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Bead Optimization for Reducing Springback of an LCD Bottom Chassis

机译:磁珠优化,以减少LCD底盘的回弹

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An LCD bottom chassis (LCD B/C) is a sheet metal for preventing the twisting of an LCD TV.Because the LCD B/C is produced by sheet metal forming process, springback occurs. Therefore, beads are inserted on the LCD B/C for reducing springback.In this study, the lengths and number of beads on the LCD B/C were determined by using optimization technique.Springback as an objective function was defined by the difference between the maximum and the minimum displacements in LCD B/C. These displacements were obtained using PAM-STAMP.Six control points along the edges of the LCD B/C were chosen as design variables. This helps reducing the number of design variables. The design process was performed using PIAnO, one of commercial PIDO tools. The springback of the optimum bead model was found to decrease by 10.1% compared to that of the initial bead model.
机译:LCD底架(LCD B / C)是用于防止LCD TV扭曲的金属薄板,因为LCD B / C是通过金属薄板成型工艺生产的,所以会发生回弹。因此,为了减少回弹,可以在LCD B / C上插入小珠。在本研究中,通过使用优化技术确定LCD B / C上的小珠的长度和数量。 LCD B / C中的最大和最小位移。这些位移是使用PAM-STAMP获得的。沿着LCD B / C边缘的六个控制点被选为设计变量。这有助于减少设计变量的数量。设计过程是使用PIAnO(一种商业PIDO工具)执行的。发现最佳珠子模型的回弹力比初始珠子模型的回弹力降低了10.1%。

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