Research Article
Reliability Evaluation of NC Machine Tools considering Working Conditions
Table 5
Comparison between the traditional method and the new method.
| Method | Working condition covariates | | MTBF/h | MTBF comparison (MC) | /KN | (n/h) |
|
| 0.35 | 2 | | 1084.6 | 1.8540 | | 0.43 | 17 | | 548.5002 | 0.9376 | | 0.54 | 4 | | 836.4116 | 1.4298 | The new method | 0.78 | 10 | | 523.4331 | 0.8948 | | 0.81 | 4 | | 648.5274 | 1.1086 | | 0.84 | 6 | | 581.4844 | 0.994 | | 1.03 | 14 | | 351.8384 | 0.6014 |
|
The traditional method | | | | 585.0025 | 1 |
|
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