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利用热胀形对钛合金薄壁筒形件精确成形是一种新的成形方法,胀形芯轴设计是热胀形精确成形关键技术之一。本文阐述了热胀形成形原理、胀形芯轴材料的选取、尺寸的确定及结构设计,给出了热胀形成形工艺流程。
Precise shaping of thin-walled titanium alloy cylindrical parts by hot bulging is a new forming method. The bulging mandrel design is one of the key technologies for hot bulging forming. In this paper, the principle of thermal expansion forming, the selection of bulging mandrel material, the determination of the dimension and the structural design are described. The technological process of thermal expansion forming is given.