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Effect of the Measurement Size on the Robustness of the Assessment of the Features Specific for Cylinder Liner Surfaces
Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Maskinteknisk produktframtagning (MTEK), Funktionella ytor.ORCID-id: 0000-0003-3149-4296
Volvo Group Trucks Technology, Gothenburg, Sweden.
Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, Maskinteknisk produktframtagning (MTEK), Funktionella ytor.ORCID-id: 0000-0001-8058-1252
2013 (engelsk)Inngår i: Metrology and Properties of Engineering Surfaces, 2013: Proceedings of the 14th International Conference on Metrology and Properties of Engineering Surfaces, 2013, s. 377-381Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The quality of the cylinder liner surface is of great importance due to the impact on the fuel/oil consumption and emissions of the internal combustion engines. A good liner function depends on the size and distribution of the deep honing grooves and amount of the cold work material (Blechmantel) left inside the grooves after finishing. A fast evaluation of these features requires optical 3D measurements with a larger area and good resolution, but the commercial interferometers used today are with limited resolution when measuring larger areas. To find out how the measurement size and resolution would affect the quantification and number of measurements needed for a robust assessment, two objectives, 2.5x and 10x, were used for measuring a cylinder liner from a truck engine. The Blechmantel was of a special interest as it first comes into a contact with piston/rings, detaches in particles and wears the running surfaces. The 2.5x objective showed more robust assessment than the 10x one manifested with lower number of measurements needed for the parameters describing the features: Blechmantel, groove width and height, groove balance and number of grooves.

sted, utgiver, år, opplag, sider
2013. s. 377-381
HSV kategori
Identifikatorer
URN: urn:nbn:se:hh:diva-24105OAI: oai:DiVA.org:hh-24105DiVA, id: diva2:676613
Konferanse
Metrology and Properties of Engineering Surfaces, 2013, The 14th International Conference, Taipei, Taiwan, June 17-21, 2013
Tilgjengelig fra: 2013-12-06 Laget: 2013-12-06 Sist oppdatert: 2018-01-11bibliografisk kontrollert

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