Product Description
About ADVANCE
Standing on transmission industry, relying on science and technology progress, core competitiveness is enhanced and leading position in the industry area is established. Since 1980s, based on independent development, the Company has imported advanced foreign technology and reali zed secondary innovation. The products area has been expanded into 10 families covering over 1000 types, from single marine gearbox to t en types, thousands of products, including motive marine propulsion system, construction machinery transmissions, wind turbine transmissions, auto transmissions,agricultural transmissions, rail transittransmissions,industrial transmissions, special products,powder metallurgical (P/M) products, and large-sized high-precision gears.
The Company imported first class equipments, established complete quality management system and sales service network to provide clients with high-quality products and satisfactory service. “Advance” products are sold in 31 provinces and municipalities in China and 47 countries and regions in the world.
Marine Products
The company’s marine products include marine gearbox, hydraulic clutch, hydraulic transmission and CPP, FPP, tunnel thruster and azimuthing thruster, which are widely used in fishing, transport, working, special boats, CHINAMFG large-power vessels and etc. The products are approved by CCS, BV, GL, LR, ABS, NK, DNV, RS and KR Classification Societies. The development and manufacturing capability of the company is in the leading position in the country. It drafted 5 national and industrial standards e.g. JB/T9746.1-2011 Technical Condition of Marine Gearbox, GB/T 3003-2011 Medium-speed Marine Diesel Engine Gearbox. Products are complete in model spectrum, power transmission capacity ranging 10kW~10000kW, in which, GW-series large-power marine gearbox and down-angle transmission yacht gearbox are in international leading level.
Products
| Marine Product Series | |
| HC-series Marine Gearbox
HC-series marine gearbox self-developed by the company is of power ranging 10kW~3000kW, ratio ranging 1.5~20:1, complete in specifications, high market share, widely used in heavy loaded ships such as transport, fishing and engineering boats. Product design and manufacturing capability are in leading nationally and advanced internationally level. |
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| GW-series Marine Gearbox
GW-series marine gearbox is developed with the introduced technology from LOHMANN Company (German), including GWC, GWD, GWS, GWH, GWL and GWK 6 series, in which GWC as the basic type. These series are complete in specifications, high market share, and widely used in large ships such as transport, engineering, and fishing boats |
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| GC-series Marine Gearbox
By input and output arrangements, GC-series marine gearbox can be divided into 4 series, that is, GCS/GCST/GCSE series, GCH/GCHT/GCHE series, GCD series and GCC series, which matching engine and CPP to form main propulsion system of ship, widely used in cargo, oil and container vessels. Control pneumatically or electrically. Main features: 1. Possess functions of clutch & de-clutching, speed reduction and bearing propeller thrust; 2. Modular design, with PTO and PTI functions; 3. Alternative structure to meet engine room arrangement requirement; 4. Mature and reliable hydraulic control series to satisfy control request on gearbox conditions and multiple clutches; 5. Apply mechanical and automatic control, realizing local emergent control and remote control of the gearbox; 6. Non-standard design is available on request; 7. CPP distributor could be installed at front end of gearbox output on demand. |
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| 2GWH-series (Twin-engine Parallel Operation) Marine Gearbox
2GWH-series (twin-engine parallel operation) marine gearbox is of double power input and single power output, and can form main propulsion system together with engine and CPP. Twin-engine parallel operation is more and more used for higher energy saving and safety. Main Features: 1. Possess functions of clutch & de-clutching, speed reduction and bearing propeller thrust; 2. Realize power double input and single output, and intelligent control; 3. Modular design, with PTO and PTI functions; 4. Alternative structure to meet engine room arrangement requirement; 5. Mature and reliable hydraulic control series to satisfy control request on gearbox conditions and multiple clutches; 6. Apply mechanical and automatic control, realizing local emergent control and remote control of the gearbox; 7. Non-standard design is available on request; |
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| Light Hi-speed Marine Gearbox
HCQ/HCA/HCM/HCV series light high-speed marine gearboxes self-developed by the company are designed of power ranging 20kW~2300kW, ratio ranging 1.5~3.5:1 and complete in specifications. Product with ‘Q’ in code is with cast iron housing, with ‘M’ aluminum housing and with ‘A’ and ‘V’ with down angle transmission structure. These products enjoy high market share, are widely used on various yacht, traffic boat, passenger boat. Product design and manufacturing capability are in national leading and international advanced level. Main features: 1. Possess functions of clutch & de-clutching, speed reduction and bearing propeller thrust; 2. Compact in structure, small in volume and light in weight; 3. High rated input speed and high manufacturing precision; 4. Good complete-machine performance, low noise and small vibration; 5. Match high-speed diesel engine, mainly used on medium-to-small high-speed boats; 6. Apply mechanical and automatic control, realizing local emergent control and remote control of the gearbox. |
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| Marine Auxiliary Gearbox
Marine auxiliary gearbox is those not for main propulsion use, which are used to drive hydraulic pump, generator, slurry pump etc.. On request, the product can be designed with functions of clutching & de-clutching, speed increasing or reduction, braking and multiple PTO output, widely used for various auxiliary power transmission on ship. |
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| HCL-series Hydraulic Clutch
HCL-series hydraulic clutches apply structure of wet, multiple P/M friction discs, suitable for clutch condition of high speed, load and frequency. On request, mechanical or electrical control is optional. The control system works sensitively, easily realizing remote or automatic control. The product has high universalization, serialization and modularization level. The basic elements such as input coupling, clutch discs, cooler and filter are all mature parts from batch production. Spare parts are of high interchangeability and easy to purchase. |
Medium And Heavy Duty Gearboxes
Power range: 10kW~3000kW
Ratio:1.5~20:1
Vessel type: transportation, fishing, work boats and etc.
Production Line
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| Application: | Marine |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Single-Step |
| Type: | Worm Gear Box |
| Power Range: | 10kw~3000kw |
| Customization: |
Available
| Customized Request |
|---|
Maintenance Tips for Prolonging the Life of a Worm Gearbox
Proper maintenance is essential to ensure the longevity and reliable performance of a worm gearbox. Here are some maintenance tips to consider:
- Lubrication: Regularly check and replenish the lubricant in the gearbox. Use the recommended lubricant type and quantity specified by the manufacturer.
- Lubrication Schedule: Follow a lubrication schedule based on the operating conditions and manufacturer recommendations. Regular lubrication prevents friction, reduces wear, and dissipates heat.
- Temperature Monitoring: Keep an eye on the operating temperature of the gearbox. Excessive heat can degrade the lubricant and damage components.
- Cleanliness: Keep the gearbox and surrounding area clean from debris and contaminants. Regularly inspect and clean the gearbox exterior.
- Seal Inspection: Check for any leaks or damage to seals and gaskets. Replace them promptly to prevent lubricant leaks and contamination.
- Alignment: Ensure proper alignment between the worm and worm wheel. Misalignment can lead to increased wear and reduced efficiency.
- Torque Monitoring: Monitor the torque levels during operation. Excessive torque can cause overloading and premature wear.
- Regular Inspections: Periodically inspect all components for signs of wear, damage, or unusual noise. Replace worn or damaged parts promptly.
- Proper Usage: Operate the gearbox within its specified limits, including load, speed, and temperature. Avoid overloading or sudden changes in operating conditions.
- Expert Maintenance: If major maintenance or repairs are needed, consult the manufacturer’s guidelines or seek the assistance of qualified technicians.
By following these maintenance tips and adhering to the manufacturer’s recommendations, you can extend the lifespan of your worm gearbox and ensure its optimal performance over time.
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.
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 2024-03-08