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China Standard Factory Hot Selling DC 220V Worm Gear Motor RV Reduction Gearbox with Engine Motor cvt gearbox

Product Description

Why Choose Us

Product Details



Worm Gear Speed Reducer/ gearbox


WMRV 25/30/40/50/63/75/90/110/130/150/185




Blue(RAL5571)/Silver grey (K9149) Or On Customer Request


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#



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


Customized Service


Customer Comments


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.

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Worm
Step: Double-Step
US$ 25/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

worm gearbox

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

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

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

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

worm gearbox

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

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 Standard Factory Hot Selling DC 220V Worm Gear Motor RV Reduction Gearbox with Engine Motor   cvt gearbox	China Standard Factory Hot Selling DC 220V Worm Gear Motor RV Reduction Gearbox with Engine Motor   cvt gearbox
editor by CX 2023-11-14

China Best Sales Helical Bevel Gearbox 4WD Transmission Cover Shift Lever Shalft for The Plastic Machine Go Kart Engine with Reverse Fertilizer Spreader Planetary Power Trowel gearbox adjustment

Product Description

           Helical bevel gearbox 4wd transmission  cover shift lever shalft for the plastic machine go kart engine with reverse fertilizer spreader planetary power trowel 

Application of Helical bevel gearbox

Helical bevel gearboxes are used in a variety of applications where high efficiency and quiet operation are required. They are typically used in industrial machinery, such as conveyors, elevators, and printing presses. Helical bevel gearboxes are also used in some automotive applications, such as power steering systems and differentials.

Helical bevel gearboxes have a number of advantages over other types of gearboxes. They are more efficient, meaning that they can transmit more power with less loss of energy. They are also quieter, meaning that they produce less noise when they are operating. Helical bevel gearboxes are also more durable, meaning that they can withstand more wear and tear.

Here are some of the applications of helical bevel gearboxes:

  • Conveyors: Helical bevel gearboxes are used in conveyors to transmit power from the motor to the driveshaft. This allows the conveyor to move materials from 1 place to another.
  • Elevators: Helical bevel gearboxes are used in elevators to transmit power from the motor to the hoisting mechanism. This allows the elevator to raise and lower people and objects.
  • Printing presses: Helical bevel gearboxes are used in printing presses to transmit power from the motor to the printing plates. This allows the printing press to print images and text on paper.
  • Power steering systems: Helical bevel gearboxes are used in power steering systems to transmit power from the engine to the steering rack. This allows the driver to turn the steering wheel more easily.
  • Differentials: Helical bevel gearboxes are used in differentials to transmit power from the driveshaft to the wheels. This allows the wheels to rotate at different speeds when the vehicle is turning.

Helical bevel gearboxes are a versatile and reliable way to transmit power. They are available in a variety of sizes and ratios, and they can be used in a wide range of applications.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Torque Arm Type
Step: Stepless
US$ 9999/Piece
1 Piece(Min.Order)

Request Sample

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

Energy Efficiency of a Worm Gearbox: What to Expect

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

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

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

worm gearbox

Types of Worm Gear Configurations and Their Uses

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

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

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

China Best Sales Helical Bevel Gearbox 4WD Transmission Cover Shift Lever Shalft for The Plastic Machine Go Kart Engine with Reverse Fertilizer Spreader Planetary Power Trowel   gearbox adjustment	China Best Sales Helical Bevel Gearbox 4WD Transmission Cover Shift Lever Shalft for The Plastic Machine Go Kart Engine with Reverse Fertilizer Spreader Planetary Power Trowel   gearbox adjustment
editor by CX 2023-09-25

High Quality 6 Cylinders 4 Stroke Water Cooling Marine Diesel Engine with Gearbox

High Quality 6 Cylinders 4 Stroke Water Cooling Marine Diesel Engine with Gearbox

Item Description:

Power range240ps-500ps
Model 6D10C240 6D10C280 6D10C327 6D12C350 6D12C375 6D12C400 D2765C450 D2765C500
Sort water-cooling,in-line,4-stroke,direct injection and dry liner
Rated Output(KW) 176/240 205/280 240/327 258/350 275/375 294/four hundred 331/450 368/500
r/min 1500 1800 2100 1500 2150 2150 1800 1800
Cylinder No. six
Firing Purchase 1-five-3-6-2-4
Ingestion Sort TCI
Compression Ratio 16:1 17:one
Bore*stroke(mm) 126*a hundred thirty 126*one hundred fifty five 126*166
Displacement 9.seven 11.six 12.six
Governor CZPT≤8%
Flywheel No. SAE1#
Flywheel Housing No. 14″
Net Excess weight(kg) 1050 1100 1250


Show details: 

Cylinder liner: HangZhou Wutingqiao     
Piston: ZheJiang CZPTbin (armed forces enterprises), ≥350KW  using Germany Mahler piston 
Piston ring: HangZhou (Japan, United states of america and China tripartite joint venture )
Crankshaft:Cast metal, rather of casting substance , solid steel crankshaft with high strength.

Company Data:
     Our organization focuses on delivering higher-top quality goods and 1st-class services to meet your demands. We mainly produce a sequence of direct injection and eddy existing diesel engines,and  various types of generator sets, with the merchandise electrical power masking from 20KW to 400KW.
    Our diesel engines are widely used in power generation equipment,maritime machinery,engineering equipment,fixed power,agricultural machinery and other fields.

    At present, our firm has three superior assembly strains with complete supporting equipments and auxiliary facilities, two of which are assembly lines and a single is packaging line.
   The assembly traces have realized computerized operation mode. Experienced and expert operators execute on-web site operations in accordance with procedure management processes and running recommendations to make sure products meet client needs.
The assembly line has a affordable design and style and the staff operate intently with each other. Each assembly line can produce 130 diesel engines in eight hrs.

    Our company has 4 superior examination stands, each of which is geared up with computerized drinking water temperature manage, automated oil temperature handle and temperature manage program before and soon after intercooling, which can understand the exact control of engine inlet and outlet h2o temperature, oil temperature and submit-intercooling air temperature throughout the check.
    Each take a look at bench can properly measure engine velocity, torque, electrical power, gas consumption rate,water temperature, oil temperature, just before and after intercooling temperature and other motor efficiency parameters.Each parameter measurement precision is in .five%.
    Welcome to visit our business and seem ahead to cooperating with you.

Our diesel engines are active functioning in the city, in the countryside, in the harbor, or in the mine. Though you can’t see us usually, we have been quietly beside you. We not only supply reliable backup energy for telecommunications, banking companies, lodges, searching centers and hospitals but also give complete hearth pump and computerized handle programs for workshop and design of buildings. We turn municipal squander and sewage into electricity also we turn the rural straw, human and animal feces, and food factory wastewater and squander residue into clear vitality. Our diesel engines also have played an crucial role in the highlands, agricultural irrigation and h2o diversion. Growing with our customers collectively is our changeless commitment.


LAMBERT is a substantial-tech enterprise of diesel and gasoline engines, whilst also a foremost maker of creating sets, complete sets of industrial and hearth pump products, agricultural equipment, remanufacturing, and automatic handle. The firm has been adhering to the concept of ‘TECHONOLOGY IN MOTION’ which for our clients give higher reliability, substantial good quality products and companies. 

LAMBERT specializes in supplying quality of products, exceptional service and full solutions. In order to meet the varied specifications of consumers, we have our own factory and we have R & D facilities and laboratories in the United kingdom and Australia. Our team develops items which suit the market with buyers together, and provides buyers with unparalleled assistance. 

LAMBERT adheres to individuals-oriented and development of talent. Set up learning and communication platform by cooperating with a quantity of universities to attract talent to enrich our crew. LAMBERT focuses on the occupation plHangZhou and indicating the growth route and prospect of abilities.

LAMBERT takes ‘sincerity, innovation, excellence and cooperation’ as main values and all of our actions are abide by it.
LAMBER advocates of volunteerism and the sustainable growth concept and promote eco-friendly civilization to build a beautiful homeland. 

LAMBERT is committed to innovation committed to high quality merchandise dedicated to the timely and productive services committed to unparalleled buyer assist.



High Quality 6 Cylinders 4 Stroke Water Cooling Marine Diesel Engine with Gearbox