The influence of the equivalent drawbead model to springback prediction is studied based on the drawbead test, the simulation of drawbead test and the simulation of deep drawing process. 结合拉延筋试验、拉延筋试验的仿真以及拉深的仿真,研究了等效拉延筋模型对回弹预测结果的影响。
Rigid Element Analysis for Stamping Springback Simulation; Study on extrusion and exhaust process of monopropellant pulse thruster 冲压成形回弹仿真的刚性单元法研究单组元脉冲推力器挤压和排气过程分析
Experimental research of the bending springback property on advanced high strength steel 先进高强度钢板弯曲类回弹特性的试验研究
Effect of Material Properties on Springback of High Strength Steel Parts 高强钢材料性能对车身零件冲压回弹的影响
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。
Research on knowledge discovery on springback simulation results 冲压回弹仿真结果的工艺知识发现技术研究
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 effect of thickness on the bending springback of multi-curvature parts 多曲率件厚度对弯曲回弹的影响研究
In this paper, previous work about the theoretical formula of bending springback has been reviewed and summarized, and the difference between the theoretical and the practical results analyzed. 本文对前人的工作进行了回顾和总结,分析了滚弯回弹理论公式产生误差的原因。
Plastic-formation analysis and springback calculating of thin-wall tube pure-bending 薄壁管纯弯曲塑性成形分析及回弹计算
Simulation research on stamping springback of aluminum alloy sheet based on orthogonal experimental design 基于正交实验设计的铝合金板料冲压回弹仿真研究
Application of Orthogonal Design in Numerical Simulation of U-shape Parts Springback 正交试验法在U形件回弹数值模拟中的应用
One springback compensation method for car stamping die surface is narrated. 介绍了汽车冲压模具型面反弹补偿的一种方法。
Current Study on Simulation and Compensation of Springback in Sheet Metal Forming Process 板料成形回弹模拟及补偿技术研究现状
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。
Research on Die Surface Designing Method Compensating Springback in Sheet Metal Forming 板材成形回弹补偿与模具型面设计方法的研究
The plastic deformation on ribs caused by punch push down and skin springback. 筋条的塑性变形既有凸模下压导致的塑性变形,又有蒙皮回弹导致的塑性变形;
At last, the springback of member bar and straight beam is calculated by applying the method of springback finite-element. 最后应用回弹有限元法,对杆件和直梁的回弹进行计算。
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。
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。
Numerical simulation and testing research of U-bending springback for super steel sheet 超级钢板U型弯曲回弹的数值模拟和实验研究
The prediction status and control of springback in the sheet stamping forming process is summarized and its future study direction is pointed out. 本文总结了对板料冲压过程中回弹预测的研究现状以及其控制方面的发展,指出了今后的研究方向。
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。
The Research on Calculation of Springback and Shape Adjusting for Adjustable Plate Forming Device 基于活络式板材成形装置板材回弹量及压点调形计算的研究
The quality of springback prediction for a sheet metal forming process depends on a precise material model. 冲压过程中回弹模拟的精度依赖于准确的材料模型。
Theoretical calculation method and its application of arbitrary section springback 任意截面线回弹理论计算方法及应用
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。
Finite-element method of large deflection springback for material is established on the potential energy theory and residual energy theory of large deflection springback for member bar and straight beam. 再根据杆件和直梁的大挠度回弹势能原理和余能原理建立材料的大挠度回弹有限元法。
Die-surface design method compensating springback of varied curvature bending for sheet metal 金属板料拉深回弹成因及回弹补偿研究板材非圆弧弯曲回弹补偿模具型面设计方法
Reasonable VBHF technology is an effective method to eliminate springback of bend part. 采用合理的变压边力技术,可以有效地减小回弹对弯曲件形状精度的影响。