Product Description
Differential gearbox for lifting mechanism elevator
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.
Company Information
HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, 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.
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| Application: | Motor, Machinery, Marine, Agricultural Machinery |
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| 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$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
Advantages of Using a Worm Reducer in Mechanical Systems
Worm reducers offer several advantages that make them suitable for various mechanical systems:
- High Gear Reduction Ratio: Worm gearboxes provide significant speed reduction, making them ideal for applications that require a high gear reduction ratio without the need for multiple gears.
- Compact Design: Worm reducers have a compact and space-saving design, allowing them to be used in applications with limited space.
- Self-Locking: Worm gearboxes exhibit self-locking properties, which means that the worm screw can prevent the worm wheel from reversing its motion. This is beneficial for applications where the gearbox needs to hold a load in place without external braking mechanisms.
- Smooth and Quiet Operation: Worm gearboxes operate with a sliding motion between the teeth, resulting in smoother and quieter operation compared to some other types of gearboxes.
- High Torque Transmission: Worm gearboxes can transmit high torque levels, making them suitable for applications that require powerful torque output.
- Heat Dissipation: The sliding action between the worm screw and the worm wheel contributes to heat dissipation, which can be advantageous in applications that generate heat during operation.
- Stable Performance: Worm reducers offer stable and reliable performance, making them suitable for continuous operation in various industrial and mechanical systems.
Despite these advantages, it’s important to note that worm gearboxes also have limitations, such as lower efficiency compared to other gear types due to the sliding motion and potential for higher heat generation. Therefore, selecting the appropriate type of gearbox depends on the specific requirements and constraints of the application.
editor by CX 2024-01-08
China manufacturer Construction Hoist Elevator Safety Devices, Top Quality Lifting Worm Gear Reducer Gearbox manufacturer
Product Description
Construction Hoist Elevator Safety Devices, Top Quality Construction Lifting Worm Gear Reducer Gearbox
Construction hoist elevator safety devices SAJ
SAJ serials pinion and cone progressive safety device is the most important safety device in the pinion and rack builders hoist, which can prevent the cage running over speed, and effectively reduce the cage dropping accident.
The safety devices developed by ZheJiang Research Institute of Building Sciences has passed through the evaluation presided by the Ministry of Construction in 1989. The specialists at the meeting made a high appraisal of reasonable compact structure, stable action speed, highly accurate calibration, safe and reliable, braking smoothly and light weight etc. features of the safety devices.
The devices was recommended as hightech products developed in National Eighth Five Year Plan by the Ministry of Construction, and also won the ZheJiang excellent new product prize.
| Characteristics | Model | Rated Loading | Lifting Speed | Motor Power | |
| Double Cabin |
Low-speed |
SC200/200D | 2×2000kg | 0-33m/min | 2×(3×11kw) |
| SC100/100D | 2×1000kg | 0-33m/min | 2×(2×11kw) | ||
| Mid-speed |
SC200/200Z | 2×2000kg | 0-55m/min | 2×(2×11kw) | |
| SC100/100Z | 2×1000kg | 0-55m/min | 2×(2×11kw) | ||
| Single Cabin |
Low-speed |
SC200D | 2000kg | 0-33m/min | 3×11kw |
| SC100D | 1000kg | 0-33m/min | 2×11kw | ||
| Mid-speed |
SC200Z | 2000kg | 0-55m/min | 2×11kw | |
| SC100Z | 1000kg | 0-55m/min | 2×11kw | ||
The anti-drop safety devcie is consistent with China National Standards; also reach Hong Kong COP Standards and Europe EN Standards.
SAJ40-1.2 is 1 of safety devices for SC200/200. Other safety device including:
Top and bottom limit, cage door electrical and mechanical interlock safety device, landing door electrica and mechanical interlock, anti-exceeding top device, safety hook, anti-overload device, etc.
SC200/200 construction lifting hoist:
1.Cage capacity: 2000kg
2.Lifting speed: 33m/min
3.Mast section: painted or hot galvanized
4.Height: customized
5.Cage size:3.0×1.5×2.2
Anti-drop safety device are including:
SAJ30-1.2, SAJ30-1.4;
SAJ40-1.2, SAJ40-1.4;
SAJ50-1.2, SAJ50-1.4
ETC.
Personnel and materials construction building lifting equipment, construction tool equipment construction hoist of common models:
| Characteristic | Model | Rated Loading | Lifting Speed | Motor Power |
| Double cabin |
SC200/200 | 2×2000kg | 33m/min | 2×(3×11kw) |
| SC150/150 | 2×1500kg | 33m/min | 2×(2×15kw) | |
| SC100/100 | 2×1000kg | 33m/min | 2×(2×11kw) | |
| Single cabin |
SC200 | 2000kg | 33m/min | 3×11kw |
| SC150 | 1500kg | 33m/min | 2×15kw | |
| SC100 | 1000kg | 33m/min | 2×11kw |
| Certification: | CE |
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| Condition: | New |
| Hoisting Speed: | 1.2m/S |
| Loder Weight: | for Sc100 and Sc200 |
| Weight(Kg): | 38.5 |
| Brand: | Sribs |
| Customization: |
Available
| Customized Request |
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How to Select the Right Worm Gearbox for Your Application
Selecting the right worm gearbox for your application involves careful consideration of various factors:
- Load Requirements: Determine the torque and load requirements of your application to ensure the selected gearbox can handle the load without compromising performance.
- Speed Reduction: Calculate the required gear reduction ratio to achieve the desired output speed. Worm gearboxes are known for high reduction ratios.
- Efficiency: Consider the gearbox’s efficiency, as worm gearboxes typically have lower efficiency due to the sliding action. Evaluate whether the efficiency meets your application’s needs.
- Space Constraints: Assess the available space for the gearbox. Worm gearboxes have a compact design, making them suitable for applications with limited space.
- Mounting Options: Determine the mounting orientation and configuration that best suits your application.
- Operating Environment: Consider factors such as temperature, humidity, and exposure to contaminants. Choose a gearbox with appropriate seals and materials to withstand the environment.
- Backlash: Evaluate the acceptable level of backlash in your application. Worm gearboxes may exhibit more backlash compared to other gear types.
- Self-Locking: If self-locking capability is required, confirm that the selected gearbox can prevent reverse motion without the need for external braking mechanisms.
- Maintenance: Consider the maintenance requirements of the gearbox. Some worm gearboxes require periodic lubrication and maintenance to ensure proper functioning.
- Cost: Balance the features and performance of the gearbox with the overall cost to ensure it aligns with your budget.
Consult with gearbox manufacturers or experts to get recommendations tailored to your specific application. Testing and simulations can also help validate the suitability of a particular gearbox for your needs.
editor by CX 2023-08-17