研究了圆锥杯形件的变形模式，将其成形过程分为三个阶段。
This article studied the deformation mode during superplastic bulging of conical cup from sheet metal.
本文的研究工作围绕杯形薄壁内齿轮旋压变形机理、工艺参数间的制约关系、成形工艺以及工艺参数的优化展开。
The research mainly focuses upon the deformation mechanism, relationship among forming parameters, and forming process optimization of inner gear spinning.
本文的研究工作围绕杯形薄壁内齿轮旋压变形机理、工艺参数间的制约关系、成形工艺以及工艺参数的优化展开。
The research mainly focuses upon the deformation mechanism, relationship among forming parameters, and forming process optimization of inner gear spinning.
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