Tag Archives: gearbox engine

China wholesaler High Quality Aluminium RV Series Worm Drive Gearbox Reduction Gear Box gearbox engine

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.

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Application: Motor, Machinery, Agricultural Machinery
Function: Distribution Power, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Samples:
US$ 25/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



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

worm gearbox

How to Install and Align a Worm Reducer Properly

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

  1. Preparation: Gather all the necessary tools, equipment, and safety gear before starting the installation process.
  2. Positioning: Place the worm reducer in the desired location, ensuring that it is securely mounted to a stable surface. Use appropriate fasteners and mounting brackets as needed.
  3. Shaft Alignment: Check the alignment of the input and output shafts. Use precision measurement tools to ensure that the shafts are parallel and in line with each other.
  4. Base Plate Alignment: Align the base plate of the reducer with the foundation or mounting surface. Ensure that the base plate is level and properly aligned before securing it in place.
  5. Bolt Tightening: Gradually and evenly tighten the mounting bolts to the manufacturer’s specifications. This helps ensure proper contact between the reducer and the mounting surface.
  6. Check for Clearance: Verify that there is enough clearance for any rotating components or parts that may move during operation. Avoid any interference that could cause damage or performance issues.
  7. Lubrication: Apply the recommended lubricant to the worm reducer according to the manufacturer’s guidelines. Proper lubrication is essential for smooth operation and reducing friction.
  8. Alignment Testing: After installation, run the worm reducer briefly without a load to check for any unusual noises, vibrations, or misalignment issues.
  9. Load Testing: Gradually introduce the intended load to the worm reducer and monitor its performance. Ensure that the reducer operates smoothly and efficiently under the load conditions.

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

worm gearbox

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

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

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 wholesaler High Quality Aluminium RV Series Worm Drive Gearbox Reduction Gear Box   gearbox engineChina wholesaler High Quality Aluminium RV Series Worm Drive Gearbox Reduction Gear Box   gearbox engine
editor by CX 2024-04-10

China Custom Pto Farm Slasher Rotary Agriculture Tractor Right Angle Agricultural Bevel Gearbox gearbox engine

Product Description

Product Description

Agriculture Machinery Gear Box Agricultural Agri Farm Tractor Mower Bevel Digger Fertilizer Spreader Rotary Tiller Right Angle Pto Shaft Reducer Gearbox

The Agriculture Machinery Gear Box is a high-quality and durable gearbox designed for use in various agricultural applications. This gearbox is specifically engineered to meet the demands of agri-farm tractors, mowers, diggers, fertilizer spreaders, rotary tillers, and other agricultural machinery.

With its bevel gear design, this gearbox ensures smooth and efficient power transmission, allowing for optimal performance and productivity. The right angle PTO shaft reducer gearbox is built to withstand heavy-duty usage, making it ideal for demanding agricultural tasks.

Featuring a robust construction, this gearbox offers exceptional reliability and longevity, reducing the need for frequent maintenance and replacement. Its compact design allows for easy installation and integration into existing agricultural equipment.

Key Features:

  • Bevel gear design for smooth power transmission
  • Designed for agri-farm tractors, mowers, diggers, fertilizer spreaders, rotary tillers, and more
  • Heavy-duty construction for durability
  • Compact design for easy installation
  •  

Enhance the performance and efficiency of your agricultural machinery with the Agriculture Machinery Gear Box. Invest in this reliable and high-performing gearbox to maximize productivity and minimize downtime.

Product Parameters

1. Large output torque
2. Safe, reliable, economical, and durable
3. Stable transmission, quiet operation
4. High modularization design, may equip with various outer power inputs conveniently. The same machine type may equip with various power motors. It is easy to realize the combination and junction between every machine type
5. Form of installation: The position to be installed is not limited
6. High strength, compact the box body of high strength cast iron, gear and gear shaft adopt the gas carbonization, quenching, and fine grinding process, therefore the bearing capacity of unit volume is high
7. Long life: Under the condition of the correct type chosen(including choosing suitable operation parament ) normal operation and maintenance, the life of the main parts speed reducer(except wearing parts)should not be less than 20000 hours
8. Low noise: Because the main parts of the speed reducer are processed, and tested critically, therefore the noise of the 

 

Detailed Photos

Company Profile

United Metal Products (HangZhou) Co., Ltd. is located in west coast new economic district, HangZhou, China. 
Our products exported to the United States, Canada, Brazil, Germany, France, Italy, Denmark, Australia etc for more than 16 years. 
We have passed certification of ISO9000, ISO14001, TS16949. etc. 
We focus on metal parts including casting parts and machining parts for construction machinery, agricultural machinery, auto parts, railway parts etc. 
Machining casting parts, forging parts, aluminum die casting parts etc. 
Bar machining parts, shaft etc. 
Bolt/nut/washer. 
Welding parts, sheet metal part, bending parts etc. 
Fin-type radiators. 

Our vast experience includes parts ranging from 0.01kg to 1000 kg with annual volumes from 500 up to 200, 000 pieces in industries such as: 
Construction – Excavators, Articulating Dump Trucks, Graders, Pavers, Wheel Loaders, Skid Steers, Asphalt Compactors
Agriculture – Tractors, Combines, Sprayers, Seeders, Implement Attachments, Planters, Air Drills, Cultivators, Balers
Material Handling – Forklifts, Reach Trucks, Order Pickers
Aerial Platforms – Scissors Lifts, Telehandlers
Rail/Transportation – Freight Trains
Forestry – Feller Bunchers
Mining – Mining Trucks

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Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Cycloidal
Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



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

worm gearbox

Self-Locking Properties in a Worm Gearbox

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

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

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

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

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

worm gearbox

Worm 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

Types of Worm Gear Configurations and Their Uses

Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:

  • Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
  • Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
  • Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
  • Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
  • Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
  • Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.

Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.

China Custom Pto Farm Slasher Rotary Agriculture Tractor Right Angle Agricultural Bevel Gearbox   gearbox engineChina Custom Pto Farm Slasher Rotary Agriculture Tractor Right Angle Agricultural Bevel Gearbox   gearbox engine
editor by CX 2024-02-07

China high quality Household Appliances Gdm08 CZPT Electric Worm Speed Reducer 12V 24V Motor 10W/15W/20W/25W/30W/40W/60W/90W/120W/180W/200W with Good Price gearbox engine

Product Description

What is applications use gear motor?
Electric gear motors are used in various applications that require for high output torque and low output rotation speed.

What is gear motor?
Gear motor is combined electric motor with gear reducer box.
 

Would you like to be GPG motor wholesaler,dealer,distributor,stockist?

GPG motor can improve your business.
 

Taibang gear motor is ideal drive for all kinds of industrial automation products for both industrial and commercial application.
What you can be provided by us is steady quality products(quite and efficient performance gear motor) and engineering solution.

The main products is induction   motor, reversible motor, DC brush gear  motor, DC brushless gear motor , CH/CV medium gear motors , p lanetary gear motor,worm gear motor,right angle CHINAMFG and hollow shaft gear motor,  etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine. 

1)The stator is made of high quality low carbon steel seamless steel tube and ferrite permanent magnet.

2)The rotor consists of silicon steel sheet,copper coil,commutator and insulating material,etc.

3)The rotor shaft is made of high performance medium carbon alloy steel and processed by special technics.There are round shaft and gear shaft.

4)The bearing and oil seal is selected from CHINAMFG brand to ensure good running performance and sealing effect.

5)The wire is made from high temperature resistant and flame retardant material.

Should you any questions,please feel free to contact Ms Susan Liu directly.
Please leave message or send inquiry.I will be back to you asap.

Model Instruction
 

Model Gear Head  Rated Power
 
Voltage
 
Ampere Speed Torque Shell Diameter Motor Height
W   V A r/min mN.m  mm 08

GDM08-SC

4GN 30 12 4.6 1500 190.9 Φ69 105
1800 159.08
2200 130.2
24 2.1 1500 190.9
1800 159.08
2200 130.2

 

Reduction Ratio       L1                     L2                  L3            
1:3~1:20       105mm        32mm     137mm
1:25~1:300       105mm        44mm     149mm

 
FAQ

Q: How about your company?
A:We are gear motor factory located in HangZhou city of China and established in 1995.We have more than 1200 workers.Our main product  is AC micro gear motor 6W to 250W, AC small gear motor 100W to 3700W,brush DC motor 10W to 400W,brushless motor 10W to 750W,drum motor 60W to 3700W ,planetary gearbox , and worm gearbox,etc.

Q: How to choose a suitable motor?
A:If you have gear motor pictures or drawings to show us, or you tell us detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can suggest suitable motor per your request .

Q: Can you make the gear motor with customize specifications ?
Yes, we can customize per your request for the voltage, speed, torque and shaft size and shape. If you need additional wires or cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.

Q: What’s your lead time?
A: Usually our regular standard product will need 10-15days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.

Q: What is your MOQ?
A: If delivery by sea ,the minimum order is 100 pieces, if deliver by express, there is no limit.

Q: Do you have the item in stock?
A: I am sorry we do not have the item in stock, All products are made with orders.

Q: How to contact us ?
A: You can send us enquiry . 
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Application: Industrial, Household Appliances, Power Tools
Operating Speed: Constant Speed
Excitation Mode: Compound
Function: Control
Casing Protection: Protection Type
Number of Poles: 4
Samples:
US$ 85/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

worm gearbox

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

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

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

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

worm gearbox

Energy Efficiency of a Worm Gearbox: What to Expect

The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:

  • Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
  • Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
  • Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
  • Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
  • Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.

When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.

worm gearbox

What Industries Commonly Use Worm Reducers?

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

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

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

China high quality Household Appliances Gdm08 CZPT Electric Worm Speed Reducer 12V 24V Motor 10W/15W/20W/25W/30W/40W/60W/90W/120W/180W/200W with Good Price   gearbox engineChina high quality Household Appliances Gdm08 CZPT Electric Worm Speed Reducer 12V 24V Motor 10W/15W/20W/25W/30W/40W/60W/90W/120W/180W/200W with Good Price   gearbox engine
editor by CX 2023-12-28

China OEM Long Life High Torque Nmrv Worm Gearbox with Brake DC Motor gearbox engine

Product Description

NMRV worm gearbox with brush DC motor for lifting
 

Introduction

1.     Made of high-quality aluminum alloy or stainless steel, light in weight and non-rusting
2.     Smooth in running and low in noise, can work a long time in dreadful conditions
3.     High in radiating efficiency
4.     Good-looking in appearance, durable in service life, and small in volume
5.     Suitable for Omni-bearing installation
6.    Inch size and metric size are both available

Main Materials

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

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

3.     Worm wheel: wearable tin bronze alloy

Detailed Pictures

Specification
 

Power 20W ~ 1500W
Voltage 12V, 24V, 36V, 48V, 60V, 110V, 220V
Frame Size 55mm, 70mm, 90mm, 110mm, 130mm
Speed 1000rpm, 1500rpm, 2500rpm, 3000rpm,
3600rpm, 6000rpm, 7500rpm, 8000rpm,
Accessories Brake, encoder, controller
Ambient Temperature -25 ~ +40 °C
Altitude ≤4000M

Gearbox Type Worm Gear Speed Reducer
Model NMRV571–150
Ratio 1:7.5,10,15,20,25,30,40,50,60,80,100
Color Blue/Silver Or On Customer Request
Material Housing: Blue-Coloured Cast-Iron
Worm Gear-Copper-10-3#
Worm-20CrMn Ti with carburizing and quenching, the surface hardness is 56-62HRC
Shaft-chromium steel-45#
Lubricant Synthetic&Mineral
Bearing C&U Bearing
Seal NAK SKF
Application Metallurgical machinery, food machinery, stage machinery,
welding machinery, road machinery, amusement machines,
packaging machinery, Rubber, and plastic machinery,
environmental protection machinery, engineering machinery,
construction machinery, machine tool industry,
 automotive industry, logistics and transportation, and so on

 
NMRV Input Dimension

FAQ

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

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

3 Q: Do you provide OEM service with a customized logo?
A: Yes, we could do OEM orders, but we mainly focus on our brand.

4 Q: How about your payment terms?
A: TT, Western Union, and PayPal. 100% payment in advance for orders less than $5,000. 30% deposit and balance before delivery for orders over $5,000.

5 Q: How about your packing?
A: Carton, Plywood case. If you need more, we can pack all the goods in a pallet.

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

7 Q: How do you deliver the gearbox?
A: We will compare and choose the most suitable ways of delivery by sea, air or express courier.

We hope you will enjoy cooperating with us.

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Application: Machinery, Agricultural Machinery, Light Duty Machine
Function: Change Drive Torque, Speed Reduction
Layout: Right Angle
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: 2 Stage or 3 Stage
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

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

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:

Aspect Worm Gearbox Helical Gearbox
Efficiency Lower efficiency due to sliding friction between the worm and worm wheel. Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission Excellent torque transmission and high reduction ratios achievable in a single stage. Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration Generally higher noise and vibration levels due to sliding action. Lower noise and vibration levels due to smoother rolling contact.
Backlash Higher inherent backlash due to the design. Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds Less suitable for high-speed applications due to efficiency loss. More suitable for high-speed applications due to higher efficiency.
Overload Protection Natural self-locking feature provides some overload protection. May not have the same level of inherent overload protection.
Applications Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. Widely used in various applications including automotive transmissions, industrial machinery, and more.

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

worm gearbox

What Industries Commonly Use Worm Reducers?

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

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

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

China OEM Long Life High Torque Nmrv Worm Gearbox with Brake DC Motor   gearbox engineChina OEM Long Life High Torque Nmrv Worm Gearbox with Brake DC Motor   gearbox engine
editor by CX 2023-12-25

China Hot selling Yyg Washing Machine Speed Reducer Harmonic Drive 150cc Reverse Pinion Bicycle Go Kart Worm Marine Engine Bicycle Gearbox for Brush Cutter gearbox drive shaft

Product Description

Product Description

 

Overview

Compatible vehicles

Car Fitment Model Year
SINOTRUK (CNHTC) yyg washing machine speed reducer harmonic drive 150cc reverse pinion bicycle go kart worm marine engine bicycle gearbox for brush cutter 2005-

 

item

   Truck Gearbox 

Warranty

12 months

Place of Origin

ZheJiang ,China

Car Model

SINOTRUK (CNHTC)

Size

Original Size

Condition

New

Product name

Gearbox

Transmission Model

ECOSPLIT 4 16S 2230 TO

Parts list No

135657116

Serial No

80032003

Total Ratio

0.84-13.8

Speed Ratio

IMP/U 6,00

Oil Capacity(L)

15.5

Oil Grade See Lubric. List

02

Quality

High-Quality

Packing

Customers’ Requirement

Packaging & delivery

Package Type:

According to international export standards or customized according to your requirements

Supply Ability

Supply Ability

1000 Piece/Pieces per Month

Detailed Photos

 

 

Product details

n

 

 

 

 

Company Profile

 

  ZheJiang Yontan Import and Export Co., Ltd. was established in HangZhou, the capital of ZheJiang Province, a famous national historical and cultural city with profound heritage. The company is mainly engaged in the export of complete vehicles of SINOTRUC, HOWO, SHACMAN, FOTON, FAW, XIHU (WEST LAKE) DIS., XIHU (WEST LAKE) DIS.FENG and other brands. It is engaged in the export sales of a full range of truck accessories and assemblies. The products distributed by the company are mainly supplied to major domestic transportation units, oil and gas transportation teams, municipal engineering fleets and civil engineering fleets, as well as major foreign construction companies and transportation companies.
  On the basis of the continuous development of the company’s business, we are committed to exploring the international market. So far, our market has covered China, Eastern Europe, the Middle East, Africa, Southeast Asia, South America and other countries and regions. Our integrity is everywhere and we are deeply trusted by customers. Our company has a large warehouse and a professional management team, which can quickly find suitable parts for customers, and can provide services such as good packaging, safe storage, and fast transportation to meet the diverse needs of customers at any time.
  The company adheres to the concept of “integrity, CHINAMFG and sustainable”, and sincerely welcomes customers to come to our company to discuss business cooperation.
 

Company Profile

 

Certifications

 

After-sales Service: 24h Full Technical Support
Warranty: 12 Months
Type: Gearbox
Certification: ISO9001
Driving System Parts: Gearbox
Electrical System Parts: Gearbox
Customization:
Available

|

Customized Request

worm gearbox

What are the Noise Levels Associated with Worm Gearboxes?

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

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

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

worm gearbox

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

Types of Worm Gear Configurations and Their Uses

Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:

  • Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
  • Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
  • Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
  • Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
  • Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
  • Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.

Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.

China Hot selling Yyg Washing Machine Speed Reducer Harmonic Drive 150cc Reverse Pinion Bicycle Go Kart Worm Marine Engine Bicycle Gearbox for Brush Cutter   gearbox drive shaft	China Hot selling Yyg Washing Machine Speed Reducer Harmonic Drive 150cc Reverse Pinion Bicycle Go Kart Worm Marine Engine Bicycle Gearbox for Brush Cutter   gearbox drive shaft
editor by CX 2023-11-29

China wholesaler Plastic Extruder Gearbox for Plastic Machine gearbox engine

Product Description

Middle Torque Twin Screw Gearbox For Extruder Machine

 

 

Twin Screw Gearbox Features

— High Speed
—Triaxiality parallel design improve B axis bearing capacity.
—Simple manufacture and convenient assemply.Lower the cost.
—Modular structure design achieve 2 kinds of gearbox torque grade.

 

Twin Screw Gearbox Introduction

 

Twin Screw Gearbox adopting latest standard ISO1328,the precision of cylindrical gear of spherical involute, and combining our long term experience and specialty of twin-screw extruders, TDSN gearboxes are meticulously designed with top advanced designing ideas in the world for co-orientated rotating twin-screw extruders, with entirely independent Intellectual Property Rights.
The gears are made of carburizing steel of high-strength alloy of good quality by carburizing and quenching for teeth, of which all the gear grinding processes are finished by imported gear grinding machines. Gear parameters are optimized and specially designed for the characteristics of twin screw extruders, reducing stress concentration on root of gear and improving gear surface conditions. We have improved gear intension of flexural fatigue, fatigue strength and ratio of wide diameter. We have also adopted the latest designing idea and technology of heating treatment for the structure of gears, thereby ensured gears from uniformity of precision and strength.

 

 

TDSN Gearbox Power&Torque Table
Model RPM(r/min) Power(kw) Torque Grade(T/A3) CD(mm)
TDSN-40 500 30 6.98 34.5
600 37 7.17
TDSN-50 500 55 7.08 42
600 75 8.06
TDSN-52 500 55 7.09 43
600 75 8.06
TDSN-65 500 90 6.11 52
600 110 6.23
TDSN-75 500 132 5.84 60
600 160 5.89
TDSN-95 500 315 6.34 78
600 350 5.87
TDSN-110 500 500 6.13 92
600 600 6.13
TDSN-125 500 600 5.73 100
600 710 5.65
TDSN-135 500 800 5.74 110
600 1000 5.98

 

 

Production Process

 

 

NO.1

Workblank

 

Select high quality and hardness of ductile iron material.

 

NO.2

Rough Machining

 

Mang sets of rough machining equipment,such as Gantry-type milling,Radial drill,etc.Realized the blank shape and the inner hole of rough maching.

 

NO.3

Finish Machining

 

Many sets of finishing equipment,such as CNC Grinding Machine,NC Boring Machine,etc.Further processing of each working procedure,the accuracy is higher,only you.

 

NO.4
Assemble

Strong assembly and R&D team,the parts will be assembled according to the drawing,step by step audit,by running test after product finished.

 

 

 

NO.5
Gearbox Inspection

High-end testing equipment and instruments,processional inspection team,the gearbox shape,center distance,inner hole and into the next procedure,after inspection and correct.

 

NO.6

 

Delivery

 

Before leaving the factory,in addition to anti-rust paint,white paint will also be made(color number can also be provided).
Export standard packing,packaging,use at the bottom of the fixed plate,ensure that the peoduct does not shift in transit.

 

Our Service

 

24-hour Hotline

 

No matter when and where

to call we can find our service to you.

 

 

Pre-sales Consultation

 

We have 5 sales people online,

and whether you have any question

can be solved through online

communication,welcome your consultation.

After-sales Services

 

Receive products have any

questions about the product,

can look for us,we will help

you deal with the the first time,to your satisfaction.

 

All ZT keep pay attention to every step of the details,We are looking CHINAMFG to the forge ahead together with you!

 

 

Packing&Delivery

 

Packing Details: According to your order quantity packaging,shipping wooden boxes,air carton.

Delivery Details: 5-40days after order.

 

1.Rust-proof oil processing,

   Prevent rust in transit.

2.Oiled paper packages,

   Prevent oil dry.

3.Bubble wrap package,

   Prevent collosions.

4.Special foam packaging. 5.Packing 6.Sealing

 

 

 

FAQ

 

How long does it take to get my products since I paid for them?

—According to yout order quantity,we will give you a reasonable delivery date.

 

Can I get the warranty of 1 year for free?

—If you need the warranty,you should pay for it.If not,do not worry ,we have confidence in our products.

 

How is your after-sale service?

—You will get our help in time as long as you find something wrong about our produces.Believe us,you deserve the best.

 

How long will your product last?

—I am sorry that I can not accurately answer your question,which is quite different from your operation time,materials and materials.

 

Application: Machinery, Extrusion
Function: Speed Reduction
Layout: Double Drive Gearbox
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Three-Step
Customization:
Available

|

Customized Request

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

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

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

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

worm gearbox

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

Calculating the input and output speeds of a worm gearbox involves understanding the gear ratio and the principles of gear reduction. Here’s how you can calculate these speeds:

  • Input Speed: The input speed (N1) is the speed of the driving gear, which is the worm gear in this case. It is usually provided by the manufacturer or can be measured directly.
  • Output Speed: The output speed (N2) is the speed of the driven gear, which is the worm wheel. To calculate the output speed, use the formula:

    N2 = N1 / (Z1 * i)

Where:
N2 = Output speed (rpm)
N1 = Input speed (rpm)
Z1 = Number of teeth on the worm gear
i = Gear ratio (ratio of the number of teeth on the worm gear to the number of threads on the worm)

It’s important to note that worm gearboxes are designed for gear reduction, which means that the output speed is lower than the input speed. Additionally, the efficiency of the gearbox, friction, and other factors can affect the actual output speed. Calculating the input and output speeds is crucial for understanding the performance and capabilities of the worm gearbox in a specific application.

worm gearbox

How to Select the Right Worm Gearbox for Your Application

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

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

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

China wholesaler Plastic Extruder Gearbox for Plastic Machine   gearbox engineChina wholesaler Plastic Extruder Gearbox for Plastic Machine   gearbox engine
editor by CX 2023-10-24

China wholesaler China Supplier Manual Override Worm Gear Box Hdm Series for Pneumatic Actuator and Valves gearbox engine

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
b1 N b2 M D1 4-M1 D2 4-M2 E D3 4-Φ1 D4 4-Φ2
HDM-1 14 22 14 16 Φ50 4-M6 Φ70 4-M8 70*70 Φ50 4-Φ6.5 Φ70 4-Φ8.5
HDM-2 17 22 17 18 Φ70 4-M8 Φ102 4-M10 95*95 Φ70 4-Φ8.5 Φ102 4-Φ10.5
HDM-3 22 28 22 22 Φ102 4-M10 Φ125 4-M12 114*114 Φ102 4-Φ10.5 Φ125 4-Φ12.5
HDM-4 27 32 27 30 Φ102 4-M10 Φ125 4-M12 129*129 Φ125 4-Φ12.5 Φ140 4-Φ16.5
HDM-5 36 45 36 38 Φ140 4-M16 / / 156*156 Φ140 4-Φ17 Φ165 4-Φ21
HDM-6 46 50 46 48 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.

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

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

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

Types of Worm Gear Configurations and Their Uses

Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:

  • Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
  • Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
  • Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
  • Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
  • Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
  • Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.

Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.

China wholesaler China Supplier Manual Override Worm Gear Box Hdm Series for Pneumatic Actuator and Valves   gearbox engineChina wholesaler China Supplier Manual Override Worm Gear Box Hdm Series for Pneumatic Actuator and Valves   gearbox engine
editor by CX 2023-10-20

China manufacturer High Speed Reducer / Special Speed Reducer/High Speed Gear Box gearbox engine

Product Description

PRODUCT SHOW

PRODUCT DETAILS
 

Name  special speed reducer
Material  
Mould base  
Cavity  
Capacity  
Design software  
Plastic material  
Delivery time  
Specification Depends on customer’s requirements
Origin China

DETAILS ABOUT Xihu (West Lake) Dis.ang Transmission Equipment Co.,Ltd.

 

Founded in 1969, ZheJiang Xihu (West Lake) Dis.ang Transmission Equipment Co., Ltd. Is the professional manufacturer of R&D and production reduction gears, with a staff of 510. Company has set up ZheJiang Provincial enterprise technology center and Provincial worm drive engineering technology research center, which has 73 research personnel, including 20 advanced titles, and possesses 48 patents, including 4 invention patents, 2 software copyright. 

“JinXiang” brand is honored with ZheJiang famous trademark, ZheJiang famous brand products. The company ranks the top 10 in the same industry and top 5 in the high-end transmission equipment. Including the R & D and market share of Niemann worm reducer rank first, the market share of 48 patents products such as edge transmission mill reducer and crystallizer professional reducer all exceed 60%. The obtainment of technology mainly is independent development and industry-university-research cooperation joint development. The Company is awarded with ZheJiang AAA grade credit enterprise, re-contract and trustworthy enterprise, ZheJiang measurement guarantee confirmation enterprise. We have passed ISO9001 QMSC in 1998. 

The company is the professional manufacturer of R&D and production reduction gears; The sales income of high technology products has surpassed the 60%. Production technological contents take the leading position in the same industry. 

In recent years, the company has undertaken more than 20 provincial and municipal science and technology or technical transformation projects, including 5 kinds of products such as two-stage worm gear reducer, vertical mill reducer, were identified as “hightech products [by provincial science bureau, a new type of vertical mill reducer is awarded [Jiiangsu Excellent new products” by ZheJiang Economic And Information Technology Commission, industrialization of high performance composites worm gear reducer was awarded national CHINAMFG plan (2008 gh5711), R&D of extra-large diversion vertical mill drive was awarded the provincial science and technology support plan (8 e2571131), The company has been awarded national CHINAMFG plan high-tech enterprise, the provincial high-tech enterprise, provincial innovative company, Provincial innovation ability construction demonstration enterprise, the provincial science and technology SME, the most innovative enterprise in Chinese machinery industry etc., which belongs to the leader in the industry field.

PACKING AND SHIPPING DETAILS

FAQ
      

1. Are you manufacturer or trade Company?
We are a factory founded in 1969 with trade team for international service.

2. What terms of payment you usually use?
T/T 30% deposit and 70% against document, Western Union, L/C at sight

3. What is your lead time for your goods?
4-7 months
4. Samples
For customers who need sample confirmation before ordering, please bear in mind that the following policy will be adopted:
1) All samples are free of charge with the maximum value not exceeding USD 100.
2) The courier cost for the first-time sample sending will be charged for by the consignee. We will send the samples with freight to be collected. So please inform your account with FedEx, UPS, DHL or TNT so that we can proceed promptly.
3) The first-time courier cost will be totally deducted from the contract value of the trial cooperation.

5. Order Process
 

1.Sample/Drawing We need your detail require clearly.
 
2.Negotiation Material,cavity,price,delivery time,payment term ,etc.
 
3.Place order According your own design or choice our design.
 
4.Reducer design
 
We will communicate&Exchange the opinion with you during making drawing
 
5.Tooling mould After custome approve the mould design will start making mould.
 
6.Mould process Provide photos for customer show them tooling process
 
7.Sample confirm Send you sample for confoirm it ,if not satisfied by customer.we modify mould .
 
8.Delivery Delivery mould after customer approve sample and arrange shipment.

CONTACT

 

Application: Electric Cars, Motorcycle, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Shunting
Gear Shape: Bevel Gear
Step: Double-Step
Customization:
Available

|

Customized Request

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

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

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

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

worm gearbox

Worm Gearbox vs. Helical Gearbox: A Comparison

Worm gearboxes and helical gearboxes are two popular types of gear systems, each with its own set of advantages and disadvantages. Let’s compare them:

Aspect Worm Gearbox Helical Gearbox
Efficiency Lower efficiency due to sliding friction between the worm and worm wheel. Higher efficiency due to rolling contact between helical gear teeth.
Torque Transmission Excellent torque transmission and high reduction ratios achievable in a single stage. Good torque transmission, but may require multiple stages for high reduction ratios.
Noise and Vibration Generally higher noise and vibration levels due to sliding action. Lower noise and vibration levels due to smoother rolling contact.
Backlash Higher inherent backlash due to the design. Lower backlash due to meshing of helical teeth.
Efficiency at Higher Speeds Less suitable for high-speed applications due to efficiency loss. More suitable for high-speed applications due to higher efficiency.
Overload Protection Natural self-locking feature provides some overload protection. May not have the same level of inherent overload protection.
Applications Commonly used for applications requiring high reduction ratios, such as conveyor systems and heavy-duty machinery. Widely used in various applications including automotive transmissions, industrial machinery, and more.

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

worm gearbox

Types of Worm Gear Configurations and Their Uses

Worm gear configurations vary based on the arrangement of the worm and the gear it engages with. Here are common types and their applications:

  • Single Enveloping Worm Gear: This configuration offers high torque transmission and efficiency. It’s used in heavy-duty applications like mining equipment and industrial machinery.
  • Double Enveloping Worm Gear: With increased contact area, this type provides higher load capacity and improved efficiency. It’s used in aerospace applications, robotics, and precision machinery.
  • Non-Throated Worm Gear: This type has a cylindrical worm without a throat. It’s suitable for applications requiring precise motion control, such as CNC machines and robotics.
  • Throated Worm Gear: Featuring a throat in the worm, this configuration offers smooth engagement and higher load capacity. It’s used in conveyors, elevators, and automotive applications.
  • Non-Modular Worm Gear: In this design, the worm and gear are a matched set, resulting in better meshing and efficiency. It’s utilized in various industries where customization is essential.
  • Modular Worm Gear: This type allows interchangeability of worm and gear components, providing flexibility in design and maintenance. It’s commonly used in conveyors, mixers, and material handling systems.

Selecting the appropriate worm gear configuration depends on factors such as load capacity, efficiency, precision, and application requirements. Consulting gearbox experts can help determine the best configuration for your specific needs.

China manufacturer High Speed Reducer / Special Speed Reducer/High Speed Gear Box   gearbox engineChina manufacturer High Speed Reducer / Special Speed Reducer/High Speed Gear Box   gearbox engine
editor by CX 2023-09-26

China Professional Nrv040 Series Worm Gear Box with Input Shaft gearbox engine

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          
NMRV SERIES          Output Speed Range:
Type Old Type Output Torque Output Shaft Dia.   14rpm-280rpm
NMRV030  RV030  21N.m  φ14   Applicable Motor Power:
NMRV040  RV040  45N.m  φ19   0.06kW-11kW
NMRV050  RV050  84N.m  φ25   Input Options1:
NMRV063  RV063  160N.m  φ25   With Inline AC Motor
NMRV075  RV075  230N.m  φ28   Input Options2:
NMRV090  RV090  410N.m  φ35   With Square flange
NMRV105  RV105  630N.m  φ42   Input Options3:
NMRV110  RV110  725N.m  φ42   With Input Shaft
NMRV130  RV130  1050N.m  φ45   Input Options4:
NMRV150  RV150  1550N.m  φ50   With Input Flange

Starshine Drive

ZheJiang CZPT Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CZPT 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 CZPT and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our Team

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

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

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

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

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

Packing

Delivery

 

Application: Motor, Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Worm
Hardness: Hardened Tooth Surface
Installation: Worm and Worm Wheel
Step: Single-Step
Customization:
Available

|

Customized Request

worm gearbox

Common Problems and Troubleshooting for Worm Gearboxes

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

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

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

worm gearbox

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.

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 Professional Nrv040 Series Worm Gear Box with Input Shaft   gearbox engineChina Professional Nrv040 Series Worm Gear Box with Input Shaft   gearbox engine
editor by CX 2023-09-11