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flange region
相关语句
  凸缘
     It is shown that the formed sheet part can be divided into six regions, i.e. the flange region (region Ⅰ), the mold entry region (region Ⅱ), the contact region with bottom 1 of the mold (region Ⅲ), the contour change region of the mold (region Ⅳ), the contact region with bottom 2 of the mold (region Ⅴ), and the free forming region between Ⅱ and Ⅴ (region Ⅵ).
     变形板料划分为 6个区域 :凸缘区 (Ⅰ区 )、模腔入口圆角区 (Ⅱ区 )、与模底接触区 1(Ⅲ区 )、模底圆角过渡区 (Ⅳ区 )、与模底接触区 2 (Ⅴ区 )及Ⅱ区与Ⅴ区之间的自由变形区 (Ⅵ区 ) .
短句来源
     Variation of maximal radial stress in flange region for circle sheet drawing
     圆板拉深时凸缘最大应力变化规律的论证
短句来源
     The results show that there are five regions in the formed PP, i.e., the flange region (Ⅰ), the die entry region (Ⅱ), the clearance region (Ⅲ), the punch radius region (Ⅳ) and the punch bottom region (Ⅴ).
     研究结果表明 :拉深中复合板的聚丙烯板材分为 5个变形区 ,即凸缘区 (Ⅰ ) ,凹模圆角区 (Ⅱ ) ,凸模与凹模间隙区 (Ⅲ ) ,凸模圆角区 (Ⅳ ) ,凸模底部区 (Ⅴ ) ;
短句来源
     Through the differential expression,the variation of maximal radial stress in flange region for circle sheet drawing is discussed and compared with the method by qualitative explanation.
     文章通过微分表达形式,对拉深凸缘最大径向拉应力的变化及其影响因素进行了分析论证,并与目前通用的直接对最大径向拉应力公式作定性解释的方法作了比较。
短句来源
  法兰区域
     The simulated thickness with separation force is smaller than that with blank-holder gap because the BHF is variable in the flange region.
     采用分离力时的模拟厚度比压边间隙小是由于法兰区域的变压边力。
短句来源
  “flange region”译为未确定词的双语例句
     In the paper, the plane stress characteristic theory is adopted to calculate and analyse the stress distribution within the flange region and along the die opening during the deep drawing process of square boxes. Furthermore, with the application of the plane stress characteristic theory founded, the optimum design for the blank shapes and its loading conditions have also been researched in this paper.
     运用平面应力特征线场法计算、分析了盒形件拉深时法兰部的应力分布和沿模口的法向应力分布,并研究了该方法在合理毛料形状设计及其相应的合理加载条件设计中的应用。
短句来源
  相似匹配句对
     The Forming Technology and Die for the Flange
     盖圈的成形工艺及模具
短句来源
     FLANGE SEALING AND GASKET SELECTING
     法兰密封及垫片选型
短句来源
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  flange region
The effect of anisotropy on predicted shape is clearly shown, especially around the flange region.
      
As a result, the beam flange region of a traditionally designed moment connection is overloaded.
      


In this paper,we assume that the work-hardening characteristic is determined by the plastic work and we consider the effect of normal anisotropy r of sheet metal,the theoretical equations of the numerical solution in the flange region and die profile radius,the mathematical expressions of biaxial tension instability conditions and the equations of instability loads in the cup-drawing of sheet metal are deduced,in order to obtain the values of Limiting Drawing Coefficients.Using an electric computer the...

In this paper,we assume that the work-hardening characteristic is determined by the plastic work and we consider the effect of normal anisotropy r of sheet metal,the theoretical equations of the numerical solution in the flange region and die profile radius,the mathematical expressions of biaxial tension instability conditions and the equations of instability loads in the cup-drawing of sheet metal are deduced,in order to obtain the values of Limiting Drawing Coefficients.Using an electric computer the theoretical Values are obtained for four kinds of sheet metal (TA1-M,LY12-M,20 steel).Experimental studies show that the theoretical values of drawing loads and Limiting Drawing Coefficients are in agreement with the experimental results.

本文采用能量条件的硬化模式,考虑到钣料的厚向异性,导出了压延凸缘区和凹模圆角区数值解所需的理论方程以及压延拉伸失稳条件的数学表达式和压延拉伸失稳临界载荷计算公式,在此基础上,利用电子计算机求解了四种钣料(TA1—M、LY12—M、LF2—M、20钢)的压延载荷和极限压延系数。理论和实验结果取得了很好的一致性。

Based on Hill's yield condition and its related flow rule, the plane stress characteristics equations have been developed for the first time. By using these equations, the analysis and simulation for the deep drawing process of normal anisotropic and irregular parts have been realized. In the paper, the plane stress characteristic theory is adopted to calculate and analyse the stress distribution within the flange region and along the die opening during the deep drawing process of square boxes. Furthermore,...

Based on Hill's yield condition and its related flow rule, the plane stress characteristics equations have been developed for the first time. By using these equations, the analysis and simulation for the deep drawing process of normal anisotropic and irregular parts have been realized. In the paper, the plane stress characteristic theory is adopted to calculate and analyse the stress distribution within the flange region and along the die opening during the deep drawing process of square boxes. Furthermore, with the application of the plane stress characteristic theory founded, the optimum design for the blank shapes and its loading conditions have also been researched in this paper.

在Hill屈服准则和与之相适应的流动法则的基础上,首次建立了考虑材料厚向异性的平面应力理论特征线方程,并将此基本方程应用于具有厚向异性的不规则件拉深成形的模拟。运用平面应力特征线场法计算、分析了盒形件拉深时法兰部的应力分布和沿模口的法向应力分布,并研究了该方法在合理毛料形状设计及其相应的合理加载条件设计中的应用。

To deal with the problems in present stamping processes of some complicated sheet metal parts and to satisfy the need for future development of sheet metal forming,an idea to optimize the state of sheet metal forming is proposed, and a new process measure is designed in this paper. The measure can efficiently decrease metal flow resistance in the flange region, where the flow resistance is of maximum, and can not increase the trend of wrinkling, then optimize the state of sheet metal forming.The availability...

To deal with the problems in present stamping processes of some complicated sheet metal parts and to satisfy the need for future development of sheet metal forming,an idea to optimize the state of sheet metal forming is proposed, and a new process measure is designed in this paper. The measure can efficiently decrease metal flow resistance in the flange region, where the flow resistance is of maximum, and can not increase the trend of wrinkling, then optimize the state of sheet metal forming.The availability of the measure is verified theoretically by finite element simulation,and its mechanism is analysed .

为了解决一些形状复杂的薄板零件在实际生产中存在的问题 ,提出了优化板料成形状态的思想 ,介绍了一种既能有效地减小薄板成形时法兰面上流动阻力极大区域内的流动阻力 ,又不会增加起皱趋势 ,进而优化板料成形状态的新工艺措施。对这一措施进行了较为精确的有限元数值模拟和机理分析。

 
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