本文针对735KW沿海拖轮，介绍了通过拉线法确定轴系理论中心线及尾轴管和螺旋桨的安装方法，并讲述用平轴法校中轴系及主机、齿轮箱的安装和定位，最后对取得的效果进行了评述。%Taking 735 KW coastal tug as the research object, The paper summarizes how to find and confirm the shafting theory centerline through Furrowed, and it also introduces installation method of Shaft tube and propellers. At the same time, this article describes shafting calibration by horizontal axis and installation and positioning of the diesel engine and gear box. At last, thefinal effect is evaluated also.
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