Research Article
Online Prediction of Milling Inner Hole Roundness Error Based on Accurate SSEM Value Extraction
Table 3
Influence of different measurement angles on various indexes.
| Measurement angle | | | | |
| (0°, 30°, 90°) | 0 | 1.39 | 0.67 | 8 | (0°, 30°, 120°) | 0 | 1.24 | 0.76 | 8 | (0°, 30°, 150°) | 0 | 1.14 | 0.77 | 8 | (0°, 60°, 90°) | 0 | 2.41 | 0.26 | 8 | (0°, 60°, 120°) | 0 | 1.35 | 0.12 | 16 | (0°, 60°, 150°) | 0 | 1.23 | 0.68 | 8 | (0°, 42.8°, 126.4°) | 0.17 | 1.34 | 0.93 | 1 | (0°, 122.5°, 202.5°) | 0.27 | 1.27 | 0.96 | 0 | (0°, 45°, 96.5°) | 0.74 | 1.71 | 1.21 | 0 |
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