The radius of the punch and die cutting edges is laid out to produce the desired circular shape without nicking into the circle as the work proceeds.
在工作过程中，冲头与凹模切口的半径定位，确保形成所需的圆形，而不至于在圆边产生“缺口”。
2
The differences of stress state between extrusion-flanging and traditional flanging, and the influences of curvature radius of burring punch on flange height were analyzed.
分析了挤压翻边与传统翻边应力状态的不同之处，以及翻边凸模的冲头曲率半径对翻边效果的影响。
3
The springback Angle increases with the increase of the punch round radius and clearances between the punch and the die while decreases...