To assess roughness most effective method is production of pen record that represents, to suitably enlarged vertical and horizontal scales, section of surface by plane perpendicular to it; sensitive element of instrument is usually diamond stylus lapped to point radius not exceeding 0.0001 in.; description of typical surface finish recording instrument and method of taking records. From British Science News.
Roughness of surfaces
Eng Inspection
Engineering Inspection ; 14 , n 3
1950
3 pages
Aufsatz (Zeitschrift)
Englisch
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