该仪器适合滚动轴承各类零件曲面轮廓形貌测量。
The instrument is suitable to measure curved surface profile appearance of various parts of the rolling bearings.
测量三维曲面轮廓的传统方法是采用表面轮廓仪式或三坐标机。
Traditionally, the surface contour test instrument or three-coordinate measuring machine is used in 3-d curved surface measuring system.
曲面轮廓度误差评价和多边域逼近均要求对理论曲面进行数字化自适应采样。
Adaptive sampling algorithm of surface play an important role in evaluation of profile deviation and surface triangular approximation.
本文以蜗杆、蜗轮及分度凸轮等具有空间曲面轮廓的蜗杆类零件为研究对象，探讨了该类零件的实体建模问题。
This dissertation focuses on the solid modeling of the Worm-Type Parts, such as the worm, worm wheel, indexing CAM, and so on, which has spacial surface.
她大胆进入第三维空间，绘制出曲面表示植物的轮廓。
She ventured into the third dimension to produce graphs that map the contours of plants.
利用这一规律和作图方法，可以解决任意位置的非退变二阶曲面的投影轮廓线的作图问题。
By using the role and the drafting methods, projective contour line of a quadric at random position can be drawn.
建立了环面凸轮轮廓曲面的解析方程，同时给出了压力角计算式，为此种凸轮的设计提供了一种简单有效的方法。
This paper establishes the contour surface equation of a torus CAM and presents a pressure Angle formula, it provides a simple and efficient method for designing this kind of cams.
用球面坐标建立了圆柱滚子球面凸轮的轮廓曲面解析方程，为此种凸轮的设计计算和数控加工提供了理论依据。
This paper establishes a contour surface equation of the spherical surface cam with a cylindrical roller, Which provides theoretical basis for the design and NC processing of the cam.
该方法通过二次曲面求管线表面轮廓方程进而求得管线的型值点集。
With this method, shape points were calculated by surface outline equation got from quadratic surface.
介绍了一种可提高非球曲面超精密加工机床的轮廓跟踪精度的误差补偿控制方法。
An error compensation control method which can improve contour tracing accuracy of aspherical surface ultraprecise machine is introduced.
本文提出了一种新颖的轮廓曲面动态、实时、非接触光学测量方法。
A new optical measurement in dynamic, real-time and non-contact for the contour curved surfaces is presented.
为使测量机完成空间旋转曲面及3D轮廓面的测量，提出等分度测量法及等距测量法。
To complete the surface tests of 3D profile with CMM, based on tip compensation, the equiangular graduated measurement and equidistance graduated measurement are suggested.
在高精度凸轮的设计过程中，需要实现凸轮实际轮廓曲面的精确设计。
For the purpose of precision CAM design, it is critical to speculate the actual CAM surface.
作者将廓面分析建立在共轭曲面理论基础上，提出凸轮廓面自动分析的离散解析原理。
So, the discrete analysis principle of conjugating surfaces to automatically analyze spatial cam surfaces is proposed in this thesis.
曲面内腔类零件的反求有别于轮廓外形的反求，主要体现在数据采集的方法，点云的处理，特征点的提取以及曲线的拟合。
The reverse of lumen part is different from outline, such as collect data method, treat with point, pick up feature point and curve fitting.
传统的基于轮廓线三维重建方法中，直接采用由序列轮廓线生成的平面三角片拟合曲面，重建的效果和表达的信息均有限。
In traditional method, flat triangles produced by listed contour data are used directly to fit the surface in which the reconstructed effect and the expressive information are limited.
轮廓对应问题的解决是基于轮廓数据曲面重构的关键工作，是保证重建网格模型拓扑关系正确性的基础。
The solution to the correspondence problem is important for reconstruction of surface from contours, especially for validity of topology of the reconstructed triangular mesh.
详细研究了测量系统各组成部分的特性和系统的实现方法，完成了已知自由曲面的测量和轮廓度误差评定，实现了未知自由曲面的测量和数学模型的建立。
The design method of the system and the characteristics of its components are studied in detail. By using this system, a known free-form surface can be measured and its profile error can be assessed.
复杂曲面的面轮廓度是一个应用广泛而又难于测量和评定的问题。
Profile error of complex surface was common and difficult to be measured and evaluated.
三维轮廓测量技术是实现反求工程的重要手段，复杂曲面建模技术是反求工程研究的重点内容。
The 3D profile measuring technology is an important approach, and composite surface modeling is the main content for researching in reverse engineering.
在重建过程中，本文很好地解决了轮廓线定位、样条化光顺、曲面分型等难题，保证了三维模型的精确度。
During rebuilding of femur model, the theme has solved well some problems: orientation of contours, spline approximate, fractal of curved surface as to guarantee accuracy of model.
提取文字、图形的轮廓，将它们投影到曲面上矢量化，得到曲线多边形。
Contours of letters and images were extracted and projected into a curved surface, and curvilinear polygons were acquired by vectorization.
解决了这三个问题就可以得到基于轮廓数据的三角网格模型，它是原始轮廓对应的曲面的分片逼近表示。
The result after solution of the correspondence, branching and tiling problems is a triangular mesh that is a piecewise planar approximation of a surface consistent with the contours.
走刀方向对数控加工的效率有重要影响，尤其对于多曲面拼接自由曲面不规则轮廓区域的数控加工。
Cutting direction is an important factor for the efficiency of nc machining, esp. for that of irregular contour of free surfaces which are composed of multi-surfaces.
本文建立了用最小二乘法评定复杂曲面面轮廓度误差的通用数学模型。
In this paper, a general mathematic model of profile error of complex surfaces is proposed with the least squares evaluation.
传统的方法直接采用由序列轮廓线生成的三角片来拟合曲面，重建的效果和表达的信息均有限。
Flat triangles produced by listed contour data are used directly to fit the surface in traditional method, in which the reconstructed effect and the conveyed information are finite.
连续五轴加工利用一参考曲面、或两个具有相同数目点的轮廓、或一轮廓一点。
Continuous 5 axis machining USES either a reference surface, or two contours (which must have the same number of points) or a contour and a point.
本文提出了正交投影下卷积曲面和曲线对应的概念和相关定理，为二维的图像轮廓和三维人体模型之间的架起一道桥梁；
Second we present the convolution surface and curve correspondence theorem under orthogonal projection, which provide a bridge between 2D image contour and 3D human model.
这个问题可以分为四个子问题，即轮廓对应问题、分叉问题、拼接问题和曲面拟合问题。
The problem can be decomposed into four sub-problems, the correspondence problem, the branching problem, the tiling problem and the surface fitting problem.
其主要步骤有：1。定义叶片轮廓曲面的中心曲线。
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