CLASSIFICATION
Marine Shafting System & Parts
Marine shafting parts refer to the components of the propulsion system found within ships and vessels, responsible for transmitting power from the engine to the propeller(s) to generate thrust and propel the vessel through the water.
1. Shaft: The main shaft is a cylindrical component that transmits torque from the ship's engine to the propeller. It runs longitudinally along the centerline of the vessel and is typically made of high-strength materials such as stainless steel or alloy steel.
2. Bearings: Shaft bearings support the weight of the shaft and allow it to rotate smoothly within the stern tube or strut bearing. These bearings are often made of bronze, composite materials, or synthetic polymers to reduce friction and wear.
3. Stern Tube: The stern tube is a watertight passage through the hull at the stern (rear) of the vessel, through which the propeller shaft passes. It houses the shaft bearings and prevents water from entering the vessel.
4. Stuffing Box: The stuffing box is a sealing device located at the point where the propeller shaft exits the hull through the stern tube. It contains packing material or sealing rings that prevent water from leaking into the vessel while allowing the shaft to rotate.
5. Shaft seal: Shaft seals play a vital role in maintaining the watertight integrity of a ship's hull and ensuring the smooth and efficient operation of its propulsion system.
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