Research Article
A High-Precision and Wide Range Method for Inner Diameter Measurement
Table 2
Measurement results of two ring gauges.
| | Reference | 1 | 2 | 3 | 4 | 5 | 6 |
| | Measured object 1 (mm) | 76.0000 | 76.0012 | 75.9981 | 76.0007 | 76.0000 | 75.9977 | 76.0001 | | Uncertainty (μm) | | 1.2 | 1.9 | 0.7 | 0 | 2.3 | 0.1 | | Measured object 2 (mm) | 109.9990 | 109.9998 | 110.0001 | 109.9987 | 109.9980 | 110.0007 | 110.0010 | | Uncertainty (μm) | | 0.8 | 1.1 | 0.3 | 1 | 1.7 | 2 | | Measured object 3 (mm) | 125.0000 | 124.9980 | 124.9995 | 124.9988 | 125.0010 | 125.0000 | 124.9980 | | Uncertainty (μm) | | 2 | 0.5 | 1.2 | 1 | 0 | 2 |
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