The Gage block handbook

Doiron, Theodore D.; Beers, John S.

doi:10.6028/nist.mono.180

Cited by 17 publications

(16 citation statements)

References 10 publications

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“…Analytical value of 4 nm is negligible small, as are results of experiments in amount of -3 nm. Experimental results of some other laboratories (Doiron, Beers, 2005) …”

Section: Comparison Of Analytical and Experimental Resultsmentioning

confidence: 99%

Uncertainty of Mechanical Calibration of Gauge Blocks of Dissimilar Materials

Godina¹,

Tasic²,

Ačko³

2010

DAAAM International Scientific Book 2010

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“…Analytical value of 4 nm is negligible small, as are results of experiments in amount of -3 nm. Experimental results of some other laboratories (Doiron, Beers, 2005) …”

Section: Comparison Of Analytical and Experimental Resultsmentioning

confidence: 99%

Uncertainty of Mechanical Calibration of Gauge Blocks of Dissimilar Materials

Godina¹,

Tasic²,

Ačko³

2010

DAAAM International Scientific Book 2010

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“…Since no information is given as to the degrees of freedom, our 'default' assumptions as to the reliability of the standard uncertainty lead to VOscaJ 4 degrees of freedom, following equation (11). These temperature uncertainty evaluations are all Type B evaluations.…”

Section: Gauge Block Temperature Estimationmentioning

confidence: 99%

<title>Uncertainty of gauge block calibration by mechanical comparison: a worked example for gauge blocks of dissimilar materials</title>

Decker

Ulrich²,

Pekelsky

1998

SPIE Proceedings

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The definition of gauge block length, and the lowest-uncertainty gauge block calibrations, derive their link to the definition of the metre through the technique of optical interferometry using calibrated optical wavelengths. Following interferometric calibration of gauge blocks, the technique of mechanical comparison of gauge blocks is largely used for the dissemination of the metre. A measurement scenario for the case of low-uncertainty gauge block calibration in which the working standard and client gauge blocks are made of dissimilar materials is described. The correction for stylus deformation is determined experimentally. A detailed tutorial on evaluating the uncertainties for this gauge block calibration in accordance with the ISO Guide to the expression of uncertainty in measurement is reported, including discussion of degrees of freedom and correlations.

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“…The first calibration discussed in Part 2, gage blocks measured by interferometry, is an example of an uncertainty budget for an absolute calibration. Further explanation of the measurement assurance procedures for NIST gage block calibrations is available [ 6 ].…”

Section: The Generic Uncertainty Budgetmentioning

confidence: 99%

Uncertainty and dimensional calibrations

Doiron

Stoup

1997

J. Res. Natl. Inst. Stand. Technol.

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The calculation of uncertainty for a measurement is an effort to set reasonable bounds for the measurement result according to standardized rules. Since every measurement produces only an estimate of the answer, the primary requisite of an uncertainty statement is to inform the reader of how sure the writer is that the answer is in a certain range. This report explains how we have implemented these rules for dimensional calibrations of nine different types of gages: gage blocks, gage wires, ring gages, gage balls, roundness standards, optical flats indexing tables, angle blocks, and sieves.

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The Gage block handbook

Cited by 17 publications

References 10 publications

Uncertainty of Mechanical Calibration of Gauge Blocks of Dissimilar Materials

Uncertainty of Mechanical Calibration of Gauge Blocks of Dissimilar Materials

<title>Uncertainty of gauge block calibration by mechanical comparison: a worked example for gauge blocks of dissimilar materials</title>

Uncertainty and dimensional calibrations

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