A method for calculating the surface form error with the requirements of the minimal zone is proposed.
提出了一种满足最小区域法的曲面形状误差评定方法。
An example of evaluation of the steam turbine vane surface form error verifies the superiority of this evaluation method.
以汽轮机叶片曲面形状误差评定为例，证实了该评定方法的优越性。
On the basis of above research, the measuring error compensation method for free-form surface is proposed.
在此基础上，进一步提出了自由曲面测量误差的补偿方法。
The step error and line error of free-form surface of projecting NC machining were analyzed.
分析了自由曲面三坐标投影法数控加工的步长误差和行距误差。
Through an experiment for free-form surface measurement, the approach is proven to be simple for parameter computation and its relative error for space length measurement is better than 0.56%.
通过对一自由曲面分块测量及数据拼接实验表明，这种方法参数求解简单，空间距离拼接相对误差优于0.56%。
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.
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.
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。
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