Double Enveloping Transmission Gear Industry Worm Gear Box
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)
1, High torque double enveloping worm gear adjust toughest working condition .
2,Universal design double enveloping worm gearbox.
3, Smooth and noiseless operation double worm gearbox.
4, Higher driving efficiency than traditional worm gear.
5, Increasing loading capacity .
6, Strict quality test before shipping
7, Customized design for various application
8, Long life service period
9,suitable price with moderated
10, moderate price & high quality
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 CZPT 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.
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.
Lubrication Requirements for a Worm Gearbox
Lubrication is crucial for maintaining the performance and longevity of a worm gearbox. Here are the key considerations for lubricating a worm gearbox:
- Type of Lubricant: Use a high-quality, high-viscosity lubricant specifically designed for worm gearboxes. Worm gearboxes require lubricants with additives that provide proper lubrication and prevent wear.
- Lubrication Interval: Follow the manufacturer’s recommendations for lubrication intervals. Regularly check the gearbox’s temperature and oil condition to determine the optimal frequency of lubrication.
- Oil Level: Maintain the proper oil level to ensure effective lubrication. Too little oil can lead to insufficient lubrication, while too much oil can cause overheating and foaming.
- Lubrication Points: Identify all the lubrication points on the gearbox, including the worm and wheel gear surfaces. Apply the lubricant evenly to ensure complete coverage.
- Temperature: Consider the operating temperature of the gearbox. Some lubricants have temperature limits, and extreme temperatures can affect lubricant viscosity and performance.
- Cleanliness: Keep the gearbox and the surrounding area clean to prevent contaminants from entering the lubricant. Use proper filtration and seals to maintain a clean environment.
- Monitoring: Regularly monitor the gearbox’s temperature, noise level, and vibration to detect any signs of inadequate lubrication or other issues.
Proper lubrication will reduce friction, wear, and heat generation, ensuring smooth and efficient operation of the worm gearbox. Always refer to the manufacturer’s guidelines for lubrication specifications and intervals.
editor by CX 2023-09-11