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CIRP Encyclopedia of Production Engineering pp 1–4Cite as

Topography

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Definition

The term “topography” itself is not strictly defined in the context of metrology but generally understood as a description of the shape and features of a surface. This is based on the use of the term “topography” in geography where it describes the physical properties (elevation, depth, shape) of a small area.

There are definitions for a set of topographical features in EN ISO 25178-2; the topography can thus be understood as the entirety of all topographical features.

Theory and Application

The shape and features of surfaces described in the topography are usually divided into three subcategories that are classified by the wavelength of the features as defined in EN ISO 4287 and EN ISO 16610 for two-dimensional measurements and EN ISO 16610 for three-dimensional measurements. This classification does not separate between wanted and unwanted shapes and features.

  • Form: long-wavelength features or deviations that can be caused by machine misalignments and nonlinearities or are...

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References

  • DIN EN ISO 25178-2 (2012) Geometrische Produktspezifikation (GPS) – Oberflächenbeschaffenheit: Flächenhaft. Teil 2: Begriffe und Oberflächen-Kenngrößen [Geometrical product specifications (GPS) surface texture: areal. Part 2: terms, definitions and surface texture parameters]. Beuth, Berlin. (In German or English)

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  • DIN EN ISO 25178-601 (2010) Geometrische Produktspezifikation (GPS) – Oberflächenbeschaffenheit: Flächenhaft – Teil 601: Merkmale von berührend messenden Geräten (mit Taster) [Geometrical product specifications (GPS) surface texture: areal. Part 601: nominal characteristics of contact (stylus) instruments]. Beuth, Berlin. (In German or English)

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  • DIN EN ISO 25178-602 (2010) Geometrische Produktspezifikation (GPS) - Oberflächenbeschaffenheit: Flächenhaft – Teil 602: Merkmale von berührungslos messenden Geräten (mit chromatisch konfokaler Sonde) [Geometrical product specifications (GPS) surface texture: areal. part 602: nominal characteristics of non-contact (confocal chromatic probe) instruments]. Beuth, Berlin. (In German or English)

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  • DIN EN ISO 25178-603 (2013) Geometrische Produktspezifikation (GPS) – Oberflächenbeschaffenheit: Flächenhaft – Teil 603: Merkmale von berührungslos messenden Geräten (phasenschiebende interferometrische Mikroskopie) [Geometrical product specifications (GPS) surface texture: areal. part 603: nominal characteristics of non-contact (phase-shifting interferometric microscopy) instruments]. Beuth, Berlin. (In German or English)

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  • DIN EN ISO 25178-604 (2013) Geometrische Produktspezifikation (GPS) – Oberflächenbeschaffenheit: Flächenhaft – Teil 604: Merkmale von berührungslos messenden Geräten (Weißlicht-Interferometrie) [Geometrical product specifications (GPS) surface texture: areal. part 604: nominal characteristics of non-contact instruments (white-light interferometry)]. Beuth, Berlin. (in German or English)

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  • DIN EN ISO 25178-605 (2014) Geometrische Produktspezifikation (GPS) – Oberflächenbeschaffenheit: Flächenhaft – Teil 605: Merkmale von berührungslos messenden Geräten (Punkt-Autofokus-sensor) [Geometrical product specifications (GPS) surface texture: areal part 605: nominal characteristics of non-contact (point autofocus probe) instruments]. Beuth, Berlin. (In German or English)

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  • DIN EN ISO 25178-606 (2013) Geometrische Produktspezifikation (GPS) - Oberflächenbeschaffenheit: Flächenhaft – Teil 606: Merkmale von berührungslos messenden Geräten (Fokusvariation) [Geometrical product specifications (GPS) surface texture: areal. part 60: nominal characteristics of contact (focus variation) instruments]. Beuth, Berlin. (In German or English)

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  • DIN EN ISO 4287 (2010) Geometrical product specifications (GPS)_- surface texture: profile method_- terms, definitions and surface texture parameters (ISO_4287:1997_+ Cor_1:1998_+ Cor_2:2005_+ Amd_1:2009). Beuth, Berlin. (In German or English)

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Authors and Affiliations

  1. Laboratory for Machine Tools and Production Engineering WZL of the RWTH, Aachen University, Aachen, Germany

    Robert Heinrich Schmitt

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  1. Robert Heinrich Schmitt
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Correspondence to Robert Heinrich Schmitt .

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Editors and Affiliations

  1. Engineering, paris, France

    The International Academy for Production

Section Editor information

  1. Laboratory for Machine Tools and Production Engineering WZL of the RWTH, Aachen University, Aachen, Germany

    Robert Heinrich Schmitt

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Schmitt, R.H. (2018). Topography. In: The International Academy for Production (eds) CIRP Encyclopedia of Production Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35950-7_16798-1

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  • DOI: https://doi.org/10.1007/978-3-642-35950-7_16798-1

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-35950-7

  • Online ISBN: 978-3-642-35950-7

  • eBook Packages: Springer Reference EngineeringReference Module Computer Science and Engineering

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