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文章依据单球法测量轴承外圈滚道用标准器直径尺寸的计算公式推导出了其直径测量的数学模型,分析了测量中使用的标准钢球、量块、立式光学计及轴承外圈滚道用标准器圆锥角测量的误差等引入的各不确定度标准分量,进而合成得出了单球法测量轴承外圈滚道用标准器直径尺寸的扩展不确定度。
The article deduces the mathematical model of diameter measurement based on the calculation formula of the diameter of standard gauge of bearing outer raceway measured by single ball method, analyzes the standard steel ball, measuring block, vertical optical meter and bearing outer ring The standard deviation of the measurement of the conical angle of the raceway and the standard components of the uncertainty introduced by the conical angle measurement of the standard raceway, and then the expanded uncertainty of the diameter measurement of the standard raceway for the bearing outer race of the bearing by the single ball method is synthesized.