Tag Archives: gearbox

China wholesaler Boat Lift Worm Gear Reducer Large Torque Gearbox comer gearbox

Product Description

Detailed Images

Detailed Images of Worm Gear Reducer NMRV 130 150

Fixedstar Upgraded Gear Reducer Models

Product Description

Specifications of Worm Gear Reducer NMRV 130 150

item	Worm Gear Reducer Worm Gearbox
Warranty	1 Year
Applicable Industries	Manufacturing Plant, Food & Beverage Factory, Farms, Construction works , Energy & Mining, Other
Weight (KG)	6.2
Customized support	OEM
Place of CHINAMFG	China
	ZHangZhoug
Brand Name	CHINAMFG
Gearing Arrangement	Worm
Output Torque	2.6-1650Nm
Input Speed	1400rpm
Output Speed	0.5-186.7rpm
Product name	Worm Gear Reducer Worm Gearbox
Size	130 150
Ratio	5/7.5/10/15/20/25/30/40/50/60/80/100
Worm Wheel Material	12-2 Tin Bronze
Worm Shaft Material	20CrMnTi
Bearing	C&U
Oil Seal	CHINAMFG CHINAMFG
Lubricant Oil	Synthetic Oil
Color	Blue(RAL5571)/Silver Grey (RAL9571)/Custom-Made

Description of Worm Gear Reducer NMRV 130 150

Made of high-quality aluminium alloy, light weight and non-rusting.

The reducer model from 25 to 90 are made of aluminum alloy die-casting material, model 110-150 are made of cast iron. It’s good looking in appearance, compact in structure, rust proofing on surface and small volume to save mounting space.
Large output torque and high radiating efficiency, the strong capacity of loading ensure stable transmission, make less vibration and noise.
Suitable for omnibearing installation, varies of connecting structure for different requirements.
*Inch sizes reducer are available.

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

Drawings of Worm Gear Reducer NMRV 130 150

Packing & Delivery

Packaging Pictures of Worm Gear Reduce and Helical Geared Motor

Inner Packing: PP bag with carton;
Outer Packing: Carton boxes and wooden cases;
Leadtime: 20-30 days CHINAMFG order confirm.

About Us

Welcome to CHINAMFG Group, China’s leading gearbox manufacturer since 1976. Our journey, spHangZhou over 4 decades, has established us as a benchmark of CHINAMFG in the power transmission industry.

We proudly made history in the 1980s by exporting the first China-made reducer and have since maintained our status as China’s top gearbox exporter.Today, we proudly export 70% of our products to more than 40 countries, including key markets like Italy, Germany, the USA, Spain, Brazil, Argentina, Turkey, and India.

Our extensive product range includes worm gear reducers, helical gearboxes, shaft-mounted reducers, helical bevel gearboxes, and slewing drives.These products are vital across various sectors, from industrial production equipment, power, and mining to metallurgy, agriculture, construction, and marine, as well as in the burgeoning clean energy sector.

Our team of experts, among the world’s best, upholds the highest standards for both standard and OEM products. Driven by innovation and cutting-edge technology, we prioritize quality and our customers’ needs. Our state-of-the-art facilities, equipped with the latest machinery and a team of seasoned professionals, ensure consistent quality and impressive daily output. We’re proud to produce 4,000 units daily, totaling over 1.2 million units annually.

We cordially invite you to visit us and witness first hand why CHINAMFG Group is the gem of China’s gearbox manufacturing. Seeing is believing, and we eagerly anticipate demonstrating our expertise and craftsmanship. Join us in driving the future forward.

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

Application:	Machinery, Marine, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Vertical
Gear Shape:	Bevel Gear
Step:	Single-Step

Customization:	Available \| Customized Request

worm gearbox

How to Install and Align a Worm Reducer Properly

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

Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
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.
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.
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.
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.
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.
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.
Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

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

worm gearbox

Worm Gearbox 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 wholesaler Boat Lift Worm Gear Reducer Large Torque Gearbox comer gearbox
editor by CX 2024-05-13

China Hot selling High Quality Worm Gear Reducer Aluminum Alloy Vf90 Worm Gearbox gearbox and motor

Product Description

Gearbox type: VF-worm gearbox, VFR-helical worm gear unit, VF/VF -combined gearbox

VF/VF30/44-VF/VF/VF86/150(Two-Stage)

VF series worm reducer’s feature:

1.Compact structure,light size ,small and high efficiency

2.Good funciation of heat exchange ,rapid heat rejection

3.Easy installation aand flexible connecting style.Eage insy for maintaining and checking

4.Large in both transmission ratio and twisting distance resulting to a high capacity of bearing and loading

5.Widely application,little noise,long lasting

6.Widely applicable and liable

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

roduct Name	Aluminum Alloy VF series vf30 to vf150 worm gearbox gear reduction reducer electric motor reductor
Color	Blue/Silver Or On Customer Request
Model	VF 30 VF40 VF50 VF63 VF75 VF90 VF105 VF 110 VF 130 VF 150
Ratio	5 7.5 100
Material of Housing	Casting Iron, Aluminum alloy
Output Form	Solid shaft,/hollow shaft
input Speed	1400r/min
Output Speed	7.5-100RPM
Frequency	50Hz
Usages	Industrial Machine: Food Stuff, Ceramics,CHEMICAL,Packing,Dyeing,Woodworking,Glass.
Output torque	5N.m
Customized support	OEM, ODM, OBM
Output Torque	2.6-346N.M

Detailed Photos

FAQ

1. How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

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

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

Application:	Motor, Machinery, Marine, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type
Layout:	Coaxial
Gear Shape:	Cylindrical Gear
Step:	Single-Step

Samples:	US$ 137/Piece 1 Piece(Min.Order) \| Request Sample

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

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.

China Hot selling High Quality Worm Gear Reducer Aluminum Alloy Vf90 Worm Gearbox gearbox and motor
editor by CX 2024-05-06

China high quality Agriculture Machinery Gearbox with Different Model with Great quality

Product Description

Agriculture machinery gearbox

1. Product Description

MODEL	INPUT DATA					OUTPUT DATA
MODEL	Ratio	Maximum Rpm	KW	HP-CV	N.M	N.M	R.P.M
AC78845A/B	1:1.93	800	30	40	358	185	1544
RC	1:1.93	800	30	40	358	185	1544
RC5/BB60X	1:1.69	800	37	50	440	260	1352
AC78846A/B	1:1.93	540	55	75	972	504	1042
612619	1:1.93	540	74	100	1308	678	1042
612666	1:1.46	540	74	100	1308	896	680
BB84X	1:1.26	540	67	90	1184	940	680
RC81-000-01	1:1.923	540	74	100	1308	680	1038
RC81-000-02	1:1.46	540	74	100	1308	896	788
75356-192	1:1.92	540	97	130	1715	893	1037
75356-146	1:1.46	540	97	130	1715	1175	788
74823-19	1:1.87	540	97	130	1715	918	1009
74823-14	1:1.39	540	97	130	1715	1235	750
GT40U.B	3:1	540	44	60	778	2334	180
SF-100	1:1	540	15	20	265	265	540
MCT-100A1	7.5:1	540	29.5	40	521	3912	72
MCT-100A2	22.5:1	540	29.5	40	521	11738	24
DCR1-0000	2.4:1	540	37	50	654	1570	225

2. More Products

3. The Drawing Of Gear Box

4. Production and Packing

5.Shipping

6.Our Company

HangZhou CHINAMFG Tech.Machinery Co.,Ltd was founded in 2003. It is located at HangZhou County, HangZhou City, closed to 204 National Road.Our main products: 1. all kinds of drive shaft 2.all kinds of gera box 3. Farm machinery: IMT500 inorganic fertilizer spreader, HMT05S organic fertilizer spreader, 3M rotovator , 3M wet-paddy field rotary, King 185 deep cultviating machine and so on. 4.The machinery parts: many kinds of Gear, Shaft, Flang, ,Gear box, Laser parts, Stamping parts and so on.

7. FAQ

1. Q: Are your products forged or cast?

A: All of our products are forged.

2. Q: What’s your MOQ?
A: 20 PCS for each type. We accept the sample order.
3. Q: What’s the horse power of the pto shaft are available?
A: We provide a full range of pto shaft, ranging from 16HP-200HP.
4. Q: How many splined specification do you have ?
A: We produce 1 1/8″-Z6, 1 3/8″-Z6, 1 3/4″-Z6, 1 3/8″- Z21, 1 3/4″-Z20, 8X42X48X8 and 8X32X38X6 splines.
5. Q: How about the warranty?
A: We guarantee 1 year warranty. With quality problems, we will send you the new products for free within next shipment.
6. Q: What’s your payment terms?
A: T/T, L/C, D/A, D/P….
7. Q: What is the delivery time?
A: 40 days after receiving your advanced deposit.

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

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Cycloidal
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Four-Step

Customization:	Available \| Customized Request

worm gearbox

Maintenance Tips for Prolonging the Life of a Worm Gearbox

Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:

Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.

By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.

worm gearbox

Materials Used for Worm Gears

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

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

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

worm gearbox

How to Select the Right Worm Gearbox for Your Application

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

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

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

China high quality Agriculture Machinery Gearbox with Different Model with Great quality
editor by CX 2024-05-03

China Professional Low Noise 20: 1 Ratio RV90 Speed Reducer Direct Coupled Worm Gearbox with Great quality

Product Description

Why Choose Us

Product Details

Type	Worm Gear Speed Reducer/ gearbox
Model	WMRV 25/30/40/50/63/75/90/110/130/150/185
Ratio	7.5,10,15,20,25,30,40,50,60,80,100.
Color	Blue(RAL5571)/Silver grey (K9149) Or On Customer Request
Material	Housing: Aluminum alloy(size 25~90) / Cast iron(size 110~185)
	Worm wheel: Aluminum Bronze or Tin Bronze
	Worm shaft: 20CrMn Ti
	Output Shaft: steel-45#
Packing	Carton, Honey Comb Carton, Wooden Case with wooden pallet
Warranty	1 Year
Input Power	0.09kw,0.18kw,1.1KW,1.5KW,2.2KW,3KW,4KW,5.5KW,7.5KW,11Kw and so on.
Usages	Industrial Machine: Food Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wood working, Glass.
IEC Flange	IEC standard flange or on customer request
Lubricant	Synthetic oil or worm gear oil

Company Profile

Exhibition

Customized Service

Certificate&Honor

Customer Comments

FAQ

1. How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor information etc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

4. Do you sell motors?
We have stable motor suppliers who have been cooperating with us for a long-time. They can provide motors
with high quality.

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

Application:	Motor, Machinery, Agricultural Machinery
Function:	Distribution Power, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial

Samples:	US$ 25/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

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

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

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

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

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

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

China Professional Low Noise 20: 1 Ratio RV90 Speed Reducer Direct Coupled Worm Gearbox with Great quality
editor by CX 2024-04-30

China high quality RV Combination Nmrv Worm Reducer Gearbox car gearbox

Product Description

rv Combination Nmrv Worm Reducer Gearbox

Product Description

RV 571-150 worm gear box with flange and electric motor

RV+NMRV Double Stage Arrangement Reduction Gear Box
RV Series Worm Gearbox
worm speed reducer
rv worm gear motor

RV Series
Including RV / NMRV / NRV.
Main Characteristic of RV Series Worm Gearbox
RV series worm gear reducer is a new-generation product developed by CHINAMFG on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad.
1. High-quality aluminum alloy, light in weight and non-rusting.
2. Large in output torque.
3. Smooth running and low noise,durable in dreadful conditions.
4. High radiation efficiency.
5. Good-looking appearance, durable in service life and small volume.
6. Suitable for omnibearing installation.

Main Materials of RV Series Worm Gearbox
1. Housing: die-cast aluminum alloy(frame size: 571 to 090), cast iron(frame size: 110 to 150).
2. Worm: 20Crm, carbonization quencher heat treatment makes the surface hardness of worm gears up to 56-62 HRX, retain carbonization layer’s thickness between 0.3 and 0.5mm after precise grinding.
3. Worm Wheel: wearable stannum bronze alloy.

SPEED RATIO	7.5~100
OUTPUT TORQUE	<1050NM
IN POWER	0.09-11KW
MOUNTING TYPE	FOOT-MOUNTED FLANGE-MOUNTED

When working, great load capacity, stable running, low noise with high efficiency.
Gear Box’s Usage Field
1	Metallurgy				11	Agitator
2	Mine				12	Rotary weeder
3	Machine				13	Metallurgy
4	Energy				14	Compressor
5	Transmission				15	Petroleum industry
6	Water Conserbancy				16	Air Compressor
7	Tomacco				17	Crusher
8	Medical				18	Materials
9	Packing				19	Electronics
10	Chemical industry				20	Textile indutry
…					…
Power	0.06kw	0.09kw	0.12kw	0.18kw	0.25kw	0.37kw	0.55kw
	0.75kw	1.1kw	1.5kw	2.2kw	3kw	4kw	5.5kw
	7.5kw	11kw	15kw
Torque	2.6N.m-3000N.m
Ratio	7.5-100, the double gearbox is more
Color	Blue, Silver or as customers’ need
Material	Iron or Aluminium
Packing	Carton with Plywood Case or as clients’ requirement
Type	RV571	RV030	RV040	RV050	RV063	RV075	RV090
Weight	0.7kg	1.3kg	2.3kg	3.5kg	6.2kg	9kg	13kg
Type	RV110	RV130	RV150
Weight	35kg	60kg	84kg
Mounting Methods	Foot Installation				Flange Installation
Mounting Methods	For various mortor or double input/output shafts can be equipped

Product picture:

Structure:
Packing & Delivery:

Our company :

Customer visiting:

FAQ:
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,
P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more
than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set
Contact:

Welcome you contace me if you are interested in our product.
Our team will support any need you might have. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Machinery, Industry
Function:	Speed Changing, Speed Reduction
Layout:	Orthogonal
Hardness:	Hardened
Installation:	Horizontal Type
Step:	Double-Step

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 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

Advantages of Using a Worm Reducer in Mechanical Systems

Worm reducers offer several advantages that make them suitable for various mechanical systems:

High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.

Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.

China high quality RV Combination Nmrv Worm Reducer Gearbox car gearbox
editor by CX 2024-04-23

China Standard Transmission Nmrv 25-130 Gear Box Motor Reduction Speed Reducer Worm Gearbox planetary gearbox

Product Description

PROFESSIONAL MANUFACTURE
— SINCE 1995

NMRV RV Transmission Nmrv 25-130 Gear Box Motor Reduction speed Reducer Worm Gearbox

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

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

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

Product Description

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

The transmission efficiency reach up to 96%.

The gear processed by Carburizing, Nitriding & Grinding.

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

Support various of installation method.

Product Parameters

Size

NMRV25

NMRV30

NMRV40

NMRV50

NMRV63

NMRV75

NMRV90

NMRV110

NMRV130

Flange Type

56B14

63B5

71B5

80B5

90B35

100/112B35

132B35

63B14

63B5

71B5

80B5

90B35

100/112B35

170

63B5

71B5

80B5

90B35

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

Detailed Photos

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

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

Working principle of gear reducer :

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

Packaging & Shipping

Application

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

Company Profile

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

FAQ

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

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

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

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

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

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

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

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Order Sample Gear Box Motor speed Reducer Worm Gearbox

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

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

worm gearbox

Calculating Gear Ratio in a Worm Reducer

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.

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:

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.
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.
Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
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.
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.
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.
Use Proper Lubricant: Ensure that you’re using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
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.
Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
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

Advantages of Using a Worm Reducer in Mechanical Systems

Worm reducers offer several advantages that make them suitable for various mechanical systems:

High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.

China Standard Transmission Nmrv 25-130 Gear Box Motor Reduction Speed Reducer Worm Gearbox planetary gearbox
editor by CX 2024-04-22

China Best Sales Nmrv Worm Speed Gearbox Speed Ratio 30 cvt gearbox

Product Description

Characteristics:
(1)Large output torque
(2) Safe, reliable, economical and durable
(3) Stable transmission, quiet operation
(4) High heat-radiating efficiency, high carrying ability
(5) Combination of 2 single-step worm gear speed reducers, meeting the requirements of super speed ratio
(6) Mechanical gearboxes are widely used in the sectors,like foodstuff, ceramics, and chemical manufacturing, as well as packing, printing, dyeing and plastics
Technical data:
(1) Motor input power:0.06kw-15kw
(2) Output torque:4-2320N.M
(3) Speed ratio of worm gear peed reducer: 5/10/15/20/25/30/40/50/60/80/100
(4) With IEC motor input flange: 56B14/71B14/80B5/90B5…
Materials:
(1)   NMRV571-NMRV090: Aluminium alloy housing
(2)   NMRV110-150: Cast iron housing
(3)   Bearing: CHINAMFG bearing & Homemade bearing
(4)   Lubricant: Synthetic & Mineral
(5) The material of the worm mandrel is HT250, and the worm ring gear is ZQSn10-1.
(6) With high quality homemade bearings, assembled CHINAMFG oil seals & filled with high quality lubricant.
Operation&mantenance
(1)When worm speed reducer starts to work up to200-400 hours, its lubricant should be replaced.
(2)The gearbox need to replace the oil after 4000 hours.
(3)Worm reduction gearbox is fully filled with lubricant oil after finshed assembly.
(4)Lubricanting oil should be kept enough in the casing and checked at a fixed time.
Color:
(1)   Blue / Light blue
(2)   Silvery White
Quality control
(1) Quality guarantee: 1 year
(2) Certificate of quality: ISO9001:2000
(3) Every product must be tested before sending

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

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

Application:	Reducer
Function:	Speed Reduction
Layout:	Cycloidal

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

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

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

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

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 Best Sales Nmrv Worm Speed Gearbox Speed Ratio 30 cvt gearbox
editor by CX 2024-04-19

China best Sat77 Torque Arm Mounted Helical-Worm Gear Gearbox best automatic gearbox

Product Description

Product Features

High modular design, biomimetic surface with owned intellectual property right.
Adopt German worm hob to process the worm wheel.
With the special gear geometry, it gets high torque, efficiency and long life circle.
It can achieve the direct combination for 2 sets of gearbox.
Mounting mode: foot mounted, flange mounted, torque arm mounted.
Output shaft: CHINAMFG shaft, hollow shaft.

Main applied for
Chemical industry and environmental protection
Metal processing
Building and construction
Agriculture and food
Textile and leather
Forest and paper
Car washing machinery

Detailed Photos

Product Parameters

Technical data:

Housing material	Cast iron/Ductile iron
Housing hardness	HBS190-240
Gear material	20CrMnTi alloy steel
Surface hardness of gears	HRC58°~62 °
Gear core hardness	HRC33~40
Input / Output shaft material	42CrMo alloy steel
Input / Output shaft hardness	HRC25~30
Machining precision of gears	accurate grinding, 6~5 Grade
Lubricating oil	GB L-CKC220-460, Shell Omala220-460
Heat treatment	tempering, cementiting, quenching, etc.
Efficiency	94%~96% (depends on the transmission stage)
Noise (MAX)	60~68dB
Temp. rise (MAX)	40°C
Temp. rise (Oil)(MAX)	50°C
Vibration	≤20µm
Backlash	≤20Arcmin
Brand of bearings	China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, SKF, FAG, INA, NSK.
Brand of oil seal	CHINAMFG — ZheJiang or other brands requested

Our Advantages

Certifications

Packaging & Shipping

Company Profile

Xihu (West Lake) Dis.ng Transmission Equipment Co., Ltd. located HangZhou city, ZHangZhoug, as 1 professional manufacturer and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox , AC motor and relative spare parts, owns rich experience in this line for many years.

We are 1 direct factory, with advanced production equipment, the strong development team and producing capacity to offer quality products for customers.

Our products widely served to various industries of Metallurgy, Chemicals, lifting,mining,Petroleum,textile,medicine,wooden etc. Main markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to ask us any questions, good offer always for you for long term business.

FAQ

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

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.

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

Q:How to choose a gearbox which meets your requirement?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

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

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

worm gearbox

Calculating Gear Ratio in a Worm Reducer

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.

worm gearbox

Does a Worm Reducer Require Frequent Maintenance?

Worm reducers generally require less frequent maintenance compared to some other types of gearboxes due to their design and operating characteristics. However, maintenance is still essential to ensure optimal performance and longevity. Here are some key points to consider:

Lubrication: Proper lubrication is crucial for worm gearboxes. Regularly check the lubricant level and quality to prevent wear and overheating. Lubricant should be changed as recommended by the manufacturer.
Inspections: Periodically inspect the gearbox for signs of wear, damage, or oil leaks. Check for any unusual noises, vibrations, or changes in performance that could indicate a problem.
Tightening and Alignment: Check and tighten any loose fasteners and ensure that the gearbox is properly aligned. Misalignment can lead to increased wear and reduced efficiency.
Seal Maintenance: Inspect and maintain seals to prevent oil leakage and contaminants from entering the gearbox.
Cleaning: Keep the gearbox clean from debris and contaminants that could affect its performance. Regular cleaning can prevent premature wear and damage.
Load and Speed: Ensure that the gearbox is operating within its rated load and speed limits. Exceeding these limits can lead to accelerated wear and potential failure.
Environmental Conditions: Consider the operating environment of the gearbox. Extreme temperatures, humidity, and other factors can impact the gearbox’s performance and longevity.

While worm gearboxes are known for their durability and self-locking feature, neglecting maintenance can lead to premature wear, reduced efficiency, and potential breakdowns. Following the manufacturer’s recommendations for maintenance intervals and procedures is essential to keep the worm reducer in optimal condition.

worm gearbox

Advantages of Using a Worm Reducer in Mechanical Systems

Worm reducers offer several advantages that make them suitable for various mechanical systems:

High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.

China best Sat77 Torque Arm Mounted Helical-Worm Gear Gearbox best automatic gearbox
editor by CX 2024-04-15

China Best Sales Transmission RV Aluminium Cast Iron Geared Motor Worm Drive Gearbox Reducer best automatic gearbox

Product Description

Why Choose Us

Product Details

Type	Worm Gear Speed Reducer/ gearbox
Model	WMRV 25/30/40/50/63/75/90/110/130/150/185
Ratio	7.5,10,15,20,25,30,40,50,60,80,100.
Color	Blue(RAL5571)/Silver grey (K9149) Or On Customer Request
Material	Housing: Aluminum alloy(size 25~90) / Cast iron(size 110~185)
	Worm wheel: Aluminum Bronze or Tin Bronze
	Worm shaft: 20CrMn Ti
	Output Shaft: steel-45#
Packing	Carton, Honey Comb Carton, Wooden Case with wooden pallet
Warranty	1 Year
Input Power	0.09kw,0.18kw,1.1KW,1.5KW,2.2KW,3KW,4KW,5.5KW,7.5KW,11Kw and so on.
Usages	Industrial Machine: Food Stuff, Ceramics, CHEMICAL, Packing, Dyeing,Wood working, Glass.
IEC Flange	IEC standard flange or on customer request
Lubricant	Synthetic oil or worm gear oil

Company Profile

Exhibition

Customized Service

Certificate&Honor

Customer Comments

FAQ

4. Do you sell motors?
We have stable motor suppliers who have been cooperating with us for a long-time. They can provide motors
with high quality.

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

Application:	Motor, Machinery, Agricultural Machinery
Function:	Distribution Power, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial

Samples:	US$ 25/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

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:

Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
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.
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.
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.
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.
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.
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.
Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
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.

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.

worm gearbox

What is a Worm Gearbox and How Does It Work?

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

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

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

China Best Sales Transmission RV Aluminium Cast Iron Geared Motor Worm Drive Gearbox Reducer best automatic gearbox
editor by CX 2024-04-13

China factory S Series Helical Worm Transmission Gear Reducer /Gear Motor/Motor Reducer/Gear Units/Gearbox gearbox drive shaft

Product Description

S Series Helical Worm Transmission Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox

< ABOUT TILI

Technical data

Product Name	S Series Helical Worm Transmission Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox
Power	0.12KW~30KW
Nominal output torque	9~ 8425N · m
Output speed	0.1 ~ 374r/min
Gear material	20CrMnTi alloy steel
Gear Processing	Grinding finish by HOFLER Grinding Machines
Noise Test	Below 65dB
Brand of bearings	C&U bearing, ZWZ, LYC, HRB, CHINAMFG , etc
Brand of oil seal	NAK or other brand
Temp. rise (MAX)	40ºC
Temp. rise (Oil)(MAX	50ºC
Vibration	≤20µm
Housing hardness	HBS190-240
Surface hardness of gears	HRC58°~62 °
Gear core hardness	HRC33~40
Machining precision of gears	5 Grade
Lubricating oil	GB L-CKC220-460, Shell Omala220-460
Heat treatment	Carburizing, Quenching etc
Efficiency	95%~96% (depends on the transmission stage)
Bearing output mode	Parallel output
Installation type and output mode	Bottom seated type flange type installation, solid,hollow shaft output.
Input mode	Direct motor, shaft input and connecting flange input
Input Method	Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor

Installation Instructions

Company Profile

< WORKSHOP

< QUALITY CONTROL

Certifications

Packaging & Shipping

FAQ

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

Q 2:Can you do OEM?
A:Yes, we can. We can do OEM for all the customers .if you want to order NON-STANDERD speed reducers,pls provide Drafts, Dimensions, Pictures and Samples if possible.

Q 3: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 4: Do you have inspection procedures for reducer?
A:100% self-inspection before packing.

Q 5: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 6:How to choose a gearbox? What if I don’t know which gear reducer I need?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide,the technical information of required output torque, output speed and motor parameter etc. Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.

Q 7: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, Size , Transmission Ratio, input and output type, input flange, mounting position, motor information and shaft deflection etc. b)Housing color.c) Purchase quantity. d) Other special requirements

Q 8:What is the payment term?
A:You can pay via T/T(30% in advance as deposit before production +70% before delivery

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

Application:	Motor, Machinery, Agricultural Machinery
Function:	Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Vertical Output

Customization:	Available \| Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost: Estimated freight per unit.	about shipping cost and estimated delivery time.

Payment Method:
	Initial Payment Full Payment

Currency:	US$

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

worm gearbox

Self-Locking Properties in a Worm Gearbox

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

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

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

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

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

worm gearbox

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.

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.

China factory S Series Helical Worm Transmission Gear Reducer /Gear Motor/Motor Reducer/Gear Units/Gearbox gearbox drive shaft
editor by CX 2024-04-08