicable power is usually the applicable power of the servo models on the market, the applicability of the reducer is very high, the working coefficient can be maintained above 1.2, but the choice can also be based on their own needs to decide. industrial helical gearbox.
Detailed Photos
Chinese Speed Reducer/industrial helical gearbox is a mechanical transmission in many fields of the national economy. The product categories covered by the industry include all kinds of gear reducer, planetary gear reducer and worm reducer, as well as various special transmission devices such as speed increasing device, speed control Devices, including various types of flexible transmission devices, such as compound transmission. Products and services in the field of metallurgy, nonferrous metals, coal, building materials, ships, water conservancy, electricity, construction machinery and petrochemical industries.
In all fields of national economy and national defense industry, gearbox products have a wide range of applications. Food light industry, electric machinery, construction machinery, metallurgy machinery, cement machinery, environmental protection machinery, electronic appliances, road construction machinery, water conservancy machinery, chemical machinery, mining machinery, conveyor machinery, building materials machinery, rubber machinery, petroleum machinery and other industries have strong demand of Reducer products.
Working principle of gear reducer :
When the output speed of the motor of the gear reducer is input from the driving shaft, the small gear of the reducer will move. The large gear is linked with the small gear, so the movement of the small gear will drive the movement of the large gear. The number of teeth is more than the number of teeth on the pinion, so the speed of the big gear will be slower than that of the pinion, and then output through the output shaft of the big gear, thus playing the role of output deceleration.
Packaging & Shipping
Application
| Driven machines | |||
| Waste water treatment | Thickeners,filter presses,flocculation apparata,aerators,raking equipment,combined longitudinal and rotary rakes,pre-thickeners,screw pumps,water turbines,centrifugal pumps | Dredgers | Bucket conveyors, dumping devices, carterpillar travelling gears, bucket wheel excavators as pick up, bucket wheel excavator for primitive material, cutter head, traversing gears |
| Chemical industry | Plate bending machines, extruders, dough mills, rubbers calenders, cooling drums, mixers for uniform media, agitators for media with uniform density, toasters, centrifuges | Metal working mills | plate tilters, ingot pushers, winding machines, cooling bed transfer frames, roller straigheners, table continuous intermittent, roller tables reversing tube mills, shears continuous, casting drivers, reversing CHINAMFG mills |
| Metal working mills | Reversing slabbing mills. reversing wire mills, reversing sheet mills, reversing plate mill, roll adjustment drives | Conveyors | Bucket conveyors, hauling winches, hoists, belt conveyors, good lifts, passenger lifts, apron conveyors, escalators, rail travlling gears |
| Frequency converters | Reciprocating compressors | ||
| Cranes | Slewing gears, luffing gears, travelling gears, hoisting gear, derricking jib cranes | Cooling towers | Cooling tower fans, blowers axial and radial |
| Cane sugar production | Cane knives, cane mills | Beet sugar production | Beet cossettes macerators, extraction plants, mechanical refrigerators, juice boilers, sugar beet washing machines, sugar beet cutter |
| Paper machines | Pulper drives | Cableways | Material ropeways, continuous ropeway |
| Cement industry | Concrete mixer, breaker, rotary kilns, tube mills, separators, roll crushers | ||
Company Profile
Established in 1995 , HangZhou Boji Machinery is a professional manufacturer and exporter that is concerned with the design, development and production of Gearbox Speed Reducer. We are located in HangZhou of ZheJiang Province, with convenient transportation access. With our own brand “TianQi”, all of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our company possesses complete machining center, lathe, gear shaping machine, gear milling machine, gear grinding machine and assembling lines. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.
Besides, In 2005,we attained ISO9001 certification. As a result of our high quality products and outstanding customer service, we have gained a global sales network CHINAMFG South America, Saudi Arabia, Vietnam, Pakistan, Philippines, South Africa and other countries and regions.
With rich export experience, high quality products, competitive prices, good service and in-time delivery, we certain that we can meet all of your requirement and exceed your expectations. Our feature is bright with new cooperative relationships with companies from all over the world. We look CHINAMFG to speaking with you to future discuss how we can be of service to you.
FAQ
1. Who are we?
We are the Factory, with over 25 years of production experience, based in ZheJiang , China, start from 1995,sell to Domestic Market(50.00%),Mid East(10.00%),Southeast Asia(10.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),North America(3.00%),Africa(2.00%),Southern Europe(2.00%),South Asia(2.00%),Central America(1.00%).
2. Can you customize according to our requirements?
Yes, we can design nonstandard products according to customer’s drawing and sample.
3.What can you buy from us?
speed reducer,gearbox,gear motor,pump,crusher
4. Why should you buy from us not from other suppliers?
Founded in 1995, with over 20 years of production experience and credibility. With professional engineer team, advanced technology production and skilled workers.Specialized in the production of reducer. Map sample processing business can be undertaken.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Manufacturing Plant |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Transmission |
| Layout: | Worm Gear |
| Samples: |
US$ 180/Piece
1 Piece(Min.Order) | Order Sample Nmrv Worm gear reducer Reduction Gearbox
|
|---|
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Using NMRV Gearboxes in High-Load Applications
NMRV gearboxes can be used in moderate to high-load applications, but their load capacity is generally limited compared to some other gearbox types. They are best suited for applications with light to moderate loads, such as conveyor systems, packaging equipment, and small machinery. It’s important to consider the specific load requirements and consult with gearbox manufacturers or engineers to ensure the chosen NMRV gearbox can handle the intended application’s load demands.
Design Principles of an NMRV Gearbox
The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:
- Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
- Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
- Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
- Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
- Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
- Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
- Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
- Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
- Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.
The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.
NMRV Gearbox Ratios
NMRV gearboxes are available in a variety of gear ratios to suit different applications and torque requirements. The gear ratio determines the relationship between the input and output speeds of the gearbox. Commonly available ratios include:
- 5:1: This ratio provides higher output torque at a slower output speed compared to the input speed.
- 7.5:1: This ratio offers a balance between torque and speed.
- 10:1: With this ratio, the output speed is further reduced while increasing torque output.
- 15:1: This ratio is suitable for applications requiring higher torque output at the expense of speed.
- 20:1: This ratio maximizes torque output while significantly reducing output speed.
- 25:1: It provides even higher torque output at a further reduced output speed.
- 30:1: This ratio is ideal for applications demanding maximum torque at minimum output speed.
- 40:1 and higher: These ratios are used in applications with very high torque requirements and low output speed.
The choice of gearbox ratio depends on the specific application, desired output speed, and required torque. It’s important to select the right ratio to ensure optimal performance and efficiency in your machinery.
editor by CX 2024-03-29
China wholesaler Nmrv 2.2kw China Speed Reducer Variator Gearbox with high quality
Product Description
JWB Series Speed Variator
1. Features:
JWB-X type
- Sizes: ≥04
- Power up to 1.5 kW or more
- Cases in RAL 5571 blue cast iron
- Shafts: case hardened and tempered steel.
- Internal components: heat-treated steel
- Output speed with 4 pole(1400r/min) motors: 2-10r/min;4.7-23.5r/min;15-75r/min;20-100r/min, 28-140r/min, 30-150r/min;40-200r/min;60-300r/min;80-400r/min;100-500r/min;190-950r/min.
- Output Torque value max 1002Nm
- Silent, vibration-free running
- Bidirectional rotation
- Control handwheel positionable on either side
- Slipping speed to max load at 5%
- Regulation sensibility: 0,5 rpm
- Painted with blue epoxy-polyester powder
JWB-X B type
- Sizes:01,02,03 and 04
- Power up to 1.5 kW or less
- Cases in die-cast aluminium alloy
- Shafts: case hardened and tempered steel.
- Internal components: heat-treated steel
- Output speed with 4 pole(1400r/min) motors: 2r/min-20r/min;4.7r/min-23.5r/min;6.5-32.5r/min, 8-40r/min, 9-45r/min, 13-65r/min, 15r/min-75r/min;18-90r/min, 25-125r/min, 28r/min-140r/min;40r/min-200r/min;60r/min-300r/min;80r/min-400r/min;100r/min-500r/min;190r/min-950r/min.
- Output Torque value max 795 Nm
- Silent, vibration-free running
- Bidirectional rotation
- Control hand wheel positionable on either side
- Slipping speed to max load at 5%
- Regulation sensibility: 0,5 rpm
- Painted with blue epoxy-polyester powder
2. Technical parameters
| Type | Output Torque | Output Shaft Dia. | Output Speed Range | 2rpm-950rpm | |
| SWB01 | 2.6-1.6N.m | φ11 | Applicable Motor Power | 0.18kW-7.5kW | |
| SWB02 | 258-1.8N.m | φ14,φ24,φ28,φ32 | |||
| SWB03 | 426-4N.m | φ24,φ28,φ38 | Input Options | With Inline AC Motor | |
| SWB04 | 795-8N.m | φ28,φ38,φ42 | With IEC Motor | ||
| SWB05 | 535-16N.m | φ38,φ48,φ55 | With Input Shaft | ||
| SWB06 | 1002-40N.m | φ42,φ55,φ70 | With Input Flange | ||
About Us
ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
CHINAMFG have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.
Our Team
Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value
3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective
measures to prevent recurrence.
4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.
5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of
customer expectations and needs.
6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the
product is a product inspection to determine the qualified products.
7. Certification.
Packing
Delivery
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Worm and Worm Wheel |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|
Troubleshooting Abnormal Noises in an NMRV Gearbox
Abnormal noises from an NMRV gearbox can be troublesome and might indicate underlying issues. Follow these steps to troubleshoot and resolve the problem:
- Identify the Noise: Listen closely to the noise and determine if it’s a grinding, whining, or knocking sound.
- Check Lubrication: Insufficient or contaminated lubrication can lead to noises. Ensure the gearbox is properly lubricated.
- Inspect Gears: Examine the gear teeth for wear, damage, or misalignment.
- Look for Foreign Objects: Foreign objects inside the gearbox can cause noise. Clean and inspect the interior.
- Check Bearings: Worn or damaged bearings can be noisy. Inspect and replace them if necessary.
- Inspect Seals: Damaged seals can allow contaminants in, affecting performance. Replace damaged seals.
- Examine Housing: Ensure the gearbox housing is intact without cracks or misalignment.
- Review Load Conditions: Excessive loads can lead to noise. Ensure the gearbox isn’t overloaded.
- Check Mounting: Confirm the gearbox is properly mounted and aligned.
- Consult Guidelines: Refer to manufacturer guidelines for specific troubleshooting steps.
- Professional Help: If the issue persists, seek help from a professional technician or manufacturer.
Follow these steps to identify and rectify abnormal noises in your NMRV gearbox.
Benefits of Using an NMRV Gearbox
NMRV gearboxes offer several advantages that make them a popular choice in various applications:
- Compact Design: NMRV gearboxes are compact and space-efficient, making them suitable for installations with limited space.
- High Efficiency: These gearboxes are designed for high efficiency, minimizing energy losses during power transmission.
- Smooth Operation: NMRV gearboxes provide smooth and reliable operation due to their precise gear meshing and design.
- Quiet Performance: The design and quality of NMRV gearboxes contribute to quiet operation, reducing noise levels in various applications.
- Cost-Effective: Their efficient manufacturing processes and durability make NMRV gearboxes a cost-effective choice for power transmission.
- Wide Ratio Range: NMRV gearboxes are available in a wide range of gear ratios, allowing users to select the most suitable option for their specific application needs.
- Corrosion Resistance: Many NMRV gearboxes are constructed using materials that offer corrosion resistance, enhancing their longevity and performance in harsh environments.
- Easy Installation: The compact and lightweight design of NMRV gearboxes makes them relatively easy to install and integrate into various systems.
- Low Maintenance: With proper lubrication and maintenance, NMRV gearboxes can have a long service life with minimal maintenance requirements.
- Versatility: NMRV gearboxes are versatile and can be used in a wide range of applications, from industrial machinery to conveyor systems.
These benefits collectively contribute to the popularity of NMRV gearboxes in industries where efficient and reliable power transmission is crucial.
Installing an NMRV Gearbox
Installing an NMRV gearbox requires careful attention to ensure proper alignment and secure attachment. Here’s a general guide to the installation process:
- Prepare the Workspace: Ensure you have a clean and organized workspace with the necessary tools and equipment.
- Positioning: Place the NMRV gearbox in the desired position on your machinery, making sure it aligns with the input and output components.
- Alignment: Ensure that the input shaft of the gearbox is aligned with the driving shaft from the power source. Misalignment can lead to premature wear and reduced efficiency.
- Mounting: Securely mount the NMRV gearbox to the machinery frame using appropriate fasteners. Follow the manufacturer’s recommendations for torque specifications.
- Input Coupling: Connect the input shaft of the gearbox to the driving shaft using a suitable coupling. This coupling should be properly aligned to avoid unnecessary stress on the gearbox components.
- Output Coupling: Similarly, connect the output shaft of the gearbox to the driven component using an appropriate coupling.
- Lubrication: Before operation, make sure to fill the gearbox with the recommended lubricant to ensure proper gear meshing and reduce friction.
- Testing: Run the machinery briefly to check for any unusual noises, vibrations, or leaks. Make any necessary adjustments.
It’s crucial to follow the manufacturer’s installation guidelines and specifications to ensure a smooth and trouble-free installation process. Proper installation contributes to the longevity and reliable performance of your NMRV gearbox.
editor by CX 2024-03-28
China Best Sales Nmrv – 030 Worm Gearbox for Miniature Worm Speed Reducer gearbox drive shaft
Product Description
Specification
|
Type |
Worm Gearbox/Worm Gear Speed Reducer |
|
Model |
NMRV:571,030,040,050,063,075,090,110,130,150 |
|
Center distance |
25-150mm |
|
Ratio |
5,7.5,10,15,20,25,30,40,50,60,80,100 |
|
Torque |
1.8-1800Nm |
|
Motor |
2 pole, 4 pole, 6 pole |
|
Mounting position |
Omnidirectional |
|
Color |
Blue/Silver grey Or On request |
|
Material |
NMRV571~090:Aluminum alloy; NMRV110~150 Cast iron |
Product Description
Worm Gear Speed Reducer.
Worm gear speed reducers are popular for their flexibility and efficiency, because they can show the best deceleration capacity in the smallest space and are typically applied in transmissions with low speed and high torque.
The worm speed reducer can also be easily mounted with various accessories like torque arms, different types of flanges, shafts and so on.
We attach much importance to the details of the products. The housing of our worm gearbox is made of aluminum alloy or cast iron,the worm is made of carburized 20Cr, and the suppliers of raw materials are rigorously screened, thus to ensure our products are of high quality, long service life and low noise.
Sihai is a professional manufacturer of speed reducers that can provide you with both single-stage worm gear reducer and two-stage worm gear reducer, as well as customized gearboxes according to your requirement.
Details
Multiple inputs and outputs
00:00
00:00
FAQ
Q1.How to choose a gearbox which meets our requirement?
A1. You can provide the technical information of output speed,motor power,motor parameter,output torque,equipment connection mode etc.Or,you can refer to our catalogue and confirm with me.
Q2. How is your price? Can you offer any discount?
A2: We will give the best price we can base on your needs and the quantities.
Q3. Do you offer any visiting?
A3: Yes! Welcome!Notify me in advance.
Q4. When is the best time to contact you?
A4: Any time, we will reply you as soon as possible.
Q5. How long will it take for the lead time?
A5: At the time we agreed
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Speed Changing, Speed Reduction |
| Layout: | Gearbox |
| Hardness: | Gearbox |
| Installation: | Gearbox |
| Step: | Gearbox |
| Customization: |
Available
| Customized Request |
|---|
Calculating Torque Requirements for an NMRV Gearbox
Calculating torque requirements for an NMRV gearbox involves several steps: Identify Input Torque, Calculate Output Torque, Consider Efficiency, and Add Safety Margin.
- Identify Input Torque: Determine the input torque required by the application, taking into account factors such as load, speed, and efficiency.
- Calculate Output Torque: Use the gear ratio of the NMRV gearbox to calculate the output torque needed to achieve the desired output speed.
- Consider Efficiency: Take into account the efficiency of the NMRV gearbox. The actual output torque will be influenced by the gearbox’s mechanical efficiency.
- Add Safety Margin: To ensure reliable performance and account for variations in operating conditions, it’s recommended to add a safety margin to the calculated torque requirements.
Formula to calculate output torque: Output Torque = Input Torque × Gear Ratio × Gearbox Efficiency
Keep in mind that torque requirements can vary based on the specific application and factors such as load type, duty cycle, and environmental conditions. Consulting with gearbox manufacturers or engineering experts can help ensure accurate torque calculations for your NMRV gearbox application.
Design Principles of an NMRV Gearbox
The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:
- Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
- Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
- Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
- Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
- Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
- Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
- Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
- Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
- Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.
The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.
Working Principle of an NMRV Gearbox
An NMRV gearbox, also known as a worm gear reducer, operates based on a worm and worm wheel mechanism. Here’s how it works:
The gearbox consists of two main components: the worm (a screw-like shaft) and the worm wheel (a toothed wheel). The worm is driven by the input power source, while the worm wheel is connected to the output shaft.
As the worm rotates, its threaded shaft engages with the teeth of the worm wheel. The helical shape of the worm causes the teeth of the worm wheel to push against each other, resulting in a smooth and gradual transfer of motion. This mechanism provides the speed reduction and torque multiplication required for various applications.
One key characteristic of NMRV gearboxes is that the worm can turn the worm wheel, but the reverse is not possible due to the high friction generated by the helical threads. This feature prevents the output shaft from back-driving the input shaft, providing mechanical locking and enhancing safety and stability in applications.
The NMRV gearbox’s operation is continuous, and its simple design contributes to its reliability and efficiency. It is important to ensure proper lubrication to minimize wear and heat generation during operation.
editor by CX 2024-03-27
China wholesaler Flange Mounted Nmrv Worm Gearbox cvt gearbox
Product Description
RV series Characteristics
- 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, oil seals, low/high temperature oil, filling/drain/breather/level plug,Small gap
Basic models can be applied to a wide range of power reduction ratios from 5 to 1000.
Warranty: One year from date of delivery.
| WORM GEARBOX | |||||
| SNW SERIES | Output Speed Range: | ||||
| Type | Old Type | Output Torque | Output Shaft Dia. | 14rpm-280rpm | |
| SNW030 | RV030 | 21N.m | φ14 | Applicable Motor Power: | |
| SNW040 | RV040 | 45N.m | φ19 | 0.06kW-11kW | |
| SNW050 | RV050 | 84N.m | φ25 | Input Options1: | |
| SNW063 | RV063 | 160N.m | φ25 | With Inline AC Motor | |
| SNW075 | RV075 | 230N.m | φ28 | Input Options2: | |
| SNW090 | RV090 | 410N.m | φ35 | With Square flange | |
| SNW105 | RV105 | 630N.m | φ42 | Input Options3: | |
| SNW110 | RV110 | 725N.m | φ42 | With Input Shaft | |
| SNW130 | RV130 | 1050N.m | φ45 | Input Options4: | |
| SNW150 | RV150 | 1550N.m | φ50 | With Input Flange |
Starshine Drive
ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
Starshine have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.
Our Team
Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value
3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures
to prevent recurrence.
4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.
5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of
customer expectations and needs.
6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product
is a product inspection to determine the qualified products.
Packing
Delivery
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| Application: | Motor, Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Corner |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|
Using NMRV Gearboxes in High-Load Applications
NMRV gearboxes can be used in moderate to high-load applications, but their load capacity is generally limited compared to some other gearbox types. They are best suited for applications with light to moderate loads, such as conveyor systems, packaging equipment, and small machinery. It’s important to consider the specific load requirements and consult with gearbox manufacturers or engineers to ensure the chosen NMRV gearbox can handle the intended application’s load demands.
Design Principles of an NMRV Gearbox
The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:
- Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
- Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
- Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
- Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
- Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
- Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
- Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
- Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
- Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.
The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.
Key Features of an NMRV Gearbox
NMRV gearboxes, also known as worm gear reducers, offer several key features that make them suitable for various applications:
- Compact Design: NMRV gearboxes are known for their compact and space-saving design, making them ideal for installations with limited space.
- High Efficiency: These gearboxes offer relatively high efficiency levels, which ensures efficient power transmission and reduced energy loss.
- Speed Reduction: NMRV gearboxes are primarily used for speed reduction applications, where the input speed is reduced while torque is increased.
- Torque Multiplication: The worm and worm wheel mechanism allows for torque multiplication, making NMRV gearboxes suitable for applications requiring high torque output.
- Self-Locking: The helical design of the worm causes self-locking, preventing the output shaft from back-driving the input shaft and providing mechanical locking.
- Smooth Operation: NMRV gearboxes offer smooth and quiet operation, making them suitable for applications where noise reduction is important.
- Wide Range of Ratios: These gearboxes come in a wide range of gear ratios, allowing users to select the appropriate ratio for their specific application.
- Low Maintenance: The simple design and few moving parts contribute to the low maintenance requirements of NMRV gearboxes.
- Versatility: NMRV gearboxes are versatile and can be used in various industries and applications, including conveyor systems, food processing, packaging, and more.
It’s important to consider these key features when selecting an NMRV gearbox for your specific application to ensure optimal performance and efficiency.
editor by CX 2024-03-27
China Custom Nmrv Gearbox Reducer Gearbox for Conveyor car gearbox
Product Description
SMRV series worm-gear speed reducer is a new-generation of products developed by our company with combination of advanced by technology both at home and abroad.
Characteristics:
(1)Large output torque
(2) Safe, reliable, economical and durable
(3) Stable transmission, quiet operation
(4)High heat-radiating efficiency, high carrying ability
(5) Combination of 2 single-step worm gear speed reducers, meeting the requirements of super speed ratio
Technical data:
(1) Iput power:0.06kw-15kw
(2) Output torque:4-2320N.M
(3) Speed ratio: 5/10/15/20/25/30/40/50/60/80/100
(4) With IEC input flange: 56B14/71B14/80B5/90B5
Materials:
(1) NMRV571-NMRV090: Aluminium alloy housing
(2) NMRV110-150: Cast iron housing
(3) Bearing: CHINAMFG bearing & Homemade bearing
(4) Lubricant: Synthetic & Mineral
Color:
(1) Blue / Light blue
(2) Silvery White
Quality control
(1) Quality guarantee: 1 year
(2) Certificate of quality: ISO9001:2000
(3) Every product must be tested before sending
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| Application: | Motor |
|---|---|
| Hardness: | Soft Tooth Surface |
| Installation: | Vertical Type |
| Samples: |
US$ 23/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Calculating Torque Requirements for an NMRV Gearbox
Calculating torque requirements for an NMRV gearbox involves several steps: Identify Input Torque, Calculate Output Torque, Consider Efficiency, and Add Safety Margin.
- Identify Input Torque: Determine the input torque required by the application, taking into account factors such as load, speed, and efficiency.
- Calculate Output Torque: Use the gear ratio of the NMRV gearbox to calculate the output torque needed to achieve the desired output speed.
- Consider Efficiency: Take into account the efficiency of the NMRV gearbox. The actual output torque will be influenced by the gearbox’s mechanical efficiency.
- Add Safety Margin: To ensure reliable performance and account for variations in operating conditions, it’s recommended to add a safety margin to the calculated torque requirements.
Formula to calculate output torque: Output Torque = Input Torque × Gear Ratio × Gearbox Efficiency
Keep in mind that torque requirements can vary based on the specific application and factors such as load type, duty cycle, and environmental conditions. Consulting with gearbox manufacturers or engineering experts can help ensure accurate torque calculations for your NMRV gearbox application.
Benefits of Using an NMRV Gearbox
NMRV gearboxes offer several advantages that make them a popular choice in various applications:
- Compact Design: NMRV gearboxes are compact and space-efficient, making them suitable for installations with limited space.
- High Efficiency: These gearboxes are designed for high efficiency, minimizing energy losses during power transmission.
- Smooth Operation: NMRV gearboxes provide smooth and reliable operation due to their precise gear meshing and design.
- Quiet Performance: The design and quality of NMRV gearboxes contribute to quiet operation, reducing noise levels in various applications.
- Cost-Effective: Their efficient manufacturing processes and durability make NMRV gearboxes a cost-effective choice for power transmission.
- Wide Ratio Range: NMRV gearboxes are available in a wide range of gear ratios, allowing users to select the most suitable option for their specific application needs.
- Corrosion Resistance: Many NMRV gearboxes are constructed using materials that offer corrosion resistance, enhancing their longevity and performance in harsh environments.
- Easy Installation: The compact and lightweight design of NMRV gearboxes makes them relatively easy to install and integrate into various systems.
- Low Maintenance: With proper lubrication and maintenance, NMRV gearboxes can have a long service life with minimal maintenance requirements.
- Versatility: NMRV gearboxes are versatile and can be used in a wide range of applications, from industrial machinery to conveyor systems.
These benefits collectively contribute to the popularity of NMRV gearboxes in industries where efficient and reliable power transmission is crucial.
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 2024-03-15
China manufacturer Mini Right Angle Vertical Worm Gearbox, Nmrv Worm Reduction Industrial Gearbox with Good quality
Product Description
RV series worm speed reducer
Description:
The gearboxes can be applied to many industrial area, such as Metallurgical, mines, lifting, transportation, petrochemical, construction, textile, pharmaceutical, food, environmental, light electric, plastic machine, paper, parking equipment and so on. Our technical engineers can choose model for you according to your Request, and we also can supply our factory catalogue for your reference.
Features:
1 High quality, It adopts hard tooth gear with high accuracy
2 Large output torque,stable transmission with lower noise
3 High heat-radiating efficiency,elegant shape,durable service life 4,Suitable for omni-bearing installation
4 Low noise and smooth running
5 Worm drive uses hollow flank worm
6 High loading capacity, low in temperature rise and the long useful life
7 Few difference between transmission ratio rate, I = 6~13800
8 Compact structure, small size, convenient maintenance
9 Are based the unique modulation combination system, so its convenient for them to fit all types of motors or to connect with other power input. The same type of reducer can fit motors with different power, so that its possible for different types of machines to combine or connect.
| Worm Gear Speed Reducer/ gearbox | |
| Model | NMRV25/30/40/50/63/75/90/100/130/150 |
| Ratio | 7.5,10,15,20,25,30,40,50,60,80,100. |
| Color | Blue(RAL5571)/Silver grey (RAL9006) Or On Customer Request |
| Material | Aluminum alloy Worm wheel: Aluminum Bronze or Zinc 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 |
Components:
1. Housing: Die-cast Aluminium Alloy Gearbox (RV571~RV090)
Cast Iron Gearbox (RV110~RV150)
2. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy
3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding
4. Input Configurations:
Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor), IEC-normalized Motor Flange
Solid Shaft Input, Worm Shaft Tail Extension Input
5. Output Configurations: Keyed Hollow Shaft Output
Hollow Shaft with Output Flange, Plug-in CHINAMFG Shaft Output
6. Spare Parts: Worm Shaft Tail Extension, Single Output Shaft, Double Output Shaft, Output Flange, Torque Arm, Dust Cover.
Advantages:
1. Quality aluminum alloy gear box, light weight and not rust
2. 2 optional worm wheel materials: Tin bronze or aluminum bronze alloy
3. Standard parts and very flexible for shaft configurations and motor flange interface
4. Several optional mounting options
5. Low noise, High efficiency in heat dissipation
Packing & shipping
1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.
About us:
HangZhou CHINAMFG machinery technology Co., Ltd is an industry transmission solutions manufacuturer and service provider.
We offer 1 stop solution for power transmission products for different factories, such as chemicals, energy, material handling, environmental, extraction, pulp and paper, steel and metal, food and beverage, and construction industries.
We supply: Customised gears, Small gearmotors, Industrial gearboxes, Motors, Brand product sourcing.
Our industrial Gear, Gearbox, gearmotor and motor are sold to more than 30 countries. High quality, good price, in time response and sincere service are our value and promises. We aim at making happy cooperation with our customers, bring them reliable and comfortable service.
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| Application: | Machinery, Industry |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | as Request |
| Layout: | Worm |
| Gear Shape: | Bevel Gear |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|
Using NMRV Gearboxes in High-Load Applications
NMRV gearboxes can be used in moderate to high-load applications, but their load capacity is generally limited compared to some other gearbox types. They are best suited for applications with light to moderate loads, such as conveyor systems, packaging equipment, and small machinery. It’s important to consider the specific load requirements and consult with gearbox manufacturers or engineers to ensure the chosen NMRV gearbox can handle the intended application’s load demands.
Design Principles of an NMRV Gearbox
The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:
- Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
- Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
- Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
- Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
- Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
- Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
- Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
- Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
- Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.
The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.
NMRV Gearbox Ratios
NMRV gearboxes are available in a variety of gear ratios to suit different applications and torque requirements. The gear ratio determines the relationship between the input and output speeds of the gearbox. Commonly available ratios include:
- 5:1: This ratio provides higher output torque at a slower output speed compared to the input speed.
- 7.5:1: This ratio offers a balance between torque and speed.
- 10:1: With this ratio, the output speed is further reduced while increasing torque output.
- 15:1: This ratio is suitable for applications requiring higher torque output at the expense of speed.
- 20:1: This ratio maximizes torque output while significantly reducing output speed.
- 25:1: It provides even higher torque output at a further reduced output speed.
- 30:1: This ratio is ideal for applications demanding maximum torque at minimum output speed.
- 40:1 and higher: These ratios are used in applications with very high torque requirements and low output speed.
The choice of gearbox ratio depends on the specific application, desired output speed, and required torque. It’s important to select the right ratio to ensure optimal performance and efficiency in your machinery.
editor by CX 2024-03-14
China wholesaler High Quality Nmrv Worm Gearbox with Wide Gear Ratio gearbox assembly
Product Description
Product Description
High Quality Nmrv Worm Gearbox with Wide Gear Ratio
NMRV 571-150 worm gear box with flange and electric motor
NMRV+NMRV Double Stage Arrangement Reduction Gear Box
RV Series Worm Gearbox
worm speed reducer
nmrv worm gear motor
Detailed Photos
RV Series
Including RV / NMRV / NRV.
Main Characteristic of RV Series Worm Gearbox
RV series worm gear reducer is a new-generation product developed by CHINAMFG on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad.
1. High-quality aluminum alloy, light in weight and non-rusting.
2. Large in output torque.
3. Smooth running and low noise,durable in dreadful conditions.
4. High radiation efficiency.
5. Good-looking appearance, durable in service life and small volume.
6. Suitable for omnibearing installation.
Product Parameters
3. Worm Wheel: wearable stannum bronze alloy.
| SPEED RATIO | 7.5~100 |
| OUTPUT TORQUE | <1050NM |
| IN POWER | 0.09-11KW |
| MOUNTING TYPE | FOOT-MOUNTED FLANGE-MOUNTED |
| When working, great load capacity, stable running, low noise with high efficiency. | |||||||
| Gear Box’s Usage Field | |||||||
| 1 | Metallurgy | 11 | Agitator | ||||
| 2 | Mine | 12 | Rotary weeder | ||||
| 3 | Machine | 13 | Metallurgy | ||||
| 4 | Energy | 14 | Compressor | ||||
| 5 | Transmission | 15 | Petroleum industry | ||||
| 6 | Water Conserbancy | 16 | Air Compressor | ||||
| 7 | Tomacco | 17 | Crusher | ||||
| 8 | Medical | 18 | Materials | ||||
| 9 | Packing | 19 | Electronics | ||||
| 10 | Chemical industry | 20 | Textile indutry | ||||
| … | … | ||||||
| Power | 0.06kw | 0.09kw | 0.12kw | 0.18kw | 0.25kw | 0.37kw | 0.55kw |
| 0.75kw | 1.1kw | 1.5kw | 2.2kw | 3kw | 4kw | 5.5kw | |
| 7.5kw | 11kw | 15kw | |||||
| Torque | 2.6N.m-3000N.m | ||||||
| Ratio | 7.5-100, the double gearbox is more | ||||||
| Color | Blue, Silver or as customers’ need | ||||||
| Material | Iron or Aluminium | ||||||
| Packing | Carton with Plywood Case or as clients’ requirement | ||||||
| Type | RV571 | RV030 | RV040 | RV050 | RV063 | RV075 | RV090 |
| Weight | 0.7kg | 1.3kg | 2.3kg | 3.5kg | 6.2kg | 9kg | 13kg |
| Type | RV110 | RV130 | RV150 | ||||
| Weight | 35kg | 60kg | 84kg | ||||
| Mounting Methods | Foot Installation | Flange Installation | |||||
| For various mortor or double input/output shafts can be equipped | |||||||
Certifications
Packaging & Shipping
Company Profile
After Sales Service
| Pre-sale services | 1. Select equipment model. |
| 2.Design and manufacture products according to clients’ special requirement. | |
| 3.Train technical personal for clients | |
| Services during selling | 1.Pre-check and accept products ahead of delivery. |
| 2. Help clients to draft solving plans. | |
| After-sale services | 1.Assist clients to prepare for the first construction scheme. |
| 2. Train the first-line operators. | |
| 3.Take initiative to eliminate the trouble rapidly. | |
| 4. Provide technical exchanging. |
FAQ
FAQ:
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set
Contact:
Welcome you contace me if you are interested in our product.
Our team will support any need you might have. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machinery |
|---|---|
| Function: | Speed Changing, Speed Reduction |
| Layout: | Right Angle |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|
Replacing Parts vs. Replacing the Whole NMRV Gearbox
Whether to replace parts or the entire NMRV gearbox depends on the extent of the issue and the availability of replacement parts:
Replacing Parts: If a specific component is faulty or worn, you can often replace that part. This is a cost-effective solution and is feasible when the damage is isolated to a single component.
When to Replace Parts:
- Minor wear on gears, bearings, or seals.
- Specific components are damaged, but the rest of the gearbox is in good condition.
Replacing the Whole Gearbox: If multiple components are severely damaged, the gearbox housing is cracked, or the gearbox repeatedly experiences issues, replacing the entire unit might be a better option.
When to Replace the Whole Gearbox:
- Severe damage to multiple components.
- Cracks or damage to the gearbox housing.
- Frequent breakdowns and repairs.
Professional Assessment: In some cases, it’s best to consult a professional technician to assess the situation and provide recommendations. They can guide you on whether to replace parts or the entire unit based on the specific circumstances.
Ultimately, the decision between replacing parts and replacing the whole NMRV gearbox depends on factors such as the extent of damage, cost considerations, and the expertise of professionals.
Design Principles of an NMRV Gearbox
The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:
- Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
- Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
- Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
- Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
- Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
- Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
- Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
- Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
- Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.
The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.
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 2024-03-13
China manufacturer Nmrv Series Hollow Shafr Gearbox with Best Sales
Product Description
Overview
———————————————————————————————————————————————————————————————————————————————–
Quick Details
Gearing Arrangement: Worm Brand Name: CHINAMFG
Input Speed: 1400 rpm Output Speed: 14 rpm to 186 rpm
Rated Power: 0.06 ~ 4KW Output Torque: 2.6-479N.M
Color: Blue/Silver or on request Origin: ZHangZhoug, China (Mainland)
Warranty: 1 Year Application: Industry
———————————————————————————————————————————————————————————————————————————————–
Supply Ability
Supply Ability: 20000 Piece/Pieces per Month
Extra Service: OEM is welcome
QC System: ISO9001:2008
———————————————————————————————————————————————————————————————————————————————–
Packaging & Delivery
Package: Wooden box/Paper carton
Port: HangZhou/ZheJiang or on request
———————————————————————————————————————————————————————————————————————————————–
| TYPE | Worm Gear Speed Reducer/Worm Gearbox |
| MODEL | NMRV series size:571,030,040,050,063,075,090,110,130,150 |
| RATIO | 5,7.5,10,15,20,25,30,40,50,60,80,100 |
| COLOR | Blue(RAL5571)/Silver grey (RAL9571) or on your request |
| MATERIAL | Housing:Aluminum alloy |
| PACKING | Wooden box/Paper carton |
| BEARING | C&U |
| SEAL | SKF |
| WARRANTY | 1 Year |
| INPUT POWER | 0.09KM-15KM |
| USAGES | Foodstuffs, Ceramics, Packing, Chemicals, Pharmacy, Plastics, Paper-making, Machine-tools |
| IEC FLANGE | IEC standard flange or on request |
| LUBRICANT | Shell or Henry |
About CHINAMFG since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam-
ples.
Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also.
Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.
/* January 22, 2571 19:08:37 */!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: | as for Request |
| Layout: | as for Request |
| Gear Shape: | Worm |
| 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.
Design Principles of an NMRV Gearbox
The design of an NMRV (worm gear) gearbox is based on key principles that enable its efficient and reliable operation:
- Worm Gear Mechanism: The core of an NMRV gearbox is the worm screw and worm wheel. The worm screw, typically cylindrical in shape, meshes with the teeth of the worm wheel. This configuration provides high gear reduction ratios.
- Helical Gearing: The worm screw is usually helical, allowing for smoother engagement with the worm wheel. Helical gearing reduces the sliding friction and noise associated with traditional straight-cut worm gears.
- Compact Design: NMRV gearboxes are designed to be compact, often with a right-angle configuration. This allows for efficient use of space in various applications.
- Alloy Construction: Many NMRV gearboxes are constructed from high-quality alloys, providing durability and corrosion resistance. The choice of materials ensures a gearbox capable of withstanding varying loads and environmental conditions.
- Bearing Support: Bearings support the rotating elements within the gearbox, reducing friction and ensuring smooth operation. Bearings are strategically placed to handle radial and axial loads.
- Sealing and Lubrication: NMRV gearboxes are equipped with effective sealing mechanisms to prevent the entry of contaminants and to retain lubricating oil. Proper lubrication is essential for reducing wear and enhancing gearbox efficiency.
- Efficient Power Transmission: The worm gear mechanism in NMRV gearboxes provides high gear reduction ratios, allowing for efficient power transmission while minimizing energy losses.
- Quiet Operation: The helical design of the worm screw and worm wheel contributes to quieter operation compared to traditional straight-cut worm gears.
- Wide Range of Ratios: NMRV gearboxes are available in various gear ratios, allowing users to select the appropriate configuration for their specific application needs.
The combination of these design principles results in an NMRV gearbox that offers efficient, reliable, and quiet power transmission for a wide range of industrial applications.
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 2024-03-12
China Hot selling Nmrv Series Hollow Shaft Worm Gearbox for Machines wholesaler
Product Description
Detailed Photos
Product Description
Components:
1. Housing: Die-cast Aluminium Alloy Gearbox (RV571~RV090)Cast Iron Gearbox (RV110~RV150)
2. Worm Wheel: Wearable Tin Bronze Alloy, Aluminum Bronze Alloy
3. Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized
layer after precise grinding
4. Input Configurations:
Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor)
IEC-normalized Motor Flange
Solid Shaft Input
Worm Shaft Tail Extension Input
5. Output Configurations:
Keyed Hollow Shaft Output
Hollow Shaft with Output Flange
Plug-in CHINAMFG Shaft Output
Models:
Hollow Shaft Input with IEC-normalized Motor Flange
RV571~RV150
Solid Shaft Input
RV571~RV150
Product Parameters
Technical Data
|
Models |
Rated Power |
Rated |
Input Hole |
Input Shaft |
Output Hole |
Output Shaft |
|
RV571 |
0.06KW~0.12KW |
5~60 |
Φ9 |
Φ9 |
Φ11 |
Φ11 |
|
RV030 |
0.06KW~0.25KW |
5~80 |
Φ9(Φ11) |
Φ9 |
Φ14 |
Φ14 |
|
RV040 |
0.09KW~0.55KW |
5~100 |
Φ9(Φ11,Φ14) |
Φ11 |
Φ18(Φ19) |
Φ18 |
|
RV050 |
0.12KW~1.5KW |
5~100 |
Φ11(Φ14,Φ19) |
Φ14 |
Φ25(Φ24) |
Φ25 |
|
RV063 |
0.18KW~2.2KW |
7.5~100 |
Φ14(Φ19,Φ24) |
Φ19 |
Φ25(Φ28) |
Φ25 |
|
RV075 |
0.25KW~4.0KW |
7.5~100 |
Φ14(Φ19,Φ24,Φ28) |
Φ24 |
Φ28(Φ35) |
Φ28 |
|
RV090 |
0.37KW~4.0KW |
7.5~100 |
Φ19(Φ24,Φ28) |
Φ24 |
Φ35(Φ38) |
Φ35 |
|
RV110 |
0.55KW~7.5KW |
7.5~100 |
Φ19(Φ24,Φ28,Φ38) |
Φ28 |
Φ42 |
Φ42 |
|
RV130 |
0.75KW~7.5KW |
7.5~100 |
Φ24(Φ28,Φ38) |
Φ30 |
Φ45 |
Φ45 |
|
RV150 |
2.2KW~15KW |
7.5~100 |
Φ28(Φ38,Φ42) |
Φ35 |
Φ50 |
Φ50 |
Ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Installation:
Flange Mounted
Foot Mounted
Torque Arm Mounted
Lubrication:
Grease Lubrication
Oil-bath and Splash Lubrication
Cooling:
Natural Cooling
Certifications
Company Profile
Xihu (West Lake) Dis.ng Transmission Equipment Co., Ltd. located HangZhou city, ZHangZhoug, as 1 professional manufacturer
and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox , AC motor and relative spare
parts, owns rich experience in this line for many years.
We are 1 direct factory, with advanced production equipment, the strong development team and producing
capacity to offer quality products for customers.
Our products widely served to various industries of Metallurgy, Chemicals, lifting,mining,Petroleum,textile,medicine,wooden etc. Main markets: China, Africa,Australia,Vietnam, Turkey,
Japan, Korea, Philippines…
Welcome to ask us any questions, good offer always for you for long term business.
FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.
Q: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.
Q:How to choose a gearbox which meets your requirement?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.
Q: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Marine, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Worm Gear |
| Step: | Single-Step |
Safety Precautions When Working with NMRV Gearboxes
Working with NMRV (worm gear) gearboxes requires careful attention to safety to prevent accidents and injuries. Here are some essential safety precautions to consider:
- Personal Protective Equipment (PPE): Always wear appropriate PPE, such as gloves, safety glasses, and protective clothing, to protect yourself from potential hazards.
- Lockout-Tagout: Before performing any maintenance or repairs, ensure the equipment is properly shut down and locked out to prevent accidental startup.
- Training: Only qualified personnel with proper training and experience should work on NMRV gearboxes to minimize the risk of errors and accidents.
- Proper Tools: Use the correct tools for the job and ensure they are in good condition. Incorrect tools can cause damage or pose safety risks.
- Adequate Lighting: Work in well-lit areas to enhance visibility and reduce the risk of accidents caused by poor lighting.
- Secure Work Area: Ensure the work area is clean, organized, and free from clutter to prevent tripping hazards and improve overall safety.
- Lubrication: When applying lubricants, be cautious to avoid spills. Clean up any spills immediately to prevent slips and falls.
- Follow Manufacturer Guidelines: Adhere to the manufacturer’s instructions, maintenance schedules, and safety guidelines when working on NMRV gearboxes.
- Electrical Safety: If the gearbox is electrically powered, ensure proper electrical safety protocols are followed during maintenance or repairs.
- Avoid Overloading: Do not exceed the recommended load capacities of the gearbox to prevent mechanical failures and potential hazards.
- Stay Clear of Moving Parts: Keep hands, clothing, and other objects away from moving parts to prevent entanglement or injury.
- Emergency Procedures: Be familiar with emergency shutdown procedures and know how to respond in case of an unexpected situation.
By following these safety precautions, you can help ensure a safe working environment and minimize the risk of accidents or injuries when working with NMRV gearboxes.
Benefits of Using an NMRV Gearbox
NMRV gearboxes offer several advantages that make them a popular choice in various applications:
- Compact Design: NMRV gearboxes are compact and space-efficient, making them suitable for installations with limited space.
- High Efficiency: These gearboxes are designed for high efficiency, minimizing energy losses during power transmission.
- Smooth Operation: NMRV gearboxes provide smooth and reliable operation due to their precise gear meshing and design.
- Quiet Performance: The design and quality of NMRV gearboxes contribute to quiet operation, reducing noise levels in various applications.
- Cost-Effective: Their efficient manufacturing processes and durability make NMRV gearboxes a cost-effective choice for power transmission.
- Wide Ratio Range: NMRV gearboxes are available in a wide range of gear ratios, allowing users to select the most suitable option for their specific application needs.
- Corrosion Resistance: Many NMRV gearboxes are constructed using materials that offer corrosion resistance, enhancing their longevity and performance in harsh environments.
- Easy Installation: The compact and lightweight design of NMRV gearboxes makes them relatively easy to install and integrate into various systems.
- Low Maintenance: With proper lubrication and maintenance, NMRV gearboxes can have a long service life with minimal maintenance requirements.
- Versatility: NMRV gearboxes are versatile and can be used in a wide range of applications, from industrial machinery to conveyor systems.
These benefits collectively contribute to the popularity of NMRV gearboxes in industries where efficient and reliable power transmission is crucial.
Working Principle of an NMRV Gearbox
An NMRV gearbox, also known as a worm gear reducer, operates based on a worm and worm wheel mechanism. Here’s how it works:
The gearbox consists of two main components: the worm (a screw-like shaft) and the worm wheel (a toothed wheel). The worm is driven by the input power source, while the worm wheel is connected to the output shaft.
As the worm rotates, its threaded shaft engages with the teeth of the worm wheel. The helical shape of the worm causes the teeth of the worm wheel to push against each other, resulting in a smooth and gradual transfer of motion. This mechanism provides the speed reduction and torque multiplication required for various applications.
One key characteristic of NMRV gearboxes is that the worm can turn the worm wheel, but the reverse is not possible due to the high friction generated by the helical threads. This feature prevents the output shaft from back-driving the input shaft, providing mechanical locking and enhancing safety and stability in applications.
The NMRV gearbox’s operation is continuous, and its simple design contributes to its reliability and efficiency. It is important to ensure proper lubrication to minimize wear and heat generation during operation.
editor by CX 2024-03-11