大型船用低速柴油机半组合式曲轴制造技术综述

Review of Manufacturing Technology of High-Power Low-Speed Semi-Modular Marine Crankshaft

从坯料制造、成型锻压、红套技术、精加工及刀具要求等4个方面分析了曲轴加工的特点和难点,概括了国内船用曲轴制造的相关技术现状,并结合上海船用曲轴有限公司的制造工艺,介绍了大型船用半组合式曲轴关键制造技术。

China＇s marine crankshaft manufacturing technology is reviewed. Characteristics and keys are analyzed, including blanks manufacturing, molding forging, heating of crankshaft shrinkage fitting, precision machining, and processing knife requirements, etc. Based on the manufacturing technology used in Shanghai Marine Crankshaft Co. , Ltd. , the key technologies of highpower low-speed semi-modular marine crankshaft are described.