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.
结果表明，PFWD可用于路基回弹模量的快速检测和评价。
The result shows it is feasible to measure and evaluate subgrade resilience modulus with PFWD.
新指标以相同的参数衡量2 -D弯曲件和3- D复杂冲压件的回弹水平，做到了评价指标相对于不同评价对象的一致性。
The new criterion, being of good uniformity, can be used for evaluation either 2 D bending parts or 3 D complex stamping parts.
本文通过对不同土基回弹模量测试方法的研究，初步评价了其优缺点、适用范围及改进措施。
This paper researches the different testing methods of soil resilient modulus, and primarily evaluates their merits and shortcomings, applicable area and mend measure.
还评价了其它技术性能，如回弹性和压缩永久变形，发现接枝硫化胶优于添加3 - 5份油增塑的NR硫化胶。
Other technical properties such as resilience and compression set have also been evaluated and are found to be better than 3-5 PHR oil plasticized NR vulcanizates.
以U形板料为研究对象，综合考察评价了多个工艺参数对U形板料冲压回弹量的影响。
The influence of process parameters on springback of sheet metal is studied comprehensively by using U-shape sheet metal as the test object.
以U形板料为研究对象，综合考察评价了多个工艺参数对U形板料冲压回弹量的影响。
The influence of process parameters on springback of sheet metal is studied comprehensively by using U-shape sheet metal as the test object.
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