Ship stern bearing wear is a significant problem often appeared during sea trials for large new ships which directly affects the subsequent link of ship construction thus the whole construction progress. And even worse it may cause the owners abandon the ships. Ship shafting vibration is the integrated embodiment of its working status and shafting performance which can reflect the dynamic response characteristics such as the main engine incentives, propeller incentives and the coupling incentives. It can also reflect the stern bearing wear probability. This study starts with the large new ships? shafting vibration experiment, by the shafting vibration experiment and analysis and researches on shafting vibration and its correlation with stern bearing wear, thereby provides checking and analysis method for stern bearing wear.
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