Product Description
Product Description
Enhanced Shaft-Mounted Gearbox Specifications
1. Versatile Output Hub Configuration
- Offers both standard and customized hubs with metric bores, accommodating a wide range of international standard shaft diameters for diverse industrial applications.
2. Superior Precision Gearing
- Utilizes computer-designed helical gears crafted from strong alloy steels, ensuring outstanding load capacity. Gears are case carburized for extended lifespan, with ground profile teeth featuring a CHINAMFG tooth profile for optimal engagement. Manufactured to ISO 1328-1997 standards, achieving 98% efficiency per stage for unparalleled smooth and quiet operation with multiple teeth in mesh.
3. Robust Maximum Capacity Housing
- Constructed from close grain cast iron, this gearbox housing boasts exceptional vibration dampening and shock resistance. Precision bored and dwelled components guarantee precise in-line assembly, making it ideal for heavy-duty operations.
4. Durable Alloy Steel Shafts
- Crafted from hardened, strong alloy steel and ground on journals, gear seatings, and extensions to withstand the highest loads and torsional stresses. Features generously sized shaft keys to absorb shock loading, adhering to ISO quality standards for maximum reliability.
5. Innovative Case Support Feet
- Integrated additional case feet eliminate the need for critical torque arm bolt tightening, maintaining the standard torque arm mounting position within recommended limits for enhanced operational stability.
6. Reliable Backstops
- Available as optional parts, our anti-run back devices are compatible with all 13:1 and 20:1 ratio units, ensuring safety and reliability in reversing operations. Not recommended for 5:1 ratio units to maintain system integrity.
7. High-Quality Bearings and Seals
- Features bearings that are proportioned to support heavy loads, conforming to the ISO dimension plan for global availability. Oil seals are equipped with double-lipped garter springs, providing superior oil retention and protection against contaminants.
8. Enhanced Rubberized End Caps
- Self-sealing intermediate cover plates conform to standard ISO housing dimensions, offering additional protection and maintenance ease for demanding environments.
9. Adjustable Torque Arm Assembly
- Designed for effortless adjustment of the belt tension, simplifying installation and maintenance while enhancing system performance and longevity in heavy-duty applications.
Conclusion
This enhanced shaft-mounted gearbox is engineered to meet the rigorous demands of heavy-duty industrial applications, offering unmatched durability, efficiency, and versatility. With its superior design and components, it ensures reliable performance under the most challenging conditions, providing a robust solution for your power transmission needs.
Detailed Photos
Company Profile
CHINAMFG GROUP is the first and largest worm gearbox manufacturer in China, established in 1976, specialising in the production of a wide variety of transmission machinery. With more than 40 years experience in the industry, our assets now total 117.2 million dollars, and we have 2 subsidiary companies, 8 holding companies, and 12 joint-stock companies.
We can produce 400,000 units of worm gearboxes, 100,000 units of gear reducers, 50,000 units of other speed reducers, 150,000 units of flexible couplings, and 100,000 units of speed-reducer accessories every year.
70% of our products have been exported to 40 more countries, and our customers come from Italy, Germany, USA, Canada, Spain, UK, India, Mexico, Brazil, Argentina, Turkey, Singapore and other main industrial countries. 30% of them are OEM made for direct manufacturers of other products.
FAQ
Q1. Is your quality good?
A1: Quality never tell lies, we’re the largest manufacturer and exporter of worm gear reducer in Asia, the first reducers and gearboxes manufacturer in China, who has been given license since 1993. Also, we had achieved ISO9001 and CE Certificate among all manufacturers.
Q2. How is your price? Can you offer any discount?
A2: We will give the best price we can base on your needs and the quantities.
Q3. Do you offer any visiting?
A3: Yes! We sincerely invite you to visit us! We can pick you from airport, railway station and so on. Also, we can arrange housing for you. Please let us know in advanced.
Q4. When is the best time to contact you?
A4: You can contact us by email any time, we will reply you ASAP. If you want contact by phone, our working hour is Mon-Sat 9am-17:30pm.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction |
| Layout: | Parallel |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|
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.
Diagnosing and Fixing Oil Leakage in a Worm Gearbox
Oil leakage in a worm gearbox can lead to reduced lubrication, increased friction, and potential damage to the gearbox components. Here’s a step-by-step process to diagnose and fix oil leakage:
- Inspect the Gearbox: Perform a visual inspection of the gearbox to identify the source of the leakage. Check for oil stains, wet spots, or oil pooling around the gearbox.
- Check Seals and Gaskets: Inspect the seals, gaskets, and O-rings for any signs of wear, cracks, or damage. These components are common points of leakage.
- Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
- Replace Damaged Seals: If you find damaged seals or gaskets, replace them with new ones. Use seals that are compatible with the operating conditions and lubricant.
- Check Breather Vent: A clogged or malfunctioning breather vent can cause pressure buildup inside the gearbox, leading to leakage. Clean or replace the breather vent if necessary.
- Examine Shaft Seals: Check the shaft seals for wear or damage. If they’re worn out, replace them with seals of the appropriate size and material.
- Use Proper Lubricant: Ensure that you’re using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
- Apply Sealants: In some cases, applying a suitable sealant to the joints and connections can help prevent leaks. Follow the manufacturer’s instructions for proper application.
- Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
- Regular Maintenance: Implement a regular maintenance schedule that includes checking seals, gaskets, and other potential leakage points. Timely maintenance can prevent future leakage issues.
If you’re unsure about diagnosing or fixing oil leakage in a worm gearbox, consider consulting with a professional or gearbox manufacturer to ensure proper resolution.
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.
editor by CX 2024-05-06
China best Nmrv030 Planetary Right Angle Helical Bevel Gear Motor Spiral Bevel Extruder Concrete Mixer Drilling Gearbox for Universal Mounting manufacturer
Product Description
NMRV030 Planetary Right Angle Helical Bevel Gear Motor Spiral Bevel Extruder Concrete Mixer Drilling Gearbox For Universal Mounting
Our Gearbox has many items for your choosing and we can produce as per your drawing or sample to meet your special request
1. Large output torque
2. Safe, reliable, economical and durable
3. Stable transmission, quiet operation
4. High carrying ability
5. High modularization design, may equip with various outer power input conveniently. Same machine type may equip with various power motor. It is easy to realize the combination and junction between every machine type
6. Transmission ratio: Fine division, wide scope. The combined machine type may form very large transmission ratio, i. E. Output very low rotary speed.
7. Form of installation: The position to be installed is not limited.
8. High strength, compact the box body of high strength cast iron, gear and gear shaft adapts the gas carbonization, quenching and fine grinding process, therefore the bearing capacity of unit volume is high.
9. Long life: Under the condition of correct type chosen(including choosing suitable operation parament ) normal operation and maintenance, the life if main parts speed reducer(except wearing parts)should not be less than 20000 hours. The wearing parts include lubricating oil, oil seal and bearing.
10. Low noise: Because main parts of speed reducer are processed, and tested critically, therefore the noise of speed reducer is low.
11.Our gear box have reached the advance international level, can replace the same kind of products imported.
HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, gearbox, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.
Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets.Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.
With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.
Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Coaxial |
| Customization: |
Available
| Customized Request |
|---|
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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)
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.
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 2024-01-05