High Efficiency Worm Gear Series Double Enveloping Worm Gear Worm Gearbox
Series C double enveloping worm gear
Model: 100 – 500
Ratio: 10 -63
Output Torque : 683 – 51180 N.m
Rating Power : 47/25HP(1.41Kw) – 597HP(448Kw)
In a Worm Gearbox, Worm Reduction Gear Box, Worm Speed Reducer and Gear Motor Manufacturer, three to 11 gear teeth are typically in contact with the worm, depending CHINAMFG the ratio. The increased number of driven gear teeth that are in contact with the worm significantly increases torque capacity also raises shock load resistance. In addition to increasing the number of driven gear teeth in contact with the worm, Worm Gearbox, Worm Reduction Gear Box, Worm Speed Reducer and Gear Motor Manufacturer also increases the contact area on each gear tooth. The actual areas of instantaneous contact between the worm threads and the driven gear tooth are lines. These lines of contact move across the face of the gear tooth as it progresses through its total time of mesh with the worm. The lines of contact in double-enveloping worm gearing are configured to increase the power transmission capability and reduce the stress on each gear tooth.
Two shafts for 90 ° Intersect, input speed must not be more than 1500 rpm.The working environment temperature should range from 0 ~ 40 ° C, when the environment temperature below 0 ° C or above 40 ° C.Before starting the lubricating oil to corresponding heating and cooling, The worm shafts, reverse operation can be positive.
Data sheet on CUW double enveloping worm gear reducer :
|Model||ShaftDia. (mm)||Center Height (CUW)||(CUW) Output shaft Dia.||Power||Ratio||Permitted Torque||Weight|
|(CUW) input Solid(h6)||(mm)||(mm)||(kw)||(Nm)||(KGS)|
|100||28||190||48||1.41~11.5||10 .25~ 62||683-1094||42|
|125||32||225||55||2.42~19.7||10 .25 ~ 62||1170~2221||65|
|140||38||255||65||3.94~25.9||10 .25 ~ 62||1555 ~ 3473||85|
|160||42||290||70||4.39~35.7||10 .25 ~ 62||2143 ~4212||120|
|180||48||320||80||5.83~47.5||10 .25 ~ 62||2812 ~ 5387||170|
|200||55||350||90||7.52 ~61.2||10 .25 ~ 62||3624 ~6859||220|
|225||60||390||100||9.9~81.4||10 .25 ~ 62||4872 ~ 9224||290|
|250||65||430||110||12.9 ~105||10 .25~ 62||6284~11892||380|
|280||70||480||120||16.9 ~ 138||10 .25 ~ 62||8347 ~ 15820||520|
|315||75||530||140||22.5 ~183||10 .25 ~ 62||11068~ 19450||700|
|355||80||595||150||30~245||10 .25 ~ 62||14818 ~28014||1030|
|400||90||660||170||32.1 ~261||10 .25 ~ 62||15786~29918||1400|
|450||100||740||190||42.6 ~347||10 .25 ~ 62||2571~39881||1980|
|500||110||815||210||54.9 ~ 448||10 .25 ~ 62||27097~51180||2700|
The advantage of CHINAMFG High Efficiency, Low Noice Cone Worm Series Worm Gearbox design are dramatic. First, the total load is divided among more individual gear teeth, and the load is further divided where teeth support 2 lines of contact. This superior load distribution greatly increases load carrying capacity. Second, the improved torque throughput allows a smaller reducer to produce the same amount of torque, resulting in size and weight savings.
Double-enveloping worm gearing can carry loads that would require much larger and heavier cylindrical worm gearing.
Double-enveloping worm gearbox figure :
(Click on picture for more information)
|Application:||Motor, Machinery, Marine, Agricultural Machinery|
|Function:||Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase|
|Hardness:||Hardened Tooth Surface|
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.
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.
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.
editor by CX 2023-09-15