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bending of sheet metal
相关语句
  板材弯曲
     Among the four basic elements required by intelligent bending of sheet metal, the establishment of the identification model of parameters and the prediction model of optimal technological parameter is dependent upon the level of understanding the forming law for bending.
     在板材弯曲智能化控制所要求的四个基本要素中,参数识别模型和最优工艺参数预测模型的建立是基于对弯曲成形规律认识的基础上的。
短句来源
  “bending of sheet metal”译为未确定词的双语例句
     Study on Three-Dimensional Laser Bending of Sheet Metal
     金属板材三维激光弯曲成形的研究
短句来源
     A Study on Three - dimensional Laser Bending of Sheet Metal
     金属板材的三维激光弯曲成形的研究
短句来源
     A study on laser bending of sheet metal
     板材激光加热弯曲成型的研究
短句来源
     Analysis of One-Shot Stretch Bending of Sheet Metal and Calculation of Spring Back
     板材一次拉弯成形分析与回弹计算
短句来源
     Research on Intelligent Control Technologies for V Shaped Free Bending of Sheet Metal
     板材V型自由弯曲智能化控制技术的研究
短句来源
更多       
  相似匹配句对
     Algorithm for Sheet-Metal Bending and Springback
     一种板料弯曲及回弹计算的新方法
短句来源
     Technology and application of bending sheet metal by laser
     板金属的激光弯曲技术及其应用
短句来源
     Metal Sheet Slotting & Bending Technique and Equipment
     金属薄板开槽弯曲成形技术与设备
短句来源
     FEM Simulation on Laser Bending of Sheet Metal
     板料激光弯曲成形数值模拟
短句来源
     A study on laser bending of sheet metal
     板材激光加热弯曲成型的研究
短句来源
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  bending of sheet metal
An incremental elastic-plastic finite element computer code, based on an updated Lagrangian formulation, was developed to simulate the V-die bending of sheet metal.
      
For the bending of sheet metal parts, the accuracy aspects must be addressed in sequencing and positioning procedures.
      


Based on the thermo-mechanical coupling models, the FEM simulation on laser bending of sheet metal has been conducted with the consideration of temperature dependency . The main results show that: (1) The me chanism of laser bending is very different from that in bending with hard tools. (2) The bending angle is varied along scanning direction, and there is a deform ation wave in the process. (3) The effects of sheet length on bending can be neg lected while...

Based on the thermo-mechanical coupling models, the FEM simulation on laser bending of sheet metal has been conducted with the consideration of temperature dependency . The main results show that: (1) The me chanism of laser bending is very different from that in bending with hard tools. (2) The bending angle is varied along scanning direction, and there is a deform ation wave in the process. (3) The effects of sheet length on bending can be neg lected while the length is more than 10 times of thickness. (4) The sheet width has much higher influence on the bending process. Numerical results agree well w ith experimental results in reference.

考虑物性参数与温度的相关性 ,将三维瞬态温度场与热弹塑性形变场耦合 ,对激光诱发的热应力弯板过程进行了动力显式有限元模拟并定量地揭示了其成形机理 .分析发现 :激光弯曲成形时板料的应力状态与机械折弯时有根本不同 ;当激光束沿直线单向扫描时 ,板料两端的弯曲角度不同 ;板料的长度大于 1 0倍板厚或 5倍光斑尺寸时 ,板长对弯曲角度的影响不再显著 ;沿扫描方向 ,距离光斑中心 3倍光斑尺寸以外的区域 ,仍然对弯曲变形量产生影响 .数值模拟所得的位移场的形态与实验吻合

An analytical model to describe the temperature field was established for laser bending of sheet metal.In order to analyze the forming rule of the change to different parameters,a simulatiion software was programmed by the finite element analysis software Ansys,and the experiments were done.The results show that the bending angles change with the thickness of sheet metal,the width of sheet metal,the laser power and the focus diameter or scanning speed if others factors remain...

An analytical model to describe the temperature field was established for laser bending of sheet metal.In order to analyze the forming rule of the change to different parameters,a simulatiion software was programmed by the finite element analysis software Ansys,and the experiments were done.The results show that the bending angles change with the thickness of sheet metal,the width of sheet metal,the laser power and the focus diameter or scanning speed if others factors remain unchanged.In addition sheet metal will bend deviating from the laser beam if there is a big thickness or a high scanning speed.

建立了板材激光加热弯曲成型的温度场模型,利用有限元分析软件Ansys编制了分析激光沿直线扫描板材的仿真软件,并进行了实验研究。研究结果表明,当其它参数不变的情况下,弯曲角度随着板厚的增加逐渐减少;随着板宽增加而增加;随着激光功率增加先增加后减少;随着光斑直径增大而减小;随着扫描速度的增加先增大后减小;板厚或激光扫描速度较大时,板材将发生背向激光束方向的弯曲。最后对板材的激光加热弯曲变形规律从理论上作了进一步的分析。

An analytical model to describe the temperature field was established for laser bending of sheet metal. In order to analyze the forming rule of the change to different parameters,a simulation software is programmed on laser scanning sheet metal along the line through the finite element analysis' software-ANSYS. The result shows that the bending angle decreases with the increasing thickness of sheet metal,increases with the increasing width of sheet metal,increases...

An analytical model to describe the temperature field was established for laser bending of sheet metal. In order to analyze the forming rule of the change to different parameters,a simulation software is programmed on laser scanning sheet metal along the line through the finite element analysis' software-ANSYS. The result shows that the bending angle decreases with the increasing thickness of sheet metal,increases with the increasing width of sheet metal,increases first and decreases afterwards with the increasing laser power,focus diameter or scanning speed if others factors remain unchanged. In addition sheet metal will bend deviating from the laser beam if there is a big thickness or a high scanning speed. Finally,the further academic analysis is carried out on the forming rule of laser bending of sheet metal.

建立了板材激光加热弯曲成型的温度场模型 ,利用有限元分析软件ANSYS编制了分析激光沿直线扫描板材的仿真软件 ,分析计算了板材在不同参数下的变形规律。计算结果表明 ,当其它参数不变的情况下 ,弯曲角度随着板厚的增加逐渐减少 ;随着板宽增加而增加 ;随着激光功率增加先增加后减少 ;随着光斑直径增大而减小 ;随着扫描速度的增加先增大后减小 ;板厚或激光扫描速度较大时板材将发生背向激光束方向的弯曲。并从理论上对板材的激光加热弯曲变形规律作了进一步的分析。

 
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