| Naslov: | New approach to uncertainty evaluation in the calibration of gauge block comparators |
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| Avtorji: | ID Godina, Andrej (Avtor)
ID Ačko, Bojan (Avtor)
ID Družovec, Marjan (Avtor) |
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| Datoteke: |  http://dx.doi.org/10.1016/j.measurement.2006.09.010
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Neznano |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FS - Fakulteta za strojništvo
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| Opis: | Gauge blocks (GBs) are being calibrated by two methods: interferometric calibration and calibration by mechanical comparison to reference GB. While interferometric method represents primary level, comparison is more suitable for calibrating industrial GBs because of lower costs and shorter calibration time. Although no significant changes in equipment happened in last decade, improvements in mechanical comparison are on-going. In addition to the uncertainty of the reference GB calibration, uncertainty of the GB comparator is the most important contribution to total uncertainty of the mechanical calibration. The article introduces a new approach for evaluating the uncertainty of GB comparator calibration. The uncertainty budget and results of analytical and experimental evaluation of all contributions are presented. This approach results in lower end-effect uncertainty and a slightly higher length dependent uncertainty, in comparison with the uncertainty evaluation procedure as described in EA document EA-10/02. |
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| Ključne besede: | measurements, calibration, measuring uncertainty, gauge block, comparator, CMC, mechanical comparison |
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| Leto izida: | 2007 |
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| PID: | 20.500.12556/DKUM-25931  |
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| UDK: | 53.089 |
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| COBISS.SI-ID: | 11393558 |
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| ISSN pri članku: | 0263-2241 |
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| NUK URN: | URN:SI:UM:DK:KBBLKUTI |
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| Datum objave v DKUM: | 31.05.2012 |
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| Število ogledov: | 2566 |
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| Število prenosov: | 124 |
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| Metapodatki: |    |
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| Področja: | Ostalo
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