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  4. Modeling of surface hardening and roughness induced by turning AISI 4140 QT under different machining conditions
 
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2022
Journal Article
Title

Modeling of surface hardening and roughness induced by turning AISI 4140 QT under different machining conditions

Abstract
For this work, the surface-layer states of turned AISI 4140 QT were investigated by means of surface roughness and microhardness measurements. Different machining conditions are regarded, namely cutting velocity, feed rate, tool wear and the tool corner radius, as well as the tempering state of the workpiece. The resulting data is analyzed by multiple algorithms, in order to create analytical models for a real time process control. Modeling approaches applied are linear regression, stepwise regression, LASSO and Elastic Net. Finally, the models are evaluated in terms of quality, complexity and physical plausibility.
Author(s)
Stampfer, Benedict
wbk Institute of Production Science, Karlsruhe Institute of Technology (KIT)
Bachmann, Jeanine
wbk Institute of Production Science, Karlsruhe Institute of Technology (KIT)
Gauder, Daniel
wbk Institute of Production Science, Karlsruhe Institute of Technology (KIT)
Böttger, David  
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Gerstenmeyer, Michael
wbk Institute of Production Science, Karlsruhe Institute of Technology (KIT)
Lanza, Gisela
wbk Institute of Production Science, Karlsruhe Institute of Technology (KIT)
Wolter, Bernd  
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Schulze, Volker
wbk Institute of Production Science, Karlsruhe Institute of Technology (KIT)
Journal
Procedia CIRP  
Conference
Conference on Surface Integrity 2022  
Open Access
File(s)
22036.pdf (1022.64 KB)
Rights
CC BY-NC-ND
DOI
10.24406/publica-r-419071
10.1016/j.procir.2022.03.050
Language
English
Fraunhofer-Institut für Zerstörungsfreie Prüfverfahren IZFP  
Keyword(s)
  • Process modeling

  • hardness

  • roughness

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