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- Q17105453 subject Q7169260.
- Q17105453 abstract "In manufacturing and mechanical engineering, flatness is an important geometric condition for workpieces and tools.In the manufacture of precision parts and assemblies, especially where parts will be required to be connected across a surface area in an air-tight or liquid-tight manner, flatness is a critical quality of the manufactured surfaces. Such surfaces are usually machined or ground to achieve the required degree of flatness. High-definition metrology, such as digital holographic interferometry, of such a surface to confirm and ensure that the required degree of flatness has been achieved is a key step in such manufacturing processes. Flatness may be defined in terms of least squares fit to a plane ("statistical flatness"), worst-case or overall flatness (the distance between the two closest parallel planes within).Two parts that are flat to about 1 helium light band (HLB) can be "wrung" together, which means they will cling to each other when placed in contact. This phenomenon is commonly used with gage blocks.Geometric dimensioning and tolerancing has provided geometrically defined, quantitative ways of defining flatness operationally.".
- Q17105453 wikiPageExternalLink article.jsp@id=lw801.
- Q17105453 wikiPageExternalLink What-is-the-Right-Flatness-Tolerance-for-a-Gasket-Application_v1332.
- Q17105453 wikiPageExternalLink flatness.
- Q17105453 wikiPageExternalLink results.asp?image=10311926&wwwflag=2&imagepos=1.
- Q17105453 wikiPageWikiLink Q101333.
- Q17105453 wikiPageWikiLink Q1207416.
- Q17105453 wikiPageWikiLink Q1340688.
- Q17105453 wikiPageWikiLink Q1445284.
- Q17105453 wikiPageWikiLink Q1505601.
- Q17105453 wikiPageWikiLink Q187939.
- Q17105453 wikiPageWikiLink Q192047.
- Q17105453 wikiPageWikiLink Q2041172.
- Q17105453 wikiPageWikiLink Q3680646.
- Q17105453 wikiPageWikiLink Q4684655.
- Q17105453 wikiPageWikiLink Q5377756.
- Q17105453 wikiPageWikiLink Q5754486.
- Q17105453 wikiPageWikiLink Q712307.
- Q17105453 wikiPageWikiLink Q7169260.
- Q17105453 comment "In manufacturing and mechanical engineering, flatness is an important geometric condition for workpieces and tools.In the manufacture of precision parts and assemblies, especially where parts will be required to be connected across a surface area in an air-tight or liquid-tight manner, flatness is a critical quality of the manufactured surfaces. Such surfaces are usually machined or ground to achieve the required degree of flatness.".
- Q17105453 label "Flatness (manufacturing)".