Tag Archives: gear worm

China Good quality Good Quality Aluminum Housing Gearbox with Electric Motor Worm Gear Box gearbox design

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

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

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

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 Good quality Good Quality Aluminum Housing Gearbox with Electric Motor Worm Gear Box gearbox design
editor by CX 2024-03-27

China factory China Made Vf Worm Gear Reducer Fv Worm Gearbox for Textile Industry gearbox adjustment

Product Description

FV&FW reducer is another popular worm gear series. It is designed to be interchangeable with more gearboxes in the international market.
– High quality aluminum alloy casting, light weight, no rust;
– Available sizes: 30,44,49,63,75,86;
– High quality aluminum die casted case and flange, light weight, no rust;
– Large output torque;
– Aluminum gearboxes are lubricated with Synthetic oil for lifetime use. No maintaInence.
– Universal mounting for any position.

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.

FAQ

Q1. Is your quality good?
A1: Quality never tell lies, we’re the largest manufacturer and exporter of worm gear reducer in Asia, the first reducers and gearboxes manufacturer in China, who has been given license since 1993. Also, we had achieved ISO9001 and CE Certificate among all manufacturers.

Q2. How is your price? Can you offer any discount?
A2: We will give the best price we can base on your needs and the quantities.

Q3. Do you offer any visiting?
A3: Yes! We sincerely invite you to visit us! We can pick you from airport, railway station and so on. Also, we can arrange housing for you. Please let us know in advanced.

Q4. When is the best time to contact you?
A4: You can contact us by email any time, we will reply you ASAP. If you want contact by phone, our working hour is Mon-Sat 9am-17:30pm.

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

Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Coaxial
Gear Shape:	Bevel Gear
Step:	Single-Step
Type:	Worm Reducer

Customization:	Available \| Customized Request

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

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

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

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

worm gearbox

Worm 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 factory China Made Vf Worm Gear Reducer Fv Worm Gearbox for Textile Industry gearbox adjustment
editor by CX 2024-03-13

China Standard Wpdks Series Cast Iron Gear Speed Reducer Reduction Worm Gearbox with Good quality

Product Description

WPDKS Series Cast Iron Gear Speed Reducer Reduction Worm Gearbox

Product Description

WPDKS series worm gearbox is developed based on the WD reducer, the worm 45 # high-quality steel heat treatment processing. It has good wear resistance, especially in bearing capacity. It is mainly suitable for decelerating the transmission of various mechanical equipment such as plastics, metallurgy, beverage, mine, lifting and transportation, chemical construction, etc. WPDKSseries speed reducers can obtain a larger single-stage transmission gear ratio, compact, most models have better gear self-locking, and braking requirements for mechanical equipment can save brakes.

Product Parameters

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

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

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

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

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

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

worm gearbox

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

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 Wpdks Series Cast Iron Gear Speed Reducer Reduction Worm Gearbox with Good quality
editor by CX 2024-03-11

China manufacturer NMRV Series Worm Gear Box with Cast Iron Body with Hot selling

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 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

/* 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
Function:	Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Corner
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Single-Step

Customization:	Available \| Customized Request

worm gearbox

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

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

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

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

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.

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 manufacturer NMRV Series Worm Gear Box with Cast Iron Body with Hot selling
editor by CX 2024-03-11

China manufacturer Q800 CZPT Worm Gear Box with high quality

Product Description

Design
Armed with the idea of the small in volume,; light in weight and novel in pattern,; we designed and developed the CHINAMFG series gear operators which are wildly applied in the area of valve automation control.; These kinds of products were specially designed used for butterfly valve,; ball valve and plug valve together with YSPHA series pneumatic actuator

Feature
1,; Easy connection:; There are 2 keyway apart 90¡ In the inner hole of worm gear so as to be convenient for customer to choose relative position between gear operator and valve.;
2,; Easy operating:; Pull out the position pin and rotate off center device with 180¡ To realize pneumatic drive by positioning pin acted or to realize manual drive in the opposite way.;
3,; Dustproof and waterproof:; The gear operator is filled with special lubricant before leaving the factory.; It is CHINAMFG sealed with valve after installation possessing dustproof and waterproof function with protecting grade IP65.;
4,; Many Output torques:; It consists of a series of products,; so output torque matches with all kinds of pneumatic devices and valves.;

Operating principle
1,; Assembling procedures:; The bottom of gear operator should be connected with valve,; bracket surface connected with cylinder (actuator);,; valve stem go through the inner hole of worm gear and the square on the end of stem matches with square hole of cylinder (actuator);.;
2,; Operating procedures:; The cylinder (actuator); drives valve stem and worm gear rotating together when pneumatic drive and worm shaft meshes with worm gear to drive valve stem rotating along with piston of cylinder (actuator); moving when manual drive.; When pneumatic drive,; pull out the pneumatic drive by worm gear rotating following with pneumatic valve stem.; Just make the worm shaft mesh to realize manual drive.;

Gear Box Type	Ratio	Output (Torque Nm);	Input (Torque Nm);	Weight(KG);
EG350	44:;1	350	31.;25	6
EG700	52:;1	700	50	16.;3
EG1600	42:;1	1600	125	25
EG3000	72:;1	3000	155	49.;5

Casting Method:	Sand Casting
Casting Form Material:	Metal
Casting Metal:	Cast Iron
Casting Form Usage Count:	Permanent
Surface Treatment:	Polishing
Surface Roughness:	Ra0.05

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

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

What Industries Commonly Use Worm Reducers?

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.

China manufacturer Q800 CZPT Worm Gear Box with high quality
editor by CX 2024-03-10

China Best Sales RV75 Worm Gear Speed Reducer (IP55, ISO Certification reducer nmrv040) Gearbox cvt gearbox

Product Description

HangZhou CHINAMFG Machinery Co., Ltd.has been specialising in the manufacture and export of RV series worm gearboxes and other power transmission products for years, dedicated to provide to our customers good quality products in competitive prices. The main products are RV series worm gear speed reducers, UD series mechanical speed variators, G3 series helical geared motors and the specially designed reducers for polishing machines. Our products are widely used in the mechanical apparatus for foodstuff, ceramics, package, chemical, printing, and plastics, etc.

Xihu (West Lake) Dis.d by the idea, “Quality is the very key.”. the company proceeds in strict quality control to all the products, complying with the requirements of ISO9001:2008, and certificated, which has enabled our products to have enjoyed the successful sales, popularity and good reputation among the markets of Europe, Mid-east, and Souteast Asia..

Innovation, good quality, customers’ satisfication, and excellent service are the principles of the company. All customers at home and abroad are warmly welcome to contact us and negotiate for mutual business expansion.

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

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

Technical data:

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

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

Cargo delivery and shippment:

Samples and small quantity will be arranged via DHL or TNT,
Bulk cargo will be arranged via perfessional shipping agent
Urgent order can be prepared ready in 3-7 days when got the payment.

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

Application:	Motor
Hardness:	Hardened
Type:	Worm and Wormwheel

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

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

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 Sales RV75 Worm Gear Speed Reducer (IP55, ISO Certification reducer nmrv040) Gearbox cvt gearbox
editor by CX 2024-03-08

China wholesaler China Made Vf Worm Gear Reducer Fv Worm Gearbox Size 30 44 49 gearbox definition

Product Description

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

Weight (Kg):	0 Kg
Gearing Arrangement:	Worm
Input Speed:	1400r/Min
Warranty:	12 Months
Output Speed:	23.3-186.7r/Min
Product Name:	Vf Type Worm Gear Reducer

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 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 wholesaler China Made Vf Worm Gear Reducer Fv Worm Gearbox Size 30 44 49 gearbox definition
editor by CX 2024-03-08

China high quality High Quality Gear Motor Nmrv90 Aluminum Worm Gearbox for Industrial Machine Nmrv 90 Gearbox with Hot selling

Product Description

High Quality Gear Motor Nmrv90 Aluminum Worm Gearbox for Industrial Machine Nmrv 90 Gearbox

Input Configurations	Double or single input shaft (NRV)
	PAM / IEC motor input shaft with circle or square flange (NMRV)
Output Configurations	Double or single output shaft
	Output flange

Specification

Model	Motor Input Flange (circle)					Transmission Ratio												Power (kw)	Ratio (i)	Nominal Torque (Nm)
	PAM / IEC	Internal Dia.	Dis. Between Diagonal Screw Holes	External Dia.	Width of Key Slot	5	7.5	10	15	20	25	30	40	50	60	80	100
		N	M	P	E	Diamter of Input Shaft
NMRV25	56B14	50	65	80	3	9					–	9				–		0.06	7.5-60	2.6-14
NMRV30	63B5	95	115	140	4	11									–			0.06-0.18	7.5-80	2.6-14
	63B14	60	75	90
	56B5	80	100	120	3	9											–
	56B14	50	65	80
NMRV40	71B5	110	130	160	5	14								–				0.09-0.37	7.5-100	11-53
	71B14	70	85	105
	63B5	95	115	140	4	11
	63B14	60	75	90
	56B5	80	100	120	3	–								9
NMRV50	80B5	130	165	200	6	19							–					0.12-0.75	7.5-100	21-89
	80B14	80	100	120
	71B5	110	130	160	5	14											–
	71B14	70	85	105
	63B5	95	115	140	4	–							11
NMRV63	90B5	130	165	200	8	24							–					0.25-1.5	7.5-100	56-166
	90B14	95	115	140
	80B5	130	165	200	6	19										–
	80B14	80	100	120
	71B5	110	130	160	5	–							14
	71B14	70	85	105
NMRV75	100/112B5	180	215	250	8	–	28			–								0.55-4	7.5-100	90-269
	100/112B14	110	130	160
	90B5	130	165	200	8		24							–
	90B14	95	115	140
	80B5	130	165	200	6		–			19
	80B14	80	100	120
	71B5	110	130	160	–		–						14
NMRV90	100/112B5	180	215	250	8	–	28						–					0.55-4	7.5-100	101-458
	100/112B14	110	130	160
	90B5	130	165	200	8		24									–
	90B14	95	115	140
	80B5	130	165	200	6		–						19
	80B14	80	100	120
NMRV110	132B5	230	265	300	10	–	38				–							1.1-7.5	7.5-100	242-660
	132B14	130	165	200	–
	100/112B5	180	215	250	8		28									–
	90B5	130	165	200			–				24
	90B14	95	115	140	–
	80B5	130	165	200			–									19
NMRV130	132B5	230	265	300	10	–	38							–				2.2-7.5	7.5-100	333-1596
	132B14	130	165	200	–
	100/112B5	180	215	250	8		–				28
	90B5	130	165	200	–		–									24
	90B14	95	115	140
NMRV150	160B5	250	300	350	12	–	42					–						2.2-15	7.5-100	570-1760
	132B5	230	265	300	10		–			38					–
	132B14	130	165	200	–
	100/112B5	180	215	250	8		–							28

Company profile

Scenario

Packing

FAQ

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

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

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

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

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

Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors. /* 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
Hardness:	Hardened Tooth Surface
Installation:	B3,B6,B7,B8,V5,V6
Layout:	Coaxial
Gear Shape:	Cylindrical Gear
Step:	Single-Step

Customization:	Available \| Customized Request

worm gearbox

Self-Locking Properties in a Worm 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

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 high quality High Quality Gear Motor Nmrv90 Aluminum Worm Gearbox for Industrial Machine Nmrv 90 Gearbox with Hot selling
editor by CX 2024-03-06

China best Double Stage Nmrv Series Worm Gear Box for Industry with Best Sales

Product Description

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

Product Parameters

Editing and broadcasting of main materials

1. Body, die-casting aluminum alloy;

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

3. Worm gear, nickel bronze alloy;

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

5. Cast iron body, painted with bIu RA5571.

Regular center distance specification editing and broadcasting

Center distance: 130 (unit: mm).

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

Products Description

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

Feature
1. Mad of high-quality aluminum alloy,light weight and non-rusting
2. Large output torque
3. Smooth in running and low in noise,can work long time in dreadful conditions.
4. High in radiating efficiency.
5. Good-looking in appearance,durable in service life and small in volume.
6. Suitable for omnibearing installation.

contact-info.html

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

Detailed Photos

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

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

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

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

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.

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

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 Double Stage Nmrv Series Worm Gear Box for Industry with Best Sales
editor by CX 2024-03-04

China Best Sales Factory High Quality Wp Series 90 Degree Worm Reduction Gear Box for Electric Motor manufacturer

Product Description

Factory high quality WP series 90 degree worm reduction gear box for electric motor

Features:
1. Different variants, both input and output shafts can be mounted horizontally or vertically

2. Compact structure

3. Direct drive or indirect drive available

4. Output could be CHINAMFG shaft or hollow hole

Product Parameters

Model Ratio

0.4

0.33

0.26

0.24

0.22

0.16

0.14

o.12

0.65

0.52

0.40

0.37

0.34

0.27

0.24

0.20

1.00

0.82

0.65

0.59

0.54

0.45

0.40

0.32

1.60

1.35

1.10

0.96

0.82

0.67

0.61

0.52

2.20

1.78

1.36

1.28

1.20

0.90

0.80

0.75

100

3.60

3.10

2.60

2.35

2.10

1.68

1.30

1.00

120

5.20

4.35

3.50

3.25

3.00

2.20

1.90

1.50

135

9.75

7.85

6.00

5.50

5.00

3.69

2.89

2.30

147

10.71

8.43

6.18

5.71

5.23

3.84

3.09

2.52

155

12.80

9.90

7.00

6.53

6.00

4.40

3.61

3.00

175

17.30

13.60

10.00

9.13

8.30

6.18

4.85

4.07

200

22.60

18.20

13.86

12.75

11.67

8.78

6.71

5.58

250

33.20

27.40

21.60

20.00

18.43

14.00

10.43

8.62

Product Description

(1)Worm gear reducer is a power transmission mechanism, the use of gear speed converter, the motor (motor) the number of rotation to slow down to the number of rotation, and get a larger torque mechanism. At present, the application of speed reducer is widely used in the mechanism of transmitting power and motion.

(2)In all kinds of mechanical transmission system can see traces of it, from the transport ships, automobiles, motorcycles, construction heavy machinery, industrial machinery processing equipment and automated production equipment, to the common daily life appliances, clocks and watches, and so forth. Its application from the transmission of large power, to a small load, the precision of the angle of transmission can be seen in the application, and in industrial applications, the reducer has a reduction and increase the torque function. So it is widely used in speed and torque conversion equipmen

The role of main reducer:

1, reduce speed and increase the output torque, torque output ratio of motor output by the deceleration ratio, but should pay attention to not exceed the speed reducer rated torque.
2, deceleration while reducing the load inertia, inertia is reduced to the square of the reduction ratio. We can look at the General Motors has a value of inertia.

Company Profile

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Application:	Electric Cars, Motorcycle, Agricultural Machinery, Car, Power Transmission
Layout:	Three-Ring
Hardness:	Hardened Tooth Surface
Installation:	Torque Arm Type
Type:	Worm Gear Box
Customized Support:	OEM, ODM, Obm

Samples:	US$ 50/Piece 1 Piece(Min.Order) \| Request Sample

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

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

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

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

worm gearbox

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.

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 Best Sales Factory High Quality Wp Series 90 Degree Worm Reduction Gear Box for Electric Motor manufacturer
editor by CX 2024-03-04