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6. Control and measurement
The preceding paragraphs have described geometric, dimensional and surface finish requirements. To be able to justify the conformity of the parts produced, it will be necessary to set up a product verification process. This necessarily includes notions of measurement or control:
measurement" will enable us to define a quantity for a given part with a dimensional, geometric or surface finish characteristic. This value (R) will necessarily be associated with a measurement uncertainty (U) giving the complete measurement result: R ± U (see the guide to expressing measurement uncertainties);
control, on the other hand, will enable us to define the notion of conformity directly, as with the use of an in/out gauge, or indirectly, through measurement and comparison with the required tolerances.
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The Ultimate Scientific and Technical Reference
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Material processing - Assembly
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Control and measurement
Bibliography
Standards and norms
- Handbook of ISO standards de 2009 : collection de 242 normes GPS : The Technical Product Specification (TPS) : collection sur CD-ROM - ISBN 978-92-67-10510-9 - 2009
- Geometric product specification (GPS) – Master plan - ISO/TR 14638 - 1996
- Geometric product specification (GPS) – General concepts (several parts) - ISO 17450 - 2005
- Geometric product specification (GPS) – Geometric elements (several...
Directory
Afnor website http://www.afnor.fr
ISO website http://www.iso.ch
CNOMO website http://www.cnomo.com
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