@inproceedings{22443, abstract = {{Additive Manufacturing (AM) processes generate plastic or metal parts layer-by-layer without using formative tools. The resulting advantages highlight the capability of AM to become an inherent part within the product development. However, process specific challenges such as a high surface roughness, the stair-stepping effect or geometrical deviations inhibit the industrial establishment. Thus, additively manufactured parts often need to be post-processed using established manufacturing processes. Many process parameters and geometrical factors influence the manufacturing accuracy in AM which can lead to large deviations and high scatterings. Published results concerning these deviations are also difficult to compare, because they are based on several geometries that are manufactured using different processes, materials and machine settings. It is emphasized that reliable tolerances for AM are difficult to define in standards. Within this investigation, a uniform method was developed regarding relevant test specimens to examine geometrical deviations for Laser Beam Melting (LBM), Fused Deposition Modeling (FDM) and Selective Laser Sintering (SLS) in order to derive geometrical tolerance values. The manufactured test specimens were measured using tactile and optical systems to examine the occurring geometrical deviations. The results show possible geometrical tolerance values that were classified according to the international standard DIN EN ISO 286-1.}}, author = {{Lieneke, Tobias and Künneke, Thomas and Schlenker, Fabian and Denzer, Vera and Zimmer, Detmar}}, booktitle = {{Special Interest Group Meeting: Advancing Precision in Additive Manufacturing}}, title = {{{Manufacturing Accuracy In Additive Manufacturing: A Method To Determine Geometrical Tolerances}}}, doi = {{https://www.euspen.eu/knowledge-base/AM19129.pdf}}, year = {{2019}}, } @article{22444, author = {{Künneke, Thomas and Zimmer, Detmar}}, isbn = {{0937-4167}}, journal = {{konstruktionspraxis}}, pages = {{24--26}}, publisher = {{Vogel Communications Groupe GmbH & Co. KG}}, title = {{{Schall mittels Pulver dämpfen}}}, volume = {{6}}, year = {{2019}}, } @inproceedings{22000, abstract = {{Requirement changes are a major cause for project failure. A systematic approach to manage those changes from the very beginning should be an in-tegral part of each development project. Although this is accepted in both sci-ence and industry, there is no adequate approach to tackle the issue, especially in the context of interdisciplinary systems. In this paper, a secondary analysis is done to identify all information that is necessary to manage those changes efficiently. The demanded information is pictured in a reference model and then mapped with the capabilities of existing approaches. Based on this, research gaps are identified and used to guide future research efforts. }}, author = {{Gräßler, I. and Oleff, C.}}, booktitle = {{Design for X - Beiträge zum 30. DfX-Symposium }}, pages = {{49--60}}, title = {{{Risikoorientierte Analyse und Handhabung von Anforderungsänderungen}}}, doi = {{ 10.35199/dfx2019.5}}, volume = {{30}}, year = {{2019}}, } @inproceedings{22001, abstract = {{In diesem Beitrag wird ein Ansatz vorgestellt, welcher die Bewertung des Risikos von Anforderungsänderungen in der Entwicklung mechatronischer Systeme ermöglicht. Ausgehend von einer Anforderungsliste werden die Wechselwirkungen in einer Requirements Structure Matrix (RSM) teilautomatisch erfasst. Parallel werden Anforderungen in Bezug auf ihren Ursprung („Einflussbereich“) kategorisiert und darauf aufbauend priorisiert. Diese Priorisierung basiert auf dem Veränderungsrisiko und wird durch die drei Kriterien „Dynamik“, „Unsicherheit der Wissensbasis“ und „Relevanz für den Entwicklungsprozess“ charakterisiert. Das Vorgehen wird anhand strukturierter Interviews mit Projektleitern und Entwicklern und der Fallstudie eines Pedelecs als mechatronischem System validiert. Durch die Anwendung der Methode können disziplinübergreifende Abhängigkeiten von Anforderungen zur Reduktion von Iterationen in der Entwicklung mechatronischer Systeme – wie dem Pedelec – berücksichtigt werden.}}, author = {{Gräßler, I. and Oleff, C. and Scholle, P.}}, booktitle = {{Fachtagung Mechatronik 2019 Paderborn}}, pages = {{S. 1--6}}, title = {{{Priorisierung von Anforderungen für die Entwicklung mechatronischer Systeme}}}, doi = {{ 10.17619/UNIPB/1-791}}, year = {{2019}}, } @inproceedings{22002, abstract = {{In diesem Beitrag wird ein Ansatz vorgestellt, welcher die Bewertung des Risikos von Anforderungsänderungen in der Entwicklung mechatronischer Systeme ermöglicht. Ausgehend von einer Anforderungsliste werden die Wechselwirkungen in einer Requirements Structure Matrix (RSM) teilautomatisch erfasst. Parallel werden Anforderungen in Bezug auf ihren Ursprung („Einflussbereich“) kategorisiert und darauf aufbauend priorisiert. Diese Priorisierung basiert auf dem Veränderungsrisiko und wird durch die drei Kriterien „Dynamik“, „Unsicherheit der Wissensbasis“ und „Relevanz für den Entwicklungsprozess“ charakterisiert. Das Vorgehen wird anhand strukturierter Interviews mit Projektleitern und Entwicklern und der Fallstudie eines Pedelecs als mechatronischem System validiert. Durch die Anwendung der Methode können disziplinübergreifende Abhängigkeiten von Anforderungen zur Reduktion von Iterationen in der Entwicklung mechatronischer Systeme – wie dem Pedelec – berücksichtigt werden.}}, author = {{Gräßler, I. and Thiele, H. and Oleff, C. and Scholle, P. and Schulze, V.}}, booktitle = {{International Conference on Engineering Design (ICED19)}}, pages = {{1265--1274}}, title = {{{Priorisierung von Anforderungen für die Entwicklung mechatronischer Systeme}}}, doi = {{10.17619/UNIPB/1-791}}, year = {{2019}}, } @inproceedings{22022, abstract = {{Due to the great popularity of the Fused Deposition Modeling (FDM) process, the material market is growing. In particular, processing of high-temperature materials such as PEEK is demanding. The aim of the investigations is to test different PEEK materials regarding their processability in the FDM process. An unreinforced PEEK, a thermally conductive PEEK as well as a carbon fiber reinforced PEEK are investigated. The processability is assessed with the help of the weld seam strength. The assessment of the weld seam strength is carried out by building tests. For this purpose, a special method developed at the DMRC is used. In addition, a welding width factor between the strands deposited on each other is calculated and compared. Finally, a welding factor is determined to enable the comparison between the different materials. With this procedure, the influence of varying nozzle and build chamber temperatures on the achievable weld seam strengths is evaluated.}}, author = {{Moritzer, Elmar and Wächter, Julian and Elsner, M.}}, booktitle = {{30th Annual International Solid Freeform Fabrication Symposium}}, pages = {{856--863}}, title = {{{Investigation of the Processability of Different PEEK Materials in the FDM Process with Regard to the Weld Seam Strength}}}, doi = {{http://utw10945.utweb.utexas.edu/sites/default/files/2019/074%20Investigation%20of%20The%20Processability%20of%20Different%20P.pdf}}, volume = {{30}}, year = {{2019}}, } @article{22047, abstract = {{Plastic freeforming (PF) is an additive-manufacturing process for producing three-dimensional plastic parts based on 3D CAD data by applying plastic droplets in layers. This process is used to produce customer-specific and complex geometries (prototypes and small series) on organic sheets. A comparable serial process is the injection of a second component onto organic sheets by injection molding. A sufficient bond between the PF structure and the organic sheets is of particular importance for each application. If this is not guaranteed, the composite system cannot withstand the mechanical load and fails. The force exerted on the system can no longer be transmitted between the PF structure and the organic sheet. The organic sheet is made of glass fiber-reinforced polypropylene (PP). The connection between the organic sheet and the PF structure is achieved by welding the molten polymer droplets and the surface of the organic sheet. The PF structures are made of PP to ensure sufficient compatibility with regard to the weldability of the components. The processing of PP in the PF process is a challenge because PP is a semicrystalline material. The shrinkage of semi-crystalline materials is significantly higher compared to amorphous materials. Due to the layered structure of the components, the shrinkage of the individual layers results in undesired warpage. The adhesive strength between the organic sheet and the PF structure is investigated by determining the bending strength in the 3-point bending test. The investigations include an optimization of the process parameters to maximize the adhesive strength. The experimental investigations show that an increase of the nozzle and build chamber temperature leads to a higher adhesive strength. In further investigations, the temperature of the nozzle shows no significant influence on the surface temperature despite the expected heat radiation. The surface temperature is almost only dependent on the temperature of the build chamber.}}, author = {{Moritzer, Elmar and Hirsch, André and Heim, H.P. and Cherif, C. and Truemper, W.}}, journal = {{Welding in the World}}, pages = {{867--873}}, publisher = {{Springer}}, title = {{{Plastic droplet welding: bond strength between plastic freeforming structures and continuous fiber-reinforced thermoplastic composites}}}, doi = {{10.1007/s40194-019-00714-3}}, volume = {{63}}, year = {{2019}}, } @inproceedings{22028, abstract = {{The mechanical properties of thin-walled plastic components are limited. One approach to improve the strength or stiffness of these components is to reinforce the thin-walled areas with an individually adapted Fused Deposition Modeling structure. Fused Deposition Modeling (FDM) is one of the most commonly used additive manufacturing processes. This process is characterized by the deposition of a fused, thermoplastic filament. Depending on the form of the reinforcement structure, the resulting hybrid structure should show higher strength or stiffness. The objective of the project is to determine constructive design and process guidelines for FDM structures. The FDM structure is to be used as a partial reinforcement for lightweight components and be adapted to the respective load conditions. Because of the lightweight application, the FDM structure should also have the lowest possible weight. The optimization of the FDM parts for different load cases is realized by adapting the design parameters. These parameters influence the layer generation and therefore also the inner structure of the FDM parts. In preliminary studies, the manufacturing restrictions of the FDM process are defined. The specimens are manufactured based on the Design of Experiments. To determine the static strength properties, different tests (tensile, compression, flexural, torsion and impact) are carried out. The investigations show that the filling strategy affects the mechanical properties. As a result of the investigations, design and process guidelines for the FDM structures are established according to the load conditions.}}, author = {{Moritzer, Elmar and Hirsch, André and Bürenhaus, Franziska Isabelle}}, booktitle = {{AIP Conference Proceedings}}, number = {{1}}, publisher = {{AIP Publishing}}, title = {{{Development and Modeling of Design and Process Guidelines for FDM Structures for the Partial Reinforcement of Hybrid Structures}}}, doi = {{10.1063/1.5088314}}, volume = {{2065}}, year = {{2019}}, } @inproceedings{22027, abstract = {{Additive manufacturing processes, like the Fused Deposition Modeling (FDM) process, do not need product-specific tools and create parts directly from the CAD data. In the FDM process, the semi-finished product, a wire of a thermoplastic polymer, is melted and forced through a nozzle. The continuous positioning of this nozzle allows the polymer to weld together strand by strand and layer by layer to produce a component. Because no mold is used in the FDM process, no holding pressure can be generated as in injection molding processes, in which the holding pressure is used to minimize the shrinkage and warpage of the part. In the FDM process, the part is generated in an ambient pressure environment. Each strand cools down and shrinks separately. This causes residual stresses in the part that can lead to major warpage and a complete stoppage of the process. This is the main reason why the material selection in the FDM process is restricted in comparison to conventional polymer processing technologies. In this paper, the warpage of different polymers is quantified as a criterion for evaluating the processability of polymers in the FDM process. Due to the process principle, the part properties in the FDM process are mainly influenced by the machine quality and the data processing, so that it is difficult to test a material for FDM independently of the machine and the data processing. Considering these influences, a custom-built specimen is created to test and quantify the warpage of different types of blended and reinforced polyamide 6. Considering the experimentally investigated warpage, the materials can be evaluated and the warpage can be related to the shrinkage investigated in pvT measurements. This procedure allows the machine- and process-independent rating of the processability in terms of warpage for different materials. Alongside other criteria, this is a necessary step to develop new materials with good processability in the FDM process.}}, author = {{Schöppner, Volker and Schumacher, C. and Fels, C.}}, booktitle = {{AIP Conference Proceedings}}, publisher = {{AIP Publishing}}, title = {{{A Method to Evaluate the Process-Specific Warpage for Different Polymers in the FDM Process}}}, doi = {{10.1063/1.5088315}}, year = {{2019}}, } @book{22026, abstract = {{Das Fused Deposition Modeling (FDM) ist ein etabliertes additives Fertigungsverfahren zur Her-stellung von thermoplastischen Kunststoffbauteilen. In dem vorliegenden Beitrag sind FDM-Verstärkungsstrukturen aus dem Material Ultem 9085 dynamischen Langzeituntersuchungen un-terzogen worden. Dabei wurde die innere Struktur der Probekörper über eine Parametervariation verändert, sodass anschließend die signifikanten Einflussfaktoren auf die Langzeitfestigkeit un-ter dynamischer Belastung identifiziert und analysiert werden konnten. Mit dieser Vorgehens-weise sollte gleichzeitig eine Optimierung der FDM-Verstärkungsstrukturen hinsichtlich der dy-namischen Langzeiteigenschaften bei Biege- und Druckbelastungen vorgenommen werden. Des Weiteren sind anhand der Probekörper die auftretenden Bruch- und Rissausbreitungsmechanis-men analysiert worden. Anhand der ermittelten Wöhlerkurven kann die Lebensdauer unter dy-namischer Belastung abgeschätzt werden. Außerdem zeigen die Untersuchungen, dass Fehlstel-len durch eine hohe Strangbreite und Überfüllungen im Bauteil für Schwachstellen in den FDM-Verstärkungsstrukturen sorgen, an denen Risse bei Druckbelastung entstanden sind und sich dadurch schneller ausbreiten konnten.}}, author = {{Moritzer, Elmar and Hirsch, André and Paulus, S.}}, isbn = {{978-3-658-27411-5}}, pages = {{185--198}}, publisher = {{Springer Vieweg}}, title = {{{Rissausbreitungsmechanismen in FDM-Verstärkungsstrukturen unter dynamischer Beanspruchung}}}, doi = {{10.1007/978-3-658-27412-2}}, year = {{2019}}, } @inproceedings{22041, abstract = {{The Arburg Plastic Freeforming (APF) is an additive manufacturing process that allows three-dimensional, thermoplastic components to be produced in layer by layer. The components are generated by depositing fine, molten plastic droplets. One of the main advantages of the APF process is the open machine control. Thus, the process parameters can be adapted and optimized for the individual applications. The optimization is carried out on the basis of a variation of the process parameters using a statistical design of experiments. Relevant process parameters are the layer thickness, the form factor, the raster and delta angle as well as the overlap between the contour and the filling of a layer. In addition, the nozzle and build chamber temperatures are varied. Using this procedure, the effects of the influencing parameters on the mechanical properties and the interactions between the influencing parameters are analyzed and converted into mathematical models. On the basis of the results and the models, guidelines will be developed to assist the user of APF technology in the systematic process configuration for their own applications. The material used is ABS, one of the most frequently used amorphous thermoplastics in additive manufacturing. The mechanical properties are determined on the basis of tensile tests and the characteristic values tensile strength, elongation at break and Young's modulus. The results should show the performance of the APF technology in regard to the mechanical properties.}}, author = {{Moritzer, Elmar and Hirsch, André and Hecker, Felix}}, booktitle = {{30th Annual International Solid Freeform Fabrication Symposium}}, pages = {{705--714}}, title = {{{Process Parameter Optimization to Improve the Mechanical Properties of Arburg Plastic Freeformed Components}}}, doi = {{http://dx.doi.org/10.26153/tsw/17308}}, volume = {{30}}, year = {{2019}}, } @inproceedings{22202, abstract = {{Structural parts for aviation have very high demands on the development and production process. Therefore, the entire process must be considered in order to produce high-quality AM metal parts. In this case study, a conventional part was selected to be optimized for AM. The process presented includes component selection, design improvement with a novel approach for topology optimization based on the AMendate algorithm as basis of MSC Apex Generative Design,component production on a SLM 250 HL and post-processing including heat treatment and surface smoothing. With the topology optimization a weight reduction of ~60 % could be realized, whereby the stress distribution is more homogeneous. Furthermore, the challenges of support optimization and post-processing have to be addressed, in order to produce competitive parts.}}, author = {{Klippstein, Sven Helge and Duchting, Anne and Reiher, Thomas and Hengsbach, F. and Menge, Dennis and Schmid, Hans-Joachim}}, booktitle = {{30th Annual International Solid Freeform Fabrication Symposium}}, pages = {{1932--1945}}, title = {{{Devolopment, Production and post-processing of a topology optimized aircraft bracket }}}, volume = {{30}}, year = {{2019}}, } @inproceedings{22441, abstract = {{According to ISO / ASTM 52900, additive manufacturing (AM) is defined as "the process of joining materials to make parts from 3D model data, usually layer upon layer, as opposed to conventional manufacturing including subtractive manufacturing technologies and formative manufacturing methodologies” [1]. This results in significant advantages over conventional manufacturing methodologies, such as the production of topologically optimized, complex structures, lower material consumption or shorter product development cycles. In order to be able to use these advantages, the possibilities and restrictions of the processes must be known. In particular, selective laser beam melting (SLM), in which a powdery metallic starting material is melted by means of a laser, requires a sound understanding of the process. For this purpose, design guidelines have been presented in various scientific papers. These design guidelines help to design a component in such a way that it can be manufactured successfully using additive manufacturing. These so-called “AMsuitable design guidelines” can be found among others at Adam, Kranz and Thomas [2,3,4,5]. In contrast to established manufacturing processes, the post-processing of additive components is divided into two steps. First, the AM immanent post processing, such as the removing of the component from the building platform or the removing of the remaining powder. These post-processing steps are in the following referred to “post-processing”. Secondly, the subsequent post-processing steps to improve the component properties, such as milling and turning or a stress-relief annealing. These are referred to as “finishing” and form the focus of this paper. With regard to a successful finishing of additively manufactured components, design guidelines must be taken into account that consider the finishing inherent restrictions and possibilities. In the following, these design guidelines are referred to “finishing suitable”. They can deviate significantly from those of conventionally manufactured components in the case of additively manufactured components. Although there are some investigations that deal with the post-processing of additively manufactured components [6,7], there are hardly any design guidelines that are suitable for finishing [8]. Therefore, knowledge about the finishing of additively manufactured components is based on experimental experience rather than on scientific knowledge. For this reason, design guidelines for a finishing suitable design must be methodically determined and quantified. These quantified design guidelines can be used for an automated design check on complex components like topology optimized geometries.}}, author = {{Lammers, Stefan and Tominski, Johannes and Zimmer, Detmar}}, booktitle = {{II International Conference on Simulation for Additive Manufacturing Sim-AM 2019 11-13 September, 2019}}, isbn = {{978-84-949194-8-0}}, pages = {{174--185}}, title = {{{Guidelines for post processing oriented design of additive manufactured parts for use in topology optimization}}}, doi = {{http://congress.cimne.com/sim-am2019/frontal/doc/EbookSim-AM2019.pdf}}, year = {{2019}}, } @inproceedings{22183, abstract = {{Function integration is a key issue for an efficient and economic usage of Additive Manufacturing. An efficient heat transfer by topology optimized structures is a rarely considered approach which will be outlined with an exemplary electronic housing which has been newly designed. A commercial projector unit, whose electrical components in total produce 38 W, shall be integrated in the closed housing and passively cooled by natural convection. Topology optimized structures shall be generated in the inner part of the housing to transfer the heat homogenously from the projector components to the housing wall while simultaneously minimizing the mass. At the outside of the housing walls, lattice and rib structures are applied to increase the effective surface for heat transfer by natural convection and radiation. Furthermore, the housing geometry is optimized regarding a minimization of support structures to reduce the post-processing effort. Finally, the housing shall be built of AlSi10Mg by SLM.}}, author = {{Menge, Dennis and Delfs, Patrick and Töws, Marcel and Schmid, Hans-Joachim}}, booktitle = {{29th Annual International Solid Freeform Fabrication Symposium}}, pages = {{687--697}}, title = {{{Topology Optimized Heat Transfer Using the Example of an Electronic Housing}}}, volume = {{29}}, year = {{2018}}, } @article{22196, abstract = {{The influence of selective laser sintering (SLS) parameters on PA12 part properties is well known, but research on other materials is rare. One alternative material is a thermoplastic elastomer (TPE) called PrimePart ST that is more elastic and shows a distinct SLS processing behavior. It undergoes a three-dimensional temperature distribution during the SLS process within the TPE part cake. To examine this further, a temperature measurement system that allows temperature measurements inside the part cake is applied to TPE in the present work. Position-dependent temperature histories are directly correlated with the color and mechanical properties of built parts and are in very good agreement with artificial heat treatment in a furnace. Furthermore, it is clearly shown that the yellowish discoloration of parts in different intensities is not only temperature dependent but also influenced by the residual oxygen content in the process atmosphere. Nevertheless, the discoloration has no influence on the mechanical part properties.}}, author = {{Kummert, Christina and Josupeit, Stefan and Schmid, Hans-Joachim}}, journal = {{Journal of Minerals, Metals and Materials Society}}, number = {{3}}, pages = {{425--430}}, publisher = {{Springer}}, title = {{{Thermoplastic Elastomer Part Color as Function of Temperature Histories and Oxygen Atmosphere During Selective Laser Sinterung}}}, doi = {{10.1007/s11837-017-2658-2}}, volume = {{70}}, year = {{2018}}, } @inproceedings{22430, author = {{Urbanek, Stefan and Ponick, Bernd and Taube, Alexander and Hoyer, Kay-Peter and Schaper, Mirko and Lammers, Stefan and Lieneke, Tobias and Zimmer, Detmar}}, booktitle = {{Conference paper, 2018 IEEE Transportation Electrification Conference and Expo (ITEC), Juni 2018, DOI: 10.1109/ITEC.2018.8450250}}, title = {{{Additive Manufacturing of a Soft Magnetic Rotor Active Part and Shaft for a Permanent Magnet Synchronous Machine}}}, year = {{2018}}, } @inproceedings{22433, author = {{Tominski, Johannes and Lammers, Stefan}}, booktitle = {{14th PERMAS Users' Conference}}, isbn = {{978-3-926494-18-4}}, title = {{{Software-assisted design check of additive manufactured components}}}, doi = {{https://www.semanticscholar.org/paper/METHOD-FOR-A-SOFTWARE-BASED-DESIGN-CHECK-OF-Tominski-Lammers/83e141f55b33041ade5e661958b449047d6f026e#extracted}}, volume = {{14}}, year = {{2018}}, } @inproceedings{22434, abstract = {{This paper reports on the experimental development and the theoretical analysis of the scanning laser epitaxy (SLE) process that is currently being investigated and developed at the Georgia Institute of Technology. SLE is a laser-based manufacturing process for deposition of equiaxed, directionally solidified and single-crystal nickel superalloys onto superalloy substrates through the selective melting and re-solidification of superalloy powders. The thermal modeling of the system, done in a commercial CFD software package, simulates a heat source moving over a powder bed and considers the approximate change in the property values for consolidating CMSX-4 nickel superalloy powder. The theoretical melt depth is obtained from the melting temperature criteria and the resulting plots are presented alongside matching experimental micrographs obtained through cross-sectional metallography. The influence of the processing parameters on the microstructural evolution, as evidenced through observations made from the micrographs, is discussed. This work is sponsored by the Office of Naval Research, through grants N00173-07-1-G031 and N00014-10-1-0526.}}, author = {{Tominski, Johannes and Lammers, Stefan and Wulf, Christian and Zimmer, Detmar}}, booktitle = {{29th Annual International Solid Freeform Fabrication Symposium}}, title = {{{Method for a Software-based Design Check of Additively Manufactured Components}}}, doi = {{http://utw10945.utweb.utexas.edu/sites/default/files/2018/006%20MethodforaSoftwareBasedDesignCheckofAdditi.pdf}}, volume = {{29}}, year = {{2018}}, } @inproceedings{22435, abstract = {{In der Industrie entsteht aufgrund des dynamischen Wettbewerbsumfelds ein zunehmender Drang nach verkürzten Produktentstehungszeiten, hoher Funktionsintegration und individualisierten Produkten. Mithin erlangen additive Fertigungsverfahren eine zunehmende industrielle Bedeutung. Das Laser-Strahlschmelzen (LBM) als additives Verfahren ist hierbei beispielhaft hervorzuheben, da es bereits im Bereich des Prototypenbaus und der Kleinserienfertigung ein etabliertes Verfahren ist, das an der Schwelle zum Einsatz in der Serienproduktion steht. Entscheidendes Hemmnis für den Einsatz der additiven Fertigungsverfahren bildet die fehlende methodische Ausnutzung der gestalterischen Freiheiten und Randbedingungen durch die vergleichsweise neuartige Gruppe an Fertigungsverfahren im gesamten Produktentstehungsprozess. In der Produktentwicklung bildet die Konstruktionsmethodik einen möglichen Ansatz, um gestalterische Freiheiten und Vorteile additiver Fertigungsverfahren bereits in frühen Phasen der Entwicklung gezielt zu berücksichtigen. Hierfür werden aufgrund bestehender und allgemein anerkannter Konstruktionsmethoden (z.B. VDI2221, Pahl/Beitz, etc.) Anknüpfungspunkte aufgezeigt, die eine Implementierung, speziell des Laser-Strahlschmelzens, ermöglichen. Besonderes Augenmerk wird in dieser Veröffentlichung auf die beiden Konstruktionsphasen Konzeption und Gestaltung gelegt. Hierzu werden Ergänzungen oder Anpassungen der bestehenden Konstruktionsmethoden vorgestellt. In besonderer Weise wird dabei auf die Einbringung und die Vorteile der additiven Fertigungsverfahren eingegangen.}}, author = {{Künneke, Thomas and Bücker, Sonja and Lieneke, Tobias and Zimmer, Detmar}}, booktitle = {{Proceedings of the 15th Rapid.Tech Conference}}, isbn = {{978-3-446-45812-3}}, pages = {{128--143}}, publisher = {{Carl Hanser Verlag GmbH & Co. KG}}, title = {{{Ein Beitrag zur Anpassung bestehender Konstruktionsmethodiken an die additiven Fertigungsverfahren}}}, doi = {{10.3139/9783446458123.008}}, year = {{2018}}, } @article{22436, abstract = {{Die Additive Fertigung eröffnet neue Freiheitsgrade in der Produktentwicklung. Unsicherheiten über die Wirtschaftlichkeit und Leistungsfähigkeit der aus der Konstruktion ableitbaren Fertigungstechnologieketten sind zu beachten. In diesem Beitrag wird eine Methode vorgestellt, welche die Anpassung einer bestehenden Konstruktionsmethode berücksichtigt und eine iterative Bewertung der Konstruktionsentscheidungen anhand von Technologieketten ermöglicht. Hiermit können die Potenziale der additiven Fertigungstechnologien zielgerichtet realisiert werden.}}, author = {{Jacob, Alexander and Künneke, Thomas and Lieneke, Tobias and Baumann, Tobias and Stricker, Nicole and Zimmer, Detmar and Lanza, Gisela}}, journal = {{ZWF Zeitschrift für wirtschaftlichen Fabrikbetrieb}}, number = {{11}}, pages = {{742--745}}, publisher = {{Carl Hanser Verlag}}, title = {{{Iterative Produktentwicklung und Produktionsplanung für die Additive Fertigung}}}, doi = {{https://doi.org/10.3139/104.112005}}, volume = {{113}}, year = {{2018}}, }