Metal forming progress since 2000 (2008)
Jeswiet, J., Geiger, M., Engel, U., Kleiner, M., Schikorra, M., Duflou, J., ...
Considerable changes have occurred in metal forming in the last decade. A record of these changes can be found in keynote papers presented by the members of the Scientific Technical...
Sheet metal forming at elevated temperatures (2006)
Neugebauer, R., Altan, T., Geiger, M., Kleiner, M., Sterzing, A.
Due to the need to significantly reduce the part weights in automotive manufacturing, the use of lightweight materials such as aluminum, magnesium, high-strength steels and titanium becomes ever more...
Innenhochdruck-Umformung von Doppelblechen (2006)
Geiger, M., Neugebauer, R., Merklein, M., Lamprecht, K., Tolazzi, M., Bahn, V.
Innenhochdruck-Umformung von Doppelblechen (2006)
Geiger, M., Neugebauer, R., Merklein, M., Lamprecht, K., Tolazzi, M., Bahn, V.
Investigation into the process basics of warm forming (2002)
Neugebauer, R., Putz, M., Hartwig, H., Geiger, M., Bitter, S.
Hilpert, M, Chrenek, P, Schöfer, C, Zechmeister-Machhart, M, ...
Protein C inhibitor (PCI) is a nonspecific, heparin-binding serpin (serine protease inhibitor) that inactivates many plasmatic and extravascular serine proteases by forming stable 1:1 complexes....
Sheet Metal 2001, Proceedings of the International Conference (2001)
Duflou, J.R., Geiger, M., Kals, H.J.J., Shirvani, B., Singh, U.P.
Umformtechnische Herstellung kleiner Bauteile (2000)
Siegert, K., Frank, H., Neugebauer, R., Schubert, A., Böhm, J., Geiger, M., ...
Prozeßplanung und Prozeßführung bei Generativen Fertigungsverfahren (2000)
Gesamtziel der Dissertation ist die Untersuchung, Erstellung und Bewertung eines Modells zur Prozeßplanung und die Prozeßführung bei Generativen Fertigungsverfahren. Hierdurch sollen Grundlagen...
Verfahren zur Herstellung von Filtern (1999)
Geiger, M., Montnacher, J., Rohrmeier, J., Zink, T.
The description refers to a process for the production of filters. In said process, a filter material 10 is preshaped in the form of a continuous web, perforated by a laser beam 13 and then folded in...
Lamellierte Aktiv-Werkzeugelemente in flexiblen Blechumformwerkzeugen (1999)
Garreis, F., Neugebauer, R., Geiger, M., Euringer, M.
By the acquired CAD/CAM-process chain, which includes the lamination of activ-elements and generation of NC-programs, work planning for manufacturing of laminated activ-elements can be simplified...
Micromachining of Ceramics with Excimer Laser Radiation. (1998)
Goller, M., Lutz, N., Geiger, M.
A XeCl excimer laser (lambda = 308 nm) was used for investigating the possibilities of micromachining ceramic materials. The influence of the optical setup and laser parameters on the processing...
Geiger, M., Rauh, W., Haller, T., Knorpp, R.
The invention relates to a process and a device for the tomographic measurement and digitization of bodies by means of which measuring data relating to the surface and contour of a body can be...
Verfahren zum Formen von Pulver/Binder-Gemischen (1998)
The method concerns moulding of powder and bonding agent mixtures (105) with use of a moulding device (101, 102) which is produced by a rapid prototyping process and consists of one or more parts. It...
Betriebsmanagement-Handbuch. Nachschlagewerk und Ratgeber für kleine und mittlere Unternehmen (1997)
Gerade kleine und mittlere Unternehmen stehen heutzutage verschärften Wettbewerbsbedingungen gegenüber. Um konkurrenzfähig bleiben zu können, ist auch bei diesen Unternehmensgrößen modernes...
Data Processing for Additive Fabricators (1997)
In the early years of Rapid Prototyping additive fabricators were only be considered as competition processes. With process improvements and better knowledge about the systems, user even more select...
Sheet Metal 1996, Proceedings of the International Conference, vol 1/2 (1996)
Kals, H.J.J., Shirvani, B., Singh, U.P., Geiger, M., Editor WB, N.N.
Steger, W., Geiger, M., Koch, K.U.
Rapid Prototyping-Technologien ermöglichen es heute, Prototypen schneller, kostengünstiger und flexibler herzustellen als in der Vergangenheit. Welche Bedeutung diesen Technologien - deren erster...
Nach einer schwierigen Anlaufphase bis 1992 sind die Generativen Fertigungsverfahren dabei, die Produktentwicklung zu revolutionieren. Dies geschieht durch die bislang unerreichte Schnelligkeit bei...
Several companies established a Rapid Prototyping User Group organized and leaded by the Fraunhofer Institut für Produktionstechnik und Automatisierung IPA in order to improve the special product...
Steger, W., Melchior, K., Staskewitsch, E., Pintat, T., Geiger, M., Greul, M.
The description relates to a process for the free-shaping production of three-dimensional components. A powder binder mixture located in a process chamber (1,2) or a high-fusion material is...
Slice Formats and Slicing (1995)
Slices are the lowest common denominator among RP systems. Simple Slicing routines involve failures which directly cause inaccurate parts. A slicing tool was developed at IPA, which enables the...
Schnelle Wege zu funktionalen Prototypen (1995)
Geiger, M., Melchior, K., Steger, W.
Rapid Prototyping Technologien finden verstärkte Anwendung in der Industrie. Im Vordergrund steht immer mehr die Herstellung von funktionalen Prototypen. Dies ist durch die Kombination von...
Rapid Prototyping and New Materials (1995)
Due to the world-wide competitive situation, interest in new methods, business practices and technologies to improve and accelerate product development have increased continuously over the last few...
Rapid Mould and Die Making Using Reverse Engineering and Rapid Prototyping (1995)
Geiger, M., Haller, T., Roth-Koch, S.
CAD technology is a means to provide a consistent flow of data throughout the whole development cycle of a product. However, in industrial practice physical models are widely used to represent the...
Generative Fertigungsverfahren wie Stereolithographie oder Selective Laser Sintering werden in der Produktentwicklung verstärkt zum Herstellen von Prototypen aus Kunststoff, Wachs und Papier...
Schnelle Wege zu innovativen Produkten (1994)
Durch die Anwendung neuer "Generativer Fertigungsverfahren" (Rapid-Prototyping-Technologien), zum Beispiel der Stereolithographie, konnten die Herstellungszeiten von Prototypen, die einen erheblichen...
Multiphase jet solidification. A new rapid prototyping process (1994)
Greul, M., Sindel, M., Geiger, M.
Two Institutes of the Fraunhofer Gesellschaft, the Institute for Manufacturing Engineering and Automation (IPA) and the Institute for Applied Material Research (IfaM) are developing a new rapid...
Geiger, M., Greul, M., Sindel, M.
Changing requirements in the production industry have lead to a higher demand of prototypes during the last years. This demand was not fully satisfied by the Rapid Prototyping (RP) systems which are...
Geiger, M., Greul, M., Sindel, M., Steger, W.
The production of metallic and ceramic parts with RP technologies is requested, Multiphase Jet Solidification (MJS) is a process which reveals good results to develop a commercial system due to this...
Multiphase jet solidification (1994)
Geiger, M., Steger, W., Greul, M., Sindel, M.
Two Institutes of the Fraunhofer Gesellschaft, the Institute for Manufacturing Engineering and Automation (IPA) and the Institute for Applied Material Research (IfaM) are developing a new rapid...
Hochdruckwasserstrahlschneiden im CIM-Verbund (1994)
Geiger, M., Kille, K., Rauh, W.
In dem vorliegenden Beitrag wurden die Prinzipien der CAD/CAM-Kopplung von Wasserstrahlanlagen diskutiert. Insbesondere der Einsatz bei der schnellen Produktentwicklung und Fertigung stand im...
Enhanced functionality of stereolithografy parts by metal deposition techniques (1994)
Leyendecker, F., Mann, D., Geiger, M.
In many cases of product development there is a need for a prototype looking like the subsequently metal product. Therefore, the value of a stereolithografy part for assessment is limited by its...
Für den zeit- und kostengünstigen Einsatz von GF in der Produktentwicklung wird es in Zukunft immer wichtiger, daß Konstrukteure ein wesentlich höheres Wissen über Eigenschaften von neuen...
Rapid Prototyping - Verfahren, Anwendungen, Beispiele (1993)
Automatisierte Fertigungsverfahren zur Herstellung von Musterteilen werden in der Produktentwicklung alternativ zu herkömmlichen, abtragenden bzw. umformenden Technologien in steigendem Maße mit...
Prozeßkette zur schnellen Produktentwicklung - Technologien, Methoden und Beispiele (1993)
Die Produktherstellung muß als gesamtheitlicher Prozeß verstanden werden, in dem sich verschiedene Technologien gegenseitig bedingen und beeinflußen. In der folgenden Ausarbeitung wird zunächst...
Data models and information technology for the production of prototypes (1993)
Steger, W., Geiger, M., Haller, T.
This paper gives an overview of the present status and requirements of information flow in the production of prototypes. Proposals for future information technology and the integration of Rapid...
Strohscheer, I., Kleinert, R., Westphal, C., Schüller, J., Werner, K., Anders, O., ...
Peer Reviewed
Geiger, M., Schmitt, H., Steger, W.
Unter den Begriffen Rapid Prototypeing, Generative Fertigungsverfahren, Desktop Manufacturing werden verschiedene neue Technologien zur additiven Herstellung von Musterteilen zusammengefaßt. Bei...
A 25-kD inhibitor of actin polymerization is a low molecular mass heat shock protein (1991)
MIRON, T, Vancompernolle, Katia, VANDEKERCKHOVE, J, WILCHEK, B, GEIGER, M
SCHLÜTER, M., GEIGER, M., JACKMAN, W.M., NACCARELLI, G. V.
Transcatheter ablation of a left posterolateral free wall accessory atrioventricular pathway using radiofrequency current and a bipolar epicardial–endocardial electrode configuration was attempted...
FEM-Berechnung von Schrumpfverbindungen unter radialem Innendruck. (1979)
Lange, K., Geiger, M., Kraemer, G.
KfK-CAD 133 (Mai 79)
Analytische Berechnung von Schrumpfverbindungen unter radialem Innendruck. (1979)
Lange, K., Geiger, M., Rebholz, M.
KfK-CAD 98 (Mai 79)
Dolashka, P, Genov, N, Parvanova, K, Voelter, W, Geiger, M, Stoeva, S
1. The stability towards pH changes, thermal and chemical (guanidine hydrochloride) denaturation of the oxy- and apo-forms of the native Rapana thomasiana haemocyanin and its structural subunits,...
Regulation of phospholipase D isoenzymes by transforming Ras and atypical protein kinase C-iota.
Mwanjewe, J, Spitaler, M, Ebner, M, Windegger, M, Geiger, M, Kampfer, S, ...
The activation of phospholipase D (PLD) by transforming Ras is well documented. Although two distinct PLD isoforms, PLD1 and PLD2, have been cloned from mammalian cells, it has remained unclear...
Dolashka, P, Genov, N, Parvanova, K, Voelter, W, Geiger, M, Stoeva, S
1. The stability towards pH changes, thermal and chemical (guanidine hydrochloride) denaturation of the oxy- and apo-forms of the native Rapana thomasiana haemocyanin and its structural subunits,...
Regulation of phospholipase D isoenzymes by transforming Ras and atypical protein kinase C-iota.
Mwanjewe, J, Spitaler, M, Ebner, M, Windegger, M, Geiger, M, Kampfer, S, ...
The activation of phospholipase D (PLD) by transforming Ras is well documented. Although two distinct PLD isoforms, PLD1 and PLD2, have been cloned from mammalian cells, it has remained unclear...