挂舵臂，即支承半悬挂舵的臂状构件。
Rudder horn is the key unit of Large-scale pelagic ship rudder suspension. The nature and quality of rudder horn are very important to ship running.
挂舵臂是远洋货轮吊挂舵结构的关键件，挂舵臂的性能和质量对船舶的运行起着至关重要的作用。
参考来源 - 远洋货轮挂舵臂铸造工艺优化及冒口覆盖剂研究·2,447,543篇论文数据，部分数据来源于NoteExpress
在锚链筒及挂舵臂的外板厚度应予以加强。
The plates around the anchor chain bell mouth and rudder horn shall be strengthened.
各国船级社认为悬挂在船体上的挂舵臂应视为弹性支座对舵杆进行直接计算。
The classification societies of all country hold that the horn should be taken as an elastic fulcrum of the rudder stock in the stock's calculation.
分析了挂舵臂铸钢件常见的组织缺陷及产生原因，提出了铸钢件的冶炼及热处理工艺。
The common structural defect of large-scale rudder horn casting steel and its cause of flaw were analyzed, the smelting and heat treatment technology of casting steel was pointed out as well.
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