The drawing process for producing the part is completed in one operation, and a hole for machining use is pre-punched to control the magnitude of radial stress.
采用一次拉延成型，并在其底部预冲工艺孔，可控制径向应力的大小。
For the process of the fiber taper drawing, the pre-heating time and stretching speed are carefully examined for parameter optimization.
在加热拉伸过程工艺方面，本文从预加热时间和拉伸速度两个角度进行研究，对参数进行优化处理。
The destabilization condition in plastic state, the main causes of wrinkling and the pre ven tion means in the sheet drawing process of tube-shaped parts have been intro duced.
介绍了薄板拉深筒形件的塑性失稳条件，起皱的主要原因及防止措施。
The destabilization condition in plastic state, the main causes of wrinkling and the pre ven tion means in the sheet drawing process of tube-shaped parts have been intro duced.
介绍了薄板拉深筒形件的塑性失稳条件，起皱的主要原因及防止措施。
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