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In addition to traditional methods in product development, the increasing availability of two new 3D digital technologies, namely digital manufacturing (3D-printing) and digitizing of surfaces (3D-scanning), offer new opportunities in product development processes today. With regard to the systematic implementation of these technologies in the education of students in the field of product development, however, only a small number of approaches exist so far. This paper explores several ways in which 3D digital technologies can productively be used in design education. The innovative aspects here include that the students assemble and install the 3D-printers themselves, and that they are introduced to an approach that combines 3D-scanning followed by 3D-printing.
Additive Manufacturing and Reverse Engineering have increasingly been gaining in importance over the past years. This paper investigates the current status of the implementation of these new technologies in design education and also identifies current shortcomings. Then it develops two new approaches for the teaching of the necessary expertise for the design of 3D-printed components and illustrates these with case studies. First, a workshop is presented in which students gain a broad understanding for the functionalities of additive manufacturing and the creative possibilities and limits of this process, through the assembly and installation of a 3D-printer. A second new approach is the combination of reverse engineering and 3D-printing. Thereby, students learn how to deal with this complex process chain. The result of these new approaches can e.g. be seen in the design guidelines for Additive Manufacturing, which were developed by the students themselves. At the same time, the students are able to estimate opportunities and limits of both technologies. Finally, the success of the new course contents and form is reviewed by an evaluation by the students.
Eye-Tracking-Analyse des Betrachtungsverhaltens bei Micro-Präsentationen in der CAE-Ausbildung
(2015)
Die Zielsetzung des vorliegenden Beitrags ergibt sich aus der persönlichen Motivation der Autoren, das visuelle Verhalten und das Handeln vom jungen Ingenieur beim Micro-Präsentieren technischer Inhalte und Lösungsergebnisse in bildlicher und begrifflicher Form besser zu verstehen und somit effizienter unterstützen zu können. Dabei wurden mehrere Einzelpersonen aus dem Studiengang des Maschinenbaus der Hochschule Offenburg mit Hilfe der Eye-Tracking-Technick beobachtet. Die Probanden befinden sich im 6. Semester, sind im Alter von 21 bis 24 Jahren und zeichnen sich durch einen einheitlichen Ausbildungsstand aus. Die Versuchszeit für die Präsentation der Aufgabe betrug 100 Sekunden. Die Analyse der gewonnenen Daten dieser empirischen Laboruntersuchung erlaubt erste Einblicke in die visuelle Wahrnehmung technischer Objekte beim Vortragen.