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以前我厂生产的船用中间动力传动轴均采用整锻工艺,其锻造工艺复杂、成本高.为此,我厂决定采用焊接结构.该传动轴为法兰结构,如图1所示.
In the past, the middle power propshafts of marine used in our factory all used the forging process, and the forging process was complex and the cost was high. Therefore, our factory decided to adopt the welding structure.