Product Description
Small worm gear electric motor
Description:
RV series Small worm gear box is a new-generation of products developed by our factory on the basis of perfecting WJ series products with compromise of advanced technology both at home and abroad. Small worm aluminium box appearance adopts advanced square box type structure. Its outer body is made of high quality, aluminium alloy die casting into forming. Small worm gearbox has the characteristics of small volume, light weight, high in radiating efficiency, large in output torque, smooth in running, stable transmission with low noise. It is beautiful and durable and it’s suitable for omni-bearing installation. It’s widely applied in light industry, chemicals, food, packing, pharmaceuticals etc.
Hot sale RV gear motor Characteristics:
1. Nmrv Small worm gear box
2. High quality bearings prevent leaks, contribute to flexibility in mountin-g and increase reducer life
3. NEMA and IEC motors inputs
4. Double-lip oil seals
5. O-rings are used to prevent leaks
6. Standard hollow output bore and optional plug in shafts provide greater flexibility.
7. Automated manufacturing process from an ISO9001 certified company assures quality, reliable gearing.
NMRV Small worm gear box Technical data:
Output torque: 4 – 1379 N. M
Model: RV 30-130
Speed ratio: 7.5 – 100
Input power 0.06 – 9.2 kw
Packaging & Shipping
Product package: Standard package, Package is wooden case, Or according to required.
Nmrv worm speed reducer Warranty Terms:
1.12 Months guarantee will be offered.
2. We will react during 24 hours after received the email required to ensure the recovery of buyer’s production line first.
3. The engineers will provide the trainings for operation, maintenace fix skill to make the workers better understanding
4. Free parts replacement in the warranty period.
Company Information:
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.
/* 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: | Industry |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Bevel Gear |
| Step: | Three-Step |
| 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.
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.
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 2024-05-07
China wholesaler Nmrv Worm Wheel Gearbox with Motor for Conveyor gearbox and motor
Product Description
RV series Worm Geared Motor 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.
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.
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: | Machinery, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Layout: | Worm Gear |
| Hardness: | Hardened Tooth Surface |
| Installation: | Flange, Shaft, Torque Arm |
| 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.
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.
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 2024-04-11
China best Worm Drive Nmrv Gear Reducer Speed Reduction Aluminum Gearbox for AC Motor gearbox and motor
Product Description
Worm Drive Nmrv Gear Reducer Speed Reduction Aluminum Gearbox for AC Motor
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 photo:
Specification for worm gearbox:
| 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 … |
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. 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 product need 5-30days, a bit longer for customized products.
Q: Do you provide technology support?
A: Yes. Our company have design and development team, we can provide technology support if you
need.
Q: How to ship to us?
A: It is available by air, or by sea, or by train.
Q: How to pay the money?
A: T/T and L/C is preferred, with different currency, including USD, EUR, RMB, etc.
Q: How can I know 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 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(/(.*?):(.*)$/))&&1
| Application: | Machinery |
|---|---|
| Function: | Change Drive Torque, Speed Reduction |
| Layout: | Right Angle |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | Order Sample For machinery/motor
|
|---|
| 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.
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 2024-04-03
China supplier Nmrv 025-150 Worm Gear Box with Flange and Electric Motor gearbox drive shaft
Product Description
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
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.
Main Materials of RV Series Worm Gearbox
1. Housing: die-cast aluminum alloy(frame size: 571 to 090), cast iron(frame size: 110 to 150).
2. Worm: 20Crm, carbonization quencher heat treatment makes the surface hardness of worm gears up to 56-62 HRX, retain carbonization layer’s thickness between 0.3 and 0.5mm after precise grinding.
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 | |||||||
Product picture:
Structure:
Certificate:
Packing & Delivery:
Our company :
AOKMAN was founded in 1982, which has more than 36 years in R & D and manufacturing of gearboxes, gears, shaft, motor and spare parts.
We can offer the proper solution for uncountable applications. Our products are widely used in the ranges of metallurgical, steel, mining, pulp and paper, sugar and alcohol market and various other types of machines with a strong presence in the international market.
AOKMAN has become a reliable supplier, able to supply high quality gearboxes.With 36 years experience, we assure you the utmost reliability and security for both product and services.
Customer visiting:
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. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Industry |
|---|---|
| Function: | Speed Changing, Speed Reduction |
| Layout: | Orthogonal |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| 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.
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 2024-01-31
China Standard ND Hydraulic Motor Reducer Gearbox for Fertilizing and Spreading Truck with high quality
Product Description
Product Description
Company Profile
In 2571, HangZhou CZPT Machinery Co.,ltd was established by Ms. Iris and her 2 partners(Mr. Tian and Mr. Yang) in HangZhou city(ZHangZhoug province, China), all 3 Founders are engineers who have more than averaged 30 years of experience. Then because the requirements of business expansion, in 2014, it moved to the current Xihu (West Lake) Dis. Industrial Zone (HangZhou city, ZHangZhoug province, China).
Through our CZPT brand ND, CZPT Machinery delivers agricultural solutions to agriculture machinery manufacturer and distributors CZPT through a full line of spiral bevel gearboxes, straight bevel gearboxes, spur gearboxes, drive shafts, sheet metal, hydraulic cylinder, motors, tyre, worm gearboxes, worm operators etc. Products can be customized as request.
We, CZPT machinery established a complete quality management system and sales service network to provide clients with high-quality products and satisfactory service. Our products are sold in 40 provinces and municipalities in China and 36 countries and regions in the world, our main market is the European market.
Certifications
Our Factory
Sample Room
Why choose us?
1) Customization: With a strong R&D team, and we can develop products as required. It only takes up to 7 days for us to design a set of drawings. The production time for new products is usually 50 days or less.
2) Quality: We have our own complete inspection and testing equipment, which can ensure the quality of the products.
3) Capacity: Our annual production capacity is over 500,000 sets, also, we also accept small quantity orders, to meet the needs of different customer’s purchase quantities.
4) Service: We focus on offering high-quality products. Our products are in line with international standards and are mainly exported to Europe, Australia, and other countries and regions.
5) Shipment: We are close to HangZhou and ZheJiang ports, to provide the fastest shipping service.
Packaging & Shipping
FAQ
Q: Are you a trading company or manufacturer?
A: We’re factory and providing gearbox ODM & OEM services for the European market for more than 10 years
Q: Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: How long is your delivery time? What is your terms of payment?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization.
For standard products, the payment is: 30% T/T in advance,balance before shipment.
Q: What is the exact MOQ or price for your product?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.
Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.
If you have another question, please feel free to contact us.
| Application: | Machinery, Agricultural Machinery |
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| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Straight or Spiral Bevel Gear |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Customization: |
Available
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Worm gear reducer gearbox
A worm gear reducer gearbox is a gear reducer gearbox that uses a worm gear train to reduce the required force. Unlike traditional gear reducer gearboxes, these units are small and require low horsepower ratings. This reduces their efficiency, but their low cost and compact design help make up for this shortcoming. However, these gear reducer gearboxes have some drawbacks, including their tendency to lock up when reversing.
high efficiency
High-efficiency worm reducer gearboxes are ideal for applications where high performance, repeatability, and accuracy are critical. It consists of an input hypoid gear and an output hypoid bevel gear. The input worm rotates perpendicular to the output worm, so for every revolution of the input worm, the output gear makes one revolution. This arrangement reduces friction (another source of energy loss) in a high-efficiency worm gear to at least two arc minutes.
Compared with worm gear reducer gearboxes, hypoid gearmotors offer several advantages, including lower operating costs and higher efficiency. For example, hypoid gear motors can transmit more torque even at high reduction ratios. Also, they are more efficient than worm gear reducer gearboxes, which means they can produce the same output with a smaller motor.
In recent years, the efficiency of worm gear reducer gearboxes has been dramatically improved. Manufacturers have made great strides in materials, design, and manufacturing. New designs, including dual-enveloping worm gear reducer gearboxes, increase efficiency by 3 to 8 percent. These improvements were made possible through countless hours of testing and development. Worm gear reducer gearboxes also offer lower initial costs and higher overload capability than competing systems.
Worm gear reducer gearboxes are popular because they provide maximum reduction in a small package. Their compact size makes them ideal for low to medium-horsepower applications and they are reticent. They also offer higher torque output and better shock load tolerance. Finally, they are an economical option to reduce the device’s power requirements.
low noise
Low-noise worm gear reducer gearboxes are designed to reduce noise in industrial applications. This type of reducer gearbox uses fewer bearings and can work in various mounting positions. Typically, a worm reducer gearbox is a single-stage unit with only one shaft and one gear. Since there is only one gear, the noise level of the worm gear reducer gearbox will be lower than other types.
A worm gear reducer gearbox can be integrated into the electric power steering system to reduce noise. Worm reducer gearboxes can be made and from many different materials. The following three-stage process will explain the components of a low-noise worm reducer gearbox.
Worm gear reducer gearboxes can be mounted at a 90-degree angle to the input worm shaft and are available with various types of hollow or solid output shafts. These reducer gearboxes are especially beneficial for applications where noise reduction is essential. They also have fewer parts and are smaller than other types of reducer gearboxes, making them easier to install.
Worm gear reducer gearboxes are available from various manufacturers. Due to their widespread availability, gear manufacturers maintain extensive inventories of these reducer gearboxes. The worm gear ratio is standard, and the size of the worm gear reducer gearbox is universal. Also, worm gear reducer gearboxes do not need to be sized for a specific purpose, unlike other load interruptions.
A worm gear reducer gearbox is a transmission mechanism with a compact structure, large transmission ratio, and self-locking function under certain conditions. The worm gear reducer gearbox series products are designed with American technology and have the characteristics of stable transmission, strong bearing capacity, low noise, and compact structure. In addition, these products can provide a wide range of power supplies. However, these worm reducer gearboxes are prone to leaks, usually caused by design flaws.
Worm gear reducer gearboxes are available in single-stage and double-stage. The first type consists of an oil tank that houses the worm gear and bearings. The second type uses a worm gear with a sleeve for the first worm gear.
When choosing a gear reducer gearbox, it is essential to choose a high-quality unit. Improper gear selection can cause rapid wear of the worm gear. While worm gear reducer gearboxes are generally durable, their degree of wear depends on the selection and operating conditions. For example, overuse, improper assembly, or working in extreme conditions can lead to rapid wear.
Worm reducer gearboxes reduce speed and torque. Worm gears can be used to reduce the speed of rotating machines or inertial systems. Worm gears are a type of bevel gear, and their meshing surfaces have great sliding force. Because of this, worm gears can carry more weight than spur gears. They are also harder to manufacture. However, the high-quality design of the worm gear makes it an excellent choice for applications requiring high torque and high-speed rotation.
Worm gears can be manufactured using three types of gears. For large reduction ratios, the input and output gears are irreversible. However, the worm reducer gearbox can be constructed with multiple helices. The multi-start worm drive also minimizes braking effects.
Self-locking function
The worm reducer gearbox is self-locking to prevent the load from being driven back to the ground. The self-locking function is achieved by a worm that meshes with the rack and pinion. When the load reaches the highest position, the reverse signal is disabled. The non-locking subsystem back-drives the load to its original position, while the self-locking subsystem remains in its uppermost position.
The self-locking function of the worm reducer gearbox is a valuable mechanical feature. It helps prevent backing and saves the cost of the braking system. Additionally, self-locking worm gears can be used to lift and hold loads.
The self-locking worm gear reducer gearbox prevents the drive shaft from driving backward. It works with the axial force of the worm gear. A worm reducer gearbox with a self-locking function is a very efficient machine tool.
Worm gear reducer gearboxes can be made with two or four teeth. Single-ended worms have a single-tooth design, while double-ended worms have two threads on the cylindrical gear. A multi-boot worm can have up to four boots. Worm reducer gearboxes can use a variety of gear ratios, but the main advantage is their compact design. It has a larger load capacity than a cross-shaft helical gear mechanism.
The self-locking function of the worm reducer gearbox can also be used for gear sets that are not necessarily parallel to the shaft. It also prevents backward travel and allows forward travel. The self-locking function is achieved by a ratchet cam arranged around the gear member. It also enables selective coupling and decoupling between gear members.
high gear ratio
Worm reducer gearboxes are an easy and inexpensive way to increase gear ratios. These units consist of two worm gears – an input worm gear and an output worm gear. The input worm rotates perpendicular to the output worm gear, which also rotates perpendicular to itself. For example, a 5:1 worm gearbox requires 5 revolutions per worm gear, while a 60:1 worm gearbox requires 60 revolutions. However, this arrangement is prone to inefficiency since the worm gear experiences only sliding friction, not rolling friction.
High-reduction applications require many input revolutions to rotate the output gear. Conversely, low input speed applications suffer from the same friction issues, albeit with a different amount of friction. Worms that spin at low speeds require more energy to maintain their movement. Worm reducer gearboxes can be used in many types of systems, but only some are suitable for high-speed applications.
Worm gears are challenging to produce, but the envelope design is the best choice for applications requiring high precision, high efficiency, and minimal backlash. Envelope design involves modifying gear teeth and worm threads to improve surface contact. However, this type of worm gear is more expensive to manufacture.
Worm gear motors have lower initial meshing ratios than hypoid gear motors, which allows the use of smaller motors. So a 1 hp worm motor can achieve the same output as a 1/2 hp motor. A study by Agknx compared two different types of geared motors, comparing their power, torque, and gear ratio. The results show that the 1/2 HP hypoid gear motor is more efficient than the worm gear motor despite the same output.
Another advantage of the worm gear reducer gearbox is the low initial cost and high efficiency. It offers high ratios and high torque in a small package, making it ideal for low to medium-horsepower applications. Worm gear reducer gearboxes are also more shock-resistant.
editor by CX 2023-05-12