Product Description
Product Description
Application
Marine Gearbox D300A is suitable for fishing, tug, engineering and transport boats.
Description
Marine Gearbox D300A possesses functions of speed reduction, ahead and astern clutching and bearing propeller thrust. It is designed of vertically offset and one-stage transmission, featuring in small in volume, large in ratio, light in weight and easy in dismantle & reassemble and maintain.
ADVANCE HCD600A – 5,44:1
MEDIUM/HEAVY DUTY GEARBOX
| Reference number | A-HCD600A-5,44 |
| Brand | Advance |
| Model | HCD600A |
| Ratio | 5,44:1 |
| Power | 972 HP @ 1800 RPM |
| Max. Power | 1134 HP @ 2100 RPM |
| RPM Range | 1000-2100 |
| Rated propeller thrust | 90 kn |
| N/n | 0,54 hp/rpm |
FEATURES & OPTIONS
| Sae housing | Without/sae-00 |
| Controls | Mechanical |
| Pto | Not available |
| Coupling size | 21 /18 /14 inch |
| Coupling type | Rubber block drive, with alu. ring/(high) flexible coupling |
DIMENSIONS
| Vertical offset | 415 mm |
| LxWxH | 745x1094x1271 mm |
| Net. weight | 1550 kg |
AVAILABLE ARRANGEMENTS
| Ratio | 3,32:1 | 4,7:1 | 4,18:1 | 4,43:1 | 5,44:1 | 5,71:1 | 5:1 |
| Rate | 0,65 hp/rpm | 0,62 hp/rpm | 0,54 hp/rpm | 0,6 hp/rpm | |||
ADVANCE HC400 – 4,06:1
MEDIUM/HEAVY DUTY GEARBOX
| Reference number | A-HC400-4,06 |
| Brand | Advance |
| Model | HC400 |
| Ratio | 4,06:1 |
| Power | 684 HP @ 1800 RPM |
| Max. Power | 684 HP @ 1800 RPM |
| RPM Range | 1000-1800 |
| Rated propeller thrust | 82 kn |
| N/n | 0,38 hp/rpm |
FEATURES & OPTIONS
| Sae housing | Without/sae-0/sae-1 |
| Controls | Mechanical/ electrical |
| Pto | Not available |
| Coupling size | 18 /16 /14 inch |
| Coupling type | Rubber block drive, with alu. ring/(high) flexible coupling |
DIMENSIONS
| Vertical offset | 264 mm |
| LxWxH | 843x950x890 mm |
| Net. weight | 820 kg |
AVAILABLE ARRANGEMENTS
| Ratio | 1,5:1 | 1,77:1 | 2,04:1 | 2,5:1 | 3,25:1 | 3,38:1 | 3,42:1 | 3:1 | 4,06:1 | 4,61:1 | 4,94:1 |
| Rate | 0,45 hp/rpm | 0,38 hp/rpm | 0,25 hp/rpm | ||||||||
ADVANCE D300A – 4:1
MEDIUM/HEAVY DUTY GEARBOX
| Reference number | A-D300A-4 |
| Brand | Advance |
| Model | D300A |
| Ratio | 4:1 |
| Power | 630 HP @ 1800 RPM |
| Max. Power | 805 HP @ 2300 RPM |
| RPM Range | 1000-2300 |
| Rated propeller thrust | 60 kn |
| N/n | 0,35 hp/rpm |
FEATURES & OPTIONS
| Sae housing | Without/sae-0/sae-1 |
| Controls | Mechanical/ electrical |
| Pto | Available |
| Note | If using flexible couping, rate will rise 8% |
| Coupling size | 18 /16 /14 inch |
| Coupling type | Rubber block drive, with alu. ring/(high) flexible coupling |
DIMENSIONS
| Vertical offset | 355 mm |
| LxWxH | 786x920x1040 mm |
| Net. weight | 940 kg |
AVAILABLE ARRANGEMENTS
| Ratio | 4,48:1 | 4:1 | 5,05:1 | 5,52:1 | 5,9:1 | 6,56:1 | 7,06:1 | 7,63:1 |
| Rate | 0,33 hp/rpm | 0,35 hp/rpm | 0,30 hp/rpm | 0,25 hp/rpm | 0,20 hp/rpm | 0,17 hp/rpm | ||
Main Data
|
Input speed |
1000-2500r/min |
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|
Reduction ratio |
4.00 |
Trans. capacity |
0.257kw/r/min |
|
4.48 |
0.243kw/r/min |
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|
5.05 |
0.221kw/r/min |
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|
5.52,5.90 |
0.184kw/r/min |
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|
6.56,7.06 |
0.147kw/r/min |
||
|
7.63 |
0.125kw/r/min |
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|
Control way |
Push-and-pull flexible shaft, electrically, pneumatically |
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|
Rated thrust |
60KN |
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|
Center distance |
355mm |
||
|
L×W×H |
786×980×1041mm |
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|
Net weight |
940kg |
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Flywheel |
12V135,SAE18,16,14 |
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|
CHINAMFG housing |
12V135,SAE0,1 |
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Our Service
Pre-Sales Service
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
After-Sales Service
* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.
Company Profile
Our Company
We can provide:
WEICHAI
Sales of Chinese marine engines and gearboxes, generator sets, pump units, providing modification, upgrades, consulting services
Products China marine engine parts and engineering machinery parts. Products include: CHINAMFG HOWO, CHINAMFG Power, SHXIHU (WEST LAKE) DIS.I, service
Provide cargo warehousing, packaging, transportation and export agency services
Agency procurement, inspection and inspection agency.
HangZhou CHINAMFG power Co., Ltd
Contaction Person: ceci lee
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| Application: | Motor, Marine |
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| Function: | Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase |
| Layout: | Cycloidal |
| 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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What are the Noise Levels Associated with Worm Gearboxes?
The noise levels associated with worm gearboxes can vary depending on several factors, including the design, quality, operating conditions, and maintenance of the gearbox. Here are some key points to consider:
- Design and Quality: Well-designed and high-quality worm gearboxes tend to produce lower noise levels. Factors such as gear tooth profile, precision manufacturing, and proper alignment can contribute to reduced noise.
- Gear Engagement: The way the worm and worm wheel engage and mesh with each other can impact noise levels. Proper tooth contact and alignment can help minimize noise during operation.
- Lubrication: Inadequate or improper lubrication can lead to increased friction and wear, resulting in higher noise levels. Using the recommended lubricant and maintaining proper lubrication levels are important for noise reduction.
- Operating Conditions: Operating the gearbox within its specified load and speed limits can help prevent excessive noise generation. Overloading or operating at high speeds beyond the gearbox’s capabilities can lead to increased noise.
- Backlash: Excessive backlash or play between the gear teeth can lead to impact noise as the teeth engage. Proper backlash adjustment can help mitigate this issue.
- Maintenance: Regular maintenance, including gear inspection, lubrication checks, and addressing any wear or damage, can help keep noise levels in check.
It’s important to note that while worm gearboxes can produce some noise due to the nature of gear meshing, proper design, maintenance, and operation can significantly reduce noise levels. If noise is a concern for your application, consulting with gearbox manufacturers and experts can provide insights into selecting the right gearbox type and implementing measures to minimize noise.
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 Industries Commonly Use Worm Reducers?
Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:
- Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
- Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
- Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
- Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
- Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
- Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
- Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
- Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
- Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
- Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.
Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.
editor by CX 2024-03-26