Tag Archives: nmrv050 gearbox

China Hot selling Nmrv050 Nmrv Series Aluminium Worm Speed Reduction Gearbox gearbox adjustment

Product Description

Product Description

Model No.: NMRV/NRV571, 030, 040, 050, 063, 075, 090, 110, 130
Reduction gear, worm gear, gear reducer
Reduction gear

Features:
1) High quality aluminum alloy die cast gearbox
2) High accuracy worm gear and worm shaft
3) Less noise and lower temperature increase
4) Easy mounting and linking, high efficiency
5) Power: 0.06 – 15kW
6) Output torque: 2.7 – 1, 760Nm
7) Transmission rate: 5 – 100
Inner packing: Carton Outer packing: Wooden case
Reduction gear, worm gear, gear reducer

  model   PAM IEC   N   M P   7.5D   10D   15D   20D   25D   30D   40D   50D 60D    80D
  NMRV030   63B5   95   115   140   11   11   11   11   11   11   11   /   /   /
  NMRV030   63B14   60   75   90   11   11   11   11   11   11   11   /   /   /
  NMRV030   56B5   80   100   120   9   9   9   9   9   9   9   9   9   9
  NMRV030   56B14   50   65   80   9   9   9   9   9   9   9   9   9   9
  NMRV040   71B5   110   130   160   14   14   14   14   14   14   14   /   /   /
  NMRV040 71B14    70   85   105   14   14   14   14   14   14   14   /   /   /
  NMRV040   63B5   95   115   140   11   11   11   11   11   11   11   11 11    11
  NMRV040   63B14   60   75   90   11   11   11   11   11   11   11 11    11   11
  NRMV050   90B5   130   165   200   19   19   19   19   19   /   /   /   /   /
  NRMV050   80B14   80   100   120   19   19   19   19   19   /   /   /   /   /
  NRMV050   71B5   110   130   160   14   14   14   14 14    14     14   14   14   14
  NRMV050   71B14   70   85   105   14   14   14   14   14   14   14   14   14   14
  NMRV063   90B5   130   165   200   24   24   24   24   24   24   /   /   /   /
    NMRV063   90B14   95   115   140   24   24   24   24   24   24   /   /   /   /
    NMRV063   80B5   130   165   200   19   19   19   19   19   19   19   19   /   /
    NMRV063   80B14   80   100   120   19   19   19   19   19   19   19   19   /   /
  NRMV075   100/112B5   180   215   250   28   28   28   /   /   /   /   /   /   /
  NRMV075   100/112B14   110   130   160   28   28   28   /   /   /   /   /   /   /
  NRMV075   90B5   130   165   200   24   24   24   24   24   24   24   /   /   /
  NRMV075   90B14   95   115   140   24   24   24   24   24   24   24   /   /   /
  NMRV090   100/112B5   180   215   250   /   /   /   /   24   24   24   24   24   24
    NMRV090   100/112B14   110   130   160   /   /   /   /   24   24   24   24   24   24
    NMRV090   90B5   130   165   200   /   /   /   /   /   /   /   19   19   19
    NMRV090   90B14   95   115   140   /   /   /   /   /   /   /   19   19   19

Detailed Photos

 

FAQ

   1. 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.

   2. 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 informationetc.   
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

   3. 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.

  4. Do you sell motors?
We produce and sale motor by ourselves with high quality.

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Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Worm Gear
Step: Single-Step
Samples:
US$ 35.16/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

worm gearbox

Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

worm gearbox

Diagnosing and Fixing Oil Leakage in a Worm Gearbox

Oil leakage in a worm gearbox can lead to reduced lubrication, increased friction, and potential damage to the gearbox components. Here’s a step-by-step process to diagnose and fix oil leakage:

  1. Inspect the Gearbox: Perform a visual inspection of the gearbox to identify the source of the leakage. Check for oil stains, wet spots, or oil pooling around the gearbox.
  2. Check Seals and Gaskets: Inspect the seals, gaskets, and O-rings for any signs of wear, cracks, or damage. These components are common points of leakage.
  3. Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
  4. Replace Damaged Seals: If you find damaged seals or gaskets, replace them with new ones. Use seals that are compatible with the operating conditions and lubricant.
  5. Check Breather Vent: A clogged or malfunctioning breather vent can cause pressure buildup inside the gearbox, leading to leakage. Clean or replace the breather vent if necessary.
  6. Examine Shaft Seals: Check the shaft seals for wear or damage. If they’re worn out, replace them with seals of the appropriate size and material.
  7. Use Proper Lubricant: Ensure that you’re using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
  8. Apply Sealants: In some cases, applying a suitable sealant to the joints and connections can help prevent leaks. Follow the manufacturer’s instructions for proper application.
  9. Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
  10. Regular Maintenance: Implement a regular maintenance schedule that includes checking seals, gaskets, and other potential leakage points. Timely maintenance can prevent future leakage issues.

If you’re unsure about diagnosing or fixing oil leakage in a worm gearbox, consider consulting with a professional or gearbox manufacturer to ensure proper resolution.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China Hot selling Nmrv050 Nmrv Series Aluminium Worm Speed Reduction Gearbox   gearbox adjustment	China Hot selling Nmrv050 Nmrv Series Aluminium Worm Speed Reduction Gearbox   gearbox adjustment
editor by CX 2024-05-16

China Custom Right Angle Worm Gearbox Reduction Gear Motor Drive Wheel Winch Box Assembly Right Angle Nmrv050 Stainless Steel NEMA Interchange Right Angle Worm Gearboxes cycloidal gearbox

Product Description

Right Angle Worm Gearbox Reduction Gear Motor Drive Wheel Winch Box Assembly Right Angle Nmrv050 Stainless Steel NEMA Interchange Right Angle Worm Gearboxes

Application of Worm Gearbox

Worm gearboxes are used in a wide variety of applications, including:

  • Machine tools: Worm gearboxes are used in machine tools to provide smooth and controlled movement. They are used in a variety of applications, such as lathes, milling machines, and drills.
  • Robotics: Worm gearboxes are used in robotics to provide precise and controlled movement. They are used in a variety of applications, such as robotic arms, grippers, and manipulators.
  • Conveyor belts: Worm gearboxes are used in conveyor belts to control the speed of the belt. This is important for applications where the belt needs to move at a consistent speed, such as in food processing or manufacturing.
  • Elevators: Worm gearboxes are used in elevators to control the speed of the elevator. This is important for safety reasons, as well as to ensure that the elevator moves smoothly and efficiently.
  • Wind turbines: Worm gearboxes are used in wind turbines to control the speed of the turbine. This is important for safety reasons, as well as to ensure that the turbine generates electricity efficiently.

Worm gearboxes offer a number of advantages over other types of gearboxes, including:

  • High torque: Worm gearboxes can transmit high torque, which makes them ideal for applications that require a lot of force, such as lifting heavy objects or driving machinery.
  • Low speed: Worm gearboxes can reduce the speed of a rotating shaft, which can be useful for applications that require a smooth and controlled movement, such as in robotics or medical devices.
  • Efficiency: Worm gearboxes can be efficient, converting up to 90% of the input power into output power.
  • Durability: Worm gearboxes can be durable and have a long lifespan.
  • Cost-effectiveness: Worm gearboxes can be a cost-effective way to improve the performance and durability of a system.

However, worm gearboxes also have some disadvantages, including:

  • Noise: Worm gearboxes can be noisy, especially at high speeds.
  • Vibration: Worm gearboxes can vibrate, especially at high speeds.
  • Cost: Worm gearboxes can be more expensive than other types of gear sets.

Overall, worm gearboxes are a versatile and reliable component that can be used in a wide variety of applications. They offer a number of advantages over other types of gearboxes, including high torque, low speed, efficiency, durability, and cost-effectiveness. However, they also have some disadvantages, such as noise and vibration.

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Soft Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Stepless
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|
Request Sample

worm gearbox

Calculating Gear Ratio in a Worm Reducer

The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:

Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft

For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.

It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.

When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.

worm gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:

Aspect Worm Gearbox Helical Gearbox
Efficiency Lower efficiency due to sliding friction between the worm and worm wheel. Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission Excellent torque transmission and high reduction ratios achievable in a single stage. Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration Generally higher noise and vibration levels due to sliding action. Lower noise and vibration levels due to smoother rolling contact.
Backlash Higher inherent backlash due to the design. Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds Less suitable for high-speed applications due to efficiency loss. More suitable for high-speed applications due to higher efficiency.
Overload Protection Natural self-locking feature provides some overload protection. May not have the same level of inherent overload protection.
Applications Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. Widely used in various applications including automotive transmissions, industrial machinery, and more.

Both worm and helical gearboxes have their place in engineering, and the choice between them depends on the specific requirements of the application. Worm gearboxes are preferred for applications with high reduction ratios, while helical gearboxes are chosen for their higher efficiency and smoother operation.

worm gearbox

What is a Worm Gearbox and How Does It Work?

A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.

The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.

One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.

China Custom Right Angle Worm Gearbox Reduction Gear Motor Drive Wheel Winch Box Assembly Right Angle Nmrv050 Stainless Steel NEMA Interchange Right Angle Worm Gearboxes   cycloidal gearbox	China Custom Right Angle Worm Gearbox Reduction Gear Motor Drive Wheel Winch Box Assembly Right Angle Nmrv050 Stainless Steel NEMA Interchange Right Angle Worm Gearboxes   cycloidal gearbox
editor by CX 2024-04-30

China manufacturer Nmrv050 Power Transmission Mechanical Customised Textile Cast Iron Machinery RV Series Worm Gearbox cvt gearbox

Product Description

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: Machinery, Reducer
Hardness: Hardened
Type: Worm and Wormwheel
Output Speed: 14-280rpm
Input Speed: 1400rpm
Ouput Torque: 2.6-1195n.M
Customization:
Available

|

Customized Request

worm gearbox

Can a Worm Gearbox Be Used in Heavy-Duty Machinery?

Yes, a worm gearbox can be used in heavy-duty machinery and is often chosen for such applications due to its inherent characteristics and advantages:

  • High Torque Transmission: Worm gearboxes are known for their ability to transmit high torque loads, making them suitable for heavy-duty machinery that requires significant power transmission.
  • Load Distribution: The design of worm gears provides robust load distribution and excellent contact between the worm and worm wheel teeth. This enhances their load-carrying capacity, making them capable of handling heavy loads without premature wear or failure.
  • Compact Design: Worm gearboxes are compact and offer high reduction ratios in a single stage. This allows for the reduction of high input speeds to lower output speeds, often required in heavy-duty machinery.
  • Overload Protection: Worm gears have a natural self-locking feature, which means the gear cannot be easily back-driven by external forces. This feature provides inherent overload protection, preventing damage to the gearbox and machinery in cases of sudden load spikes.
  • Smooth Operation: Worm gearboxes offer smooth and steady operation, which is crucial for heavy-duty machinery where precision and controlled movement are essential.

However, when considering the use of a worm gearbox in heavy-duty applications, it’s important to ensure proper engineering and sizing. The design should account for factors such as load, speed, duty cycle, lubrication, and temperature to ensure optimal performance and longevity.

Overall, worm gearboxes are well-suited for heavy-duty machinery across various industries, including mining, construction, manufacturing, and more.

worm gearbox

Materials Used for Worm Gears

Worm gears are manufactured using a variety of materials to meet different application requirements. Some commonly used materials for worm gears include:

  • Steel: Steel is a popular choice for worm gears due to its strength, durability, and wear resistance. It can handle heavy loads and is often used in industrial applications.
  • Bronze: Bronze offers good lubricity and is commonly used for the worm gear (worm) component. It provides effective wear resistance and works well in applications where quiet operation is essential.
  • Cast Iron: Cast iron is known for its high strength and durability. It’s often used for worm gears in applications where shock loads or heavy-duty conditions are expected.
  • Aluminum: Aluminum worm gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction is important.
  • Plastic: Some worm gears are made from plastic materials such as nylon or acetal. These materials are often chosen for their self-lubricating properties and quiet operation.
  • Composite Materials: Composite materials can offer a combination of properties, such as lightweight construction and corrosion resistance. They can be suitable for specific applications.

The choice of material depends on factors such as the application’s load, speed, operating environment, and required performance characteristics. It’s important to consider these factors when selecting the appropriate material for worm gears to ensure optimal performance and longevity.

worm gearbox

How Does a Worm Gearbox Compare to Other Types of Gearboxes?

Worm gearboxes offer unique advantages and characteristics that set them apart from other types of gearboxes. Here’s a comparison between worm gearboxes and some other common types:

  • Helical Gearbox: Worm gearboxes have higher torque multiplication, making them suitable for heavy-load applications, while helical gearboxes are more efficient and offer smoother operation.
  • Bevel Gearbox: Worm gearboxes are compact and can transmit motion at right angles, similar to bevel gearboxes, but worm gearboxes have self-locking capabilities.
  • Planetary Gearbox: Worm gearboxes provide high torque output and are cost-effective for applications with high reduction ratios, whereas planetary gearboxes offer higher efficiency and can handle higher input speeds.
  • Spur Gearbox: Worm gearboxes have better shock load resistance due to their sliding motion, while spur gearboxes are more efficient and suitable for lower torque applications.
  • Cycloidal Gearbox: Cycloidal gearboxes have high shock load capacity and compact design, but worm gearboxes are more cost-effective and can handle higher reduction ratios.

While worm gearboxes have advantages such as high torque output, compact design, and self-locking capability, the choice between gearbox types depends on the specific requirements of the application, including torque, efficiency, speed, and space limitations.

China manufacturer Nmrv050 Power Transmission Mechanical Customised Textile Cast Iron Machinery RV Series Worm Gearbox   cvt gearbox	China manufacturer Nmrv050 Power Transmission Mechanical Customised Textile Cast Iron Machinery RV Series Worm Gearbox   cvt gearbox
editor by CX 2024-04-25

China wholesaler Worm Gear Nmrv Speed Reducer Gearbox Gearhead Nmrv025 Nmrv030 Nmrv040 Nmrv050 Nmrv063 Nmrv090 Nmrv110 Nmrv130 Nmrv150 with Great quality

Product Description

 

Product Description

 

Detailed Photos

 

The NMRV reducer is relatively light in weight, and the shell is made of aluminum alloy. It has the advantages of light weight, superior strength, beautiful appearance, high heat dissipation performance, long service life, no noise in action, etc. It is convenient and simple to connect with the motor. Easy to install. NMRV reducer is a more practical transmission equipment, and its appearance design and body are more in line with the needs of the public than other types of reducers. Although the RV reducer made of aluminum alloy only emerged in 2007, its application field and popularity are even better than other types of reducers. It is a reducer with high practicability. , but also the integration of advanced technology at home and abroad. The NMRV reducer is extremely convenient to connect with ordinary motors, continuously variable transmissions, and flanged electromagnetic clutch brakes, and does not require couplings to connect. It is suitable for all-round installation, and the output torque is relatively large, and the work is quite stable.

Editing and broadcasting of main materials

1. Body, die-casting aluminum alloy;

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

3. Worm gear, nickel bronze alloy;

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

5. Cast iron body, painted with bIu RA5571.

Regular center distance specification editing and broadcasting

Center distance: 130 (unit: mm).

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

Advantage: ♠ Occupied no space: The space requirement for the installation of output shaft is considerably large while assembling motor or reduce. The installation of hollow type reducer may form right Angle with motor,thus facilitate miniaturize of the machine

♠ Self-locking: For the place require for minor holding force,save the costof baking device,such as in slope conveyor ♠ Fast stop: The ordinary gear reducer available in market requires 5-10seconds stop time. but NRV series product need only 2-5 seconds to reach state of still. ♠ High accommodation:You may select from hollow shaft. uni-direction output shaft or dal output shaft, easy to modify, only 1 minute to complete the dissemble and assemble of shaft. ♠ High safety: Use transmission different from conventional method, no sprocket pulley is needed,no exposed
transmission structure, Reduce the possibility of operator ♠ Good protection: Water, dust proof,the protection class Ip55 possesses,good isolation to dust and moisture

♠ Allow multiple sides installation,no restriction in angle: There are holes for mounting on all plains of the series of
product for your selection of direction and angle required.

♠ Good cooling effect: One formation aluminum alloy for casing, quigley heat dissipation extended life for worn lever, worn gear, good durability(wormca-sing during running is normal)

♠ Easy maintenance: Different from conventional mounting method,you den’t need the dissemble the sprocket, pulley but only dissemble and Assemble the mounting base of the reducer to compete the modification easily.

♠ No restriction on motor brand: Match with 15W-200W motor or domestic product available in market without further processing.

♠ Wide reduction ratio: Easily change the reduction ration from 30-20000 due to detached assemble.

♠ May complete with brake,clutch in 1 formation aesthetic and practice.

Main fetures:

1. Large speed ratio range 2. Small volume,low weight ,saving space for mounting. 3. Self-locking

4. High cost performance

5. Suitable for various motors

Use and safety guarantee

1. Please check and confirm the matching intensity between worm gear reducer and mechanical equipment before use to assure that it is in the safety range of worm gear reducer performance parameters
2. Worm gear reducer has filled with WA460 lubricating oil. Please replace the lubricating oil after the first starting of 400 hours and after then 4000 hours for lubricating oil replacing cycle
3. There should be enough lubrication in worm gear box and keep regular check with the oil level.
4. When installation. please be careful to avoid sharp instruments bruising the oil seals on output shaft to cause leakage
5. Please confirm the rotation direction before mechanical connection. If the rotation direction is not correct, it will possible injury or damage the devices
6. Please set safety covers in rotating position to avoid of injuring
7. Please pay full attention: it is very dangerous if there is off or falling when moving

Packaging & Shipping

 

Company Profile

 

/* 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: Cylindrical Gear
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

worm gearbox

Self-Locking Properties in a Worm Gearbox

Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.

The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.

This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.

However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.

When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.

worm gearbox

How to Calculate the Input and Output Speeds of a Worm Gearbox?

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

Lubrication Requirements for a Worm Gearbox

Lubrication is crucial for maintaining the performance and longevity of a worm gearbox. Here are the key considerations for lubricating a worm gearbox:

  • Type of Lubricant: Use a high-quality, high-viscosity lubricant specifically designed for worm gearboxes. Worm gearboxes require lubricants with additives that provide proper lubrication and prevent wear.
  • Lubrication Interval: Follow the manufacturer’s recommendations for lubrication intervals. Regularly check the gearbox’s temperature and oil condition to determine the optimal frequency of lubrication.
  • Oil Level: Maintain the proper oil level to ensure effective lubrication. Too little oil can lead to insufficient lubrication, while too much oil can cause overheating and foaming.
  • Lubrication Points: Identify all the lubrication points on the gearbox, including the worm and wheel gear surfaces. Apply the lubricant evenly to ensure complete coverage.
  • Temperature: Consider the operating temperature of the gearbox. Some lubricants have temperature limits, and extreme temperatures can affect lubricant viscosity and performance.
  • Cleanliness: Keep the gearbox and the surrounding area clean to prevent contaminants from entering the lubricant. Use proper filtration and seals to maintain a clean environment.
  • Monitoring: Regularly monitor the gearbox’s temperature, noise level, and vibration to detect any signs of inadequate lubrication or other issues.

Proper lubrication will reduce friction, wear, and heat generation, ensuring smooth and efficient operation of the worm gearbox. Always refer to the manufacturer’s guidelines for lubrication specifications and intervals.

China wholesaler Worm Gear Nmrv Speed Reducer Gearbox Gearhead Nmrv025 Nmrv030 Nmrv040 Nmrv050 Nmrv063 Nmrv090 Nmrv110 Nmrv130 Nmrv150   with Great quality China wholesaler Worm Gear Nmrv Speed Reducer Gearbox Gearhead Nmrv025 Nmrv030 Nmrv040 Nmrv050 Nmrv063 Nmrv090 Nmrv110 Nmrv130 Nmrv150   with Great quality
editor by CX 2024-04-04

China supplier Nmrv050 Worm Gearbox with Output Shaft High Precision Worm Gear Speed Reducer with DC AC Motor gearbox assembly

Product Description

Nmrv050 worm gearbox with output shaft

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.

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.

Our Services
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.

About us:
HangZhou CHINAMFG machinery technology Co., Ltd is an industry transmission solutions manufacuturer and service provider.

We offer 1 stop solution for power transmission products for different factories, such as chemicals, energy, material handling, environmental, extraction, pulp and paper, steel and metal, food and beverage, and construction industries.

We supply: Customised gears, Small gearmotors, Industrial gearboxes, Motors, Brand product sourcing.

Our industrial Gear, Gearbox, gearmotor and motor are sold to more than 30 countries. High quality, good price, in time response and sincere service are our value and promises. We aim at making happy cooperation with our customers, bring them reliable and comfortable service. /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Industry
Hardness: Hardened
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Bevel Gear
Step: Three-Step
Customization:
Available

|

Customized Request

worm gearbox

How to Install and Align a Worm Reducer Properly

Proper installation and alignment of a worm reducer are crucial for ensuring optimal performance and longevity. Follow these steps to install and align a worm reducer:

  1. Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
  2. Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
  3. Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
  4. Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
  5. Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
  6. Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
  7. Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
  8. Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
  9. Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

It’s important to refer to the manufacturer’s installation guidelines and specifications for your specific worm reducer model. Proper installation and alignment will contribute to the gearbox’s reliability, efficiency, and overall functionality.

worm gearbox

Worm Gearbox Applications in Robotics and Automation

Worm gearboxes play a crucial role in various robotics and automation applications due to their unique characteristics and benefits. Here are some common applications where worm gearboxes are used:

  • Robotic Arm Movement: Worm gearboxes are employed in robotic arms to provide precise and controlled movement. The self-locking property of worm gearboxes helps maintain the arm’s position without requiring additional brakes.
  • Conveyor Systems: In automated production lines, worm gearboxes are used to drive conveyor belts and move materials or products along assembly lines with accuracy.
  • Precision Positioning: Worm gearboxes are used in precision positioning systems, such as those found in pick-and-place robots and CNC machines. They ensure accurate and repeatable movements.
  • Pan and Tilt Mechanisms: Worm gearboxes are utilized in pan and tilt mechanisms of surveillance cameras, robotic cameras, and sensors. The self-locking feature helps stabilize and maintain the desired angle.
  • Automated Gates and Doors: Worm gearboxes are used in automated gate and door systems to control their opening and closing movements smoothly and safely.
  • Material Handling: Robots in warehouses and distribution centers use worm gearboxes to manipulate and lift objects, enhancing efficiency in material handling.
  • Medical Robotics: Worm gearboxes are employed in medical robots for surgical procedures, diagnostic equipment, and rehabilitation devices, ensuring precise and controlled movements.
  • Industrial Robots: Industrial robots rely on worm gearboxes for various tasks, including welding, painting, assembly, and packaging, where precise movements are essential.
  • Automated Testing Equipment: In testing and inspection applications, worm gearboxes provide the necessary movement and positioning for accurate testing and measurements.
  • Food and Beverage Industry: Worm gearboxes are used in automated food processing and packaging systems, ensuring hygienic and precise movement of products.

Worm gearboxes are preferred in these applications due to their compact size, high torque output, self-locking feature, and ability to provide a right-angle drive. However, selecting the right gearbox requires considering factors such as load, speed, efficiency, and environmental conditions.

worm gearbox

Types of Worm Gear Configurations and Their Uses

Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:

  • Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
  • Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
  • Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
  • Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
  • Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
  • Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.

Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.

China supplier Nmrv050 Worm Gearbox with Output Shaft High Precision Worm Gear Speed Reducer with DC AC Motor   gearbox assembly	China supplier Nmrv050 Worm Gearbox with Output Shaft High Precision Worm Gear Speed Reducer with DC AC Motor   gearbox assembly
editor by CX 2024-02-06

China OEM Nmrv050 Worm Gearbox with 90/120W AC Induction Gear Motor gearbox and motor

Product Description

NMRV050 Worm Gearbox with 90/120W AC Induction Gear Motor

1. Light weight, compact dimension ;
2. Wide speed range and high torque;
3. Low noise and high efficiency;
4. Stable and safe,long lifetime;
5. Multi-structure, various assembling methods;
6. One-stop solution with speed controller, driver, encoder, brake and transformor available.

Specifications

Note: 

If this model is not what you want, please freely tell us about your requirements. We will provide you with a suitable motor solution and price soon.

Product Pictures

Packing & Delivery

 

Certifications

Company Overview

Greensky Power Company Limited is a China based international company who is specialized in electric motor, gearbox and controlling system developing, manufacturing, quality controlling and trading.

Mission:We are dedicated to develop an international electric motor company who can deliver one-stop reliable products with customer-oriented service.

History:Greensky was established in 2571 by CZPT Cheng in Los Angeles, USA and moved to HangZhou, China in 2011. In the past years, the team of CZPT continues to create the value to our esteemed customers all over the world by building up wide and reliable supply chain management system, effective quality & delivery time control system, cost efficiency manufacturing  system and fast-respond professional service.

Exhibitions

FAQ
1 Q: What’s your MOQ for AC gear motor?
A: 1unit is ok for sample testing

2 Q: What about your warranty for your AC gear motor?
A: One year.

3 Q: Do you provide OEM service with customer-logo?
A: Yes, we could do OEM orders, but we mainly focus on our own brand.

4 Q: How about your payment terms?
A: TT, western union and Paypal. 100% payment in advance for orders less $5,000. 30% deposit and balance before delivery for
orders over $5,000.

5 Q: How about your packing?
A: Carton, Plywood case. If you need more, we can pack all the goods with pallets.

6 Q: What information should be given, if I buy AC gear motor from you?
A: Rated power, gearbox ratio, input speed, mounting position. More details, better!

7 Q: How do you deliver the AC gear motor?
A: We will compare and choose the most suitable ways of delivery by sea, air or express courier.

We hope you will enjoy cooperating with us.

App

Can a Worm Gearbox Be Used in Heavy-Duty Machinery?

Yes, a worm gearbox can be used in heavy-duty machinery and is often chosen for such applications due to its inherent characteristics and advantages:

  • High Torque Transmission: Worm gearboxes are known for their ability to transmit high torque loads, making them suitable for heavy-duty machinery that requires significant power transmission.
  • Load Distribution: The design of worm gears provides robust load distribution and excellent contact between the worm and worm wheel teeth. This enhances their load-carrying capacity, making them capable of handling heavy loads without premature wear or failure.
  • Compact Design: Worm gearboxes are compact and offer high reduction ratios in a single stage. This allows for the reduction of high input speeds to lower output speeds, often required in heavy-duty machinery.
  • Overload Protection: Worm gears have a natural self-locking feature, which means the gear cannot be easily back-driven by external forces. This feature provides inherent overload protection, preventing damage to the gearbox and machinery in cases of sudden load spikes.
  • Smooth Operation: Worm gearboxes offer smooth and steady operation, which is crucial for heavy-duty machinery where precision and controlled movement are essential.

However, when considering the use of a worm gearbox in heavy-duty applications, it’s important to ensure proper engineering and sizing. The design should account for factors such as load, speed, duty cycle, lubrication, and temperature to ensure optimal performance and longevity.

Overall, worm gearboxes are well-suited for heavy-duty machinery across various industries, including mining, construction, manufacturing, and more.

lication:

Industrial
Speed: Constant Speed
Number of Stator: 1-Phase or 3-Phase
Function: Driving
Casing Protection: Protection Type
Number of Poles: 4
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

How to Select the Right Worm Gearbox for Your Application

Selecting the right worm gearbox for your application involves careful consideration of various factors:

  • Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
  • Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearbo

    Energy Efficiency of a Worm Gearbox: What to Expect

    The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

    • Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
    • Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
    • Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
    • Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
    • Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

    When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

    xes are known for high reduction ratios.

  • Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
  • Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
  • Mounting Options: Determine the mounting orientation and configuration that best suits your application.
  • Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
  • Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
  • Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
  • Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
  • Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.

Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.

China OEM Nmrv050 Worm Gearbox with 90/120W AC Induction Gear Motor   gearbox and motor	China OEM Nmrv050 Worm Gearbox with 90/120W AC Induction Gear Motor   gearbox and motor
editor by CX 2023-08-30