测量直线度、平行度和垂直度。
介绍一种激光测量大尺寸物体直线度的新方法。
This paper relates a new method for laser measurement of straightness of large sized objects.
为求解直线度误差，采用矢量积构造凸多边形。
The convex polygon is constructed by vector product in order to solve the straightness error.
通过几何分析，建立了加工表面的直线度公式。
The formula of straightness error of the machined surface was also founded through geometrical analysis.
配合其他附件，还可进行直线度和垂直度的测量。
Their concept also permits deviations from straightness and perpendicularity to be measured.
对40英寸长的主珩架构件允许的直线度偏差是多少？
What is the allowable deviation from straightness for a 40 foot long primary truss member?
借助于计算机，快速而准确地将直线度误差计算出来。
With the help of computer, the straightness. error can be worked out rapidly and accurately.
选用焊接技巧应保证不超出指定的直线度和圆度允差。
Welding techniques shall be selected to ensure that specified tolerances for straightness and out-of-roundness are not exceeded.
本文介绍一种长导轨直线度激光扫描快速测量的新方法。
This paper described a new method for fast detecting the straightness of long guideways using a scanning laser beam.
开发了便携式激光准直仪及直线度误差测量、评定软件。
The portable laser collimator and the straightness measuring and evaluating software are developed.
制作过程中，卷制和模压工艺相结合，并多次矫正直线度。
In the production process, rolling and compression molding are combined. And the straightness is also corrected repeatedly.
该方法可将平面内直线度的评定精度提高到一个新的水平。
The method improves the measuring precision of line error in the plane.
对工件所有精加工面进行测量，取最大值作为直线度的测量值。
Perform this measurement for all finished faces, and take the maximum as the measured value of the straightness.
采用一种测量圆柱体轴线直线度误差的新方案——两点测量法。
A new scheme is introduced for measuring cylinder linearity error-two point method.
本文首先按最小条件建立了评定空间直线度误差的非线性数学模型。
Nonlinear mathematical model for spatial straightness error evaluation is firstly established in this paper based on the minimum zone condition.
最小区域法是符合最小条件的一种直线度误差评定方法，但较难实现。
The minimum zone method meets the minimum condition for evaluating the straightness, however it is difficult to accomplish computerization.
本文介绍了作者所没计的基准旋转法求直线度误差的计算机实用程序。
In the paper, the computer utility program of calculating straightness error by the standard rotation method is introduced by the designer.
给出了用两端点法、最小二乘法对平面内的直线度进行综合评定的方法。
This paper presents the integrated evaluating method of line error in a plane by two endpoint and least square method.
该仪器可用于圆度、轴线直线度、同轴度和径向跳动误差等项目的测量。
This instrument is used for measuring roundness, axis straightness, coaxality and circular run out error of shaft parts.
在这基础上，推导出了按最小条件评定直线度的极限测量误差的计算式。
Based on this, the formulas for calculating, according to the minimum condition, the measuring error limits of straightness have been derived.
本文阐述了轴线直线度误差最小二乘评定法与最小条件评定法的数学模型。
The mathematical models of axis straightness errors by Least Square evaluation and minimum condition are discussed in this paper.
夹板模具成型，焊接工装保证，表面圆弧度、直线度误差小，熨烫质量好。
Plywood die molding, welding fixture that surface of the circular arc, straightness error is small, the ironing quality good.
用途：检测平板、平尺、机床工作台、导轨和精密工件的平面度、直线度。
Use: Test the flatness of plate, leveling ruler, machine tool working platform, guides and precision work-piece.
介绍长导轨直线度测量的新方法，在实际工作中提高工作效率和测量精度。
The article introduces a new way to measure the linearity of long rails and to increase the efficiency and accuracy.
此方法优点在于测量精度并不取决于激光束的直线度及激光器本身的稳定性。
The advantages of the method are that its accuracy is not dependent on the straightness of the laser beam and stability of the laser itself.
对角锥棱镜用于激光直线度测量时可使测量精度提高一倍的光学特性进行了分析。
The optical properties of doubling the measurement accuracy using the cube-corner retroreflector which is applied to laser straightness measurement are analyzed in theory.
在直线度、平面度公差判定的最小包容区域法中提出一个新的、快速的实施方法。
This paper proposes a novel and fast method to efficiently evaluate the flatness tolerance based on traditional minimum zone method.
实验结果表明，气中加工的直线度好、放电间隙窄、加工速度（材料去除率）高。
Experiment results showed that WEDM in gas offers advantages such as better straightness, shoter gap length and higher meterial removed rate.
实验结果表明，气中加工的直线度好、放电间隙窄、加工速度（材料去除率）高。
Experiment results showed that WEDM in gas offers advantages such as better straightness, shoter gap length and higher meterial removed rate.
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