Research Article
Thermal Errors Classification Compensation without Sensor for CNC Machine Tools
Table 3
Correction coefficient of the temperature field model.
| Velocity (r/min) | Coefficient | | | | | | | | | | | | |
| 30 | 0.72 | 1.89 | 1.53 | 1.23 | 0.92 | 1.58 | 1.93 | -2.1 | 1.34 | 1.15 | 1.26 | 1.14 | 60 | 0.96 | 2.03 | 1.32 | -0.5 | 1.52 | 2.3 | 1.41 | 1.77 | 1.62 | 1.9 | 1.75 | 1.73 | 90 | 1.05 | 1.71 | 1.47 | 1.56 | 1.43 | -0.9 | 1.27 | 1.43 | 1.36 | 1.46 | 1.04 | 1.38 | 120 | 1.16 | 1.83 | 0.97 | -2.7 | 1.29 | 1.8 | 1.53 | -1.8 | 1.56 | -0.3 | 1.97 | 1.47 | 150 | 1.21 | 1.9 | 1.23 | 1.91 | 1.34 | 3.2 | 1.36 | -0.9 | 1.8 | -0.5 | 2.1 | 1.6 | 180 | 1.25 | 1.74 | 1.46 | 1.75 | 1.09 | 0.95 | 1.17 | 1.5 | 0.96 | 1.64 | 1.37 | -2.3 | 210 | 1.34 | -0.3 | 0.98 | 0.83 | 0.96 | 2.1 | 1.04 | 1.27 | 1.23 | 1.3 | 1.42 | -1.1 | 240 | 1.38 | 0.64 | 1.12 | 0.97 | 0.78 | 1.55 | 0.95 | -1.7 | 1.53 | -1.5 | 1.54 | 2.41 | 270 | 1.43 | 0.79 | 1.08 | -2.1 | 0.93 | 1.85 | 0.91 | -1.1 | 1.79 | 1.33 | 1.69 | -3.7 | 300 | 1.49 | 0.62 | 1.05 | -1 | 1.93 | 1.42 | 1.12 | 2.7 | 1.02 | 1.39 | 1.72 | -1.1 |
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