Tag Archives: gear gearbox

China best Good Build Quality Wmrv Wholesale Gear Worm Reducer Gearbox Gearmotor Manufacture 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

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

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

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 Good Build Quality Wmrv Wholesale Gear Worm Reducer Gearbox Gearmotor Manufacture best automatic gearbox
editor by CX 2024-04-15

China Standard Helical Gear Reducer Inch Shaft Made High Quality Logistics Gearbox synchromesh gearbox

Product Description

1 Twin Tapered Output Hub
A tapered bore in both sides of the reducer’s output hub snugs up against a matching taper on the outer surface of the bushing. Bushing mounting screws pass through the bushing flange into a mounting collar on the hub. As the screws are tightened, the bushing moves inward, gripping the driven machine’s input shaft tightly and evenly around every pointon its circumference. It is easy-on, easy-off. All the Output Bushing Bore accord to ANSI

2 Precision High Quality Gearing
Computer Design Helical Gears, Strong Alloy Materials for High Load Capacity, Case Carburized for long life, Ground Profile CHINAMFG tooth Profile, In
Conformance with ISO 1328-1997, 98% Efficiency for Per Stage, Smooth Quiet Operation with Several Teeth in Mesh.

3 Maximum Capacity Housing Design
Close Grain Cast Iron Construction, Excellent Vibration Dampening & Shock Resistance Features, Precision Bored and Dowelled to Ensure Accurate In-Line Assembly.

4 Strong Alloy Steel Shafts
Strong Alloy Steel, Hardened, Ground on Journals, Gear Seatings and Extensions, for Maximum Load and Maximum Torsional Loads. Generous Size Shaft Keys for Shock Loading.

5 Use adapter for mount the torque arm, increase the strength of the gear case, the torque armeasy-on and easy-off and reliability, controls position of standard torque arm mounting within recommended limits.

6 BackStops
Alternative Parts, anti-run back device, are available on all 19:1, 15:1 and 25:1 ratio units.

7 Bearings and Oilseals
Bearings are all tapered roll bearings(Except SMRY-2), have long time service time. Oilseals are Double Lipped Garter Spring Type, Ensuring Effective Oil Sealing.

8 Torque Arm Assembly
For Easy Adjustment of the Belt.

size	Nominal ratio 15:1			Nominal ratio 25:1			weight lbs
size	Actual Ratio	Maximum Input rpm	Maximum Ouput rpm	Actual Ratio	Maximum Input rpm	Maximum Ouput rpm	weight lbs
SMRY-2	14.04	1974	140	23.37	1994	85	58
SMRY-3	14.87	2083	140	24.75	2100	85	98
SMRY-4	15.13	2118	140	24.38	2072	85	139
SMRY-5	15.4	1925	125	25.56	2044	80	207
SMRY-6	15.34	1916	125	25.14	2571	80	285
SMRY-7	15.23	1827	120	24.84	1863	75	462
SMRY-8	15.08	1809	120	24.62	1847	75	633
SMRY-9	15.12	1814	120	25.66	1925	75	760

Company Profile

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

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

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

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

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

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

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

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

Looking CHINAMFG to meeting you in HangZhou, China.

/* 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, Reducer
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type
Layout:	Coaxial
Gear Shape:	Bevel Gear
Step:	Double-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

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

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 Standard Helical Gear Reducer Inch Shaft Made High Quality Logistics Gearbox synchromesh gearbox
editor by CX 2024-04-04

China OEM Made in China Gearbox Manual Override Declutchable Gear for Pneumatic Actuator car gearbox

Product Description

Description

^{HDM De-clutchable wormgear offers simple and reliable manual positioning of the valves, dampers and other quarter-turn devices when overriding existing pneumatic, electric or hydraulic quarter-turn actuators. All unit are suitable for both indoor and outdoor installation. The modular design is to provide the most efficient and effective solution to a full range of manual overriding requirements.}

Main Product features

To engage manual operation, first pull out the lock handle and then rotate the clutch lever in anti-clockwise direction until engagement takes place. To return to automatic mode, first pull out the lock handle and then rotate the clutch lever in clockwise.

Remark:The bottom center of the HDM-4 is either F10/F14 or F10/F12

New Manual Override

Countershaft

Valve Connection

Actuator Connection

4-M1

4-M2

4-Φ1

4-Φ2

HDM-1

Φ50

4-M6

Φ70

4-M8

70*70

Φ50

4-Φ6.5

Φ70

4-Φ8.5

HDM-2

Φ70

4-M8

Φ102

4-M10

95*95

Φ70

4-Φ8.5

Φ102

4-Φ10.5

HDM-3

Φ102

4-M10

Φ125

4-M12

114*114

Φ102

4-Φ10.5

Φ125

4-Φ12.5

HDM-4

Φ102

4-M10

Φ125

4-M12

129*129

Φ125

4-Φ12.5

Φ140

4-Φ16.5

HDM-5

Φ140

4-M16

156*156

Φ140

4-Φ17

Φ165

4-Φ21

HDM-6

Φ165

4-M20

160*160

Φ165

4-Φ22

New Manual Override	A	B	ΦC	F	T	Y	H	S	K	Ratio	Rated Input	Rated Onput
HDM-1	90	55	Φ88	115	44	145	120	53	10	26:1	Nm	250Nm
HDM-2	125	64	Φ110	135	62.5	178	133	56.5	13	28:1	Nm	450Nm
HDM-3	140	71	Φ129	166	70	212	180	68.7	12.5	38:1	Nm	700Nm
HDM-4	188.5	93	Φ174	202	94	280	195	84	15	54:1	Nm	1200Nm
HDM-5	222	110	Φ205	245	110	315	225	92	15	80:1	Nm	2000Nm
HDM-6	252	120	Φ275	280	125	320	252	102	15	78:1	Nm	3000Nm

1. Question:What is your main products?

Answer:Our main products are Pneumatic Actuators, Electric Actuators, Actuated Valves And Valve actuators Accessories..

2. Question:Are you a trader or manufacturer ?

Answer: We are the pneumatic actuators and electric actuators manufacturer , we have ability to do the customization products with experienced team, And we have own factory and production line.

3. Question:How do your make the quality guarantee for actuators?

Answer:We have our own quality control system for incoming and outgoing of the materials, every product will be under controlled and tested before delivery to our customer , and we also provide 18 months guarantee ,beside we provide technical supporting .

4. Question:When can I receive the Price of valve actuators ?

Answer:We will give the Quotation Within 24 hours after we get your inquiry .Or Your can call or message us if it’s quite urgently.

5. Question:How to order our pneumatic actuators and electric actuators ?

Answer:Please send us your inquiry by Email, , etc. we need to know the following informations before giving the formal Quotation.
1) Product information in details, Quantity, Other requirements
2) Delivery time required

6. Question:How can I get a sample to check your quality?

Answer:Contact with our sales expert to arrange the sample delivery. Please send us the details of the sample before placing the order.

7. Question:Shall we pay the sample cost and transportation cost ?

Answer:We will provide the sample by free of charge. Your will bear the freight cost.

8. Question:How long to prepare the sample ?

Answer:Most of our products are under regular production and some of them we keep in stocks.

9. Question:How to delivery the sample to our place?

Answer:Your can provide your forwarders contacts if any, or we will arrange it for you.

10. Question:What about the delivery date if we place the formal order ?

Answer:Usually it takes 15~20days on the production .We know that on-time delivery is very crucial to our customers to meet dead-lines.
We monitor and expedite our supply chain to ensure that we delivery our products to our customers on-time all the time. /* 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
Function:	Change Drive Direction, Speed Changing
Layout:	Coaxial
Hardness:	Soft Tooth Surface
Installation:	Torque Arm Type
Step:	Double-Step

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

Customization:	Available \| Customized Request

worm gearbox

Calculating Gear Ratio in a Worm Reducer

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

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

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

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

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

worm gearbox

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)

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 OEM Made in China Gearbox Manual Override Declutchable Gear for Pneumatic Actuator car gearbox
editor by CX 2024-04-04

China best Foot Mounted CZPT Shaft Helical-Worm Gear Reducer /Gear Motor/Motor Reducer/Gear Units/Gearbox gearbox engine

Product Description

Foot Mounted CHINAMFG Shaft Helical-Worm Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox

< ABOUT TILI

Technical data

Product Name	Foot Mounted CHINAMFG Shaft Helical-Worm 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

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.

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

worm gearbox

What is a Worm Gearbox and How Does It Work?

China best Foot Mounted CZPT Shaft Helical-Worm Gear Reducer /Gear Motor/Motor Reducer/Gear Units/Gearbox gearbox engine
editor by CX 2024-03-30

China factory Wpa /Wps /Wpo/Wpds Worm Gear Boxes Motor gearbox and motor

Product Description

> Product Introduction

Wpw Worm Worm Reductor

1, WP series worm gearbox ‘s the transmission smooth, vibration, shock and noise are small, a large reduction ratio, wide versatility, with all kinds of mechanical equipment.

2, WPA series speed reducer are able to obtain a larger single-stage transmission gear ratio, compact, most models have better gear self-locking, braking requirements for mechanical equipment can save brakes

3, worm thread engagement with the worm gear tooth surface friction loss greater than the gear transmission efficiency and therefore low, easy to heat and higher temperatures.

4, interworking good worm manufactured according to national standards, bearings, seals etc with standard parts. 5,

5, box type basic type (vertical or horizontal box for 2 structures with bottom foot) and the universal type (box is rectangular, multi-faceted with fixed screw, not fitted with bottom foot or the other end foot and other structural type)

6, WP series gear box input shaft coupling methods are the basic type (single input shaft and dual input shaft), 2 motor with flange.

7, WP series reducer ‘ output, position and direction of the input shaft and the input shaft on the next; the output axis and down; the input shaft and down.

8, WP series worm gearbox can be 2 or 3 sets consisting of multi stage gear reducer to get great gear ratio.

Type:	WP gears reduction gear
Model:	WPA40-250
Ratio:	10,15,20,25,30,40,50,60
Color:	Green,Brown
Material:	Cast iron body
	Worm Gear- Cooper-10-3 #
	Worm-20CrMnTi with carburizing and quenching, surface hardness is 56-62HRC
	Shaft-chromium steel-45#
Packing:	Paper Carton,Plywood box / per set(With foam board inside)
Warranty:	1 year
Input Power:	0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,4kw,5.5kw,7.5kw
Usages:	In industrial machine: Food stuff,Ceramics,chemical, aswell as packing, printing, dyeing,woodworking, glass and plastics…..
IEC Flange:	80B5,90B5,100B5,112B5,132B5….
Lubricant:	Synthetic & Mineral

> Catalogue

> Our Motor Advantages

1. Reasonable price with excellent quality
2.Each 1 tests carefully
3.Clear nameplate
4.Reliable package
5.High efficiency, smooth runingand low noise
6.Best materials make best performance

> Producing Process

> About Us

HangZhou EXTENSION SPEED ELECTRICITY CO.,LTD (HangZhou GOOD COMMERCE & TRADE CO.LTD) specializes in the sales of all kinds of gearbox , electric motors. On the sales service and management has accumulated rich experience, has a number of highly qualified technical personnel, management norms, quality isstable. Products by the China national mandatory product certification, quality is reliable, reasonable structure,and make “environmental protection” and “energy saving” synchronization.

HangZhou GOOD COMMERCE & TRADE CO.,LTD(GPHQ ) has always been in line with: “based on sincerity, good quality for first, the pursuit of excellence, pioneering and enterprising team, efficient, innovation” . perfect aftersales service; We will set up a business under the bridge of friendship, hand in hand Create brilliant!

FAQ
1, Q:what’s your MOQ for ac gearbox motor ?
A: 1pc is ok for each type electric gear box motor

2, Q: What about your warranty for your induction speed reducer motor ?
A: 1 year ,but except man-made destroyed

3, Q: which payment way you can accept ?
A: TT, western union .

4, Q: how about your payment way ?
A: 100%payment in advanced less $5000 ,30% payment in advanced payment , 70% payment before sending over $5000.

5, Q: how about your packing of speed reduction motor ?
A: plywood case ,if size is small ,we will pack with pallet for less 1 container

6, Q: What information should be given, if I buy electric helical geared motor from you ?
A: rated power, ratio or output speed,type ,voltage , mounting way , quantity , if more is better.

/* 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:	Speed Changing, Speed Reduction
Layout:	Bevel
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Double-Step

Customization:	Available \| Customized Request

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

Materials Used for Worm Gears

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

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

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

worm gearbox

Can a Worm Gearbox Provide High Torque Output?

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

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

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

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

China factory Wpa /Wps /Wpo/Wpds Worm Gear Boxes Motor gearbox and motor
editor by CX 2024-03-15

China Standard Nmrv Series Worm Gear Box Reduction Marine Gearbox 1 20 Ratio Gearbox Gearmotor Aluminum Worm Speed Gearbox comer gearbox

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

Self-Locking Properties in a Worm Gearbox

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)

worm gearbox

Can a Worm Gearbox Provide High Torque Output?

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

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

China Standard Nmrv Series Worm Gear Box Reduction Marine Gearbox 1 20 Ratio Gearbox Gearmotor Aluminum Worm Speed Gearbox comer gearbox
editor by CX 2024-03-15

China factory S Series Gear Reducer Gearing Arrangement Used Helical Worm Gearbox wholesaler

Product Description

S series gear reducer Gearing Arrangement used Helical Worm gearbox

1.Technical data

Input power	Ratio	Input speed	Torque	Transmission stage	Mounting type
0.18~22kW	9.96~244.74(MAX:4606)	1400rpm 900rpm 700rpm	90~4000N.m	2stage 3stage	Foot mounted Flange mounted

2.Input power rating and permissible torque

Size	37	47	57	67	77	87	97
Structure	S SA SF SAF SAT SAZ
Input Power(kW)	0.18~0.75	0.18~1.5	0.18~3	0.25~5.5	0.55~7.5	0.75~15	1.5~22
Ratio	10.27~165.71	11.46~244.74	10.78~196.21	11.55~227.20	9.96~241.09	11.83~223.26	12.75~230.48
Permissible Torque(N.m)	90	170	300	520	1270	2280	4000

3.Gear unit weight

Size	37	47	57	67	77	87	97
Weight(kg)	7	10	14	26	50	100	170

4.Structures of S series gearbox

S series gear units are available in the following designs
S…Y…	Foot-mounted parallel shaft helical gear units with solid shaft
SA…Y…	Parallel shaft helical gear units with hollow shaft
SAZ…Y…	Short-flange mounted parallel shaft helical gear units with hollow shaft
SF…Y…	Flange-mounted parallel shaft helical gear units with solid shaft
SAT…Y…	Flange-mounted parallel shaft helical gear units with hollow shaft
S(SF,SA,SAF,SAZ)S…	Shaft input parallel shaft helical gear units
S(SF,SA,SAF,SAZ)…R…Y…	Combinatorial parallel shaft helical gear units
S(SF,SA,SAF,SAZ)S…R…	Shaft input combinatorial parallel shaft helical gear units

5.Field Gear Box’s Usage
1. Metallurgy 2 Mine 3 Machine 4 Energy 5 Transportation 6 Water Conserbancy 7 Tomacco 8 Pharmacy 9 Printing Package 10 Chemical industry…

6.Our services:

Pre-sale services	1. Select equipment model.
	2.Design and manufacture products according to clients’ special requirement.
	3.Train technical personal for clients
Services during selling	1.Pre-check and accept products ahead of delivery.
Services during selling	2. Help clients to draft solving plans.
After-sale services	1.Assist clients to prepare for the first construction scheme.
	2. Train the first-line operators.
	3.Take initiative to eliminate the trouble rapidly.
	4. Provide technical exchanging.

7.S series gearbox are available in the following designs:
(1) SY
Foot mounted helical worm gearbox with CHINAMFG shaft

(2) SAY
Helical worm gearbox with hollow shaft

(3) SAZY
Small flange mounted helical worm gearbox with hollow shaft

(4) SA (S,SF,SAF,SAZ)Y
Assemble users’ motor or special motor, flange is required

(5) SFY
Flange mounted helical worm gearbox with CHINAMFG shaft

(6) SAFY
Flange mounted helical worm gearbox with hollow shaft

(7) SATY
Torque arm mounted helical worm gearbox with hollow shaft

(8) S (SF,SA,SAF,SAZ) S
Shaft input helical worm gearbox

(9) SA (S,SF,SAF,SAZ)RY
Combined helical worm gearbox

(10) SA (S,SF,SAF,SAZ)SR
Shaft input combined helical worm gearbox

Customer visiting:

11.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

If you are interested in our product, welcome you contact me.
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
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Right Angle
Gear Shape:	Helical Gear
Step:	Double-Step

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

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

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

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 factory S Series Gear Reducer Gearing Arrangement Used Helical Worm Gearbox wholesaler
editor by CX 2024-03-14

China Professional Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox best automatic gearbox

Product Description

Model No	NMRV571, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130, NMRV150
Ratio	5,7.5,10,15,20,25,30,40,50,60,80,100
Type	Worm Gear Speed Reducer / Gearbox / Reductor
Color	Customized Color
Packing	Carton, Honey Comb Carton, Wooden Case with Wooden Pallet
Usage	Industrial Machine, Food Stuff, Ceramics, Chemical, Packing, Dyeing, Wood Working, Glass, etc.
Flange	IEC standard flange or customized dimensions
Housing Material	Aluminum&Cast iron
Size	11 sizes(WMRV25~WMRV185)
Power	0.06~22 KW
Nominal torque	≤2548 N.m
Ratio	5~100

PRODUCTS CHARACTERISTICS
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.

FAQ
Q1:Are you a manufacturer or trading company?
Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
motor.

Q2: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.

Q3: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.

Q4: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.

Q5:How about your delivery time?
For micro brush dc gear motor, the sample delivery time is 2-5 days, bulk delivery time is about 15-20 days, depends on the order qty. For brushless dc motor, the sample deliver time is about 10-15 days; bulk time is 15-20 days.Please take the sales confirmation for final reference.

Q6:What’s your warranty terms?
One year
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Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	as for Request
Hardness:	Hardened Tooth Surface
Installation:	as for Request
Step:	as for Request

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

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.

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

Can a Worm Gearbox Provide High Torque Output?

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

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

China Professional Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox best automatic gearbox
editor by CX 2024-02-25

China best Nmrv/Nrv Nmrv110 Worm Gear Speed Reduction Reducer Gearbox gearbox design

Product Description

NMRV REDUCTION WORM GEARBOX
The NMRV 110 angular worm gear motor is designed to increase torque while reducing rotational speed. The drive is equipped with a single-stage gearbox and an electric motor with a power of 0.55 – 7.5 kW. The torque on the output shaft is 163 – 767 N * m. Gear Ratio Range: 7.5 – 100.
The NMRV 110 unit has the same mounting dimensions as the SITI MU105 and Varvel SRT 110 gearmotors, so it can be used to replace them.
Materials parts:
Body – iron, flanges – iron, worm – steel CHINAMFG worm wheel – bronze.
Type of lubricant: synthetic ISO VG 220.
Weight: 35 kg.

Type designation scheme

NMRV – 110 – 40 – 35 – 1.5 – B6

NMRV – worm gear motor
110 – size (center distance, mm)
40 – gear ratio
35 – output shaft rotation speed, rpm
1,5 – electric motor power, kW
B6 – mounting position

NMRV 110 gearbox performance

i	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
i	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %	n 2 , rpm	T 2M , *N m**	P kw	RD %
7.5	373	391	16.60	92	187	532	11.60	90	120	637	9.10	88
10	280	424	13.50	92	140	571	9.30	90	90	672	7.20	87
15	187	423	9.30	89	93	565	6.40	86	60	669	5.00	84
20	140	498	8.30	88	70	649	5.60	85	45	748	4.30	82
25	112	453	5.90	90	56	580	4.00	85	36	674	3.10	82
30	93	349	4.00	85	47	553	3.40	80	30	663	2.70	77
40	70	554	4.90	83	35	681	3.20	78	23	809	2.60	75
50	56	531	3.80	82	28	657	2.50	77	18	746	1.90	74
60	47	428	2.70	78	23	546	1.80	73	15	615	1.40	69
80	35	445	2.20	74	18	549	1.50	68	11	640	1.10	67
100	28	394	1.70	68	14	473	1.10	63	9	557	0.89	59

n1 – rotational speed el. engine;
n2 – revolutions on the output shaft;
T 2M – torque on the output shaft;
P is the maximum allowable engine power;
RD – efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.

2.Compact,convenient.

3.High efficiency,big torque.

Overall and mounting dimensions NMRV 110

NMRV110 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 110 gearbox

Geared NMRV110 can be supplied with unilateral or bilateral output shaft.
The gearbox comes standard with a hollow output shaft

A torque arm is an additional option to the gearbox.

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
Hardness:	Hardened
Installation:	Any Angle
Gear Shape:	Worm Gear
Step:	Single-Step
Type:	Worm and Wormwheel

Samples:	US$ 20/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

worm gearbox

Self-Locking Properties in a Worm Gearbox

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)

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 Nmrv/Nrv Nmrv110 Worm Gear Speed Reduction Reducer Gearbox gearbox design
editor by CX 2024-02-24

China factory Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox gearbox assembly

Product Description

Model No	NMRV571, NMRV030, NMRV040, NMRV050, NMRV063, NMRV075, NMRV090, NMRV110, NMRV130, NMRV150
Ratio	5,7.5,10,15,20,25,30,40,50,60,80,100
Type	Worm Gear Speed Reducer / Gearbox / Reductor
Color	Customized Color
Packing	Carton, Honey Comb Carton, Wooden Case with Wooden Pallet
Usage	Industrial Machine, Food Stuff, Ceramics, Chemical, Packing, Dyeing, Wood Working, Glass, etc.
Flange	IEC standard flange or customized dimensions
Housing Material	Aluminum&Cast iron
Size	11 sizes(WMRV25~WMRV185)
Power	0.06~22 KW
Nominal torque	≤2548 N.m
Ratio	5~100

FAQ
Q1:Are you a manufacturer or trading company?
Yes, We are a leading manufacturer specialized in production of various kinds of small and medium-sized
motor.

Q6:What’s your warranty terms?
One year
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	as for Request
Hardness:	Hardened Tooth Surface
Installation:	as for Request
Step:	as for Request

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

Customization:	Available \| Customized Request

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

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 is a Worm Gearbox and How Does It Work?

China factory Nmrv Aluminium Gear Speed Reducer Worm Reduction Gearbox gearbox assembly
editor by CX 2024-02-24

Product Description

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

Energy Efficiency of a Worm Gearbox: What to Expect

What is a Worm Gearbox and How Does It Work?

Product Description

Maintenance Tips for Prolonging the Life of a Worm Gearbox

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

What Industries Commonly Use Worm Reducers?

Product Description

Description

Calculating Gear Ratio in a Worm Reducer

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

Advantages of Using a Worm Reducer in Mechanical Systems

Product Description

Foot Mounted CHINAMFG Shaft Helical-Worm Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox

What are the Noise Levels Associated with Worm Gearboxes?

Worm Gearbox vs. Helical Gearbox: A Comparison

What is a Worm Gearbox and How Does It Work?

Product Description

> Our Motor Advantages 1. Reasonable price with excellent quality2.Each 1 tests carefully3.Clear nameplate4.Reliable package5.High efficiency, smooth runingand low noise6.Best materials make best performance > Producing Process

Self-Locking Properties in a Worm Gearbox

Materials Used for Worm Gears

Can a Worm Gearbox Provide High Torque Output?

Product Description

Self-Locking Properties in a Worm Gearbox

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

Can a Worm Gearbox Provide High Torque Output?

Product Description

How to Install and Align a Worm Reducer Properly

Diagnosing and Fixing Oil Leakage in a Worm Gearbox

What Industries Commonly Use Worm Reducers?

Product Description

How to Install and Align a Worm Reducer Properly

Energy Efficiency of a Worm Gearbox: What to Expect

Can a Worm Gearbox Provide High Torque Output?

Product Description

Type designation scheme

NMRV 110 gearbox performance

Overall and mounting dimensions NMRV 110 NMRV110 gear motor has a wide range of gear ratios.Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 . Output flange to NMRV 110 gearbox

Self-Locking Properties in a Worm Gearbox

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

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

Product Description

Calculating Gear Ratio in a Worm Reducer

Energy Efficiency of a Worm Gearbox: What to Expect

What is a Worm Gearbox and How Does It Work?

> Our Motor Advantages

1. Reasonable price with excellent quality
2.Each 1 tests carefully
3.Clear nameplate
4.Reliable package
5.High efficiency, smooth runingand low noise
6.Best materials make best performance

> Producing Process

Overall and mounting dimensions NMRV 110

NMRV110 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .

Output flange to NMRV 110 gearbox