How do Marine gearboxes work?

Marine gearbox is an important part of Marine power system. Usually the Marine gearbox is mounted on the drive end of the engine, between the engine and the propeller shaft. The engine is connected to the gearbox through flanges, which are connected to the drive shaft. This kind of machinery is generally composed of gears, wheels, clutches, pressure plates, input couplings, output couplings, etc.

The main function is to transfer the power generated by the engine to the thrusters, thereby driving the ship forward. The working process of Marine gearbox mainly includes the following steps:

Power input: 

The Marine gearbox transmits the power generated by the engine to the input shaft of the gearbox through transmission devices such as couplings.

Gear change: 

Inside the gearbox, through the engagement and transformation of different gears, the input power is accelerated or decelerated to meet the needs of the propeller.

Output shaft: 

After the gear change, the power is transferred to the output shaft, which drives the propeller to rotate.

Lubrication and cooling: 

Marine gearbox in the working process, the need for lubricating oil and cooling water and other fluids to lubricate and cool, to reduce friction and heat, to ensure normal operation.

Control system: 

Marine gearboxes are usually equipped with control systems to adjust the working state and parameters of the gearboxes, such as the temperature and pressure of lubricating oil, the flow of cooling water, etc.

The Marine gearbox transmits the power generated by the engine to the propeller through the meshing and transformation of different gears to drive the ship forward. At the same time, the gearbox also needs fluids such as lubricating oil and cooling water for lubrication and cooling to ensure normal operation.

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