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Mathematical Problems in Engineering
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2016
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Article
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Tab 4
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Research Article
Reliability Evaluation of NC Machine Tools considering Working Conditions
Table 4
Reliability models of NC machine tools under different working condition covariates.
Working condition covariates
Proportional hazards function
/KN
/(n/h)
0.35
2
0.43
17
0.54
4
0.78
10
0.81
4
0.84
6
1.03
14