Tag Archives: worm reducer

China manufacturer Worm Gearbox Transmission Reducer with Output Flange for Meat Grinders best automatic gearbox

Product Description

Product Description

FCNDK series reducer is a new-generation of products developed by our factory on the basis of introducing foreign advanced technology,its’ main features are as follows:

1 Made of high quality aluminum alloy, light weight and non-rusting

2 Large output torque and high radiating efficiency

3 Smooth running and low noise

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

5 Suitable for omnibearing installation

 

 

Company Profile

 

l  The largest manufacturer and exporter of worm gear reducers in Asia.

 

l  Established in 1976, we transformed from a county owned factory to private 1 in 1996. HangZhou SINO-DEUTSCH POWER TRANSMISSION EQUIPMENT CO.,LTD is our new name since 2001.

 

l  We are the first manufacturer of reducers and gearboxes in China who was given export license since year 1993.

 

l  “Fixedstar” brand gearboxes and reducers are the first owner of CHINA TOP BRAND and Most Famous Trade Mark for reducers.
 

First to achieve ISO9001 and CE Certificate among all manufacturers of gearboxes in China.

   
As a professional manufacturer of worm gearbox and worm gear reducers in China, we mainly produce reduction gearbox,aluminum case worm gearboxes,arc gear cylindrical worm gearboxes, worm gear reducers, in line helical gearboxes, and cyclo drive reducers, etc. These products feature rational structure, stable performance, and reliable quality, and so on. They are widely used in power, mining, metallurgy, building material, chemical, food, printing, ceramic, paper-making, tobacco, and other industries.

 

We have 600 workers in our factory, which covers 70,000 square CHINAMFG in HangZhou. We have been making 2,500 units of reducers everyday since 2012. We are proudly exporting 70% of our products to more than 40 countries all over the word. Our customers come from Italy, Germany, USA, Canada, Spain, UK, Mexico, Brazil, Argentina, Turkey, Singapore and other main industrial countries in the world. 30% of them are OEM made for direct manufacturers of other products. 

 

We warmly welcome customers from other parts of the world to visit us. Seeing is believing. We are very confident that after visiting our facility, you will have confidence on our products. We have the latest automatic equipments and experienced workers to ensure the stable quality and large output. We have the most sophisticated technical and engineering team to support most demanding requirement on standard and OEM products.
 

Looking CHINAMFG to meeting you in HangZhou, China.

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Application: Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Speed Changing
Layout: Vertical
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-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

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

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 manufacturer Worm Gearbox Transmission Reducer with Output Flange for Meat Grinders   best automatic gearbox	China manufacturer Worm Gearbox Transmission Reducer with Output Flange for Meat Grinders   best automatic gearbox
editor by CX 2024-03-29

China best Manufacturer Worm Gear Screw Conveyor Reducer Reducer Cylindrical China Reducer Gear Box supplier

Product Description

Product Description

DESCRIPTION:
Gear reducers are enclosed helical gears with hollow inputs.
The gear is mounted directly on the input shaft of the gear and receives support from a motor mounting bracket mounted on the machine housing. 
No additional parts are required to transfer torque from the reducer to the machine.
It can be mounted in vertical, horizontal or inclined position.
Shaft-mounted gear reducers typically have 5:1 7:1 10:1 reduction ratios and output speeds ranging from 1 to 300 rpm.

M4 series gear reducer can be installed directly on screw conveyors and feeders with a XUH seal installed on the output shaft of the gearbox. 
Ensure that cement, and fly ash powder will not get into the gearbox and extend the service life of the gearbox.
More suitable for bulk materials, grain and aggregate handling industries

 

WORKING PRINCIPLE:
M4 series gearboxes come in 5 sizes (M41 / M43 / M45 / M47 / M49). 
Nominal gear ratios are in accordance with Ra 10 CHINAMFG 2017 (5, 6, 7, 10). Cylindrical gears with helicoidal teeth. 
M4 series gearboxes can be mounted directly on screws: in this case, the XUH type output shaft seal is usually installed. 
M4 series gearboxes are supplied with grease for use at ambient temperatures (0°C – 40°C).

PROPERTIES:
– Helical gearbox
– Nominal torque that can be transferred to the output shaft: up to 1500 Nm.
– Installed power at the input up to 30 kW.
– Operation at ambient temperature (0°C – 40°C).
– DIN 5482 involute spline output shafts
– Flange mounting on motor and output side
– Precision-machined cylindrical bevel gears with teeth.
– Flange mounting on motor and output side

BENEFITS:
– Easy installation
– Quick maintenance
– Low installation costs

 

 

 

Services

 

Pre-sales Commitment

1. For user inquiries, quick response, warm reception, and answer all questions.
2. Provide detailed design information free of charge within 24 hours.

Commitment in Sales

1. All ex-factory products meet the quality standards specified in the contract. All products are tested according to customer requirements before delivery.
2. After the contract is signed, the customers are welcome to the site of our company for supervision.

After-sales Commitment

1. We provide technical support for customers. If necessary, the product can be debugged on-site, and relevant operators can be trained to solve user problems.
2.  24 hours to solve the problems for customers. Product use a day, a day of service.
3. Set up a high-quality service team, and set up product files for regular return visits.

Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Four-Step
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

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

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 best Manufacturer Worm Gear Screw Conveyor Reducer Reducer Cylindrical China Reducer Gear Box   supplier China best Manufacturer Worm Gear Screw Conveyor Reducer Reducer Cylindrical China Reducer Gear Box   supplier
editor by CX 2023-10-24

China Professional Wp CZPT Shaft Worm Gear Transmission Reducer Ruduction Gearbox gearbox definition

Product Description

WP CHINAMFG Shaft Worm Gear Transmission Reducer Ruduction Gearbox

Product Parameters

 

Features:
1. Compact structure and simple assembly;
2. Wide speed ranges and high torque;
3. Low noise, good sealing performance, high efficiency;
4. Stable and safe, long lifetime, universal;
5. Multi-structure, various assembling methods
 

Detailed Photos

 

Product photo:

Specification:

ANG WP Worm Speed Gear Unit
Model WPA WPS WPDA WPDS WPO WPX…
Size 40-250(single stage)
Input power 0.12kw ~ 33kw
Input speed 750rpm ~ 2000rpm
Reduction ratio 1/10 ~ 1/60(single stage)
Input motor AC (1 phase or 3 phase) / DC motor
Output torque 6-6050Nm
Install type Foot / Solid shaft / Hollow shaft…
Material of housing Die-cast iron 
Application Food Stuff, Ceramics, Chemical, Packing, Dyeing, Woodworking, Glass, etc.

 

Our Advantages

 

Company Profile

 

FAQ

 

FAQ
Q: Can you make the gear unit with customization?
A: Yes, we can customize per your request, like flange, shaft, configuration, material, etc.

Q: Do you provide samples?
A: Yes. Sample is available for testing.

Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.

Q: What’s your lead time?
A: Standard product need 5-30days, a bit longer for customized products.

Q: Do you provide technology support?
A: Yes. Our company have design and development team, we can provide technology support if you
need.

Q: How to ship to us?
A: It is available by air, or by sea, or by train.

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

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

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

Q: How shall we contact you?
A: You can send inquiry directly, and we will respond within 24 hours.

 
  

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

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

worm gearbox

Is it Possible to Reverse the Direction of a Worm Gearbox?

Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:

  • Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
  • Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
  • Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
  • Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
  • Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.

If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.

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

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 Professional Wp CZPT Shaft Worm Gear Transmission Reducer Ruduction Gearbox   gearbox definition		China Professional Wp CZPT Shaft Worm Gear Transmission Reducer Ruduction Gearbox   gearbox definition
editor by CX 2023-10-18

China Professional Wpes Cast Iron Worm Gear Reducer Gearbox Double Speed Stage bevel gearbox

Product Description

Product Description

The worm gear reducer is a power transmission mechanism that uses the speed converter of the gear to decelerate the number of revolutions of the motor to the required number of revolutions and obtain a large torque mechanism. In the mechanism used to transmit power and motion, the application range of reducer is quite extensive.

Product Parameters

 

Related products

 

Company Profile

We are a professional company engaged in the R&D, design, and manufacturing of gearboxes. The company has introduced a number of sophisticated production and testing equipment. We have successfully developed 800Nm-11200Nm planetary gearboxes for construction machinery, special planetary gearboxes for mixers, special planetary gearboxes for buildings, special reducers for mines, wind power reducers, hydraulic rotary, winch series, gearboxes for rolling mills, and other series of gearboxes with hundreds of thousands of specifications. The products have been widely used in building materials, metallurgy, engineering machinery, hoisting, shipping, chemical, pharmaceutical, electric power, and other supporting units and engineering projects.
Since its establishment, the company has been accelerating the pace of scientific and technological innovation and independent brand construction to build its core competitiveness with new thinking and new manufacturing awareness.

Our Equipments

Certification

Packaging and Shipment 

 

 

For more reducers and mechanical accessories, please click here to view

 

 

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

Is it Possible to Reverse the Direction of a Worm Gearbox?

Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:

  • Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
  • Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
  • Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
  • Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
  • Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.

If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.

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

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 Professional Wpes Cast Iron Worm Gear Reducer Gearbox Double Speed Stage   bevel gearbox	China Professional Wpes Cast Iron Worm Gear Reducer Gearbox Double Speed Stage   bevel gearbox
editor by CX 2023-10-12

China Professional Transmission Reducer Worm Gearbox manufacturer

Product Description

RV series Characteristics

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

Basic models can be applied to a wide range of power reduction ratios from 5 to 1000.
Warranty: One year from date of delivery.

 

WORM GEARBOX          
SNW SERIES          Output Speed Range:
Type Old Type Output Torque Output Shaft Dia.   14rpm-280rpm
SNW030  RV030  21N.m  φ14   Applicable Motor Power:
SNW040  RV040  45N.m  φ19   0.06kW-11kW
SNW050  RV050  84N.m  φ25   Input Options1:
SNW063  RV063  160N.m  φ25   With Inline AC Motor
SNW075  RV075  230N.m  φ28   Input Options2:
SNW090  RV090  410N.m  φ35   With Square flange
SNW105  RV105  630N.m  φ42   Input Options3:
SNW110  RV110  725N.m  φ42   With Input Shaft
SNW130  RV130  1050N.m  φ45   Input Options4:
SNW150  RV150  1550N.m  φ50   With Input Flange

Starshine Drive

ZheJiang CHINAMFG Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CHINAMFG specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
Starshine have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CHINAMFG and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our Team

Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective measures
 to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
 found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of 
customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the product
 is a product inspection to determine the qualified products.

Packing

Delivery

 

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

|

Customized Request

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

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:

  • Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
  • High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
  • Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
  • Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
  • Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.

However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:

  • Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
  • Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
  • Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
  • Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.

Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.

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 Professional Transmission Reducer Worm Gearbox   manufacturer China Professional Transmission Reducer Worm Gearbox   manufacturer
editor by CX 2023-09-26

China supplier Professional Manufacture Speed Reducer Worm Gearboxes differential gearbox

Product Description

 

Product Description

 

Our Gearbox has many items for your choosing and we can produce as per your drawing or sample to meet your special request

1. Large output torque
2. Safe, reliable, economical and durable
3. Stable transmission, quiet operation
4. High carrying ability
5. High modularization design, may equip with various outer power input conveniently. Same machine type may equip with various power motor. It is easy to realize the combination and junction between every machine type
6. Transmission ratio: Fine division, wide scope. The combined machine type may form very large transmission ratio, i. E. Output very low rotary speed.
7. Form of installation: The position to be installed is not limited.
8. High strength, compact the box body of high strength cast iron, gear and gear shaft adapts the gas carbonization, quenching and fine grinding process, therefore the bearing capacity of unit volume is high.
9. Long life: Under the condition of correct type chosen(including choosing suitable operation parament ) normal operation and maintenance, the life if main parts speed reducer(except wearing parts)should not be less than 20000 hours. The wearing parts include lubricating oil, oil seal and bearing.
10. Low noise: Because main parts of speed reducer are processed, and tested critically, therefore the noise of speed reducer is low.
11.Our gear box have reached the advance international level, can replace the same kind of products imported.

 

Size

Ratio

A

B

E

F

H

M

N

40

 

 

 

1/5

1/10

1/15

1/20

1/25

1/30

1/40

1/50

1/60

142

85

70

80

135

90

100

50

175

105

95

110

180

120

140

60

195

120

105

120

205

130

150

70

234

140

115

150

235

150

190

80

264

160

135

180

265

170

220

100

300

178

155

220

327

190

260

120

385

230

180

260

388

230

320

135

435

260

200

290

445

250

350

155

507

300

220

320

483

280

390

175

550

325

250

350

550

310

430

200

594

350

290

390

610

360

480

250

710

420

380

480

755

460

560

Size

G

Z

Input Shaft

Output Shaft

Weight Kg

Oil Weight

HS

U

LS

S

40

12

10

25

12

28

14

3.8

 

50

15

11

30

12

40

17

7

0.4

60

20

11

40

15

50

22

10.5

0.5

70

25

15

40

18

60

28

14.5

0.7

80

25

15

50

22

65

32

22

1.1

100

25

15

50

25

75

38

36

2.3

120

30

18

65

30

85

45

63

4.5

135

30

18

75

35

95

55

80

6.0

155

38

20

85

40

110

60

114

6.2

175

40

20

85

45

110

65

150

8.0

200

42

22

95

50

125

70

218

9.0

250

48

27

110

60

155

90

363

17.0

Size

Ratio

A

B

E1

E2

F

G

M

N

40

 

 

 

1/5

1/10

1/15

1/20

1/25

1/30

1/40

1/50

1/60

142

85

72

85

75

12

179

97

50

175

105

93

102

90

14

220

116

60

195

120

105

120

100

15

260

126

70

234

140

120

135

120

20

295

156

80

264

160

130

150

140

20

320

176

100

300

178

155

180

190

30

375

226

120

385

230

185

215

220

30

450

266

135

435

260

210

235

260

35

495

306

155

507

300

245

295

290

45

590

350

175

550

325

267

323

320

45

640

394

200

594

350

290

360

370

42

710

440

250

710

420

350

440

440

46

860

510

Size

Z

Input Shaft

Output Shaft

Weight Kg

Oil Weight L

HS

U

LS

S

40

10

25

12

28

14

3.8

0.35

50

11

30

12

40

17

6.5

0.5

60

11

40

15

50

22

9

0.6

70

15

40

18

60

28

14

1.1

80

15

50

22

65

32

21

1.44

100

15

50

25

75

38

33

3.0

120

18

65

30

85

45

51

5.1

135

18

75

35

95

55

75

7.2

155

20

85

40

110

60

115

9.0

175

20

85

45

110

65

143

10

200

22

95

50

125

70

200

12

250

27

110

60

155

90

345

22

 

Size

Ratio

A

B

E1

E2

F

G

M

N

40

 

 

 

1/5

1/10

1/15

1/20

1/25

1/30

1/40

1/50

1/60

142

114

72

85

75

12

179

97

50

175

145

93

102

90

14

220

116

60

195

165

105

120

100

15

260

126

70

234

195

120

135

120

20

295

156

80

264

210

130

150

140

20

320

176

100

300

253

155

180

190

30

375

226

120

385

285

185

215

220

30

450

266

135

435

320

210

235

260

35

495

306

155

507

392

245

295

290

45

590

350

175

550

412

267

323

320

45

640

394

200

594

480

290

360

370

42

710

440

250

710

560

350

440

440

46

860

510

Size

Z

Input Shaft

Output Shaft

Weight Kg

Oil Weight L

HS

U

LS

S

40

10

25

12

28

14

3.8

0.35

50

11

30

12

40

17

6.5

0.5

60

11

40

15

50

22

9

0.6

70

15

40

18

60

28

14

1.1

80

15

50

22

65

32

21

1.44

100

15

50

25

75

38

33

3.0

120

18

65

30

85

45

51

5.1

135

18

75

35

95

55

75

7.2

155

20

85

40

110

60

115

9.0

175

20

85

45

110

65

143

10

200

22

95

50

125

70

200

12

250

27

110

60

155

90

345

22

 


HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.

Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets. Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.

With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.

Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.

FAQ:
Q1: Are you trading company or manufacturer ?
A: We are factory.

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.

Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.

Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.

Q5. If you can’t find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we’ll check.
 


 

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Machinery, Marine, Agricultural Machinery
Function: Speed Changing
Layout: Cycloidal
Samples:
US$ 120/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

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

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

Preventing Backlash in a Worm Gearbox

Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:

  • High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
  • Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
  • Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
  • Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
  • Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
  • Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.

It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.

China supplier Professional Manufacture Speed Reducer Worm Gearboxes   differential gearbox	China supplier Professional Manufacture Speed Reducer Worm Gearboxes   differential gearbox
editor by CX 2023-09-21

China Custom Nmrv Series Aluminum Speed Reducer Durable Service Life Worm Gearbox comer gearbox

Product Description

 

Product Parameters

Editing and broadcasting of main materials

1. Body, die-casting aluminum alloy;

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

3. Worm gear, nickel bronze alloy;

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

5. Cast iron body, painted with bIu RA5571.

Regular center distance specification editing and broadcasting

Center distance: 130 (unit: mm).

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

Detailed Photos

 

NMRV-063-30-VS–AS-80B5-0.75KW-B3

NMRV

Means hole-input with flange

NRV

Means shaft-input without flange

063

Centre-to-centre spacing of worm-gear speed reducer

30

ratio

VS

Double input shaft

F1(FA)

Flange putput shaft

AS

Single output shaft

AB

Double output shaft

PAM

 

80B5

Motor mounting facility

0.75KW

 

B3

Mounting position

N2

NRV571

NRV030

NRV040

NRV050

NRV063

NRV075

NRV090

NRV110

NRV130

400

390

530

1571

1400

1830

2160

2390

3571

3950

250

460

620

1200

1650

2150

2520

2800

3530

4610

150

550

740

1420

1960

2450

2990

3310

4180

5470

100

630

850

1620

2250

2910

3430

3800

4790

6260

60

740

1000

1920

2660

3450

4060

4500

5680

7420

40

850

1150

2200

3050

3950

4650

5150

6500

8500

25

990

1350

2570

3570

4620

5440

6571

7600

9940

10

1350

1830

3490

4840

6270

7380

8180

10320

13500

 

 

 

 

 

 

 

 

 

 

A

50

65

84

101

120

131

162

191

203

B

38

50

64

76

95

101

122

151

163

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 movin

Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Expansion
Gear Shape: Bevel Gear
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 30/Piece
1 Piece(Min.Order)

|
Request Sample

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

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

Preventing Backlash in a Worm Gearbox

Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:

  • High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
  • Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
  • Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
  • Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
  • Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
  • Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.

It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.

China Custom Nmrv Series Aluminum Speed Reducer Durable Service Life Worm Gearbox   comer gearbox	China Custom Nmrv Series Aluminum Speed Reducer Durable Service Life Worm Gearbox   comer gearbox
editor by CX 2023-09-12

China Custom Nmrv Nrv Worm Gear Reducer 030 035 050 Nmrv Series Aluminum Material Worm Gearbox manufacturer

Product Description

Nmrv Nrv Low Speed Rpm Worm Speed Gear/ Gearbox / Reduction / Gear Box

Worm Gearbox Specification


 

Detailed Pictures

Other Related Products

 

Company Overview

  

Exhibitions:

Certificates:

 

About Greensky Mechanical
 
HISTORY: Greensky is a mechanical brand of CZPT Power Co., Ltd. With over 10 years’
mechanical manufacturing experiences, CZPT Power always strictly stands on the
principle of Best Customer Satisfaction.

QUALITY: Material Inspection, Production Control, Finished Goods Test, Pre-dellivery Inspection

MISSION: “Once and forever” is our goal to serve customers in the world. Once we do
business with customer, we will do business forever.

MARKET30 different countries, mainly Germany, Austria, Japan, USA and Middle-East.

DELIVERY100% on-time delivery Guaranteed.

SERVICESFast response in English, German, Japanese and Chinese languages.

OEMCustomized orders are welcome at CZPT Power.

 

Greensky Mechanical Products include:

1. AC (gear) motor
2. DC & BLDC (gear) motor
3. Worm gearbox
4. Helical gearbox
5. Coreless motor
6. External rotor motor
7. Motor controller
8. Customized motor

If you are looking for motors and gearboxes, please tell us about your requirement. We will provide a suitable drive solution for you.

We hope you enjoy cooperating with us.

Application: Motor, Machinery, Marine, Toy, Agricultural Machinery
Hardness: Hardened Tooth Surface
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Three-Step
Type: Worm Reducer

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.

Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

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 con

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.

trolled motion across various industries.

China Custom Nmrv Nrv Worm Gear Reducer 030 035 050 Nmrv Series Aluminum Material Worm Gearbox   manufacturer China Custom Nmrv Nrv Worm Gear Reducer 030 035 050 Nmrv Series Aluminum Material Worm Gearbox   manufacturer
editor by CX 2023-08-31

China high quality S Series Helical Gearbox for Machinery Worm Reducer Aluminum Housing Speed Reducer differential gearbox

Product Description

Product Parameters

S series geared motor speed reducer with 90 Degree Gear box

 

Components:
1. Housing: Cast Iron
2. Gears: Helical-worm Gears
3. Input Configurations: Equipped with Electric Motors
Solid Shaft Input, IEC-normalized Motor Flange
4. Applicable Motors:
Single Phase AC Motor, Three Phase AC Motor
Brake Motors, Inverter Motors
Multi-speed Motors, Explosion-proof Motor
Roller Motor
5. Output Configurations: CZPT Shaft Output
Hollow Shaft Output.

Features:
1. Modular design, compact structure

2. Low noise

3. Hollow output shaft with keyed connection, shrink disk, or torque arm

4. Can be combined with other types of gearboxes (Such as R Series, UDL Series)
 

Models

Output Shaft Dia.

Input Shaft Dia.

Power(kW)

Ratio

Max. Torque(Nm)

Solid Shaft

Hollow Shaft

S38

20mm

20mm

16mm

0.18~0.75

10.27~152

90

S48

25mm

25/30mm

16mm

0.18~1.5

11.46~244.74

170

S58

30mm

30/35mm

16mm

0.18~3

10.78~196.21

295

S68

35mm

40/45mm

19mm

0.25~5.5

11.55~22

520

S78

45mm

50/60mm

24mm

0.55~7.5

9.96~241.09

1270

S88

60mm

60/70mm

28mm

0.75~15

11.83~222

2280

S98

70mm

70/90mm

38mm

1.5~22

12.75~230.48

4000

 

Is it Possible to Reverse the Direction of a Worm Gearbox?

Yes, it is possible to reverse the direction of a worm gearbox by changing the orientation of either the input or output shaft. However, reversing the direction of a worm gearbox can have some implications that need to be considered:

  • Efficiency: Reversing the direction of a worm gearbox can potentially affect its efficiency. Worm gearboxes are typically more efficient in one direction of rotation due to the design of the worm and worm wheel.
  • Backlash: Reversing the direction of rotation might lead to increased backlash or play in the gearbox, which can impact precision and smooth operation.
  • Lubrication: Depending on the gearbox’s design, reversing the direction could affect lubrication distribution and lead to uneven wear on the gear teeth.
  • Load: Reversing the direction might also impact the gearbox’s load-carrying capacity, especially if it’s designed for predominantly one-way operation.
  • Noise and Vibration: Direction reversal can sometimes result in increased noise and vibration due to changes in gear engagement and meshing behavior.

If you need to reverse the direction of a worm gearbox, it’s advisable to consult the gearbox manufacturer’s guidelines and recommendations. They can provide insights into whether the specific gearbox model is suitable for reversible operation and any precautions or adjustments needed to ensure proper functioning.

Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Expansion
Gear Shape: Bevel Gear
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 150/Piece
1 Piece(Min.Order)

|
Request Sample

Preventing Backlash in a Worm Gearbox

Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:

  • High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
  • Proper Meshing: Ensure the worm gear and worm wheel are properly

    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.

    aligned and meshed. Improper meshing can lead to increased backlash.

  • Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
  • Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
  • Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
  • Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.

It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.

China high quality S Series Helical Gearbox for Machinery Worm Reducer Aluminum Housing Speed Reducer   differential gearbox	China high quality S Series Helical Gearbox for Machinery Worm Reducer Aluminum Housing Speed Reducer   differential gearbox
editor by CX 2023-08-29

China high quality RV Series Aluminium Worm Speed Reduction Gear Gearbox Reducer differential gearbox

Product Description

Worm Gear Speed Reducer Unit

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

Main Feature

The gearbox can rotate in both directions operate and contains 1 oil filling at delivery.  you will benefit from its high quality and a short delivery time.

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

|

Customized Request

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 an

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.

d 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 high quality RV Series Aluminium Worm Speed Reduction Gear Gearbox Reducer   differential gearbox	China high quality RV Series Aluminium Worm Speed Reduction Gear Gearbox Reducer   differential gearbox
editor by

Worm Gearboxes in Conveyor Systems: Benefits and Considerations

Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:

  • Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
  • High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
  • Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
  • Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
  • Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.

However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:

  • Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
  • Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
  • Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
  • Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.

Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.

CX 2023-08-22