Mathematical Problems in Engineering

Research Article

Global Quantitative Sensitivity Analysis and Compensation of Geometric Errors of CNC Machine Tool

Table 2

The probabilistic characteristics of geometric errors.
Error termUnitProbability distributionMean valueStand deviation
()10−4⋅radNormal0.01
10−4⋅radNormal0.32
10−4⋅radNormal−0.01
μmNormal9.90
μmNormal0.30
μmNormal1.20
()10−4⋅radNormal−0.08
10−4⋅radNormal−0.03
10−4⋅radNormal0.54
μmNormal1.50
μmNormal6.20
μmNormal0.50
()10−4⋅radNormal−0.01
10−4⋅radNormal0.24
10−4⋅radNormal0.21
μmNormal0.40
μmNormal0.30
μmNormal8.70
10−4⋅radNormal−1.18
10−4⋅radNormal−3.29
10−4⋅radNormal0.27