Springback is a common phenomenon in bending process. It has been proved that stretch bending can decrease the springback effectively, which can improve the forming precision.
回弹是弯曲成形中普遍存在的现象，实践证明采用拉弯工艺可以有效地减小回弹，从而达到提高成形精度的目的。
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。
The flanging deformation mechanism and its springback reason was theoretically analyzed.
从理论上分析了翻边的变形机理及翻边回弹的原因。
The conceptions of springback anti coupled systems and equations are introduced in this paper.
本文引入了回弹反耦联系统和回弹反耦联方程的概念。
The conceptions of springback anti coupled systems and equations are introduced in this paper.
引入了回弹反耦联系统和回弹反耦联方程的概念。
So Quality Functions are presented to define wrinkle, flat area, fracture and springback tendency etc.
为此，本文提出了质量函数的概念，并对起皱、平台区、破裂及回弹等常见缺陷进行了定义。
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；
Based on the concept of elastic deformation energy, a new springback evaluation criterion is presented in this paper.
本文从弹性变形能概念出发，提出一种新的回弹评价指标。
Meanwhile, a linear regression model and a BP neural network model for predicting the springback quantity were set up.
同时，分别建立了回弹量的线性回归预测模型和BP神经网络预测模型。
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 shaping springback of plate is simulated by applying the method and we have compared simulation result with test result.
并应用此方法对板的成形回弹进行模拟计算，将计算结果与实验结果进行了比较。
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。
Shape of pre-bending was emphasized and the idea of pre-bending was brought forward in consideration of the springback compensation.
其中对预弯形状进行了重点分析，提出了考虑弹复补偿时预弯形状设计的思路。
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。
The springback Angle increases with the increase of the punch round radius and clearances between the punch and the die while decreases...
回弹角随凸模圆角半径和凸凹模间隙的增大而增大，随压边力、板料厚度、摩擦系数和材料硬化指数的增大而减小。
The stresses calculated by static implicit method are accurate, so the results of springback simulation with high precision can be achieved.
这种方法应力计算准确，因而回弹计算结果具有较高的精度。
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 material springback performance could be mastered through setting up V bending springback adjusting test model without prior calculation.
该模型的建立，旨在能够事先不需要计算就可以掌握该材料的回弹性能。
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 springback is extracted to be a basis of modification of die geometry. An iteration algorithm is given to obtain the optimum geometry of die.
把回弹量作为修改模具几何的基础，本文给出了一个获得优化模具几何的迭代算法。
The calculated end displacements are input into the FE model as boundary conditions to compute the stress, strain and springback of the workpiece.
将这些位移作为边界条件输入有限元模型中计算毛料应力、应变和回弹。
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。
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。
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