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Uncertainty and Dimensional Calibrations (1997)

by Ted Doiron, John Stoup
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NIST Special Publication 260-173 Standard Reference Materials:

by Srm D, Fibrous-glass Board, Robert R. Zarr, Amanda C. Harris, John F. Roller, Stefan D. Leigh, Nist Special Publication, Robert R. Zarr, Amanda C. Harris, John F. Roller, Stefan D. Leigh, Rebecca M. Blank, Acting Secretary , 2011
"... document in order to describe an experimental procedure or concept adequately. Such identification is not intended to imply recommendation or endorsement by the National Institute of Standards and Technology, nor is it intended to imply that the entities, materials, or equipment are necessarily the ..."
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document in order to describe an experimental procedure or concept adequately. Such identification is not intended to imply recommendation or endorsement by the National Institute of Standards and Technology, nor is it intended to imply that the entities, materials, or equipment are necessarily the best available for the purpose.

SISY 2006 • 4 th Serbian-Hungarian Joint Symposium on Intelligent Systems A Distributed Computer System for Gauge Calibration

by Gyula Hermann
"... Abstract: Calibration is defined as a performance comparison against a standard of known accuracy. One can observe that manufacturing firms outsource their calibration activities to calibration services which are designed to manage the customer’s entire calibration needs. In this paper a web-based s ..."
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Abstract: Calibration is defined as a performance comparison against a standard of known accuracy. One can observe that manufacturing firms outsource their calibration activities to calibration services which are designed to manage the customer’s entire calibration needs. In this paper a web-based system is described that allows the costumers to manage their calibration function on-line from their own personal computer. The users can access key calibration information even when they are under way using their laptop.

NIST Reference Goniophotometer for Specular Gloss Measurements NIST Reference Goniophotometer

by unknown authors
"... The current global economy has increased international competition and the need to improve the quality of many manufactured products. Appearance measurements are used to determine the quality and acceptability ..."
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The current global economy has increased international competition and the need to improve the quality of many manufactured products. Appearance measurements are used to determine the quality and acceptability

Curriculum Vitae

by Anna Marie Smith, Kristin Bumiller, Mary L. Shanley, Thematic Issue On
"... Co-editor (with Kate Nash and Alan Scott), New Critical Writings in Political ..."
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Co-editor (with Kate Nash and Alan Scott), New Critical Writings in Political

FOR

by unknown authors , 2005
"... __________________________ Prof. Dr. Canan Özgen Director I certify that this thesis satisfies all the requirements as a thesis for the degree of Master of Science. ..."
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__________________________ Prof. Dr. Canan Özgen Director I certify that this thesis satisfies all the requirements as a thesis for the degree of Master of Science.
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...ver, thesuncertainty in this coefficient is also a source of uncertainty. In comparison, insdimensional calibrations there can be a temperature difference between the mastersgauge and the test gauge. =-=[13]-=-.s• Mechanical DeformationsAll mechanical measurements involve contact of surfaces and all surfaces inscontact are deformed. In some cases, the deformation is unwanted, in gauge blockscomparisons for ...

unknown title

by Dennis A. Swyt
"... This paper discusses the past, present, and future of length and dimensional measurements at NIST. It covers the evolution of the SI unit of length through its three definitions and the evolution of NBS-NIST dimensional measurement from early linescales and gage blocks to a future of atom-based dime ..."
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This paper discusses the past, present, and future of length and dimensional measurements at NIST. It covers the evolution of the SI unit of length through its three definitions and the evolution of NBS-NIST dimensional measurement from early linescales and gage blocks to a future of atom-based dimensional standards. Current capabilities include dimensional measurements over a range of fourteen orders of magnitude. Uncertain-ties of measurements on different types of material artifacts range down to 710–8 m at 1 m and 8 picometers (pm) at 300 pm. Current work deals with a broad
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...viding this level of uncertainty [20]. Representing the state-of-the-art of precision gage block calibration is the expanded uncertainty of 10 nm to 30 nm on gage blocks of 10 mm to 1000 mm in length =-=[12]-=-. According to the NIST benchmarking study, the NIST uncertainty is that attained by the group of the leading NMIs of the world [20]. Representing the lowest uncertainty of end-standardtype measuremen...

IMPLEMENTATION OF THE ESTLER FACE MOTION REVERSAL TECHNIQUE USING A SINGLE PROBE

by James G. Salsbury
"... An implementation of the Estler face motion reversal technique [1] is presented that allows for the separation of the axial and tilt error motions of an axis of rotation from the circular flatness of a measured part. A single probe method is used that has practical applications in testing spindle ty ..."
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An implementation of the Estler face motion reversal technique [1] is presented that allows for the separation of the axial and tilt error motions of an axis of rotation from the circular flatness of a measured part. A single probe method is used that has practical applications in testing spindle type roundness measuring instruments. The method and experimental results are presented.
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...o the specifications is not normally allowed. For reversal techniques, the measurement uncertainty is typically dominated by the long-term reproducibility of the measurement process (for example, see =-=[10]-=-). The only other potentially significant source of uncertainty is the indicator and its calibration, which is the source of traceability to the unit of length for the measurement. Additional face mot...

REMERCIEMENTS

by Machines A Mesurer Tridimensionnelles, M. Pierre-jean Barre, M. Thierry Coorevits, Maître De Conférence, Aix-en-provence Angers, Bordeaux Châlons-en-champagne, Cluny Lille, Metz Paris, F. Hennebelle , 2007
"... de l’École Nationale Supérieure d'Arts et Métiers Spécialité “Mécanique- Matériaux” présentée et soutenue publiquement par François HENNEBELLE ..."
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de l’École Nationale Supérieure d'Arts et Métiers Spécialité “Mécanique- Matériaux” présentée et soutenue publiquement par François HENNEBELLE
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...e. - Un ensemble de lois uniformes pour tenir compte des variations de température. Ce point est détaillé au paragraphe suivant. Une référence bibliographique intéressante est l’article de Ted DOIRON =-=[DOI1997]-=-. Détermination des incertitudes sur machines CETIM - ENSAM –2005 - 2007 177 à mesurer tridimensionnellesF. HENNEBELLE THESE 178/275 CHAPITRE VII INCERTITUDES 5.4.2 Prise en compte des variations de ...

Edited by

by Thomas M. Adams , 2008
"... ��2008 by A2LA. ..."
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��2008 by A2LA.
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