Our marine gearbox is engineered for durability and efficiency in various marine applications. Designed with precision, it ensures smooth power transmission between the engine and propeller, enhancing vessel performance. Below are the detailed product parameters presented in lists and tables for clarity.
| Parameter | Specification |
|---|---|
| Gear Ratio Range | 1.5:1 to 4.5:1 |
| Maximum Input Power | Up to 1000 HP |
| Maximum Input Speed | 3000 RPM |
| Weight | 50 kg to 200 kg (depending on model) |
| Lubrication System | Integrated oil pump with filtration |
| Cooling Method | Water-cooled or air-cooled options |
| Material | Cast iron or aluminum alloy housing |
| Noise Level | Below 85 dB at full load |
| Model | Gear Ratio | Max Power (HP) | Weight (kg) | Application |
|---|---|---|---|---|
| MG-100 | 2:1 | 200 | 50 | Small boats, fishing vessels |
| MG-200 | 2.5:1 | 400 | 80 | Medium yachts, workboats |
| MG-300 | 3:1 | 600 | 120 | Large commercial vessels |
| MG-400 | 4:1 | 800 | 150 | High-speed patrol boats |
| MG-500 | 4.5:1 | 1000 | 200 | Heavy-duty tugboats, ferries |
What is a marine gearbox and how does it work?
A marine gearbox is a mechanical device that transmits power from the engine to the propeller, allowing for speed reduction and torque multiplication. It works by using gears to change the rotational speed and direction, ensuring efficient propulsion in water vessels.
What are the maintenance requirements for a marine gearbox?
Regular maintenance includes checking oil levels every 100 operating hours, changing oil annually or after 1000 hours, inspecting for leaks, and ensuring proper alignment. Use recommended lubricants to prevent wear and extend lifespan.
How do I choose the right marine gearbox for my vessel?
Consider factors such as engine power, propeller size, gear ratio needs, and vessel type. Match the gearbox's maximum input power and speed with your engine specifications, and consult the manufacturer's guidelines for compatibility.
Can a marine gearbox be repaired if damaged?
Yes, most marine gearboxes can be repaired by replacing worn parts like gears, bearings, or seals. It's essential to use genuine parts and follow professional service procedures to avoid further damage.
What is the typical lifespan of a marine gearbox?
With proper maintenance, a marine gearbox can last 10-15 years or more, depending on usage conditions. Factors like operating load, environment, and adherence to service schedules significantly impact longevity.
Are there different types of marine gearboxes available?
Yes, common types include direct drive, reduction gear, and reversible gearboxes. Selection depends on the application, such as forward and reverse movement needs, space constraints, and performance requirements.
How does the gear ratio affect performance?
The gear ratio determines the speed and torque output. A higher ratio provides more torque for heavier loads but lower speed, while a lower ratio offers higher speed with less torque, ideal for lighter vessels.
What materials are used in marine gearbox construction?
Typically, housings are made from cast iron or aluminum alloy for strength and corrosion resistance, while gears are crafted from hardened steel to withstand high stress and marine environments.
Is noise a common issue with marine gearboxes?
Modern marine gearboxes are designed to operate quietly, with noise levels below 85 dB. Proper installation and maintenance minimize noise, but excessive sound may indicate misalignment or wear needing attention.
Can I install a marine gearbox myself?
Installation requires technical expertise due to alignment precision and connection to engine/propeller systems. It's recommended to hire a professional marine mechanic to ensure safety and optimal performance.
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