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shape error中文是什么意思

  • 形状误差

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  • 例句与用法
  • Broe gauges are used to measure internal hole dimensios and shape errors of different diameter and depth by comparative method
    内径百分表适用于比较法测量不同直径和深度和内孔尺寸及误差。
  • Abstract : with differential calculus and principles of precision analysis a mathematics formula on spring being out of shape error and relative factors error is derived , and given a simple method of dynamometric spring precision design
    文摘:应用全微分方法及精度分析原理,推导出弹簧变形误差与各相关因素误差之间的数学表达式,提供了一种测力弹簧精度设计的简便方法。
  • The optimization of fiber placement paths for composite around - parts is studied , and a triangle algorithm is presented which is easy to implement and can be used for the path generation of free form surface - parts . tow width control and shaping error control are also studied
    4 .提出了用于封闭壳体构件的纤维铺放轨迹规划的三角形法,具有通用性强、计算简便的特点;并讨论了纤维铺放的成形精度与丝宽控制方法。
  • A mathematical model in the grinding technology of explosion - proof surface is worked out to find out vibration characteristics , amplitude and phase , and educe the relation curve between shape error and technical parameter
    进而讨论箱体零件加工工艺过程误差转换模型、形状精度特征、传递图、描述方程、误差转换结构图;提出防爆面磨削工艺系统的数学模型;求解出振动特性、幅值和相位,得出了形状误差与工艺参数的关系曲线。
  • This paper introduces the shape error concealment on video object code , then introduces some new typical shape error concealment algorithms and analyses the general features and applicability of these algorithms . and the conclusion is given out
    本文对基于视频对象编码的形状差错掩盖技术进行了详细描述,在此基础之上,介绍了典型的形状差错掩盖方法,并对这些方法的特点与适用环境作了分析,最后对形状差错掩盖方法进行了总结。
  • It is one of the pivotal factors to measure and control the geometrical size , shape error and positional error in order to ensure the device quality . so the online measurement of their geometrical size and shape error and positional error is the problem to be solved
    大型工件几何尺寸、形位误差的测量和控制,是保证整套设备质量的关键因素之一,因而,大型零部件及组装件的整体几何参数和形位误差的测量、零部件加工的在线测量,就成为急需解决的问题之一。
  • A scale coefficient method based on the fem has been proposed to predict the optimum blank in sheet metal forming in this thesis . in order to improve the precision of results and reduce iterate time , at adjusting the original curve , this method is n ' t giving the same adjustment , but giving the corresponding adjustment based on calculation of scale coefficient and shape error of each node to the curve
    本文在有限元仿真的基础上提出了一种新的板料优化的方法? ?比例因子法,该方法在调整初始轮廓线时,不是给各个节点一个相同的调整量,而是依各个节点的比例因子及形状误差值计算出相应的调整量,这样调整的针对性强,计算结果更精确,需要迭代的时间也更少。
  • The dimensional globoidal indexing cam mechanism , as a result of the steady movement , accurate , the transmission ceaseless and is suitable for high speed indexing and precise indexing . now it is the most ideal high speed precision indexing mechanism in the world , and it is being widely applied on each kind of automaton and the production line , this mechanisms prospect of application is broad , arouses the people enormous interest . but the examination of the globoidal indexing cam mechanism is a quite weak link , the manufacturers don ’ t give the examination because of the difficulty of the geometry shape error examination of the cam contour
    空间弧面分度凸轮机构,由于运动平稳、准确、传动无间隙而适用于高速分度和精密分度,是当今世界上最理想的高速精密分度机构,正被广泛应用于各种自动机和生产线上,该机构应用前景广阔,引起人们极大的兴趣,而弧面分度凸轮机构的检测是一个比较薄弱的环节,一般生产厂家由于凸轮轮廓几何形状误差检测困难而不予检测,因此本试验台的研制具有极其重要的意义。
  • In this thesis it was proposed to simulate the drawing , trimming , flanging by using error - adjustment method . the initial trimming lines would be adjusted and optimized in the computer by adjusting error . if the shape error between the flanging boundary line and the target is larger than prescribed , the redundant area is subtracted from the initial blank by some amount of volume along the deformation path , and the insufficient volumes are added to the initial blank by the same amount
    本文提出,利用基于变形路径的误差修正法( error - adjustment ) ,结合cae技术将对初始修边线的调试过程在计算机中进行模拟(包括拉延、修边、翻边、整形等)计算,通过控制翻边后零件成型边界与实际目标轮廓之间的尺寸误差来优化修边线,如果初始切边、翻边后的轮廓与目标体的边界存在较大偏差,则初始切边轮廓中多余部分单元将沿其变形路径以相同体积量被切除,不足部分则沿其变形路径以相同体积进行补偿。
  • The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm . large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software . then these data are plotted into curves and comparison analysis will be carried out , finally the measures and schemes for reducing gravity deformation are proposed
    因此,本论文重点对大口径光学系统在高精度光学镜头装校中,因重力变形进行了详细的分析研究,特别针对193nm光刻物镜系统所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的结构尺寸200mm ~ 300mm光学零件进行了重力变形分析,使用algor有限元分析软件获得了大量的面形误差分析数据,然后将这些数据绘成曲线进行对比分析,最后提出了减小重力变形的措施与方案,并进行了实验,验证了分析结果是正确的,减小重力变形的方法是有效的。
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Last modified time:Fri, 15 Aug 2025 00:29:56 GMT

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