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, viton 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 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.
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, Agricultural Machinery |
|---|---|
| Function: | Speed Reduction |
| Layout: | Worm and Wrom Wheel |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|
Cost of an NMRV Gearbox
The cost of an NMRV gearbox can vary widely depending on factors such as type, size, quality, brand, features, customization, materials, construction, and market demand. As of my last update in September 2021, prices can range from tens of dollars for standard models to several hundred dollars or more for larger or specialized configurations. It's important to obtain quotes from various suppliers and manufacturers for an accurate cost estimate.
Lifespan of an NMRV Gearbox
The lifespan of an NMRV (worm gear) gearbox can vary based on several factors, including the quality of manufacturing, proper maintenance practices, operating conditions, and the specific application it is used for. However, when designed, manufactured, and maintained properly, NMRV gearboxes can have a long and reliable service life.
High-quality NMRV gearboxes that are made from durable materials, precisely machined, and assembled with care tend to have a longer lifespan. Regular maintenance, including proper lubrication, inspection, and addressing any signs of wear or damage, can significantly extend the gearbox's operational life.
The operating conditions in which the gearbox is used also play a role in determining its lifespan. Factors such as load, temperature, speed, and environment can impact the wear and tear on the gearbox components.
It's important to follow the manufacturer's recommendations for maintenance intervals and procedures to ensure optimal performance and longevity of the NMRV gearbox. By adhering to these guidelines and addressing any issues promptly, users can expect an NMRV gearbox to provide reliable service for many years.
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 2024-05-16
China Professional Nmrv Aluminum Worm Gear Motor 3 Phase Motor Gearbox High Rpm Gearbox synchromesh gearbox
Product Description
|
Type |
Worm Gear Speed Reducer/ Gearbox |
|
Model |
NMRV 25/30/40/50/63/75/90/110/130/150 |
|
Ratio |
7.5,10,15,20,25,30,40,50,60,80,100 |
|
Color |
Blue(RAL5571)/Silver grey (K9149) Or On Customer Request |
|
Material |
Housing: Aluminum alloy(size 25~90) / Cast iron(size 110~185) |
|
Worm wheel: Aluminum Bronze or Tin Bronze |
|
|
Worm shaft: 20CrMn Tin |
|
|
Output Shaft: Steel-45# |
|
|
Packing |
Carton, Wooden Case,Wooden pallet |
|
Warranty |
1 Year |
|
Input Power |
0.09kw,0.18kw,1.1kw,1.5kw,2.2kw,3kw,4kw,5.5kw,7.5kw,11kw,15kw and so on |
|
Usages |
Industrial Machine: Food Stuff, Ceramics,Packing, Chemical,Dyeing, Wood working, Glass |
|
IEC Flange |
IEC standard flange or on customer request |
|
Lubricant |
Synthetic oil or worm gear oil |
PRODUCTS CHARACTERISTICS
1. Mad of high-quality aluminum alloy,light weight and non-rusting
2. Large output torque
3. Smooth in running and low in noise,can work long time in dreadful conditions.
4. High in radiating efficiency.
5. Good-looking in appearance,durable in service life and small in volume.
6. Suitable for omnibearing installation.
FAQ
Q1:Are you a manufacturer or trading company?
Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
motor.
Q2:How to choose a gearbox which meets our requirement?
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.
Q3:What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
Q4:What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry, escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.
Q5:How about your delivery time?
For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty. For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.Please take the sales confirmation for final reference.
Q6:What's your warranty terms?
One year
/* 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, Motorcycle, Machinery, Marine, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | as for Request |
| Hardness: | Hardened Tooth Surface |
| Installation: | as for Request |
| Step: | as for Request |
| Samples: |
US$ 105/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
Maintenance and Service of an NMRV Gearbox
Maintaining and servicing an NMRV (worm gear) gearbox is essential to ensure its proper functioning, longevity, and reliability. Here are the steps and practices involved in maintaining and servicing an NMRV gearbox:
- Lubrication: Regularly lubricate the gearbox as per the manufacturer's recommendations. Use the appropriate lubricant to ensure smooth operation and to reduce friction and wear between the gear components.
- Inspection: Periodically inspect the gearbox for any signs of wear, damage, or leaks. Check for unusual noises, vibrations, or overheating during operation.
- Cleaning: Keep the gearbox and its surrounding area clean to prevent the buildup of dirt, debris, or contaminants that could potentially affect its performance.
- Tighten Fasteners: Check and tighten any fasteners, bolts, or screws that might have loosened due to vibrations during operation.
- Seal Inspection: Examine the seals and gaskets for signs of wear or leakage. Replace them if necessary to prevent oil leaks or ingress of contaminants.
- Temperature Monitoring: Monitor the operating temperature of the gearbox. Excessive heat can lead to premature wear and damage. Ensure proper ventilation and cooling if required.
- Address Issues Promptly: If you notice any unusual behavior, noise, or performance issues with the gearbox, address them promptly. Ignoring problems can lead to more significant damage over time.
- Replace Worn Parts: If any components, such as gears, bearings, or seals, are worn or damaged, replace them with genuine manufacturer-approved parts.
- Professional Service: For more extensive servicing, repairs, or overhauls, consult a professional with expertise in gearbox maintenance. They can disassemble, inspect, and reassemble the gearbox accurately.
By following these maintenance and servicing practices, you can ensure that your NMRV gearbox remains in optimal condition, delivering reliable performance and an extended operational lifespan.
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 2024-04-30
China factory Nmrv Series Nmrv063 030 075 090 Gear Box Aluminum Cast Iron Wheel Reduction Drive Speed Motor Worm Reducer Gearbox bevel gearbox
Product Description
High Torque Nmrv Series Gear Box Aluminum Cast Iron Wheel Reduction Power Transmission Drive Speed Worm Gear Reducer Gearbox
Product Description
Worm gearbox
Shell: aluminum alloy (base: 571-090) cast iron (base: 110-150);
Worm: 20Cr steel. Carbonitriding treatment (after fine grinding, keep the hardness of tooth surface HRC60, and the hardness thickness is greater than 0.5mm);
Worm gear: wear-resistant nickel bronze with special configuration;
Model: RV25 RV30 RV40 RV50 RV63 RV75 RV90 RV110 RV130 RV150 NMRV25 NMRV30 NMRV40 NMRV50 NMRV63 NMRV75 NMRV90 NMRV110 NMRV130 NMRV150
NRV25 NRV30 NRV40 NRV50 NRV63 NRV75 NRV90 NRV110 NRV130 NRV150
Characteristic 1. Compact mechanical structure, light volume and shape, small size and high efficiency; 2. Good heat exchange performance and fast heat dissipation; 3. Simple installation, flexibility, superior performance and easy maintenance; 4. Stable operation, low noise, durable; 5. Strong usability, high safety and reliability;
NMRV Worm Gearbox with Output Flange |
NRV-F Single CHINAMFG Shaft Input Worm Gearbox with Square Flange Output |
NRV-VS Dual CHINAMFG Shaft Input Worm Gearbox with Flange Output |
NRV Shaft Input Worm Gearbox |
NMRV-VS Dual Input Worm Gearbox with IEC Motor Flange |
NMRV-F Worm Gearbox with Flange Output |
PC+NMRV Worm Gearbox with PC Gear Unit |
NMRV+NMRV |
Related products
1. The wide and comprehensive range of N series for industrial applications
2. Low-speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
3. Rigid and precise nodular cast iron casing
4. Low noise running, high manufacturing quality standard
5. High and reliable performance, load capacity and low-speed shaft bearing
Please click here for more types!
Company Profile
Our Services
With all our activities DNV-ISO 9001, SGS -certified, we stand for top-quality service. Entrusting your gearboxes to the care of our Services.
Help protect your gearbox from wear and grinding, SGR gearbox converts torque reliably and efficiently.
We customize our CHINAMFG planetary gear units, double enveloping worm gearbox, helical gear motor, modular design helical gear unit, worm gearbox, cycloidal gearbox etc to fit your application and meet your needs.
These features enable a reliable and safe service life of over 200 000 operational hours.
Our customers have been placing their trust in CHINAMFG gear units since 1997. More than 500 000 gear units of our gearbox are in use reliably around the world, in many cases under very harsh conditions.
Related Products
For more reducers and mechanical accessories, please click here to view
/* 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, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Function: | Distribution Power, Speed Changing, Speed Reduction |
| Layout: | Wrom |
| Hardness: | Hardened Tooth Surface |
| Installation: | Worm Reducer |
| Step: | Worm Drive |
| 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.
Lifespan of an NMRV Gearbox
The lifespan of an NMRV (worm gear) gearbox can vary based on several factors, including the quality of manufacturing, proper maintenance practices, operating conditions, and the specific application it is used for. However, when designed, manufactured, and maintained properly, NMRV gearboxes can have a long and reliable service life.
High-quality NMRV gearboxes that are made from durable materials, precisely machined, and assembled with care tend to have a longer lifespan. Regular maintenance, including proper lubrication, inspection, and addressing any signs of wear or damage, can significantly extend the gearbox's operational life.
The operating conditions in which the gearbox is used also play a role in determining its lifespan. Factors such as load, temperature, speed, and environment can impact the wear and tear on the gearbox components.
It's important to follow the manufacturer's recommendations for maintenance intervals and procedures to ensure optimal performance and longevity of the NMRV gearbox. By adhering to these guidelines and addressing any issues promptly, users can expect an NMRV gearbox to provide reliable service for many years.
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 2024-04-25
China manufacturer Nmrv 050 Aluminum Worm Gear Speed Reducer Industrial Gearbox cvt gearbox
Product Description
NMRV 050 Aluminum Worm Gear Speed Reducer Industrial Gearbox
Features
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
Product Photos
Product Description
| Model | 030 ~ 063 |
| Power | 0.06kw ~ 4kw |
| 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 … |
FAQ
Q: Can you make the gearbox 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 5-30 days, a bit longer for customized products.
Q: Do you provide technical support?
A: Yes. Our company has design and development team, we can provide technical support if you
need.
Q: How to ship to us?
A: It is available by air, sea, or train.
Q: How do I 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 Reduction |
| Layout: | Right Angle |
| Samples: |
US$ 200/Piece
1 Piece(Min.Order) | Order Sample Aluminum/Cast Iron
|
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| 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. |
|---|
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.
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 2024-04-22
China factory Nmrv Aluminum Housing Worm Shaft Worm Gear Reduction Gearbox Nmrv110-30-2.2kw gearbox design
Product Description
Product Description
Detailed Photos
The NMRV reducer is relatively light in weight, and the shell is made of aluminum alloy. It has the advantages of light weight, superior strength, beautiful appearance, high heat dissipation performance, long service life, no noise in action, etc. It is convenient and simple to connect with the motor. Easy to install. NMRV reducer is a more practical transmission equipment, and its appearance design and body are more in line with the needs of the public than other types of reducers. Although the RV reducer made of aluminum alloy only emerged in 2007, its application field and popularity are even better than other types of reducers. It is a reducer with high practicability. , but also the integration of advanced technology at home and abroad. The NMRV reducer is extremely convenient to connect with ordinary motors, continuously variable transmissions, and flanged electromagnetic clutch brakes, and does not require couplings to connect. It is suitable for all-round installation, and the output torque is relatively large, and the work is quite stable.
Editing and broadcasting of main materials
1. Body, die-casting aluminum alloy;
2. Worm shaft, 20 Crq steel, high temperature treatment;
3. Worm gear, nickel bronze alloy;
4. Aluminum alloy body, sandblasting and surface anti-corrosion treatment;
5. Cast iron body, painted with bIu RA5571.
Regular center distance specification editing and broadcasting
Center distance: 130 (unit: mm).
Output hole/shaft diameter: 11, 14, 18, 25, 28, 35, 42, 45 (unit: mm)
Advantage: ♠ Occupied no space: The space requirement for the installation of output shaft is considerably large while assembling motor or reduce. The installation of hollow type reducer may form right Angle with motor,thus facilitate miniaturize of the machine
♠ Self-locking: For the place require for minor holding force,save the costof baking device,such as in slope conveyor ♠ Fast stop: The ordinary gear reducer available in market requires 5-10seconds stop time. but NRV series product need only 2-5 seconds to reach state of still. ♠ High accommodation:You may select from hollow shaft. uni-direction output shaft or dal output shaft, easy to modify, only 1 minute to complete the dissemble and assemble of shaft. ♠ High safety: Use transmission different from conventional method, no sprocket pulley is needed,no exposed
transmission structure, Reduce the possibility of operator ♠ Good protection: Water, dust proof,the protection class Ip55 possesses,good isolation to dust and moisture
♠ Allow multiple sides installation,no restriction in angle: There are holes for mounting on all plains of the series of
product for your selection of direction and angle required.
♠ Good cooling effect: One formation aluminum alloy for casing, quigley heat dissipation extended life for worn lever, worn gear, good durability(wormca-sing during running is normal)
♠ Easy maintenance: Different from conventional mounting method,you den't need the dissemble the sprocket, pulley but only dissemble and Assemble the mounting base of the reducer to compete the modification easily.
♠ No restriction on motor brand: Match with 15W-200W motor or domestic product available in market without further processing.
♠ Wide reduction ratio: Easily change the reduction ration from 30-20000 due to detached assemble.
♠ May complete with brake,clutch in 1 formation aesthetic and practice.
Main fetures:
1. Large speed ratio range 2. Small volume,low weight ,saving space for mounting. 3. Self-locking
4. High cost performance
5. Suitable for various motors
Use and safety guarantee
1. Please check and confirm the matching intensity between worm gear reducer and mechanical equipment before use to assure that it is in the safety range of worm gear reducer performance parameters
2. Worm gear reducer has filled with WA460 lubricating oil. Please replace the lubricating oil after the first starting of 400 hours and after then 4000 hours for lubricating oil replacing cycle
3. There should be enough lubrication in worm gear box and keep regular check with the oil level.
4. When installation. please be careful to avoid sharp instruments bruising the oil seals on output shaft to cause leakage
5. Please confirm the rotation direction before mechanical connection. If the rotation direction is not correct, it will possible injury or damage the devices
6. Please set safety covers in rotating position to avoid of injuring
7. Please pay full attention: it is very dangerous if there is off or falling when moving
Packaging & Shipping
Company Profile
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| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | 90 Degree |
| Layout: | Expansion |
| Gear Shape: | Cylindrical Gear |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
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.
Lubrication for an NMRV Gearbox
Lubrication is essential for the proper functioning and longevity of an NMRV gearbox. The type and amount of lubricant required may vary depending on the gearbox model and manufacturer. Here are the general lubrication practices:
- Recommended Lubricants: Use the lubricants specified by the gearbox manufacturer. Typically, high-quality gear oils with the appropriate viscosity and additives are recommended.
- Initial Fill: Prior to the gearbox's first operation, ensure that it is properly filled with the recommended lubricant to the correct level. Follow the manufacturer's guidelines for the proper quantity.
- Lubricant Change: Regularly change the lubricant according to the manufacturer's recommended intervals. Over time, lubricants can degrade due to heat and contamination, which can affect gearbox performance.
- Temperature Considerations: Gearboxes operating in extreme temperatures may require lubricants with specific temperature ranges to ensure proper viscosity and protection.
- Checking Levels: Periodically check the lubricant level in the gearbox to ensure it is within the specified range. This can prevent damage caused by insufficient lubrication.
- Oil Analysis: Some gearbox systems benefit from regular oil analysis to monitor lubricant condition and identify potential issues before they cause significant damage.
Proper lubrication practices contribute to reduced friction, wear, and heat generation within the NMRV gearbox, leading to improved efficiency and extended lifespan.
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 2023-12-22
China Flange Mounted Cast Aluminum Worm Gear Reducer Gearbox worm gear backdrive
Item Description
Specialized Parameters:
| Design | RV25-a hundred and fifty |
| Energy P(kW) | .06-15 |
| Transmission ratio (i) | 5,7.5,10,fifteen,twenty,twenty five,thirty,40,50,60,80,a hundred and ten |
| Rotate pace N(RPM) |
14-280 |
| Output torque T (N. m) | five-1800 |
Merchandise Benefits:
1. Its physical appearance is "square box" composition, with lovely physical appearance, little quantity, speedy warmth dispersion, and adaptable use and set up.
2. Worm and gear pairs undertake precision machining, producing, and gearing take a look at, to guarantee well balanced transmission, minimal temperature rise, small noise, substantial performance, and prolonged daily life.
3. Enter and output components adopt specific and neat processing, no rust and large stop.
four. The solution adopts excellent bearing transmission components and sealing factors, resilient and no-leakage.
5. Constantly variable transmission and worm gear reducer use cooperatively, which can adjust output rotate velocity in masses and comprehend continually variable transmission.
Software:
Products are widely used in ceramic, glass, food, metallurgy, beer & consume, printing and dyeing, textile, petrochemical engineering, warehouse logistics, wooden-functioning equipment, environmental defense tools, printing and packaging, pharmacy, and leather-based.
FAQ
Q: What is your MOQ of this item?
A: 5PCS. For the very first time cooperation, we accept trial sample purchase.
Q: What is actually your payment conditions?
A: 30% of agreement benefit as deposit via T/T, 70% balance prior to cargo by means of T/T or L/C at sight.
Q: What is the shipping time?
A: 30 days following deposit gained.
Q: How long is your guarantee?
A: twelve months from depart the port.
Workplace Block
Group
|
US $20-200 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Motor, Machinery, Marine, Agricultural Machinery, Industrial |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Soft Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Single-Step |
###
| Customization: |
Available
|
|---|
###
| Model | RV25-150 |
| Power P(kW) | 0.06-15 |
| Transmission ratio (i) | 5,7.5,10,15,20,25,30,40,50,60,80,110 |
| Rotate speed N(RPM) |
14-280 |
| Output torque T (N. m) | 5-1800 |
|
US $20-200 / Piece | |
1 Piece (Min. Order) |
###
| Application: | Motor, Machinery, Marine, Agricultural Machinery, Industrial |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Soft Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Single-Step |
###
| Customization: |
Available
|
|---|
###
| Model | RV25-150 |
| Power P(kW) | 0.06-15 |
| Transmission ratio (i) | 5,7.5,10,15,20,25,30,40,50,60,80,110 |
| Rotate speed N(RPM) |
14-280 |
| Output torque T (N. m) | 5-1800 |
What is a worm gear reducer?
A worm gear reducer is a mechanical device that uses a worm gear and a worm to reduce the speed of a rotating shaft. The gear reducer can increase the output torque of the engine according to the gear ratio. This type of gear reducer is characterized by its flexibility and compact size. It also increases the strength and efficiency of the drive.
Hollow shaft worm gear reducer
The hollow shaft worm gear reducer is an additional output shaft connecting various motors and other gearboxes. They can be installed horizontally or vertically. Depending on size and scale, they can be used with gearboxes from 4GN to 5GX.
Worm gear reducers are usually used in combination with helical gear reducers. The latter is mounted on the input side of the worm gear reducer and is a great way to reduce the speed of high output motors. The gear reducer has high efficiency, low speed operation, low noise, low vibration and low energy consumption.
Worm gear reducers are made of hard steel or non-ferrous metals, increasing their efficiency. However, gears are not indestructible, and failure to keep running can cause the gear oil to rust or emulsify. This is due to moisture condensation that occurs during the operation and shutdown of the reducer. The assembly process and quality of the bearing are important factors to prevent condensation.
Hollow shaft worm gear reducers can be used in a variety of applications. They are commonly used in machine tools, variable speed drives and automotive applications. However, they are not suitable for continuous operation. If you plan to use a hollow shaft worm gear reducer, be sure to choose the correct one according to your requirements.
Double throat worm gear
Worm gear reducers use a worm gear as the input gear. An electric motor or sprocket drives the worm, which is supported by anti-friction roller bearings. Worm gears are prone to wear due to the high friction in the gear teeth. This leads to corrosion of the confinement surfaces of the gears.
The pitch diameter and working depth of the worm gear are important. The pitch circle diameter is the diameter of the imaginary circle in which the worm and the gear mesh. Working depth is the maximum amount of worm thread that extends into the backlash. Throat diameter is the diameter of the circle at the lowest point of the worm gear face.
When the friction angle between the worm and the gear exceeds the lead angle of the worm, the worm gear is self-locking. This feature is useful for lifting equipment, but may be detrimental to systems that require reverse sensitivity. In these systems, the self-locking ability of the gears is a key limitation.
The double throat worm gear provides the tightest connection between the worm and the gear. The worm gear must be installed correctly to ensure maximum efficiency. One way to install the worm gear assembly is through a keyway. The keyway prevents the shaft from rotating, which is critical for transmitting torque. Then attach the gear to the hub using the set screw.
The axial and circumferential pitch of the worm gear should match the pitch diameter of the larger gear. Single-throat worm gears are single-threaded, and double-throat worm gears are double-throat. A single thread design advances one tooth, while a double thread design advances two teeth. The number of threads should match the number of mating gears.
Self-locking function
One of the most prominent features of a worm reducer is its self-locking function, which prevents the input and output shafts from being interchanged. The self-locking function is ideal for industrial applications where large gear reduction ratios are required without enlarging the gear box.
The self-locking function of a worm reducer can be achieved by choosing the right type of worm gear. However, it should be noted that this feature is not available in all types of worm gear reducers. Worm gears are self-locking only when a specific speed ratio is reached. When the speed ratio is too small, the self-locking function will not work effectively.
Self-locking status of a worm reducer is determined by the lead, pressure, and coefficient of friction. In the early twentieth century, cars had a tendency to pull the steering toward the side with a flat tire. A worm drive reduced this tendency by reducing frictional forces and transmitting steering force to the wheel, which aids in steering and reduces wear and tear.
A self-locking worm reducer is a simple-machine with low mechanical efficiency. It is self-locking when the work at one end is greater than the work at the other. If the mechanical efficiency of a worm reducer is less than 50%, the friction will result in losses. In addition, the self-locking function is not applicable when the drive is reversed. This characteristic makes self-locking worm gears ideal for hoisting and lowering applications.
Another feature of a worm reducer is its ability to reduce axially. Worm gears can be double-lead or single-lead, and it is possible to adjust their backlash to compensate for tooth wear.
Heat generated by worm gears
Worm gears generate considerable amounts of heat. It is essential to reduce this heat to improve the performance of the gears. This heat can be mitigated by designing the worms with smoother surfaces. In general, the speed at which worm gears mesh should be in the range of 20 to 24 rms.
There are many approaches for calculating worm gear efficiency. However, no other approach uses an automatic approach to building the thermal network. The other methods either abstractly investigate the gearbox as an isothermal system or build the TNM statically. This paper describes a new method for automatically calculating heat balance and efficiency for worm gears.
Heat generated by worm gears is a significant source of power loss. Worm gears are typically characterized by high sliding speeds in their tooth contacts, which causes high frictional heat and increased thermal stresses. As a result, accurate calculations are necessary to ensure optimal operation. In order to determine the efficiency of a gearbox system, manufacturers often use the simulation program WTplus to calculate heat loss and efficiency. The heat balance calculation is achieved by adding the no-load and load-dependent power losses of the gearbox.
Worm gears require a special type of lubricant. A synthetic oil that is non-magnetic and has a low friction coefficient is used. However, the oil is only one of the options for lubricating worm gears. In order to extend the life of worm gears, you should also consider adding a natural additive to the lubricant.
Worm gears can have a very high reduction ratio. They can achieve massive reductions with little effort, compared to conventional gearsets which require multiple reductions. Worm gears also have fewer moving parts and places for failure than conventional gears. One disadvantage of worm gears is that they are not reversible, which limits their efficiency.
Size of worm gear reducer
Worm gear reducers can be used to decrease the speed of a rotating shaft. They are usually designed with two shafts at right angles. The worm wheel acts as both the pinion and rack. The central cross section forms the boundary between the advancing and receding sides of the worm gear.
The output gear of a worm gear reducer has a small diameter compared to the input gear. This allows for low-speed operation while producing a high-torque output. This makes worm gear reducers great for space-saving applications. They also have low initial costs.
Worm gear reducers are one of the most popular types of speed reducers. They can be small and powerful and are often used in power transmission systems. These units can be used in elevators, conveyor belts, security gates, and medical equipment. Worm gearing is often found in small and large sized machines.
Worm gears can also be adjusted. A dual-lead worm gear has a different lead on the left and right tooth surfaces. This allows for axial movement of the worm and can also be adjusted to reduce backlash. A backlash adjustment may be necessary as the worm wears down. In some cases, this backlash can be adjusted by adjusting the center distance between the worm gear.
The size of worm gear reducer depends on its function. For example, if the worm gear is used to reduce the speed of an automobile, it should be a model that can be installed in a small car.
editor by czh 2022-12-07