China Professional Nmrv Worm Gearbox for Food & Beverages Industry wholesaler

Product Description

Technical Features

  The high degree of modularity is a design feature of SRC helical gearboxes range. It can be connected respectively with motors such as normal motor, brake motor, explosion-proof motor, frequency conversion motor, servo motor, IEC motor and so on. This kind of product is widely used in drive fields such as textile, foodstuff, ceramics packing, logistics, plastics and so on. It is possible to set up the version required using flanges or feet.
 

 

Products characteristics 

  SRC series helical gear units has more than 4 types. Power 0.12-4kw; Ratio 3.66-54; Torque max 120-500Nm. It can be connected (foot or flange) discretionary and use multi-mounting positions according to customers requirements.

Ground-hardened helical gears;

Modularity,can be combined in many forms;

Aluminium casing, light weight;

Gears in carbonize hard, durable;

Universal mounting;

Refined design,space effective and low noise

Structure feature

Model illuminate

1

Code for gear units series

2

No F code means foot mounted.With F code B5 flange mounted.With Z code B14 flange mounted

3

Specification code of gear units 01

4

I,II,III,B5 Output flange specification,default I not to write out is ok  

5

IEC: Input flange  HS: shaft input

6

Transmission ratio of gear units

7

M1:Mounting position, default mounting position M1 not to write out is ok

8

Position diagram for motor terminal box,default position o°(R) not to write out is ok

9

No mark means without motor   Model motor(poles of power)

10

Voltage - frequency

11

Coil in position for motor, default position S not to write out is ok

 

 

4.2 Rotation speed n

 

n1 Gear units input speed

 

n2 Gear units output speed

 

  If driven by the external gearing,1400r/min or lower rotation speed is suggested so as to optimize the working conditions and prolong the service life.Higher input rotation speed is permitted, but in this situation,the rated torque M2 will be reduced
   

 

4.5 Service factor fs

 

The effect of the driven machine on the gear unit is taken into account to a sufficient level of accuracy using the service factor fs. The service factor is determined according to the daily operation time and the starting frequency Z. Three load classifications are considered depending on the mass acceleration factor. You can read off the service factor applicable to your application in following figure. The service factor selected using this diagram must be less than or equal to the service factor as given in the performance parameter table.

 

* starting frequency Z: The cycles include all starting and braking procedures as well as change overs from low to high speed

 

SRC02..(HS)  Performance parameter

 

kw

Output speed

Torque

Speed ratio

fs

Model

IEC

0.37

16.7rpm

204N.M

54

1.0

SRC02

80B5/B14

 

 

Helical gearbox outline dimension heet

Foot Code U V V1 V2 V3 W X X1 Y Z
B02 18 107.5 60 - 130 11 136 155 100 17
M02 25 85 - 110 120 9 112 145 80 15
M01 18 80 - 110 120 9 118 145 80 15
B01 18 87 50 110 - 9 118 130 90 15

SRC helical gearbox with motor mounting position and terminal box orientation

Package
1 pc / carton,several cartons / wooden pallet

/* 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
Layout: Cycloidal
Hardness: Soft Tooth Surface
Installation: Vertical Type
Step: Stepless
Type: Worm Gear Box
Customization:
Available

|

Customized Request

nmrv gearbox

Calculating Torque Requirements for an NMRV Gearbox

Calculating torque requirements for an NMRV gearbox involves several steps: Identify Input Torque, Calculate Output Torque, Consider Efficiency, and Add Safety Margin.

  1. Identify Input Torque: Determine the input torque required by the application, taking into account factors such as load, speed, and efficiency.
  2. Calculate Output Torque: Use the gear ratio of the NMRV gearbox to calculate the output torque needed to achieve the desired output speed.
  3. Consider Efficiency: Take into account the efficiency of the NMRV gearbox. The actual output torque will be influenced by the gearbox's mechanical efficiency.
  4. Add Safety Margin: To ensure reliable performance and account for variations in operating conditions, it's recommended to add a safety margin to the calculated torque requirements.

Formula to calculate output torque: Output Torque = Input Torque × Gear Ratio × Gearbox Efficiency

Keep in mind that torque requirements can vary based on the specific application and factors such as load type, duty cycle, and environmental conditions. Consulting with gearbox manufacturers or engineering experts can help ensure accurate torque calculations for your NMRV gearbox application.

nmrv gearbox

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.

nmrv gearbox

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:

  1. Prepare the Workspace: Ensure you have a clean and organized workspace with the necessary tools and equipment.
  2. Positioning: Place the NMRV gearbox in the desired position on your machinery, making sure it aligns with the input and output components.
  3. 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.
  4. Mounting: Securely mount the NMRV gearbox to the machinery frame using appropriate fasteners. Follow the manufacturer's recommendations for torque specifications.
  5. 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.
  6. Output Coupling: Similarly, connect the output shaft of the gearbox to the driven component using an appropriate coupling.
  7. Lubrication: Before operation, make sure to fill the gearbox with the recommended lubricant to ensure proper gear meshing and reduce friction.
  8. 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.

China Professional Nmrv Worm Gearbox for Food & Beverages Industry   wholesaler China Professional Nmrv Worm Gearbox for Food & Beverages Industry   wholesaler
editor by CX 2024-05-09

China OEM Nmrv Worm Reducer Gearbox gearbox assembly

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
  • 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 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

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Application: Motor, Machinery, Agricultural Machinery
Function: Speed Reduction
Layout: Corner
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step
Customization:
Available

|

Customized Request

nmrv gearbox

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.

nmrv gearbox

Benefits of Using an NMRV Gearbox

NMRV gearboxes offer several advantages that make them a popular choice in various applications:

  • Compact Design: NMRV gearboxes are compact and space-efficient, making them suitable for installations with limited space.
  • High Efficiency: These gearboxes are designed for high efficiency, minimizing energy losses during power transmission.
  • Smooth Operation: NMRV gearboxes provide smooth and reliable operation due to their precise gear meshing and design.
  • Quiet Performance: The design and quality of NMRV gearboxes contribute to quiet operation, reducing noise levels in various applications.
  • Cost-Effective: Their efficient manufacturing processes and durability make NMRV gearboxes a cost-effective choice for power transmission.
  • Wide Ratio Range: NMRV gearboxes are available in a wide range of gear ratios, allowing users to select the most suitable option for their specific application needs.
  • Corrosion Resistance: Many NMRV gearboxes are constructed using materials that offer corrosion resistance, enhancing their longevity and performance in harsh environments.
  • Easy Installation: The compact and lightweight design of NMRV gearboxes makes them relatively easy to install and integrate into various systems.
  • Low Maintenance: With proper lubrication and maintenance, NMRV gearboxes can have a long service life with minimal maintenance requirements.
  • Versatility: NMRV gearboxes are versatile and can be used in a wide range of applications, from industrial machinery to conveyor systems.

These benefits collectively contribute to the popularity of NMRV gearboxes in industries where efficient and reliable power transmission is crucial.

nmrv gearbox

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.

China OEM Nmrv Worm Reducer Gearbox   gearbox assembly	China OEM Nmrv Worm Reducer Gearbox   gearbox assembly
editor by CX 2024-05-08

China Professional Worm Gear Reducer Nmrv Gear Box gearbox definition

Product Description

Nmrv Worm Transmission Reductor Applied for Worm Speed Gearbox

Characteristics

(1)Large output torque

(2) Safe, reliable, economical and durable
(3) Stable transmission, quiet operation

(4) High heat-radiating efficiency, high carrying ability
(5) Combination of 2 single-step worm gear speed reducers, meeting the requirements of super speed ratio

(6) Mechanical gearboxes are widely used in the sectors,like foodstuff, ceramics, and chemical manufacturing, as well as packing, printing, dyeing and plastics

Technical data

(1) Motor input power:0.06kw-15kw

(2)  Output torque:17-1971N.M

(3)  Speed ratio of worm gear peed reducer: 5/10/15/20/25/30/40/50/60/80/100

(4)  With IEC motor input flange: 56B14/71B14/80B5/90B5

Materials

(1)   NMRV571-NMRV090: Aluminium alloy housing

(2)   NMRV110-150: Cast iron housing

(3)   Bearing: CHINAMFG bearing & Homemade bearing

(4)   Lubricant: Synthetic & Mineral

(5)  The material of the worm mandrel is HT250, and the worm ring gear is ZQSn10-1.

(6)  With high quality homemade bearings, assembled CHINAMFG oil seals & filled with high quality lubricant.

Operation&mantenance

(1)When worm speed reducer starts to work up to200-400 hours, its lubricant should be replaced.

(2)The gearbox need to replace the oil after 4000 hours.

(3)Worm reduction gearbox is fully filled with lubricant oil after finshed assembly.

(4)Lubricanting oil should be kept enough in the casing and checked at a fixed time.

Color

(1)   Blue / Light blue

(2)   Silvery White

Quality control

(1)  Quality guarantee: 1 year

(2)  Certificate of quality: ISO9001:2000

(3)   Every product must be tested before sending

/* 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
Layout: Coaxial
Hardness: Hardened
Samples:
US$ 23/Piece
1 Piece(Min.Order)

|

Order Sample

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.

nmrv gearbox

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:

  1. Identify the Noise: Listen closely to the noise and determine if it's a grinding, whining, or knocking sound.
  2. Check Lubrication: Insufficient or contaminated lubrication can lead to noises. Ensure the gearbox is properly lubricated.
  3. Inspect Gears: Examine the gear teeth for wear, damage, or misalignment.
  4. Look for Foreign Objects: Foreign objects inside the gearbox can cause noise. Clean and inspect the interior.
  5. Check Bearings: Worn or damaged bearings can be noisy. Inspect and replace them if necessary.
  6. Inspect Seals: Damaged seals can allow contaminants in, affecting performance. Replace damaged seals.
  7. Examine Housing: Ensure the gearbox housing is intact without cracks or misalignment.
  8. Review Load Conditions: Excessive loads can lead to noise. Ensure the gearbox isn't overloaded.
  9. Check Mounting: Confirm the gearbox is properly mounted and aligned.
  10. Consult Guidelines: Refer to manufacturer guidelines for specific troubleshooting steps.
  11. 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.

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.

nmrv gearbox

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:

  1. Prepare the Workspace: Ensure you have a clean and organized workspace with the necessary tools and equipment.
  2. Positioning: Place the NMRV gearbox in the desired position on your machinery, making sure it aligns with the input and output components.
  3. 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.
  4. Mounting: Securely mount the NMRV gearbox to the machinery frame using appropriate fasteners. Follow the manufacturer's recommendations for torque specifications.
  5. 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.
  6. Output Coupling: Similarly, connect the output shaft of the gearbox to the driven component using an appropriate coupling.
  7. Lubrication: Before operation, make sure to fill the gearbox with the recommended lubricant to ensure proper gear meshing and reduce friction.
  8. 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.

China Professional Worm Gear Reducer Nmrv Gear Box   gearbox definition		China Professional Worm Gear Reducer Nmrv Gear Box   gearbox definition
editor by CX 2024-05-08

China best Nmrv Series Industrial Speed Reduction Gearbox with Motor Chinese Blue OEM Worm Reducer gearbox design

Product Description

NMRV Series Industrial Speed Reduction Gearbox with Motor Chinese Blue OEM Worm Reducer
 

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 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 gear unit with customization?
A: Yes, we can customize as you requested, 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 do you ship to us?
A: It is available by air, by sea, or by train.

Q: How to pay the money?
A: T/T and L/C are preferred, with a different currency, including USD, EUR, RMB, etc.

Q: How can I know if the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.

Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.

Q: How shall we contact you?
A: You can send an inquiry directly, and we will respond within 24 hours. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

Order Sample

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.

nmrv gearbox

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.

nmrv gearbox

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

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.

China best Nmrv Series Industrial Speed Reduction Gearbox with Motor Chinese Blue OEM Worm Reducer   gearbox design		China best Nmrv Series Industrial Speed Reduction Gearbox with Motor Chinese Blue OEM Worm Reducer   gearbox design
editor by CX 2024-05-07

China factory Nmrv Worm Gearbox with Output Shaft gearbox engine

Product Description

SMRV series worm-gear speed reducer is a new-generation of products developed by our company with combination of advanced by technology both at home and abroad.

Characteristics:
(1)Large output torque
(2) Safe, reliable, economical and durable
(3) Stable transmission, quiet operation
(4) High heat-radiating efficiency, high carrying ability
(5) Combination of 2 single-step worm gear speed reducers, meeting the requirements of super speed ratio
(6) Mechanical gearboxes are widely used in the sectors,like foodstuff, ceramics, and chemical manufacturing, as well as packing, printing, dyeing and plastics

 Technical data:
(1) Motor input power:0.06kw-15kw
(2)  Output torque:4-2320N.M
(3)  Speed ratio of worm gear peed reducer: 5/10/15/20/25/30/40/50/60/80/100
(4)  With IEC motor input flange: 56B14/71B14/80B5/90B5…

 Materials:
(1)   NMRV571-NMRV090: Aluminium alloy housing
(2)   NMRV110-150: Cast iron housing
(3)   Bearing: CHINAMFG bearing & Homemade bearing
(4)   Lubricant: Synthetic & Mineral
(5)  The material of the worm mandrel is HT250, and the worm ring gear is ZQSn10-1.
(6)  With high quality homemade bearings, assembled CHINAMFG oil seals & filled with high quality lubricant.

Operation&mantenance
(1)When worm speed reducer starts to work up to200-400 hours, its lubricant should be replaced.
(2)The gearbox need to replace the oil after 4000 hours.
(3)Worm reduction gearbox is fully filled with lubricant oil after finshed assembly.
(4)Lubricanting oil should be kept enough in the casing and checked at a fixed time.
 Color:
(1)   Blue / Light blue
(2)   Silvery White
 Quality control
(1)  Quality guarantee: 1 year
(2)  Certificate of quality: ISO9001:2000
(3)   Every product must be tested before sending

Motor power  Model speed ratio output speed output toruqe
0.06kw 1400rpm NMRV030 5 280rpm  2.0N.M
NMRV030 7.5 186rpm  2.6N.M
NMRV030 10 140rpm  3.3N.M
NMRV030 15 94rpm  4.7N.M
NMRV030 20 70rpm  5.9N.M
NMRV030 25 56rpm  6.8N.M
NMRV030 30 47rpm  7.9N.M
NMRV030 40 35rpm  9.7N.M
NMRV030 50 28rpm 11.0N.M
NMRV030 60 24rpm 12.0N.M
NMRV030 80 18rpm 14.0N.M
0.09kw 1400rpm NMRV030 5 280rpm  2.7N.M
NMRV030 7.5 186rpm  3.9N.M
NMRV030 10 140rpm  5.0N.M
NMRV030 15 94rpm  7.0N.M
NMRV030 20 70rpm  8.8N.M
NMRV030 25 56rpm 10.0N.M
NMRV030 30 47rpm 12.0N.M
NMRV030 40 35rpm 14.0N.M
NMRV030 50 28rpm 17.0N.M
NMRV030 60 24rpm 18.0N.M
0.12kw 1400rpm NMRV030 5 280rpm  3.6N.M
NMRV030 7.5 186rpm  5.2N.M
NMRV030 10 140rpm  6.6N.M
NMRV030 15 94rpm  9.3N.M
NMRV030 20 70rpm 12.0N.M
NMRV030 25 56rpm 14.0N.M
NMRV030 30 47rpm 16.0N.M
NMRV030 40 35rpm 19.0N.M
NMRV030 50 28rpm 22.0N.M
0.18kw 1400rpm NMRV030 5 280rpm  5.3N.M
NMRV030 7.5 186rpm  7.7N.M
NMRV030 10 140rpm 10.0N.M
NMRV030 15 94rpm 14.0N.M
NMRV030 20 70rpm 18.0N.M
NMRV030 25 56rpm 20.0N.M
NMRV030 30 47rpm 24.0N.M

/* 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: Reducer
Function: Speed Reduction
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Single-Step
Customization:
Available

|

Customized Request

nmrv gearbox

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.

nmrv gearbox

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.

nmrv gearbox

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:

  1. Prepare the Workspace: Ensure you have a clean and organized workspace with the necessary tools and equipment.
  2. Positioning: Place the NMRV gearbox in the desired position on your machinery, making sure it aligns with the input and output components.
  3. 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.
  4. Mounting: Securely mount the NMRV gearbox to the machinery frame using appropriate fasteners. Follow the manufacturer's recommendations for torque specifications.
  5. 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.
  6. Output Coupling: Similarly, connect the output shaft of the gearbox to the driven component using an appropriate coupling.
  7. Lubrication: Before operation, make sure to fill the gearbox with the recommended lubricant to ensure proper gear meshing and reduce friction.
  8. 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.

China factory Nmrv Worm Gearbox with Output Shaft   gearbox engineChina factory Nmrv Worm Gearbox with Output Shaft   gearbox engine
editor by CX 2024-05-07

China Hot selling Nmrv Series Worm Gear Speed Redcers/Gearbox car gearbox

Product Description

item

value

Warranty

1 year

Applicable Industries

Manufacturing Plant, Construction works , Energy & Mining, Other

Customized support

OEM

Gearing Arrangement

Worm

Output Torque

   118-160N.M

Place of CHINAMFG

ZheJiang , China

Input speed

  1400rpm

Output speed

  14-186.7rpm

Ratio

7.5,10,15,20,25,30,40,50,60,80,100

Material

   Aluminum alloy Die casting

Product name

   NRV Worm Gear Reducer

MOQ

10pcs

Color

Customization

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$ 38/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

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.

nmrv gearbox

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.

nmrv gearbox

Industries Using NMRV Gearboxes

NMRV gearboxes find widespread use in various industries due to their versatility and reliability. Some common industries include:

  • Food and Beverage: NMRV gearboxes are used in conveyor systems, mixers, and packaging equipment.
  • Material Handling: They are employed in conveyor belts, lifting equipment, and automated material handling systems.
  • Automation and Robotics: NMRV gearboxes play a critical role in precise motion control and positioning in robotic systems.
  • Textile: They are used in machinery for spinning, weaving, and fabric processing.
  • Pharmaceutical: NMRV gearboxes are utilized in pill coating machines, mixers, and other pharmaceutical processing equipment.
  • Agriculture: They find applications in irrigation systems, conveyor systems, and various agricultural machinery.
  • Packaging: NMRV gearboxes are used in packaging machinery to ensure controlled movement and accuracy.
  • Automotive: They are used in automated assembly lines and manufacturing processes in the automotive industry.
  • Printing: NMRV gearboxes contribute to precise movement and synchronization in printing machinery.
  • Energy: They are employed in wind turbine systems, solar tracking systems, and other renewable energy applications.

The adaptability and efficiency of NMRV gearboxes make them a preferred choice in industries that require reliable and precise power transmission solutions.

China Hot selling Nmrv Series Worm Gear Speed Redcers/Gearbox   car gearbox	China Hot selling Nmrv Series Worm Gear Speed Redcers/Gearbox   car gearbox
editor by CX 2024-05-06

China OEM Silver/Blue Nmrv 110 Worm Gearbox with Nice Appearance wholesaler

Product Description

item

value

Warranty

1 year

Applicable Industries

Manufacturing Plant, Construction works , Energy & Mining, Other

Customized support

OEM

Gearing Arrangement

Worm

Output Torque

   242~767Nm

Place of CHINAMFG

ZheJiang , China

Input speed

   1400RPM

Output speed

   14~186.7rpm

Ratio

7.5,10,15,20,25,30,40,50,60,80,100

  Material    Aluminium Alloy

Product name

  NMRV 110 Worm Gearbox Reducer

MOQ

10pcs

Color

Customization

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$ 44/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

nmrv gearbox

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.

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.

nmrv gearbox

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:

  1. Prepare the Workspace: Ensure you have a clean and organized workspace with the necessary tools and equipment.
  2. Positioning: Place the NMRV gearbox in the desired position on your machinery, making sure it aligns with the input and output components.
  3. 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.
  4. Mounting: Securely mount the NMRV gearbox to the machinery frame using appropriate fasteners. Follow the manufacturer's recommendations for torque specifications.
  5. 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.
  6. Output Coupling: Similarly, connect the output shaft of the gearbox to the driven component using an appropriate coupling.
  7. Lubrication: Before operation, make sure to fill the gearbox with the recommended lubricant to ensure proper gear meshing and reduce friction.
  8. 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.

China OEM Silver/Blue Nmrv 110 Worm Gearbox with Nice Appearance   wholesaler China OEM Silver/Blue Nmrv 110 Worm Gearbox with Nice Appearance   wholesaler
editor by CX 2024-05-03

China OEM Nmrv Worm Speed Reducer Worm Reduction Gearbox Double Input Shaft Worm Gearbox best automatic gearbox

Product Description

Product Description

The products are widely applied in the producing equipments of all kinds of industries inside and outside China. They are the best choices for nowadays modern facilities of mechanical reducing drive control to realize large twisting distance, large gear ratio, little noise, high efficiency and stability.

Detailed Photos

 

Characteristics

1. Aluminum alloy housing
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.
8. Aluminium housing worm gearbox hollow shaft .

Specification

1) Aluminium Worm reducer ranging from 030 to 090, Cast iron model: RV 110-130
2) Speed ratio: 11 kinds, ranging from 7.5 to 100
3) Input power: Ranging from 0.06 to 7.5 kw
4) Output torque ranges from 4 to 1379 N. m

Model:

NMRV571, 030, 040, 050, 063, 075, 090, 110, 130, 150

Ratio:

1:5,7.5,10,15,20,25,30,40,50,60,80,100

Color:

Blue, Silver Or On Customer Request

Noise:

low noise (<50DB)

Advantage:

Efficient and safe operating

 

 

Material:

Housing: Die-Cast Aluminum Alloy

Worm Gear-Bronze 9-4#

Worm-20CrMnTi with carburizing and quenching, surface harness is 56-62HRC

Shaft-chromium steel-45#

Packing:

Carton and Wooden Case

Bearing:

C&U Bearing

Seal:                      

NAK 

Certificate:

ISO9001,CE,3C,OEM

Warranty:

12 months

Input 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       

Usages:

Industrial Machine: Food Stuff, Ceramics,CHEMICAL,Packing,Dyeing,

Woodworking,Glass.

IEC Flange:

56B5, 56B14, 63B5, 63B14, 71B5, 71B14, 80B5, 80B14, 90B5, 90B14, 100B5, 100B14, 112B5, 112B14, 132B5, 160B5

Lubricant:

Synthetic & Mineral

Packaging & Shipping

1 Prevent from damage.
2. As customers' requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.

FAQ

Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in PDF or AI format.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

/* 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, Industry
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Worm
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step
Customization:
Available

|

Customized Request

nmrv gearbox

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:

  1. Identify the Noise: Listen closely to the noise and determine if it's a grinding, whining, or knocking sound.
  2. Check Lubrication: Insufficient or contaminated lubrication can lead to noises. Ensure the gearbox is properly lubricated.
  3. Inspect Gears: Examine the gear teeth for wear, damage, or misalignment.
  4. Look for Foreign Objects: Foreign objects inside the gearbox can cause noise. Clean and inspect the interior.
  5. Check Bearings: Worn or damaged bearings can be noisy. Inspect and replace them if necessary.
  6. Inspect Seals: Damaged seals can allow contaminants in, affecting performance. Replace damaged seals.
  7. Examine Housing: Ensure the gearbox housing is intact without cracks or misalignment.
  8. Review Load Conditions: Excessive loads can lead to noise. Ensure the gearbox isn't overloaded.
  9. Check Mounting: Confirm the gearbox is properly mounted and aligned.
  10. Consult Guidelines: Refer to manufacturer guidelines for specific troubleshooting steps.
  11. 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.

nmrv gearbox

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.

nmrv gearbox

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.

China OEM Nmrv Worm Speed Reducer Worm Reduction Gearbox Double Input Shaft Worm Gearbox   best automatic gearbox	China OEM Nmrv Worm Speed Reducer Worm Reduction Gearbox Double Input Shaft Worm Gearbox   best automatic gearbox
editor by CX 2024-05-03

China Professional Nmrv Series Worm Gear Box with Iron Castng Body with high quality

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: Oscillating Base Type
Step: Single-Step
Customization:
Available

|

Customized Request

nmrv gearbox

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.

nmrv gearbox

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

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.

China Professional Nmrv Series Worm Gear Box with Iron Castng Body   with high quality China Professional Nmrv Series Worm Gear Box with Iron Castng Body   with high quality
editor by CX 2024-05-02

China Best Sales Aluminium Alloy Cast Iron Nmrv Worm Speed Reducer Gearbox bevel gearbox

Product Description

Characteristics

Excellent ecological design adds luster to your brand image.
Various Product input,output and mounting design to meet your diverse needs.
The FEA design of the casting housing,which improves the running stability by 30% and effectively reduces the noise of the whole machine.
High precision worm hob is used to process worm gear,which optimizes contact area,ensures lower noise and longer lifespan.
Excellent material and heat treatment process improve products reliability and lifespan.
High reliability and long design life can effectively reduce your use and maintenance costs.
Unique modular design,international production ,faster production and delivery.

Product type

Mounting mode:foot mounted, flange mounted, torque arm mounted.
Output shaft: CHINAMFG shaft, hollow shaft

RFQ
Q:Are you trading company or manufacturer?
A: We are manufacturer with over 20 years' experience.

Q: How long is your delivery time?
A: Generally it is within 10 days if the goods are in stock, for goods produced as per order, it is within 35 days after confirmation of order.

Q: How long should I wait for the feedback after I send the enquiry?
A: Normally within 12 hours.

Q: What information should I give you to confirm the product?
A: Model/Size, Transmission Ratio, Speed, Shaft directions & Order quantity etc.

Q: Hong long is your product warranty?
A: We offer 12 months warranty from departure date of the goods.

Q: What is your payment terms? T/T 100% in advance for amount less than USD10000.-, 30% T/T in advance , balance before shipment for amount above USD10000.

If you have any other questions, please feel free to contact us below:

HOW TO CONTACT US?
Send your Inquiry Details in the Below, click "Send" Now! /* 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
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Single-Step
Customization:
Available

|

Customized Request

nmrv gearbox

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.

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.

nmrv gearbox

Choosing the Right Size NMRV Gearbox for Your Application

Selecting the appropriate size NMRV gearbox for your application involves considering several important factors:

  • Input Power: Determine the power requirement of your application, including both the input speed and the required output torque.
  • Service Factor: Take into account any potential overloads or unexpected conditions that may occur during operation. Applying a service factor ensures the gearbox can handle occasional peak loads.
  • Output Speed: Calculate the desired output speed of the gearbox. This is crucial for ensuring the gearbox meets the requirements of your application.
  • Operating Conditions: Consider the environmental conditions in which the gearbox will operate, including temperature, humidity, and exposure to dust or chemicals.
  • Mounting and Space: Evaluate the available space for mounting the gearbox and ensure it fits within the allotted dimensions.
  • Shaft Configuration: Determine whether the gearbox requires a specific shaft configuration or if additional components such as couplings are needed.
  • Application Type: Consider the type of application the gearbox will be used in, such as conveyor systems, agitators, mixers, or other specific applications.
  • Load Characteristics: Analyze the load characteristics, including the type of load (constant, intermittent, shock), to ensure the gearbox can handle the load variations.

It's essential to work closely with gearbox manufacturers or distributors who can provide technical support and assist in selecting the right size NMRV gearbox based on your specific application requirements.

China Best Sales Aluminium Alloy Cast Iron Nmrv Worm Speed Reducer Gearbox   bevel gearbox	China Best Sales Aluminium Alloy Cast Iron Nmrv Worm Speed Reducer Gearbox   bevel gearbox
editor by CX 2024-04-30