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China best Hollow Shaft Right Angle Aluminum Housing RV Worm Gearbox with Input Output Flange sequential gearbox

Product Description

 

PROFESSIONAL MANUFACTURE
— SINCE 1995

Hollow shaft Right Angle Aluminum Housing RV Worm Gearbox with Input Output Flange

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

100/112B35

132B35

132B35

 

63B14

63B5

71B5

80B5

90B35

90B35

100/112B35

100/112B35

 

170

 

63B5

71B5

80B5

80B5

90B35

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. H PV series High quality Right Angle Unique speed reducer HB helical gearbox / gear box.

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

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Application: Motor, Machinery, Manufacturing Plant
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Transmission
Layout: Worm Gear
Samples:
US$ 80/Piece
1 Piece(Min.Order)

|

Order Sample

Aluminum Housing RV Worm Gearbox
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.

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:

  • Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
  • Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
  • Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
  • Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
  • Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
  • Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
  • Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
  • Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.

If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.

worm gearbox

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.

worm gearbox

What Industries Commonly Use Worm Reducers?

Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:

  • Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
  • Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
  • Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
  • Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
  • Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
  • Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
  • Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
  • Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
  • Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
  • Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.

Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.

China best Hollow Shaft Right Angle Aluminum Housing RV Worm Gearbox with Input Output Flange sequential gearbox China best Hollow Shaft Right Angle Aluminum Housing RV Worm Gearbox with Input Output Flange sequential gearbox
editor by CX 2024-04-03

China Custom Good Quality Nmrv 075 090 110 Worm Gearbox sequential gearbox

Product Description

Introduction of Worm Gearbox

1. Made of high-quality aluminum alloy or stainless steel, light in weight and non-rusting

2. Smooth in running and low in noise, can work long time in dreadful conditions

3. High in radiating efficiency

4. Good-looking in appearance, durable in service life and small in volume

5. Suitable for omni-bearing installation

6. Inch size and metric size are both available

Worm Gearbox Main Materials

1. Housing: Die-cast aluminum alloy(frame size 571-090); cast iron(frame size 110-150 )

2. Worm shaft: 20CrMnTi, carbonize heat treatment make the hardness of gear’s surface up to 56-62 HRC. Retain carburization layer’s thickness between 0.3 and 0.5mm after precise grinding

3. Worm wheel: Wearable tin bronze alloy
Detailed Specification

Type Worm Gear Speed Reducer
Model NMRV571-150
Ratio 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
Color Blue/Silver or on customer request
Material Housing: Aluminium alloy or cost iron
Worm Gear: Copper-10-3#
Worm: 20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC
Shaft: Chromium steel-45#
Lubricant Synthetic&Mineral
Bearing C&U bearing
Seal KSK&SKF
Temperature -30­40ºC
IEC Flange B5/B14
Rated Power 0.06KW~15KW
Application Metallurgical machinery, food machinery, stage machinery,
welding machinery, road machinery, amusement machines,
packaging machinery, rubber and plastic machinery,
environmental protection machinery, engineering machinery, 
construction machinery, machine tool industry, 
 automotive industry, logistics and transportation and so on.

Mounting Method
                                                 

NMRV PAM N M P D
IEC 5 7.5 10 15 20 25 30 40 50 60 80 100
571 56B14 50 65 80 9 9 9 9 9 – 9 9 9 9 – –
030 63B5 95 115 140 11 11 11 11 11 11 11 11 11 – – –
63B14 60 75 90                        
56B5 80 100 120 9 9 9 9 9 9 9 9 9 9 9 –
56B14 50 65 80                        
040 71B5 110 130 160 14 14 14 14 14 14 14 14 – – – –
71B14 70 85 105                        
63B5 95 115 140 11 11 11 11 11 11 11 11 11 11 11 11
63B14 60 75 90                        
56B5 80 100 120 – – – – – – – –   9 9 9
050 80B5 130 165 200 19 19 19 19 19 19 19 – – – – –
80B14 80 100 120                        
71B5 110 130 160 14 14 14 14 14 14 14 14 14 14 14 –
71B14 70 85 105                        
63B5 95 115 140 – – – – – – – 11 11 11 11 11
063 90B5 130 165 200 – 24 24 24 24 24 24 – – – – –
90B14 95 115 140                        
80B5 130 165 200 – 19 19 19 19 19 19 19 19 19 – –
80B14 80 100 120                        
71B5 110 130 160 – – – – – – – 14 14 14 14 14
71B14 70 85 105                        
075 100/112B5 180 215 250 – 28 28 28 – – – – – – – –
100/112B14 110 130 160                        
90B5 130 165 200 – 24 24 24 24 24 24 24 – – – –
90B14 95 115 140                        
80B5 130 165 200 – – – – 19 19 19 19 19 19 19 19
80B14 80 100 120                        
71B5 110 130 160 – – – – – – – – 14 14 14 14
090 100/112B5 180 215 250 – 28 28 28 28 28 28 – – – – –
100/112B14 110 130 160                        
90B5 130 165 200 – 24 24 24 24 24 24 24 24 24 – –
90B14 95 115 140                        
80B5 130 165 200 – – – – – – – 19 19 19 19 19
80B14 80 100 120                        
110 132B5 230 265 300 – 38 38 38 38 – – – – – – –
100/112B5 180 215 250 – 28 28 28 28 28 28 28 28 28 – –
90B5 130 165 200 – – – – – 24 24 24 24 24 24 24
80B5 130 165 200 – – – – – – – – – – 19 19
130 132B5 230 265 300 – 38 38 38 38 38 38 38 – – – –
100/112B5 180 215 250 – – – – – 28 28 28 28 28 28 28
90B5 130 165 200 – – – – – – – – – – 24 24
150 160B5 250 300 350 – 42 42 42 42 42 – – – – – –
132B5 230 265 300 – – – – 38 38 38 38 38 38 38 38
100/112B5 180 215 250 – – – – – – – – – 28 28 28

FAQ

1 Q: What’s your MOQ for the gearbox?
A: 1unit is ok for sample testing

2 Q: What about your warranty for the gearbox?
A: One year.

3 Q: Do you provide OEM service with a customized 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 than $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 goods with a pallet.

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

7 Q: How do you deliver the gearbox?
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.

 

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Power Source: AC DC Motor
Starting Mode: Split-phase Single Phase Asynchronous Motor
Speed: Low Speed
Function: Change Drive Torque, Speed Changing, Speed Reducti
Model No.: Nmrv075 090 110
Gear Ratio: 5~100
Samples:
US$ 15/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:

  • Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
  • Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
  • Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
  • Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
  • Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
  • Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.

It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.

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 Industries Commonly Use Worm Reducers?

Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:

  • Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
  • Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
  • Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
  • Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
  • Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
  • Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
  • Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
  • Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
  • Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
  • Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.

Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.

China Custom Good Quality Nmrv 075 090 110 Worm Gearbox sequential gearbox China Custom Good Quality Nmrv 075 090 110 Worm Gearbox sequential gearbox
editor by CX 2024-02-24

China supplier Wpa Series Worm Gear Speed Reducer Gearbox sequential gearbox

Product Description

Wpa Series Worm Gear Speed Reducer Gearbox. base on years of experiences uses designed teeth surface with unsurpassed torque transfer
performance with great performance, efficency and cost.Worm gear system transmits power
through sliding contact, resulting in extremely low vibration , noise, little backlash and
self-locking property.
The structural strength of our cast iron, Heavy-duty Right angle series reducers are available in speed ratios ranging from 10:1 to 60:1. Ratio ranging of double step from 200:1 to 900:1
Also, our gearboxes are supplied with a breather plug and oil mirror which you can judge whether enough oil inside.

 

 

RICHMAN UNIVERSAL SOURCING CO LIMITED is located in HangZhou ZheJiang . With more than 20 years experience in gear transmission area, we have our owned factory and product lines. Worm reducer (WP series; RV series; VF series), screw jack reducer (WSH series) and helical gearbox (K,S,R,F series) are current mainly products. Strict and precision quality control procedure makes the final products meet demands of our customers.

We try to develop different markets, cooperate with kinds of customers, which can makes us keep moving forward, keep innovative and international vision. Richman Universal Sourcing is your best partner of transmission resolutions.

 

 

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Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Expansion
Gear Shape: Conical – Cylindrical Gear
Step: Four-Step
Customization:
Available

|

Customized Request

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

Worm gearboxes, like any mechanical component, can experience various issues over time. Here are some common problems that may arise and possible troubleshooting steps:

  • Overheating: Overheating can occur due to factors such as inadequate lubrication, excessive loads, or high operating temperatures. Check lubrication levels, ensure proper ventilation, and reduce loads if necessary.
  • Noise and Vibration: Excessive noise and vibration may result from misalignment, worn gears, or improper meshing. Check for misalignment, inspect gear teeth for wear, and ensure proper gear meshing.
  • Leakage: Oil leakage can be caused by damaged seals or gaskets. Inspect seals and gaskets, and replace them if necessary.
  • Reduced Efficiency: Efficiency loss can occur due to friction, wear, or misalignment. Regularly monitor gearbox performance, ensure proper lubrication, and address any wear or misalignment issues.
  • Backlash: Excessive backlash can affect precision and accuracy. Adjust gear meshing and reduce backlash to improve performance.
  • Seizure or Binding: Seizure or binding can result from inadequate lubrication, debris, or misalignment. Clean the gearbox, ensure proper lubrication, and address misalignment issues.
  • Worn Gears: Worn gear teeth can lead to poor performance. Regularly inspect gears for signs of wear, and replace worn gears as needed.
  • Seal Wear: Seals can wear over time, leading to leakage and contamination. Inspect seals regularly and replace them if necessary.

If you encounter any of these problems, it’s important to address them promptly to prevent further damage and maintain the performance of your worm gearbox. Regular maintenance, proper lubrication, and addressing issues early can help extend the lifespan and reliability of the gearbox.

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 Industries Commonly Use Worm Reducers?

Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:

  • Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
  • Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
  • Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
  • Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
  • Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
  • Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
  • Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
  • Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
  • Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
  • Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.

Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.

China supplier Wpa Series Worm Gear Speed Reducer Gearbox sequential gearbox China supplier Wpa Series Worm Gear Speed Reducer Gearbox sequential gearbox
editor by CX 2024-01-02

China supplier Worm Wafer Resilient Soft Seal Resilient Seat Ductile Iron Cast Iron Water Seal Butterfly Gate Valve Gearbox for Irrigation sequential gearbox

Product Description

Worm Wafer Resilient Soft Seal Resilient Seat Ductile Iron Cast Iron Water Seal Butterfly Gate Valve Gearbox for Irrigation

                   
 

NO. Description Material Material number
1 Bolts Carbon Steel ASTM A29M-1571
2 Indicator Plate Carbon Steel ASTM A29M-1571
3 O-ring Rubber NBR
4 Oil seal Rubber NBR
5 Handwheel indicator Carbon Steel ASTM A29M-1571
6 Bolts Carbon Steel ASTM A29M-1045
7 Cover Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 65-45-12
8 Sealing Gasket Insulation paper  
9 Worm Gear Ductile iron ASTM A536 65-45-12
10 Stem Bush Carbon Steel ASTM A29M-1571
11 Snap Ring Carbon Steel ASTM A29-1566
12 End Cover Carbon Steel ASTM A29M-1571
13 Bearing Alloy Steel ASTM A295-52100
14 Body Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 65-45-12
15 Grease Nipple Carbon Steel ASTM A29M-1571
16 Worm Carbon Steel ASTM A29M-1045
17 Key Carbon Steel ASTM A29M-1045
18 Reduction body Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 65-45-12
19 Bolts Carbon Steel ASTM A29M-1045
20 Bearing Alloy Steel ASTM A295-52100
21 Gears Carbon Steel ASTM A29M-1045
22 Snap Ring Carbon Steel ASTM A29-1566
23 Reduction cover Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 65-45-12
24 Washer of nuts Carbon Steel ASTM A29M-1571
25 Adjusting nuts Carbon Steel ASTM A29M-1045
26 Adjusting Bolts Carbon Steel ASTM A29M-1045

Dimension

DIM
 
MODEL		 Mounting Base External Part Input Shaft Part Handwheel
Type Flange Size D1 P.C.D D3 H0 H1 H2 K K1 K2 K3 L L2 L1 PD KEY M
D2 N-H-DP
KB-0-1S  
A		 F-12 85 125 4-M12-18 150 3 66 204 91 48 51 220 83 161 31 21 6 300
KB-01-1S F-14 100 140 4-M16-24 175 4 75 225 94 48 61 276 93 171 31 21 6 350
KB-02-1S F-16 130 165 4-M20-30 210 5 92 286 110 64 68 350 113 205 40 28 8 450
KB-03-1S  
 
B		 (F-20) 140 205 8-M16-24 250 5 111 325 112 58 68 362 126 217 40 28 8 500
KB-04-1S F-25 200 254 8-M16-24 300 5 144 383 124 63 100 426 158 246 40 28 8 600
KB-05-1S F-30 230 298 8-M20-30 350 5 160 453 143 71 101 464 190 284 40 28 8 650
KB-06-1S F-35 260 356 8-M30-45 415 5 200 525 169 91 119 498 224 318 40 28 8 700
KB-07-1S B F-40 300 406 8-M36-54 475 8 225 619 190 101 155 457 237 417 60 38 10 800
KB-08-1S F-40 300 406 8-M36-50 475 8 270 668 201 102 155 499 279 459 60 38 10 900
KB-09-1S C F-48 370 483 12-M36-54 560 8 338 790 232 116 – 561 341 521 60 38 10 900

Technical Parameters

PARA
 
MODEL		  
Ratio		 Flange Size (ISO5211) Max Valve Stem dmax Max Torque M.A. Weight
Input Output
mm Nm Nm 10% Kg
KB-0-1S 63:1 F-12 40 (12 X 8) 65 1000 16.1 19
KB-01-1S 74:1 F-14 50 (14 X 9) 100 1850 18.9 21
KB-02-1S 129:1 F-16 60 (18 X 11) 90 3000 33 38
KB-03-1S 158:1 ( F-20 ) 70 (20 X 12) 105 4200 40 41
KB-04-1S 179:1 F-25 90 (25 X 14) 160 6500 41 64
KB-05-1S 177:1 F-30 105 (28 X 16) 225 10000 45 91
KB-06-1S 201:1 F-35 120 (32 X 18) 295 15000 51 137
KB-07-1S 202:1 F-40 140 (36 X 20) 590 28000 48 220
KB-08-1S 244:1 F-40 165 (40 X 22) 890 48000 54 290
KB-09-1S 234:1 F-48 190 (45 X 25) 1300 72000 56 450

Remark:
input torque=output torque/M.A.
 

Related products
Our Company
Ever-power Group specialist in making all kinds of mechanical transmission and hydraulic transmission like: planetary gearboxes, worm reducers, in-line helical gear speed reducers, parallel shaft helical gear reducers, helical bevel reducers, helical worm gear reducers, agricultural gearboxes, tractor gearboxes, auto gearboxes, pto shafts, special reducer & related gear components and other related products, sprockets, hydraulic system, vacuum pumps, fluid coupling, gear racks, chains, timing pulleys, udl speed variators, v pulleys, hydraulic cylinder, gear pumps, screw air compressors, shaft collars low backlash worm reducers and so on. furthermore, we can produce customized variators, geared motors, electric motors and other hydraulic products according to customers’ drawings.
We provides a reliable grantee for the product’ s quality by advanced inspection and testing equipment. professional technical team, exquisite processing technology and strict control system. 
In recent years, the company has been developing rapidly by its rich experience in production, advanced management system, standardized management system, strong technical force. We always adhere the concept of survival by quality, and development by innovation in science and technology. 
Our Group is willing to work with you hand in hand and create brilliance together! 

Material available

Low carbon steel, C45, 20CrMnTi, 42CrMo, 40Cr, stainless steel. Can be adapted regarding customer requirements.

Surface treatment

Blacking, galvanization, chroming, electrophoresis, color painting, …

 

Heat treatment

High frequency quenching heat treatment, hardened teeth, carbonizing, nitride, …
 
Certifications

FAQ:
 

Q: Are you trading company or manufacturer ?

A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

If you have another question, please feel free to contact us.
Packing & Delivery

 

 

 

 

Application: Machinery, Marine, Toy, Agricultural Machinery
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Wrom
Hardness: Hardened Tooth Surface
Installation: Worm Reducer
Step: Worm Drive

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:

  • Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
  • Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
  • Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
  • Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
  • Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
  • Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.

It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.

worm gearbox

How to Calculate the Efficiency of a Worm Gearbox

Calculating the efficiency of a worm gearbox involves determining the ratio of output power to input power. Efficiency is a measure of how well the gearbox converts input power into useful output power without losses. Here’s how to calculate it:

  • Step 1: Measure Input Power: Measure the input power (Pin) using a power meter or other suitable measuring equipment.
  • Step 2: Measure Output Power: Measure the output power (Pout) that the gearbox is delivering to the load.
  • Step 3: Calculate Efficiency: Calculate the efficiency (η) using the formula: Efficiency (η) = (Output Power / Input Power) * 100%

For example, if the input power is 1000 watts and the output power is 850 watts, the efficiency would be (850 / 1000) * 100% = 85%.

It’s important to note that efficiencies can vary based on factors such as gear design, lubrication, wear, and load conditions. The calculated efficiency provides insight into how effectively the gearbox is converting power, but it’s always a good practice to refer to manufacturer specifications for gearbox efficiency ratings.

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 supplier Worm Wafer Resilient Soft Seal Resilient Seat Ductile Iron Cast Iron Water Seal Butterfly Gate Valve Gearbox for Irrigation sequential gearbox China supplier Worm Wafer Resilient Soft Seal Resilient Seat Ductile Iron Cast Iron Water Seal Butterfly Gate Valve Gearbox for Irrigation sequential gearbox
editor by CX 2023-10-27

China factory Industrial Gearbox China Reducer High Rpm Helical Transmission Speed Drive Reduction Electric Motor Transmission Prices Variator CZPT Excavator Worm Gearbox sequential gearbox

Product Description

Industrial Gearbox China Reducer High Rpm Helical Transmission Speed Drive Reduction Electric Motor Transmission Prices Variator CHINAMFG Excavator Worm Gearbox

Application of Industrial Gearbox

Industrial gearboxes are used in a wide variety of applications where high torque and low speed are required. Some of the most common applications include:

  • Material handling: Industrial gearboxes are used in material handling equipment, such as conveyors, cranes, and hoists.
  • Machine tools: Industrial gearboxes are used in machine tools, such as lathes, milling machines, and drills.
  • Robotics: Industrial gearboxes are used in robotics, such as industrial robots and automated guided vehicles (AGVs).
  • Mining: Industrial gearboxes are used in mining equipment, such as crushers, conveyors, and pumps.
  • Wind turbines: Industrial gearboxes are used in wind turbines, to transmit power from the blades to the generator.

Industrial gearboxes are a versatile type of gear reducer that can be used in a wide variety of applications. They are characterized by their high torque, low speed, and compact size.

Here are some of the advantages of using industrial gearboxes:

  • High torque: Industrial gearboxes can generate a high torque, making them ideal for applications where a lot of force needs to be applied.
  • Low speed: Industrial gearboxes can operate at a low speed, making them ideal for applications where noise and vibration need to be minimized.
  • Compact size: Industrial gearboxes are typically compact and lightweight, making them easy to install and maintain.
  • Durability: Industrial gearboxes are designed to withstand high loads and harsh environments.

Overall, industrial gearboxes are a valuable tool for a variety of applications. They offer a number of advantages that can help to improve safety, efficiency, and productivity.

Here are some additional details about the applications of industrial gearboxes:

Material handling: Industrial gearboxes are used in material handling equipment to transmit power from the motor to the load. This allows the equipment to move materials at a controlled speed and torque.

Machine tools: Industrial gearboxes are used in machine tools to transmit power from the motor to the cutting tool. This allows the cutting tool to operate at a high speed and torque, which is necessary for cutting through tough materials.

Robotics: Industrial gearboxes are used in robotics to transmit power from the motor to the robot’s joints. This allows the robot to move its joints at a controlled speed and torque, which is necessary for performing tasks such as picking and placing objects.

Mining: Industrial gearboxes are used in mining equipment to transmit power from the motor to the load. This allows the equipment to move materials at a controlled speed and torque, which is necessary for mining operations.

Wind turbines: Industrial gearboxes are used in wind turbines to transmit power from the blades to the generator. This allows the generator to generate electricity at a controlled speed and torque, which is necessary for providing power to homes and businesses.

Industrial gearboxes are a vital part of many different industries. They help to improve safety, efficiency, and productivity by transmitting power from the motor to the load in a controlled and efficient manner.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Torque Arm Type
Step: Stepless
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

|
Request Sample

worm gearbox

Can a Worm Gearbox be Used for High-Speed Applications?

Worm gearboxes are generally not recommended for high-speed applications due to their inherent design characteristics. Here’s why:

  • Efficiency: Worm gearboxes tend to have lower efficiency compared to other gearbox types, which means they can generate more heat and experience more energy loss at high speeds.
  • Heat Generation: The sliding contact between the worm and worm wheel in a worm gearbox can lead to significant friction and heat generation, especially at high speeds. This heat can cause thermal expansion, affecting the gearbox’s performance and longevity.
  • Wear and Noise: High speeds can exacerbate wear and noise issues in worm gearboxes. Increased friction and wear can lead to faster degradation of components, resulting in reduced lifespan and increased maintenance needs.
  • Backlash: Worm gearboxes may have higher backlash compared to other gearbox types, which can impact precision and accuracy in high-speed applications.

While worm gearboxes are more commonly used in applications requiring high torque and moderate speeds, they may not be the best choice for high-speed scenarios. If high-speed operation is a requirement, other gearbox types such as helical, spur, or planetary gearboxes are often better suited due to their higher efficiency, lower heat generation, and reduced wear at elevated speeds.

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 factory Industrial Gearbox China Reducer High Rpm Helical Transmission Speed Drive Reduction Electric Motor Transmission Prices Variator CZPT Excavator Worm Gearbox sequential gearbox China factory Industrial Gearbox China Reducer High Rpm Helical Transmission Speed Drive Reduction Electric Motor Transmission Prices Variator CZPT Excavator Worm Gearbox sequential gearbox
editor by CX 2023-09-13

China Hot selling Top Quality Nmrv Right Angle Aluminum Body Worm Gearbox with Output Flange sequential gearbox

Product Description

Top Quality Nmrv Right Angle Aluminum Body Worm Gearbox with Output Flange

Product Description

  • RV – Sizes:–150
  • Input Options: with input shaft, With Square flange,With Input Flange
  • Input Power 0.06 to 11 kW
  • RV-Size from 030 to 105 in die-cast aluminium alloy budy and over 110 in cast iron
  • Ratios between 5 and 100
  • Max torque 1550 N.m and admissible output radial loads max 8771 N
  • Aluminium units are supplied complete with synthetic oil and allow for universal mounting positions, with no need to modify lubricant quantity
  • Worm wheel: Copper (KK Cu). 
  • Loading capacity in accordance with: ISO 9001:2015/GB/T 19001-2016
  • Size 030 and over are painted with RAL 5571 blue
  • Worm gear reducers are available with diffferent combinations: NMRV+NMRV, NMRVpower+NMRV, JWB+NMRV
  • NMRV, NRV+VS,NMRV+AS,NMRV+VS,NMRV+F
  • Options: torque arm, output flange, viton oil seals, low/high temperature oil, filling/drain/breather/level plug.

Input Configurations

Double or single input shaft (NRV)

PAM / IEC motor input shaft with circle or square flange (NMRV)

Output Configurations

 

Double or single output shaft

Output flange

Specification

Model

Motor Input Flange (circle)

Transmission Ratio

Power

(kw)

Ratio

(i)

Nominal Torque

(Nm)

PAM / IEC

Internal Dia.

Dis. Between Diagonal Screw Holes

External Dia.

Width of Key Slot

5

7.5

10

15

20

25

30

40

50

60

80

100

N

M

P

E

Diamter of Input Shaft

NMRV25

56B14

50

65

80

3

9

–

9

–

0.06

7.5-60

2.6-14

NMRV30

63B5

95

115

140

4

11

–

0.06-0.18

7.5-80

2.6-14

63B14

60

75

90

56B5

80

100

120

3

9

–

56B14

50

65

80

NMRV40

71B5

110

130

160

5

14

–

0.09-0.37

7.5-100

11-53

71B14

70

85

105

63B5

95

115

140

4

11

63B14

60

75

90

56B5

80

100

120

3

–

9

NMRV50

80B5

130

165

200

6

19

–

0.12-0.75

7.5-100

21-89

80B14

80

100

120

71B5

110

130

160

5

14

–

71B14

70

85

105

63B5

95

115

140

4

–

11

NMRV63

90B5

130

165

200

8

24

–

0.25-1.5

7.5-100

56-166

90B14

95

115

140

80B5

130

165

200

6

19

–

80B14

80

100

120

71B5

110

130

160

5

–

14

71B14

70

85

105

NMRV75

100/112B5

180

215

250

8

–

28

–

0.55-4

7.5-100

90-269

100/112B14

110

130

160

90B5

130

165

200

8

24

–

90B14

95

115

140

80B5

130

165

200

6

–

19

80B14

80

100

120

71B5

110

130

160

–

–

14

NMRV90

100/112B5

180

215

250

8

–

28

–

0.55-4

7.5-100

101-458

100/112B14

110

130

160

90B5

130

165

200

8

24

–

90B14

95

115

140

80B5

130

165

200

6

–

19

80B14

80

100

120

NMRV110

132B5

230

265

300

10

–

38

–

1.1-7.5

7.5-100

242-660

132B14

130

165

200

–

100/112B5

180

215

250

8

28

–

90B5

130

165

200

–

24

90B14

95

115

140

–

80B5

130

165

200

–

19

 NMRV130 

132B5

230

265

300

10

 – 

38

 – 

 2.2-7.5 

 7.5-100 

 333-1596 

132B14

130

165

200

–

100/112B5

180

215

250

8

–

28

90B5

130

165

200

–

–

24

90B14

95

115

140

NMRV150

160B5

250

300

350

12

–

42

–

2.2-15

7.5-100

570-1760

132B5

230

265

300

10

–

38

–

132B14

130

165

200

–

100/112B5

180

215

250

8

–

28

Company profile

Scenario

Packing

FAQ

Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc. 

Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection. 

Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice. 

Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on. 

Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: B3, B6, B7, B8, V5, V6
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step
Customization:
Available

What are the Noise Levels Associated with Worm Gearboxes?

The noise levels associated with worm gearboxes can vary d

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.

epending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:

  • Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
  • Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
  • Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
  • Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
  • Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
  • Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.

It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.

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Customized Request

Can a Worm Gearbox Provide High Torque Output?

Yes, a worm gearbox is capable of providing high torque output due to its unique design and principle of operation. Worm gears are known for their high torque multiplication capabilities, making them suitable for applications that require significant torque transfer.

The torque output of a worm gearbox is influenced by several factors:

  • Lead Angle: The lead angle of the worm affects the mechanical advantage of the gear system. A larger lead angle can result in higher torque output.
  • Worm Diameter: A larger diameter worm can offer increased torque output as it provides more contact area with the gear.
  • Gear Ratio: The gear ratio between the worm and the gear determines the torque multiplication factor. A higher gear ratio leads to higher torque output.
  • Lubrication: Proper lubrication is essential to minimize friction and ensure efficient torque transmission.
  • Material and Quality: High-quality materials and precision manufacturing contribute to the gearbox’s ability to handle high torque loads.

Due to their ability to provide high torque output in a compact form factor, worm gearboxes are commonly used in various industrial applications, including heavy machinery, construction equipment, conveyor systems, and more.

China Hot selling Top Quality Nmrv Right Angle Aluminum Body Worm Gearbox with Output Flange sequential gearbox China Hot selling Top Quality Nmrv Right Angle Aluminum Body Worm Gearbox with Output Flange sequential gearbox
editor by CX 2023-08-30