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  2. Surface roughness - Wikipedia

    en.wikipedia.org/wiki/Surface_roughness

    Surface roughness, often shortened to roughness, is a component of surface finish (surface texture). It is quantified by the deviations in the direction of the normal vector of a real surface from its ideal form. If these deviations are large, the surface is rough; if they are small, the surface is smooth.

  3. Surface metrology - Wikipedia

    en.wikipedia.org/wiki/Surface_metrology

    Surface metrology is the measurement of small-scale features on surfaces, and is a branch of metrology. Surface primary form, surface fractality, and surface finish (including surface roughness) are the parameters most commonly associated with the field. It is important to many disciplines and is mostly known for the machining of precision ...

  4. Profilometer - Wikipedia

    en.wikipedia.org/wiki/Profilometer

    Most of the world's surface finish standards are written for contact profilometers. To follow the prescribed methodology, this type of profilometer is often required. Contacting the surface is often an advantage in dirty environments where non-contact methods can end up measuring surface contaminants instead of the surface itself.

  5. ISO 25178 - Wikipedia

    en.wikipedia.org/wiki/ISO_25178

    Under 25178, industry-specific taxonomies such as roughness vs waviness are replaced by the more general concept of "scale limited surface" and "cut-off" by "nesting index". The new available filters are described in the series of technical specifications included in ISO 16610 .

  6. Surface finish - Wikipedia

    en.wikipedia.org/wiki/Surface_finish

    Surface finish, also known as surface texture or surface topography, is the nature of a surface as defined by the three characteristics of lay, surface roughness, and waviness. [1] It comprises the small, local deviations of a surface from the perfectly flat ideal (a true plane ).

  7. Taylor Hobson - Wikipedia

    en.wikipedia.org/wiki/Taylor_Hobson

    Taylor Hobson is an English company founded in 1886 and located in Leicester, England.Originally a manufacturer of still camera and cine lenses, the company now manufactures precision metrology instruments—in particular, profilometers for the analysis of surface textures and forms.

  8. Floor slip resistance testing - Wikipedia

    en.wikipedia.org/wiki/Floor_slip_resistance_testing

    Pendulum floor slip resistance tester. The ASTM E303-22 [1] (United States), BS EN 16165:2021, [2] BS EN 13036-4:2011 [3] (United Kingdom and many other European nations), AS 4663:2013 - Slip resistance of existing pedestrian surfaces, and AS 4586:2013 - Slip resistance classification of new pedestrian surface materials (Australia/New Zealand) slip resistance test standards define the pendulum ...

  9. Roughness - Wikipedia

    en.wikipedia.org/wiki/Roughness

    Roughness length, roughness as applied in meteorology; International Roughness Index, the roughness of a road; Hydraulic roughness, the roughness of land and waterway features; Roughness (psychophysics) in psychoacoustics refers to the level of dissonance; The 'roughness' of a line or surface, measured numerically by the Hausdorff dimension ...

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