Stainless steel has a greater elastic springback than mild steel.

不锈钢的弹性反冲比低碳钢要强。

The larger strength coefficient is, the larger springback Angle is.

强度系数越大，回弹角越大。

Conceptions of springback anti-couple systems and equations are introduced.

引入了回弹反耦联系统和回弹反耦联方程的概念。

In the light of the method , each section's spline curve structure part's shape after springback.

则各个截面回弹后的样条曲线构成零件回弹后的形状。

Part shape error due to springback is one of most important manufacturing defect in sheet metal stamping process.

回弹是金属板料冲压中的主要缺陷之一，它可以通过修正模具形状加以解决。

The conceptions and testing methods of the plastic deformation threshold and springback potential are introduced.

介绍了型砂塑性变形临界值、回弹势能的概念及其测试方法；

This study investigates the mechanism of both forming process and springback of the draw formed panel with double curvature.

研究了双曲扁壳覆盖件的成形机理及回弹特点，分析了双曲度拉延回弹机理。

The calculation of the springback of strips and shaped beams after their elastic-plastic bending has been solved completely.

全面地解决了板条和型材弹塑性弯曲后的回弹计算问题。

The conceptions of springback anti-coupled systems and equations of the structures of bar systems are introduced in this paper.

本文引入了杆系结构的回弹反耦联系统和回弹反耦联方程的概念。

The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes.

变压边力策略是在冲压件成型中控制回弹的一种有效措施。

Springback is one of the important factors that influence the forming quality of blanks. Many parameters influence the springback.

回弹一直是影响型材拉弯成形质量的重要因素，影响拉弯回弹的因素很多。

There exists the elastic deformation during the process of sheet bending, and it will influence the springback of sheet after unloading.

板料在弯曲过程中，由于存在弹性变形，卸载后，弹性变形必然影响到板料的回弹。

Springback is an inevitable and universal phenomenon in sheet metal forming, which may affect the tolerance and final shape of stampings.

回弹是板材成形过程中不可避免的一个普遍现象，直接影响到冲压件的尺寸精度和零件最终形状。

Lastly, a research for springback reason and a compensation for tool surface of underbody cross member panel were performed using JSTAMP.

最后，研究了回弹的原因和介绍了使用JSTAMP对车身底座横梁板执行回弹补偿的过程。

Meanwhile, the springback potential energy principle is applied to calculate the springback deformation of a pure bending of curved beam.

同时，应用该回弹势能原理于纯弯曲梁的回弹变形计算。

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。

Secondly, panel surface after springback compensation can be achieved by SGD algorithm the surface is smooth and can be used to NC machining.

然后提出型面修改的SGD算法并采用该算法能得到曲面光顺，可以直接用于NC加工的回弹补偿型面。

In this paper, the relation of springback simulation and mesh size is studied with DYNAFORM software, and the relative results are worked out.

本文就DY NAFORM软件中单元尺寸与回弹模拟计算的关系进行了研究，得出了相应的结论。

By analyzing the simulation results, how the hardening parameter, bend radius parameter and thickness parameter influence springback is studied.

通过对模拟结果的分析，研究了硬化指数、弯曲半径、材料厚度等因素对回弹的影响规律。

Traditional theory has not considered the influence of the neutral layer inside displacement on bending springback when analyzing the springback.

传统理论在分析回弹时，没有考虑应变中性层内移对回弹的影响。

The accuracy of mechanical properties of sheet described by material model parameters has great influence on the accuracy prediction of springback.

材料模型参数对板料力学性能的描述精度对回弹预测结果有较大的影响。

A finite element model based U-bending benchmark of NUMISHEET '93 has been used 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，建立了一个有限元模型来预测回弹。

And the springback Angle of thick sheet was obviously larger than that of thin sheet, on the other hand, it was not influenced clearly by the sheet width.

厚板弯曲的回弹角明显小于薄板弯曲的回弹角，而板材的宽度对其回弹角则无明显影响。

Springback is one of the main problems which influences the quality of bending and should be considered at the stage of designing the bending die and process.

回弹是影响弯曲件成形质量的主要因素之一，是弯曲模具和弯曲工艺设计要考虑的关键问题之一。

Based on the tube bending FEM simulation model, the tube bending springback rule under the different craft parameters and the material parameters was studied.

基于管弯曲回弹有限元模拟模型研究了弯曲工艺参数和材料参数对管弯曲回弹的影响规律。

Since the part is thin, multi-direction bending and springback is large, it is very difficult to decide the springback law using the usual compensation method.

由于零件厚度薄、多向弯曲、回弹量大且相互影响，用常规回弹补偿法很难确定回弹规律。

Analyzed factors affected springback in beam bending forming, elaborated how to springback compensation in die design process, introduced the die working process.

分析了横梁压弯成形过程中影响回弹的因素，阐述了在实际模具设计过程中如何进行回弹的补偿，介绍了模具的工作过程。

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。

Then, Lagrange arithmetic operator is applied in variation principle of finite deformation resilience to establish a generalized variation principle of springback.

然后应用拉氏乘子法于有限变形回弹变分原理建立有限变形广义回弹变分原理。

The experiments show that the system can completion the amendment of the mold of the shape effectively and realized the springback compensation to the complex stamping.

实验证明，利用该模型可以有效地完成对模具形状修正，实现了复杂冲压件的回弹补偿。