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What are the classifications of stern tubes?
According to different classification standards, Marine stern tubes can be divided into different types.
According to the classification of materials, Marine stern tubes can be divided into cast steel stern tubes, seamless steel tube stern tubes, copper and copper alloy tube stern tubes, stainless steel tube stern tubes and so on.
According to the classification of structure, Marine stern tube can be divided into integral stern tube and assembled stern tube. Integral stern tubes are cast or welded into one piece, such as bearings and seals, and then installed at the rear of the hull. This kind of stern tube has simple structure and convenient installation, but it is difficult to maintain and replace. The assembled stern tube is to separate the bearing and sealing device, etc., and install and adjust it on site, so that it can adapt to different ship tail structure and size requirements, while convenient maintenance and replacement.
According to different classification standards, Marine stern tubes can be divided into different types.
According to the classification of structure, Marine stern tube can be divided into integral stern tube and assembled stern tube. Integral stern tubes are cast or welded into one piece, such as bearings and seals, and then installed at the rear of the hull. This kind of stern tube has simple structure and convenient installation, but it is difficult to maintain and replace. The assembled stern tube is to separate the bearing and sealing device, etc., and install and adjust it on site, so that it can adapt to different ship tail structure and size requirements, while convenient maintenance and replacement.
According to the propulsion classification of ships, the shape and structure of Marine stern tubes are also different. For example, some ships use propeller thrusters, while others use water jet thrusters and so on. Therefore, the shape and structure of the Marine stern tube also need to be designed and selected according to the propulsion mode.
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