Then experiments on springback in concave and convex edge flanging are carried out, significance of factors and their interactions are studied with statistics approach.
然后开展了凸、凹弧翻边的回弹试验，通过对试验数据的统计分析，得出了各因素及交互作用对回弹量的影响大小。
The convex platform at the front edge of the base-plate not only enhances the strength of the base-plate, but avoids clamping stagnation in the process of feeding paper, which is reliable.
底板前缘的凸台既加强了底板的强度，且在送纸时不会产生卡滞现象，使用可靠。
A convex rib is arranged on the edge of the clamp groove. The opening end of the main clamping plate is provided with an inclined part.
主夹板的开口端设置有倾斜部，并和副夹板的端口处设置有膨胀导向部。
The main knife-edge area is a convex strip-shaped cutting belt, and is used to cut into sheets and threads;
主刀口区是呈凸弧狭条形切割带，用于切片切丝；
The main knife-edge area is a convex strip-shaped cutting belt, and is used to cut into sheets and threads;
主刀口区是呈凸弧狭条形切割带，用于切片切丝；
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