Tag Archives: worm reduction gearbox

China best Industrial Helical Worm Bevel Hypoid Planetary Cycloidal Cylindrical Shaft Mounted Reduction Nmrv Drive Motor Gearbox with high quality

Product Description

Industrial Helical Worm Bevel Hypoid Planetary Cycloidal Cylindrical Shaft Mounted Reduction Nmrv Drive Gear Box Reducer Motor Gearbox

Product Description

1. High modular design, rich optional accessories.
2. Compact design and dimension, lightweight.
3. Wide range of ratio, high efficiency, stable running, and low noise level.
4. High output torque, suitable for heavy-duty working conditions and applications.

General Specification

ANG Industrial Gearbox
Type	Helical Worm Bevel Hypoid Planetary Cycloidal Cylindrical Shaft Mounted
Structure	Coaxial center shaft type, parallel shaft type, 90 degree right angle type
Input power	0.06KW ~ 8000 KW;
Input speed	750rpm 1000rpm 1500rpm 3000rpm at 50Hz, 900rpm 1200rpm 1800rpm 3600rpm at 60Hz
Reduction ratio	1/3.5 ~ 1/4000
Output torque	3 ~ 900kN.m
Install type	Foot / CHINAMFG shaft / Hollow shaft / Output flange…
Efficiency	Single-stage 98%, 2-stage 96%, 3-stage 94%, 4-stage 92%
Precision of gear	Accurate grinding, class 6
Accessories	Foot base / Torque arm / Cooling fan / Cooling coil / Oil pump / Compensation tank …
Options	Easily combined with other gearboxes, such as helical, worm, bevel, or helical-bevel gearbox

Typical Applications

Coal mining
Power Plant Equipment
Metallurgical Industry
Metal Forming Machinery
Petrochemical Industry
Mining Machine
Hoisting Machinery
Cement and Construction Industry
Environmental Protection Industry
Cable Industry
Chemical industry
Food Machinery
Paper Machinery

Application:	Motor, Machinery, Marine, Agricultural Machinery, Conveyor Presser Aerator Pump Turbine Extruder
Function:	Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial or Right Angle or Parallel Shaft

Samples:	US$ 100/Piece 1 Piece(Min.Order) \| Order Sample Blue or grey

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.

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

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 best Industrial Helical Worm Bevel Hypoid Planetary Cycloidal Cylindrical Shaft Mounted Reduction Nmrv Drive Motor Gearbox with high quality
editor by CX 2024-05-16

China Standard Motovario-Like Nmrv Series Aluminium Alloy Worm Speed Reduction Gearbox cycloidal gearbox

Product Description

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:	Industry
Function:	Speed Reduction
Hardness:	Hardened
Type:	Worm and Wormwheel
Output Speed:	14-280rpm
Input Speed:	1400rpm

Customization:	Available \| Customized Request

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

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

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 Standard Motovario-Like Nmrv Series Aluminium Alloy Worm Speed Reduction Gearbox cycloidal gearbox
editor by CX 2024-05-14

China Custom Motovario Version Nmrv Speed Reduction Worm Gearbox gearbox definition

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:	Industry
Function:	Speed Reduction
Layout:	Coaxial
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Single-Step

Customization:	Available \| Customized Request

nmrv gearbox

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.

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.

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.

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

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 Custom Motovario Version Nmrv Speed Reduction Worm Gearbox gearbox definition
editor by CX 2024-05-07

China OEM Nmrv Worm Gearbox with High Reduction Ratio and High Precision RV Series Gear Reducer Motor gearbox adjustment

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

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

Common Problems 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.

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:

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.

China OEM Nmrv Worm Gearbox with High Reduction Ratio and High Precision RV Series Gear Reducer Motor gearbox adjustment
editor by CX 2024-05-07

China Hot selling High Torque Nmrv Worm Reduction Gearbox for Electric AC/DC Motors with high quality

Product Description

High Torque NMRV Worm Reduction Gearbox for DC Motor

With your specific requirements of Flange, Ratio, Shaft,etc, we can suggest the suitable
Wrom Gearbox for you.

We supply all kinds of Worm Gearbox with own factory for more than 15 years.
Contact us to get more details and factory price with very good quality products.

Different Types for your Choice:
NMRV: Hole input with flange
NRV: Shaft input without flange
E: Double extension worm shaft
F: With output flange
VS: With dual input shaft
AS: With single output shaft
AB: With dual output shaft

Product Specification:

Item	Worm Gearbox
Type	NMRV / NRV
Model	NMRV/NRV 25/30/40/50/63/75/90/110/130/150/185
Reduction Ratio	5,7.5,10,15,20,25,30,40,50,60,80,100
Flange	FA / FL or as per your demands
Matching Motor	0.06KW~15KW
Material	Die-casting Aluminum Alloy
Color	Blue /Silver Grey /Customized (pictures only for reference due to light influence)
Flange Standard	PAM / IEC
Accessories	Shaft, Flange, Torque arm, etc
Lubricant	Synthetic Oil or Worm Gear Oil
Usage	Machinery of food stuff, ceramics, chemical, packing, dyeing, wood working, glass industries, etc
Note: 1) please choose from above specifications. 2) If above options can not meet your demands, please send us your requirements(ratio, flange, mounting, application, or a picture of your old one), we will recommond you a suitable type.

Product Parameters:

More Photos:

Detailed Drawing will be confirmed with you before order!

Packaging:

Applications:

Company Profile:

Lunyee Industries Development Co., Ltd. is a leading manufacturer for factory automation (FA) products,
we focus on power transmission and motion control solutions!

Our main production are power transmission products like AC and DC(brush/brushless) gear motor, stepper motor,
high precision planetary gearbox (spur/helical gear) for stepping motor etc.

-WE FOCUS ON CUSTOMER SATISFACTION!

All CHINAMFG people are dedicated in customer satisfaction! We serve our customer by high quality, low price, fast delivery
and quick response on after sales service!

No matter the products are manufactured by CHINAMFG or our sub-contractors, a warranty for quality is available from us!
CHINAMFG use the latest equipment for manufacturing and test!

Exhibition:

Delivery:

Feedbacks:
Rated Products:

FAQ:

Q: Are you trading company or manufacturer?
A: We are the motor manufaturer for 15 years in China.

Q: How to order?
A: send us inquiry → receive our quotation → negotiate details → confirm the sample → CHINAMFG contract/deposit →
mass production →cargo ready → balance/delivery → further cooperation

Q: How about Sample order?
A: Sample is available for you. please contact us for details.

Q: Which shipping way is available?
A: DHL, FedEx, By Sea are available. The other shipping ways are also available, please contact us if you need ship
by the other shipping way.

Q: How long is the deliver, producing and shipping?
A: Deliver time depends on the quantity you order. usually it takes 7-25 working days.

Q: How to confirm the payment?
A: We accept payment by T/T, PayPal, the other payment ways also could be accepted, Please contact us before you
pay by the other payment ways. Also 50% deposit is available, the balance money should be paid before shipping.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness:	Hardened Tooth Surface
Installation:	Customized
Layout:	Right Angle
Gear Shape:	Worm
Step:	Single-Step

Samples:	US$ 18.9/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

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

Using an NMRV Gearbox

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

China Hot selling High Torque Nmrv Worm Reduction Gearbox for Electric AC/DC Motors with high quality
editor by CX 2024-05-03

China Standard Aluminum Gearbox Cast Iron Housing Transmission Drive Motor Shaft Nmrv Smr Series Reduction Helical Cycloidal Cyclo Planetary Worm Gearboxes Speed Gear Reducer gearbox definition

Product Description

Features
1.Wide transmission rate, strong output torque
2.Compact mechanical structure, light weight, small volume&Good heat-dissipating
3.Smooth operation with lower noise or vibration
4.Easy mounting, free linking, high efficiency
5. PERFECT SUBSTITUDE FOR MOTOVARIO AND CHINAMFG PRODUCTS

Applications
Wide range of application,including light industry of food &beverage, Cement,
package,construction material,chemicals and etc.

Technical data:

Model	RV 130 150
Single unit versions	NMRV – fitted for motor flanged coupling, NRV – with input shaft, NMRV-E motor flanged coupling with worm extension shaft, NRV-E with double extension worm shaft,
Power	0.06—-15KW
Single unit reduction ratio	1:5 7.5 80 100
Output torque	2.6—1195N.M
Worm shaft material	20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer 0.5-0.8mm
Worm wheel material	worm mandrel is HT250,and worm ring gear,ZQSn10-1,hardness is 60HRC

After-sale service:
One year warranty,subject to proper operation and installation;free technical support all the time.

/* 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
Hardness:	Hardened
Type:	Worm and Wormwheel

Samples:	US$ 30/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

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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

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.

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.

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.

nmrv gearbox

Maintenance and Service of 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

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 Standard Aluminum Gearbox Cast Iron Housing Transmission Drive Motor Shaft Nmrv Smr Series Reduction Helical Cycloidal Cyclo Planetary Worm Gearboxes Speed Gear Reducer gearbox definition
editor by CX 2024-05-02

China best Chinese Factory of Motovario-Like Nmrv Series Aluminium Worm Reduction Gearbox sequential gearbox

Product Description

High Rpm RV series Aluminum Alloy Worm Gear box NMRV 571-150 Reducer Variable Wheel Drive Speed Reduction Worm Gearbox

Product Parameters

Editing and broadcasting of main materials

1. Body, die-casting aluminum alloy;

2. Worm shaft, 20 Crq steel, high temperature treatment;

3. Worm gear, nickel bronze alloy;

4. Aluminum alloy body, sandblasting and surface anti-corrosion treatment;

5. Cast iron body, painted with bIu RA5571.

Regular center distance specification editing and broadcasting

Center distance: 130 (unit: mm).

Output hole/shaft diameter: 11, 14, 18, 25, 28, 35, 42, 45 (unit: mm)

Products Description

NMRV worm gearbox reducer is a commodity with sophisticated design and continuous improvements, its main features are made of high quality aluminum alloy, light weight and non-rusting, larget output toque, smooth running and low noise, high radiating efficiency, good looking apprearance, derable service life, small volume and suitable for all mounting positions.

Feature
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.

contact-info.html

Model	NMRV571, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130, NMRV150
Ratio	5,7.5,10,15,20,25,30,40,50,60,80,100
Output Torque	1.8-1760Nm
Application	Machinery Industry
Input Speed	900-2800RPM
Output Speed	10-250RPM
Material	Housing: Size 25-110 Is Aluminum Alloy, Size 110-150 Is Cast-Iron
	Worm Wheel: ZCuSn10Pb1
	Worm:20Cr
	Pinion:Tin Bronze
	Output Shaft: Steel-45#
IEC Flange	IEC Standard Flange Or On Customer Request

Detailed Photos

Exploded View:
About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZheJiang province.
Our leading products is full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

/* 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

Hardness:	Hardened Tooth Surface
Installation:	90 Degree
Layout:	Expansion
Gear Shape:	Bevel Gear
Step:	Single-Step
Type:	Gear Reducer

Samples:	US$ 30/Piece 1 Piece(Min.Order) \| Request Sample

nmrv gearbox

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.

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.

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.

nmrv gearbox

Maintenance and Service of 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

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

China best Chinese Factory of Motovario-Like Nmrv Series Aluminium Worm Reduction Gearbox sequential gearbox
editor by CX 2024-04-23

China Professional High Quality Reduction Worm Gear Nmrv Gearbox with Great quality

Product Description

PROFESSIONAL MANUFACTURE
— SINCE 1995

Nmrv Worm Gearbox Electric Motor Reduction Gear Motor Speed Reducer

Chinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy, light

industry,environmental protection, paper making, printing, lifting transport, food industry and so on.

Main Series Product: R series helical gear motor reducer, K series spiral bevel gear reducer, NGW, P series planetary gear reducer, H B series helical gearbox, Z (ZDY, ZLY, ZSY, and ZFY) serial hard tooth surface cylindrical gearbox reducer, D (DBY and DCY) serial hard tooth surface cone gear reducer, cycloidal speed reducer, etc. Meanwhile, map sample processing business can be undertaken.

Product Description

It realized serialization and modularization with compact structure and wide range of transmission ratio.

The transmission efficiency reach up to 96%.

The gear processed by Carburizing, Nitriding & Grinding.

High efficiency, superior performance with less energy consumption High precision gear, steady transmission, low noise, large load capacity, long service life.

Support various of installation method.

Product Parameters

Size

NMRV25

NMRV30

NMRV40

NMRV50

NMRV63

NMRV75

NMRV90

NMRV110

NMRV130

Flange Type

56B14

63B5

71B5

80B5

90B35

100/112B35

132B35

63B14

63B5

71B5

80B5

90B35

100/112B35

170

63B5

71B5

80B5

90B35

Model selection for washing machine Gear Box Transmission:
Closely using the ideal reduction ratio.
Reduction ratio = servo motor speed / reducer output shaft speed
Torque calculation: Torque calculation is very important for the life of reducer, and pay attention to whether the maximum torque value (TP) of acceleration exceeds the maximum load torque of the reducer.
The applicable power is usually the applicable power of the servo models on the market, the applicability of the reducer is very high, the working coefficient can be maintained above 1.2, but the choice can also be based on their own needs to decide. industrial helical gearbox. High quality reduction worm gear nmrv gearbox

Detailed Photos

Chinese Speed Reducer/industrial helical gearbox is a mechanical transmission in many fields of the national economy. The product categories covered by the industry include all kinds of gear reducer, planetary gear reducer and worm reducer, as well as various special transmission devices such as speed increasing device, speed control Devices, including various types of flexible transmission devices, such as compound transmission. Products and services in the field of metallurgy, nonferrous metals, coal, building materials, ships, water conservancy, electricity, construction machinery and petrochemical industries.

In all fields of national economy and national defense industry, gearbox products have a wide range of applications. Food light industry, electric machinery, construction machinery, metallurgy machinery, cement machinery, environmental protection machinery, electronic appliances, road construction machinery, water conservancy machinery, chemical machinery, mining machinery, conveyor machinery, building materials machinery, rubber machinery, petroleum machinery and other industries have strong demand of Reducer products.

Working principle of gear reducer :

When the output speed of the motor of the gear reducer is input from the driving shaft, the small gear of the reducer will move. The large gear is linked with the small gear, so the movement of the small gear will drive the movement of the large gear. The number of teeth is more than the number of teeth on the pinion, so the speed of the big gear will be slower than that of the pinion, and then output through the output shaft of the big gear, thus playing the role of output deceleration.

Packaging & Shipping

Application

Driven machines
Waste water treatment	Thickeners,filter presses,flocculation apparata,aerators,raking equipment,combined longitudinal and rotary rakes,pre-thickeners,screw pumps,water turbines,centrifugal pumps	Dredgers	Bucket conveyors, dumping devices, carterpillar travelling gears, bucket wheel excavators as pick up, bucket wheel excavator for primitive material, cutter head, traversing gears
Chemical industry	Plate bending machines, extruders, dough mills, rubbers calenders, cooling drums, mixers for uniform media, agitators for media with uniform density, toasters, centrifuges	Metal working mills	plate tilters, ingot pushers, winding machines, cooling bed transfer frames, roller straigheners, table continuous intermittent, roller tables reversing tube mills, shears continuous, casting drivers, reversing CHINAMFG mills
Metal working mills	Reversing slabbing mills. reversing wire mills, reversing sheet mills, reversing plate mill, roll adjustment drives	Conveyors	Bucket conveyors, hauling winches, hoists, belt conveyors, good lifts, passenger lifts, apron conveyors, escalators, rail travlling gears
Frequency converters		Reciprocating compressors
Cranes	Slewing gears, luffing gears, travelling gears, hoisting gear, derricking jib cranes	Cooling towers	Cooling tower fans, blowers axial and radial
Cane sugar production	Cane knives, cane mills	Beet sugar production	Beet cossettes macerators, extraction plants, mechanical refrigerators, juice boilers, sugar beet washing machines, sugar beet cutter
Paper machines	Pulper drives	Cableways	Material ropeways, continuous ropeway
Cement industry	Concrete mixer, breaker, rotary kilns, tube mills, separators, roll crushers

Company Profile

Established in 1995 , HangZhou Boji Machinery is a professional manufacturer and exporter that is concerned with the design, development and production of Gearbox Speed Reducer. We are located in HangZhou of ZheJiang Province, with convenient transportation access. With our own brand “TianQi”, all of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our company possesses complete machining center, lathe, gear shaping machine, gear milling machine, gear grinding machine and assembling lines. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.
Besides, In 2005,we attained ISO9001 certification. As a result of our high quality products and outstanding customer service, we have gained a global sales network CHINAMFG South America, Saudi Arabia, Vietnam, Pakistan, Philippines, South Africa and other countries and regions.
With rich export experience, high quality products, competitive prices, good service and in-time delivery, we certain that we can meet all of your requirement and exceed your expectations. Our feature is bright with new cooperative relationships with companies from all over the world. We look CHINAMFG to speaking with you to future discuss how we can be of service to you.

FAQ

1. Who are we?
We are the Factory, with over 25 years of production experience, based in ZheJiang , China, start from 1995,sell to Domestic Market(50.00%),Mid East(10.00%),Southeast Asia(10.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),North America(3.00%),Africa(2.00%),Southern Europe(2.00%),South Asia(2.00%),Central America(1.00%).

2. Can you customize according to our requirements?
Yes, we can design nonstandard products according to customer’s drawing and sample.

3.What can you buy from us?
speed reducer,gearbox,gear motor,pump,crusher

4. Why should you buy from us not from other suppliers?
Founded in 1995, with over 20 years of production experience and credibility. With professional engineer team, advanced technology production and skilled workers.Specialized in the production of reducer. Map sample processing business can be undertaken.

5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Machinery, Manufacturing Plant
Function:	Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Transmission
Layout:	Worm Gear

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Order Sample gearbox Reduction Gear Motor Speed Reducer

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

Calculating Torque Requirements for an NMRV Gearbox

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

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

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

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

nmrv gearbox

Lifespan of an NMRV Gearbox

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 High Quality Reduction Worm Gear Nmrv Gearbox with Great quality
editor by CX 2024-04-19

China high quality Nmrv/Nrv Worm Reduction Gearbox for Ceramic Tile Making Machine gearbox engine

Product Description

item	value
Warranty	1 year
Applicable Industries	Manufacturing Plant, Construction works , Energy & Mining, Other
Customized support	OEM
Gearing Arrangement	Worm
Place of CHINAMFG	ZheJiang , China
Input speed	1500
Output speed	1.3-193rpm
Product name	Udl Variable Speed
MOQ	10pcs
Color	Customization

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:	Horizontal Type
Step:	Stepless

Samples:	US$ 65/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

nmrv gearbox

Using NMRV Gearboxes in High-Load Applications

nmrv gearbox

Lifespan of an NMRV Gearbox

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.

China high quality Nmrv/Nrv Worm Reduction Gearbox for Ceramic Tile Making Machine gearbox engine
editor by CX 2024-04-17

China manufacturer Nmrv Series Worm Reduction Gearbox with Great quality

Product Description

NMRV – Sizes:–150
Input Options: with input shaft, With Square flange,With Input Flange
Input Power 0.06 to 11 kW
NMRV-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

Model	Output Torque	Output Shaft Dia.
NMRV030	21N.m	φ14
NMRV040	45N.m	φ19
NMRV050	84N.m	φ25
NMRV063	160N.m	φ25
NMRV075	230N.m	φ28
NMRV090	410N.m	φ35
NMRV105	630N.m	φ42
NMRV110	725N.m	φ42
NMRV130	1050N.m	φ45
NMRV150	1550N.m	φ50

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 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.
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. 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.
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.

Matching Power Form

Detailed Photos

Packaging & Shipping

Certifications

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Application:	Motor, Machinery, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	90 Degree
Layout:	Coaxial
Gear Shape:	Cylindrical Gear
Step:	Single-Step

Samples:	US$ 40/Piece 1 Piece(Min.Order) \| Request Sample

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.

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

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

nmrv gearbox

Lifespan of an NMRV Gearbox

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.

China manufacturer Nmrv Series Worm Reduction Gearbox with Great quality
editor by CX 2024-04-09