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  4. Particle contact conditions for cutting edge preparation of micro-milling tools by the immersed tumbling process
 
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2021
Conference Paper
Title

Particle contact conditions for cutting edge preparation of micro-milling tools by the immersed tumbling process

Abstract
For increasing tool life and cutting length of micro-milling tools the cutting edge preparation was successfully established. Using the immersed tumbling process, a reproducible cutting edge preparation with constant cutting edge radii as well as low chipping of the cutting edges can be realised. For a profound understanding of the preparation process and the process mechanisms further knowledge about the particle interactions with cutting tools as well as the particle flow mechanisms needs to be obtained. In this investigation the preparation process of micro-milling tools was analysed and the contact-mechanisms as well as the resulting pressures were investigated by simulation studies. Using the discrete element method (DEM) with the software ROCKY DEM from the company ESSS, Florianópolis, Brasil, the immersed tumbling process could be modelled and particle contacts, particle traces as well as particle interactions with the micro-milling tool can be visualized. Especially the particle-tool interactions were more accurately investigated by analysing the stresses and particles shear work as well as correlations between these parameters to prove the comparability between the process simulation and the real preparation process.
Author(s)
Uhlmann, Eckart  
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK  
Polte, Julian  
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK  
Kuche, Yves  
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK  
Landua, Fabian
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK  
Mainwork
21st International Conference & Exhibition of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2021. Conference Proceedings  
Conference
European Society for Precision Engineering and Nanotechnology (EUSPEN International Conference & Exhibition) 2021  
Link
Link
Language
English
Fraunhofer-Institut für Produktionsanlagen und Konstruktionstechnik IPK  
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