publication . Thesis

Manual and automatice large-scale dimensional metrology

Sydenham, P. H.;
Open Access English
  • Country: United Kingdom
Abstract
Current techniques for manual and automated determination\ud of decametre-range are reviewed from information gained by extensive\ud literature search and from visits made to a wide cross section of\ud European establishments concerned with large-scale dimensional\ud measurements. The reviews, which contain nearly 200 references, provide\ud background information needed by systems designers.\ud A 12m steel measuring base is described which was length\ud stabilised to within 3 parts in 10 for periods in excess of 500 hours.\ud Temperature of the internal water flow is monitored by a contact\ud thermometer which controls the heat input.\ud The theory and practice ...
Subjects
free text keywords: QC
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