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New areas of high-speed water jet utilization

  • Machining using abrasive water jet enables to machine (turn, mill, polish, drill, etc.) difficult-to-machine and non-machinable materials, such as composites, ceramics, high-strength alloys, glass, rocks, etc.
  • Utilization of high-speed water jets for ultra-fine grinding and disintegration of materials (primarily geo-materials) in the area of production of submicron particles.
  • Precise machining by abrasive water jet for achievement of optimal shaping and dimensional accuracy of workpiece without the need for further machining. Increased accuracy of final workpieces can be achieved by using more precise cutting head manipulator, 3D swing cutting head eliminating chamfer, appropriate selection of nozzles, abrasives etc.


Selected publications

  • Turčániová, L., Kadarová, J., Imrich, P., Liptaj, T., Vidlář, J., Vašek, J., Foldyna, J., Sitek, L., Baláž, P. Reactivity of mechanical activated coals for special utilization. Journal of Materials Science 39 (16-17), Aug-Sep 2004, pp. 5467-5470.
  • Sitek, L., Foldyna, J. & Souček, K. Shaping of rock specimens for testing of uniaxial tensile strength by high speed abrasive water jet: First experience. Eurock 2005 – Impact of Human Activity on the Geological Environment. Konečný (ed.), A. A. Balkema Publishers, Taylor & Francis Group, London, 2005, pp. 545 – 549, ISBN 04 1538 042 1.
  • Nowakowski, A., Młynarczuk, M., Sitek, L., Foldyna, J. Wytrzymałość skały na rozciąganie – porównanie wyników testu bezpośredniego rozciągania i testu brazylijskiego (Tensile strength of rock – comparison of results of direct tension test and Brazilian test). Transactions of the VŠB-TU No. 2, Vol. IX, Civil Engineering Series, VŠB-TU 2009, pp. 201 – 217, ISBN 978-80-248-2119-1, ISSN 1213-1962.
  • Sitek, L. Turning by high-speed abrasive water jet – our experiences (in Czech). In: Sitek (ed.), Proceedings of the Int. Conf. Vodní paprsek/Water Jet 2009, ÚGN 2009, pp. 160-169, ISBN 978-80-86407-81-4.