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  4. Forming 4.0: Smart machine components applied as a hybrid plain bearing and a tool clamping system
 
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2019
Journal Article
Title

Forming 4.0: Smart machine components applied as a hybrid plain bearing and a tool clamping system

Other Title
Umformen 4.0: Intelligente Maschinenkomponenten am Beispiel eines Hybridgleitlagers und eines Werkzeugspannsystems
Abstract
Higher process reliability as well as detailed information about the machine condition are necessary requirements for the manufacturing of complex geometric shapes with simultaneous increase of the machine availability and output rate. By implementing smart machine components it is possible to solve central challenges focusing on the investment-intensive field of forming technology. These components gather and evaluate machine and process data on decentralized spots with certain integrated sensors. Within this paper the potential benefits of those smartmachine components are demonstrated using the example of an intelligent hybrid plain bearing and a smart tool holder. Focusing on the damage prevention of plain bearings, a load controlled journal bearing combining hydrodynamic and hydrostatic characteristics has been developed and tested by simulation. In addition, a smart hydraulic tool holder for upper dies has been successfully tested by simulations and experiments in order to investigate and demonstrate the potential for using the monitored clamping characteristics to increase the process transparency and the condition of the tool holder. As a result these smart machine components can be used additionally for a significant improvement of industry 4.0 tools such as digital twins of both process and machine.
Author(s)
Kurth, Robin  
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Tehel, Robert  
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Päßler, Thomas  
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Putz, Matthias  
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Wehmeyer, Klaus
Berg & Co., Bielefeld
Kraft, Christian
Technische Universität Clausthal
Schwarze, Hubert
Technische Universität Clausthal
Journal
Procedia manufacturing  
Conference
Sächsische Fachtagung Umformtechnik (SFU) 2018  
Internationale Konferenz "Accuracy in Forming Technology" (ICAFT) 2018  
International Lower Silesia-Saxony Conference on Advanced Metal Forming Processes in Automotive Industry (AutoMetForm) 2018  
Open Access
DOI
10.1016/j.promfg.2018.12.045
Additional full text version
Landing Page
Language
English
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Keyword(s)
  • industry 4.0

  • sensor integration

  • plain bearing

  • journal bearing

  • tool clamping

  • condition monitoring

  • smart component

  • process monitoring

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