利用激光狭缝扫描原理和光电传感技术，提出了一种用于测量大型回转体类零件圆度误差的激光扫描非接触测量方法和测量系统。
A laser scanning non contact measuring method and a measuring system for the roundness errors of large sized rotating parts are presented.
主轴径向回转误差是影响机床加工精度和圆度等仪器测量精度的重要因素。
Radial rotation error of the spindle is an important factor affecting the precision of machining and instrumental measurement.
本文主要分析采用数字式测量时，标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。
An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.
提出了实时测量机床主轴回转误差的原理和方法，建立了工件圆度及圆柱度在线测量及补偿控制系统。
The in-process measurement principle for the spindle rotation error is presented and the roundness and cylindricity on-line measurement and compensatory control system is developed.
因为回转体在特殊情况下投影为圆，此类问题就转化为求圆的半径、圆心及切线了。
On special conditions, their projections are circular, these problems turn into the solutions of the circle radius center and tangent.
它可测量机床的动平衡，也可测量机床主轴的回转精度、工件圆度等。
It can be used for measuring dynamic balance and spindle rotating accuracy of machine tools, and cylindricity of workpieces.
这种方法利用频域测量矩阵直接给出了圆度形状误差和回转误差的最小二乘解或最小均方误差解。
The least square solution and minimum mean square error(MMSE) solution for roundness error and spindle error was derived by measurement matrix in frequency-domain.
这些赛道一般都是设成能滑出有节奏的圆型的回转，这正是你刚进入竞技滑雪所需要的环境。
These courses are generally set to have rhythmical and rounder-shaped turns. This is just the kind of turning environment you want when getting started in racing.
本文针对不同精度要求，不同形状的盘形非圆曲线回转凸轮论述其加工方法。
This article demonstrates the manufacture technique for different precision demand or different sharp non-circle curve cam.
为进行斜齿锥齿轮副的齿面接触分析，并直观显示齿面接触区，利用圆向量函数和球向量函数的矢量回转和坐标变换方法，建立了斜齿锥齿轮齿面接触分析的数学模型；
To analyze and display the contact of skew bevel involute gears, a mathematic model was established by vector gyration and coordinate transform of circle vector functions and sphere vector functions.
分析工件以外圆柱面在V形块上定位的特点，明晰工件回转轴线和外圆母线之间的关系。
This paper analyzes emphatically the feature that the workpiece is located on the V-shape block by outside column surface, and discusses relation of rotor line between outer circle generatrix.
近年来，一些非圆截面空心零件采用旋压技术进行加工，突破了传统旋压技术的范畴——旋压只能加工轴对称回转体的空心零件。
In recent years, some of the hollow parts with non-circular section can be produced by spinning, which breaks through the limit of spinning only producing hollow parts with circular section.
在分析回转类零件采样特点的基础上，给出了圆度、圆柱度、轴线直线度及同轴度等形位误差的数学模型。
The measurement and extraction of the section profile features of cylinders are the basis of the evaluation of their diameters, form & position errors and roughness.
应用线载荷积分方法，相应原理和拉氏变换，求得点圆力偶作用于粘弹性回转体的基本解。
Using the Line-loaded Integral Equations the corresponding principle and Laplace transformation, the torsion problem of the Linear viscoelastical shaft in which load "Point Ring Couple"can be solved.
应用线载荷积分方法，相应原理和拉氏变换，求得点圆力偶作用于粘弹性回转体的基本解。
Using the Line-loaded Integral Equations the corresponding principle and Laplace transformation, the torsion problem of the Linear viscoelastical shaft in which load "Point Ring Couple"can be solved.
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