本文从弹性变形能概念出发，提出一种新的回弹评价指标。
Based on the concept of elastic deformation energy, a new springback evaluation criterion is presented in this paper.
模具补偿是矫正复杂曲面冲压件回弹的有效方法，但它需要正确的回弹评价指导修模。
Mould compensation is an effective way to rectify the springback of complex surface sheet metal stamping, it needed an accurate springback evaluation to direct modifying die surfaces.
实验结果表明，此方法可快速确定回弹评价参考点的所在范围，并能得出较准确的回弹评价结果。
Experimental result shows that this method can determine the range of springback evaluate reference points rapidly and get a comparatively accurate result of springback evaluation.
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