Research Article
Optimal Periods of Conducting Preventive Maintenance to Reduce Expected Downtime and Its Impact on Improving Reliability
Table 6
Reliability function and failure rates before and after preventive maintenance of the machine Crupp 21.
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| 0 | 1.0000 | 1.0000 | 1.0000 | 0.0000 | 0.0000 | 1 | 0.9739 | 0.9739 | 0.9739 | 0.0421 | 0.0421 | 2 | 0.9234 | 0.9234 | 0.9234 | 0.0634 | 0.0634 | 3 | 0.8591 | 0.8591 | 0.8591 | 0.0805 | 0.0805 | 4 | 0.7867 | 0.7867 | 0.7867 | 0.0954 | 0.0954 | 5 | 0.7102 | 0.7102 | 0.7102 | 0.1088 | 0.1088 | 6 | 0.6331 | 0.6331 | 0.6331 | 0.1212 | 0.1212 | 7 | 0.5576 | 0.5576 | 1.0000 | 0.1327 | 0.0000 | 8 | 0.4856 | 0.5430 | 0.9739 | 0.1436 | 0.0421 | 9 | 0.4185 | 0.5148 | 0.9234 | 0.1539 | 0.0634 | 10 | 0.3570 | 0.4790 | 0.8591 | 0.1638 | 0.0805 | 11 | 0.3016 | 0.4386 | 0.7867 | 0.1733 | 0.0954 | 12 | 0.2525 | 0.3960 | 0.7102 | 0.1824 | 0.1088 | 13 | 0.2094 | 0.3530 | 0.6331 | 0.1912 | 0.1212 | 14 | 0.1723 | 0.3109 | 1.0000 | 0.1998 | 0.0000 | 15 | 0.1405 | 0.3027 | 0.9739 | 0.2081 | 0.0421 | 16 | 0.1136 | 0.2871 | 0.9234 | 0.2161 | 0.0634 | 17 | 0.0912 | 0.2671 | 0.8591 | 0.2240 | 0.0805 | 18 | 0.0726 | 0.2445 | 0.7867 | 0.2317 | 0.0954 | 19 | 0.0574 | 0.2208 | 0.7102 | 0.2392 | 0.1088 | 20 | 0.0450 | 0.1968 | 0.6331 | 0.2466 | 0.1212 | 21 | 0.0350 | 0.1733 | 1.0000 | 0.2538 | 0.0000 | 22 | 0.0271 | 0.1688 | 0.9739 | 0.2608 | 0.0421 | 23 | 0.0208 | 0.1600 | 0.9234 | 0.2678 | 0.0634 | 24 | 0.0159 | 0.1489 | 0.8591 | 0.2746 | 0.0805 | 25 | 0.0120 | 0.1364 | 0.7867 | 0.2813 | 0.0954 |
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