直角坐标采样时单一基准径向圆跳动误差的最小二乘评定法与仿真分析

用传统的测量方法不能得到单一基准径向圆跳动误差的准确值·根据单一基准径向圆跳动误差的定义,建立了在直角坐标采样时该项误差的最小二乘评定法数学模型,并用计算机进行仿真分析·结果表明,所建立的数学模型具有编程简单,计算精度较高等特点·所建立的数学模型为研制形位误差虚拟测量系统提供了理论基础·

The Least Square Evaluation of Radial Circular Run-Out Error and Imitation Analysis in the Rectangular Coordinates

The accurate value of radial circular run out error with respect to asingle datum axis can not be obtained in the traditional measuring method. According to the definition of the radial circular run out error, a mathematical model was developed to evaluate radial circular run out error by way of least square method in the rectangular coordinates. The model can be used to calculate the radial circular run out error with proper accuracy. The model is easy to program. The model lays a theoritical foundation for developing a virtual instrument and system to measure form and position error.