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Dry and residue-free cutting with high-pressure CO2-blasting

: Bilz, M.; Uhlmann, E.


Merklein, M. ; Wissenschaftliche Gesellschaft für Produktionstechnik -WGP-:
WGP Congress 2014. Progress in Production Engineering : Selected, peer reviewed papers from the 2014 WGP Congress, September 9-10, 2014, Erlangen, Germany
Dürnten: Trans Tech Publications, 2014 (Advanced materials research 1018)
ISBN: 978-3-03835-245-7 (Print)
ISBN: 978-3-03795-941-1 (CD-ROM)
ISBN: 978-3-03826-629-7 (eBook)
Wissenschaftliche Gesellschaft für Produktionstechnik (WGP Congress) <4, 2014, Erlangen>
Fraunhofer IPK ()

Jet cutting with high-pressure CO2 jets has the potential for a dry and residue-free machining of materials. However, a high-pressure CO2 blasting plant as well as experimental expertise for the continuous jet cutting with high-pressure CO2 at atmospheric conditions are not available. A pilot plant for the continuous jet cutting with liquid carbon dioxide was developed and realized at the Fraunhofer-Institute for Production Systems and Design Technology. Identical cutting tests were carried out in polyurethane blocks of different Shore D-hardness and density with high-pressure CO2 and water jets. Based on the first results in polyurethane blocks the tests were extended to cutting carbon fibre reinforced plastic plates with the high-pressure CO2 jet. Finally the possibilities and limits of the high-pressure CO2 jet cutting were summarised.