What Is Stern Shaft Covering Sleeve?
What Is Stern Shaft Covering Sleeve? The stern shaft covering sleeve is a device that protects the stern shaft of a ship, usually installed at the tail of the ship, covering the stern shaft . Its main function is to prevent the tail shaft from being corroded and worn by water and other substances, thus extending the service life of the tail shaft. The stern shaft covering sleeve is usually made of a metal material, such as cast iron or cast steel, but can also be made of a wear-resistant, corrosion-resistant synthetic material. The inside of the stern shaft covering sleeve is usually filled with lubricating oil or preservatives to reduce the friction and wear of the stern shaft. At the same time, in order to better fix the cladding sleeve, fasteners such as bolts are usually used to fix it to the hull. The use of the covered sleeve of the stern shaft can effectively reduce the maintenance and replacement frequency of the stern shaft and improve the operating eff...