2) profile error
廓形误差
1.
The initial values of adjustment parameters are obtained by using iteration algorithm, the cutter profile is simulated with computer, and the profile error is corrected by iterative process, then the optimum values of adjustment parameters can be achieved.
研究了加工螺旋槽用盘形成形铣刀调整参数的计算机算法,利用迭代算法得出调整参数的初值,利用计算机模拟刀具廓形,对廓形误差进行迭代修正,从而可获得调整参数的最优值。
2.
The measures for reducing the profile error are proposed and the calculating example is also presented.
建立了正前角可转位成形铣刀廓形误差计算的数学模型 ,提出了减少廓形误差的措施 ,并给出了计算实
3.
The equation of designing cam profile is brought forward and the functional relation between cam profile error and cam follower parameter error is deduced in this article.
提出了设计凸轮轮廓的方程式,推导出凸轮廓形误差与从动件各运动参数误差之间的函数关系式,指出了合理选用凸轮机构参数可适当提高从动件的运动精度,为今后合理确定凸轮廓形精度提供了新的方法和依据。
3) geometric error evaluation
形位误差评定
1.
The theory and method of the geometric error evaluation get extensive attention when GB19 58-80 was enacted.
与长度测量、角度测量及其误差评定相比,形位误差测量和评定有较高的难度,我国开始着手研究的时间较短,但它已经对我国的工业生产和科学技术进步起到了很大的促进作用,关于形位误差评定的理论方法、数学模型及解算方法的研究,已达到了国际先进水平。
4) form error evaluation
形状误差评定
1.
According to the characteristics of form error evaluation,an improved genetic algorithm (IGA) based on real-coded is proposed to compute the minimum zone solution of form error such as flatness,cir- cularity and sphericity.
本文针对形状误差评定的特点,提出了基于实数编码的改进遗传算法同时用于计算平面度、圆度、球度等形状误差的最小区域解。
5) Error evaluation
误差评定
1.
After signal processing and error evaluation ,the horizontal and vertical straightness errors as well as the straightness error of bore can be measured simultaneously.
为了实现炮管直线度的高精度测量,提出基于激光准直技术和光电探测技术的测量方法,解决了光学系统设计及传感器的精密定位问题,给出了软硬件解决方案,实现了水平和竖直方向直线度的同时测量,同时显示,经直线度误差评定,得出炮管直线度的误差值;经实测,该设备的分辨率可达0。
2.
This paper analyses the theory and application of cylindricity error evaluation, establishes a kind of programming model for evaluation of cylindricity error, and discusses the minimum conditions criterion.
对圆柱度误差评定理论及应用进行了研究,建立了圆柱度误差评定的规划模型,探讨了误差评定的最小条件判据,提出直接求解规划模型的修正单纯形法,并给出了求解的步骤。
3.
Solutions to heart-shaped loop including the solution to minimal circumscribed heart-shaped loop, maximal inscribed heart-shaped loop and minimal zone heart-shaped loop and the error evaluations of non-perimeters were suggested in detail.
详细介绍了心形线边界的求法 (包括最小外接心形线求法、最大内切心形线求法和最小区域心形线求法等 3种方法 )以及进行不圆度误差评定的方法。
6) error assessment
误差评定
1.
The paper gives the mathematical model of linear error assessment and presents the method to calculate in excel.
本文给出了直线度误差评定的数学模型,提出了用Excel来计算直线度误差,用实例进行了说明。
2.
The development of the error assessment software of helical surfaces is a system engineering, which developed on the relationship among measuring point distribution, measuring point amount and the error, helical surface fitting, models matching, error assessment, software function planning, software tools selection, software compiling and etc.
螺旋曲面误差评定软件研制是一项系统工程,涉及到测点布置方法、测点数量与误差关系、螺旋曲面拟合、重构模型和标准模型匹配、误差评定、软件功能规划、软件工具选择、软件编制等内容。
补充资料:廓廓
1.安定貌。 2.辽阔貌。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条