The present status of the application of large blades of steam turbine,the character-istics of blades,key points of die forging and technical solution of manufacturing are analyzed.

• 分析了汽轮机大叶片应用现状、叶片特点、模锻成形关键点及其制造工艺方案,介绍了制坯工艺、成形模具设计以及大叶片模锻工艺要点。