• Investigations on Additively Manufactured Stainless Bearings 

  Coors, Timm; Faqiri, Mohamad Yusuf; Saure, Felix; Kahra, Christoph; Buedenbender, Christoph; Peddinghaus, Julius; Prasanthan, Vannila; Pape, Florian; Hassel, Thomas; Herbst, Sebastian; Nuernberger, Florian; Wester, Hendrik; Uhe, Johanna; Breidenstein, Bernd; Denkena, Berend; Behrens, Bernd-Arno; Poll, Gerhard; Maier, Hans Juergen (Basel : MDPI, 2022)

  Additive manufacturing with multi-material design offers great possibilities for lightweight and function-integrated components. A process chain was developed in which hybrid steel–steel-components with high fatigue strength ...
• Investigations into Flux-Free Plasma Brazing of Aluminum in a Local XHV-Atmosphere 

  Klett, Jan; Bongartz, Benedict; Viebranz, Vincent Fabian; Kramer, David; Hao, Chentong; Maier, Hans Juergen; Hassel, Thomas (Basel : MDPI, 2022)

  As a lightweight construction material, aluminum plays a key role in weight reduction and, thus, sustainability in the transport industry. The brazing of aluminum and its alloys is impeded by the natural passivating oxide ...
• In-Situ Characterization of Microstructural Changes in Alloy 718 during High-Temperature Low-Cycle Fatigue 

  Barton, Sebastian; Weiss, Maximilian K.-B.; Maier, Hans Juergen (Basel : MDPI, 2022)

  Components made of nickel-based alloys are typically used for high-temperature applications because of their high corrosion resistance and very good creep and fatigue strength, even at temperatures around 1000 °C. Corrosive ...
• Approaches to tailor the cooling supply to the grinding process 

  Denkena, Berend; Bergmann, Benjamin; Gartzke, Tobias; Wilckens, Michael ([Cham] : Springer International Publishing, 2022)

  This study presents original research of the investigation of the coolant supply to the contact area with two different approaches. The cooling and lubrication are key aspects of manufacturing processes such as grinding ...
• Experimental Investigations on Wear in Oscillating Grease-Lubricated Rolling Element Bearings of Different Size and Type 

  Bayer, Gernot; Bartschat, Arne; Wandel, Sebastian; Baust, Sebastian; Poll, Gerhard (Basel : MDPI, 2023)

  Grease-lubricated rolling element bearings can suffer from wear due to lubricant starvation under certain oscillating operating conditions. Especially for large-scale slewing bearings, such as blade bearings in wind turbines, ...
• Integrated Optical Deformation Measurement with TIR Prism Rods 

  Wolf, Alexander (Basel : MDPI, 2023)

  In this paper, a novel optical measurement principle for deformation, especially torsion, is presented. A laser beam is guided via total internal reflection (TIR) in a prism rod. Every single reflection causes an increasing ...
• Roboterkomponenten für den kryogenen Arbeitsraum : Entwicklung von Festkörpergelenken und monolithischen Greifersystemen für eine Parallelroboterstruktur 

  Jahn, Philipp; Ihmig, Frank R.; Olsommer, Yves; Biehl, Margit; Raatz, Annika (Hannover : DKV, 2020)

  In der heutigen Industrie ist die Automatisierung ein allgegenwärtiger Faktor, selbst in Nischenanwendungen wie der Kryokonservierung. Die manuelle Handhabung von biologischen oder toxischen Proben ist in Forschungseinrichtungen ...
• Induktive Energieübertragung in eine kryogene Umgebung : Design und Charakterisierung einer drahtlosen Energieübertragungsstrecke für den Betrieb einer Greiferaktorik 

  Olsommer, Yves; Jahn, Philipp; Raatz, Annika; Ihmig, Frank R. (Hannover : DKV, 2022)

  In der Forschung und Industrie ist die Automatisierung allgegenwärtig und findet ihren Weg in immer mehr hochspezialisierte Anwendungen - einschließlich der Kryokonservierung. Dennoch ist die manuelle Handhabung von ...
• Development of a Methodology for the Determination of Conceptual Automated Disassembly Systems 

  Wolff, Julius; Kolditz, Torge; Günther, Lutz; Raatz, Annika (Berlin : Springer Vieweg, 2017)

  At a certain point in its life cycle, a product will reach a condition where it partly or completely loses its functionality. When this happens, the disassembly has the ambition to regenerate a product-value or to enable ...
• A Learning Method for Automated Disassembly 

  Wolff, Julius; Kolditz, Torge; Raatz, Annika (Cham : Springer, 2018)

  While joining tolerances, and therefore forces, are known in the assembly process, the determination of disassembly forces is not possible. This is caused by changes in the product properties during the product operation, ...
• Flexible Aerodynamic Part Feeding Using High-Speed Image Processing 

  Kolditz, Torge; Müller, P.; Bansmann, D.; Raatz, Annika (Cham : Springer, 2021-09-05)

  In modern assembly systems, manufacturers expect a high level of flexibility and efficiency. As an interface between internal logistics and the actual assembly, part feeding technology plays a decisive role in the manufacturing ...
• Alignment Process for Glass Substrates Using Electrostatic Self-Assembly 

  Stucki, Martin; Schumann, Christoph; Raatz, Annika (Berlin : Springer Nature, 2021)

  Sequential precision placing and bonding of components is time-consuming and expensive. Electrostatic self-assembly is a process for the parallel alignment of flat parts. Fluid between the parts acts as bearing and dielectric ...
• Investigation on the International State of the Art of Micro Production Technology 

  Hesselbach, J.; Raatz, A.; Wrege, J.; Herrmann, H.; Weule, H.; Fleischer, J.; Buchholz, C.; Tritschler, H.; Knoll, M.; Elsner, J.; Klocke, F.; Weck, M.; von Bodenhausen, J.; von Klitzing, A. (Bedford : Euspen (European Society for Precision Engineering and Nanotechnology), 2003)

  The study “microPRO” dealing with the international state of the art of micro production technology was conducted by the above named Institutes. The objective of this study was to determine the worldwide state-of-the-art ...
• Pseudo-elastic Flexure-Hinges in Robots for Micro Assembly 

  Hesselbach, Jürgen; Raatz, Annika (Bellingham, Wash. : SPIE, 2000)

  The increasing tendency of products towards miniaturization makes the substitution of conventional hinges to flexure hinges necessary, since they can be manufactured almost arbitrarily small. On account of their multiple ...
• Compliant parallel robot with 6 DOF 

  Hesselbach, Jürgen; Raatz, Annika (Bellingham, Wash. : SPIE, 2001)

  In this paper a patented parallel structure1 will be presented in which conventional bearings are replaced by flexure hinges made of pseudo-elastic shape memory alloy. The robot has six degrees of freedom and was developed ...
• Einsatz von Schmelzklebstoffen zur Montage von MEMS und MOEMS 

  Hemken, G.; Böhm, S.; Dilger, K.; Raatz, A.; Rathmann, S. (Berlin [u.a.] : VDE-Verlag, 2007)

  In diesem Beitrag werden die aktuellen Ergebnisse des Teilprojekts B8 aus dem SFB 516 „Konstruktion und Fertigung aktiver Mikrosysteme“ vorgestellt. Ziel dieses Teilprojektes ist, eine geeignete Verbindungstechnik auf Basis ...
• In-Process Laser Scanning Technology for Micro Assembly 

  Rathmann, Sven; Raatz, Annika; Schöttler, Kerstin; Hesselbach, Jürgen (Bedford : Euspen (European Society for Precision Engineering and Nanotechnology), 2007)

  To recognize edges of components in an assembly process, in particular of microelectronic or micro system components, nowadays vision systems are preferred. These systems are working fast but the results strongly depend ...
• Automated Assembly of Hybrid Microsystems 

  Schöttler, Kerstin; Rathmann, Sven; Raatz, Annika; Hesselbach, Jürgen (Bedford : Euspen (European Society for Precision Engineering and Nanotechnology), 2007)

  The paper describes the design of a system for the automated assembly of hybrid microsystems and the accuracies of the components. The influences on the accuracy will be analyzed on the basis of an example for an automated ...
• Influences on the Automated Assembly of Hybrid Microsystems with High Accuracy 

  Hesselbach, Jürgen; Raatz, Annika; Schöttler, Kerstin (Berlin [u.a.] : VDE-Verlag, 2007)

  Nowadays, an ongoing trend of miniaturization of products and components can be observed in nearly all application areas in the world. As for microsystems, a distinction is drawn between monolithic and hybrid microsystems. ...
• Greifsysteme für das Fügen mit schmelzklebstoff-vorbeschichteten Bauteilen zur Fertigung von MEMS und MOEMS 

  Rathmann, Sven; Raatz, Annika; Dietrich, Franz; Hemken, Gregor; Böhm, Stefan (Berlin [u.a.] : VDE-Verlag, 2007)

  Bei der Fertigung dreidimensionaler (MEMS/MOEMS)-Strukturen durch hybride Integration von Einzelbauelementen zu einem Gesamtsystem werden aus prozesstechnischen und wirtschaftlichen Gründen in der Regel batchfähige Prozesse ...

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