Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Christoph Ohrt"'
Autor:
Björn Plugge, Gökhan Akkasoglu, Valerian Salfeld, Albert Weckenmann, Bernd-Arno Behrens, Eduard Reithmeier, Thilo Breitsprecher, Sandro Wartzack, Christoph Ohrt, Thomas Schneider
Publikováno v:
Zeitschrift für wirtschaftlichen Fabrikbetrieb. 107:43-47
Kurzfassung Neue Umformverfahren zielen auf eine Steigerung der Prozessrobustheit und eine Verkürzung der Prozesskette ab. Mit der Entwicklung der Blechmassivumformung (BMU) innerhalb des Sonderforschungsbereiches Transregio 73 wird durch das Zusamm
Autor:
Eduard Reithmeier, Christoph Ohrt, Johannes Weickmann, Albert Weckenmann, Tino Hausotte, Wito Hartmann, Markus Kästner
Publikováno v:
Key Engineering Materials. :1005-1010
Sheet bulk metal forming is a new forming technology, currently developed by several companies and research institutes. It creates high demands on the inspection of parts and tools, especially in the field of in-situ abrasion detection of the forming
Publikováno v:
tm - Technisches Messen. 79:95-102
Zusammenfassung Die neuartige Fertigungstechnologie der Blechmassivumformung stellt besonders hohe Anforderungen an die Prüfung von Bauteilen und Werkzeugen. Hier werden mit der endoskopischen Streifenprojektion und der mehrskaligen Streifenprojekti
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 63:103-108
Using modern laser fabrication techniques such as two-photon polymerisation (2PP), complex 3D and planar structures with the resolutions down to 100 nm can be achieved. Advantages of 2PP can be exploited by combining it with the nano-imprint lithogra
Autor:
Peter Behrens, Imke Bremer, Carsten Reinhardt, Sven Passinger, Christoph Ohrt, Simon Münzer, Falk Heinroth, Boris N. Chichkov
Publikováno v:
Microporous and Mesoporous Materials. 119:104-108
A combination of laser-based top-down and chemical bottom-up processes to prepare hierarchical (pore) structures is presented. Polymer templates with dimensions in the micrometer regime are fabricated by two-photon polymerization of an acrylate monom
Publikováno v:
Fringe 2013 ISBN: 9783642363580
Fringe projection offers a great variety of application fields in geometry measurements of free form elements ranging from large measuring areas down to geometry elements with sizes in the millimetre range. With advanced methods for deviation analysi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3875568f9e98e36bc6049685f64f36e6
https://doi.org/10.1007/978-3-642-36359-7_135
https://doi.org/10.1007/978-3-642-36359-7_135
Publikováno v:
SPIE Proceedings.
The paper introduces a new fibrescopic micro fringe projector, showing the special requirements of micro fringe projection in combination with coupling to flexible image fibre bundles. So far performed example applications, such as measurements of de
Publikováno v:
Applied optics. 51(10)
One of the main tasks of the quality test is the inspection of all relevant geometric parts related to the predefined tolerance range, whereas the uncertainty of measurement has to be less than the tolerance range. The reachable uncertainty of measur
Publikováno v:
SPIE Proceedings.
Within the scope of the Collaborative Research Centre (CRC) Transregio 73 (SFB/TR73) research project, a new kind of micro fringe projection system is being developed. By using flexible imaging fibre bundles, it becomes possible to collect complete d
Autor:
Charalampos Schizas, Arune Gaidukeviciute, Vasileia Melissinaki, Carsten Reinhardt, Christoph Ohrt, Boris N. Chichkov, V. Dedoussis, Maria Farsari, Costas Fotakis, D. Karalekas
Publikováno v:
SPIE Proceedings.
We present our investigations into the design and fabrication of a complex shape, readily assembled micro check-valve using the two-photon polymerization technique and a hybrid material. A computational fluid dynamics study has been carried out in or