Flat sheet dies are heated with electrical resistance cartridge heaters placed in holes drilled in areas carefully selected so as to avoid localized hot spots which would affect melt flow uniformity.
平板模具受筒式电热管加热,这种电热管安装在精选的钻孔中,以避免所在的热熔点影响熔体流动的均匀性。
Combined practice, the technology difficulties of sheet forgings with inner hole were introduced, for which the optimized design of dies for punching and cutting for top-plate forging was put forward.
结合实际,介绍了带内孔的薄板锻件的工艺难点,并就此工艺难点的解决介绍了锻件切边、冲孔模具的优化设计。
A new finite element model based on U-bending benchmark of NUMISHEET '93 has been proposed to predict springback with contact evolution between the sheet and dies.
基于NUMISHEET93的U形弯曲标准考题,考虑板材与模具间的接触演变过程,建立了一个新的有限元模型来预测回弹。
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