Flange Mounted Planar Double Enveloping Worm Reduction Gearbox
As 1 of famous double enveloping worm gear manufacturers,SGR’s double throated worm gear has advantage of High efficiency, low noise, smooth operation , it increase output torque that mean increasing loading capacity , improved gear accuracy, and extended Long life service period . in SGR double enveloping worm gear design ,based on different ratio, it has Multi-tooth meshed, allowed bigger CHINAMFG load . with the increase of number of driven gear teeth , that mean in contact with the worm significantly increases output torque force. except increasing the number of driven gear teeth in contact with the worm, double enveloping worm gear also increase the contact surface on every gear tooth. The actual gear surface of instantaneous contact between the double throated and the driven gear tooth are in-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 gear are configured to increase the force and decrease the stress on every gear tooth.
Datasheet 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|
|Hardness:||Hardened Tooth Surface|
|Gear Shape:||Bevel Gear|
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.
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)
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.
Preventing Backlash in a Worm Gearbox
Backlash in a worm gearbox can lead to reduced accuracy, positioning errors, and decreased overall efficiency. Here are steps to prevent or minimize backlash:
- High-Quality Components: Use high-quality worm gears and worm wheels with tight manufacturing tolerances. Precision components will help reduce backlash.
- Proper Meshing: Ensure the worm gear and worm wheel are properly aligned and meshed. Improper meshing can lead to increased backlash.
- Preload: Applying a small amount of preload to the worm gear can help reduce backlash. However, excessive preload can increase friction and wear.
- Anti-Backlash Mechanisms: Consider using anti-backlash mechanisms, such as spring-loaded systems or adjustable shims, to compensate for any inherent backlash.
- Lubrication: Proper lubrication can reduce friction and play a role in minimizing backlash. Use a lubricant that provides good film strength and reduces wear.
- Maintenance: Regularly inspect and maintain the gearbox to identify and address any changes in backlash over time.
It’s important to strike a balance between reducing backlash and maintaining smooth operation. Consulting with gearbox experts and following manufacturer guidelines will help you optimize your worm gearbox’s performance while minimizing backlash.
editor by CX 2023-09-14