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3. Afrika

Author

Helmut Bley

Published
2021

5. Assembly system design and operations for product variety

Author

Terje K. Lien, Helmut Bley, Moshe Shpitalni, Nabil Nasr, Hoda A. ElMaraghy, Yoram Koren, S.J. Hu, Jeonghan Ko, George Chryssolouris, and L. Weyand

Subjects
Engineering, Process (engineering), business.industry, Mechanical Engineering, Mass customization, Context (language use), Industrial and Manufacturing Engineering, Manufacturing engineering, Variety (cybernetics), Component (UML), Systems engineering, Systems design, Product (category theory), business, Remanufacturing
Abstract

Assembly is the capstone process for product realization where component parts and subassemblies are integrated together to form the final products. As product variety increases due to the shift from mass production to mass customization, assembly systems must be designed and operated to handle such high variety. In this paper we first review the state of the art research in the areas of assembly system design, planning and operations in the presence of product variety. Methods for assembly representation, sequence generation and assembly line balancing are reviewed and summarized. Operational complexity and the role of human operators in assembly systems are then discussed in the context of product variety. Challenges in disassembly and remanufacturing in the presence of high variety are presented. We then conjecture a future manufacturing paradigm of personalized products and production and discuss the assembly challenge for such a paradigm. Opportunities for assembly system research are summarized at the end of the paper.

Published
2011

7. Feature-Technologie in der integrierten Produktentstehung

Author

Bernd Schmitt, Lars Weyand, Marc Bossmann, and Helmut Bley

Subjects
Strategy and Management, General Engineering, Management Science and Operations Research
Abstract

Kurzfassung Auf Grund der Globalisierung und dem daraus resultierenden, verschärften Wettbewerb sind die Unternehmen gezwungen ihre Produktion zu optimieren und ihre Konstruktions- und Planungsprozesse zu beschleunigen. Die Feature-Technologie bietet neue Möglichkeiten, um die Produktenstehungszeiten zu reduzieren, die Produkt- und Planungsqualität zu verbessern und auch Kosten einzusparen. Die Vorteile der Feature-Technologie werden in diesem Artikel vorgestellt und ein viel versprechender Ansatz wird aufgezeigt.

Published
2007

8. An Alternative Approach for the Cost-efficient Laser Welding of Zinc-coated Sheet Metal

Author

L. Weyand, A. Luft, and Helmut Bley

Subjects
Computer science, Mechanical Engineering, Butt welding, Metallurgy, Laser beam welding, Mechanical engineering, Welding, Electric resistance welding, Industrial and Manufacturing Engineering, law.invention, Robot welding, law, visual_art, visual_art.visual_art_medium, Friction welding, Body in white, Sheet metal
Abstract

Laser welding becomes more and more important for body in white assembly in automotive industry. But even if the modern technology offers a lot of new possibilities, laser welding of zinc-coated sheet metal is still a challenge – special effort is necessary to produce acceptable weld seams in the lap joint configuration. Already existing concepts oftentimes lead to enlarged process chains and additional costs. Therefore, this paper presents an alternative approach for laser welding of zinc-coated sheet metal with the objective to guarantee high quality laser welding and to save costs. Moreover, first results of welding experiments are shown.

Published
2007

10. Die zwei Seiten der Digitalen Fabrik

Author

Helmut Bley, Jürgen Fritz, and Christian Zenner

Subjects
0209 industrial biotechnology, 021103 operations research, 020901 industrial engineering & automation, Strategy and Management, 0211 other engineering and technologies, General Engineering, 02 engineering and technology, Management Science and Operations Research
Abstract

Kurzfassung Die Digitale Fabrik wird immer wichtiger. Dies zeigt auch das kontinuierlich wachsende Interesse von Groß- und Kleinunternehmen, insbesondere in der Automobilindustrie. Dabei ist die Digitale Fabrik zunehmend als Wettbewerbsfaktor zu betrachten, welcher die notwendige Reaktion auf sich rasch verändernde Produktionsrahmenbedingungen erst ermöglicht. Der vorliegende Beitrag zeigt die Notwendigkeit der differenzierenden Betrachtung der Digitalen Fabrik, die weder als reines Software-Werkzeug noch als reine Methodik verstanden werden darf.

Published
2006

11. Variant-oriented Assembly Planning

Author

Helmut Bley and C. Zenner

Subjects
Engineering, business.industry, Process (engineering), Mechanical Engineering, media_common.quotation_subject, Product description, Industrial and Manufacturing Engineering, Personalization, Product variant, Assembly planning, Risk analysis (engineering), Systems engineering, Quality (business), Product (category theory), Engineering design process, business, media_common
Abstract

To remain competitive, companies have to fulfil the requirements of their customers for individualised products of high quality. Thus, they have to become capable of managing the continuously rising number of product variants, especially in assembly planning. As the current variant management concepts are not adequate, this paper deals with a novel approach towards an integrated consideration of all required product and process variants. A generalised product description that can be enhanced with assembly features represents an optimal initial point for assembly planning. The implementation of so-called variant junctions allows for the regard of variants within the planning of the required assembly processes.

Published
2006

12. Skelettmodelle in der Produktentwicklung und Produktionsplanung

Author

Helmut Bley and Marc Bossmann

Subjects
Strategy and Management, General Engineering, Management Science and Operations Research
Abstract

Kurzfassung Infolge der Verschärfung der internationalen Marktsituation werden fast alle Branchen gezwungen, ihre Produktpalette durch Varianten zu vergrößern und die Zeitspanne zwischen den Modellwechseln zu verkürzen. Daher müssen Standards konzipiert werden, die es zulassen, Varianten in Form von wieder verwendbaren Strukturen (Templates) abzulegen, und den Prozess des Simultaneous Engineering unterstützen. Aus diesem Grunde sind in der Konstruktion und Prozessplanung Strukturen zu erarbeiten, die es ermöglichen, Produkt- und Prozessvarianten abzubilden, die im optimalen Fall auch miteinander dynamisch gekoppelt sind.

Published
2005

13. Integration of Product Design and Assembly Planning in the Digital Factory

Author

C. Franke and Helmut Bley

Subjects
Engineering, Product design, business.industry, Process (engineering), Mechanical Engineering, media_common.quotation_subject, Automotive industry, Product engineering, Structuring, Industrial and Manufacturing Engineering, Software, Assembly modelling, Systems engineering, business, Function (engineering), media_common
Abstract

As assembly process planning fulfils the main function of connecting product design to production simulation and thus, the production system itself, a feasible software solution is needed to support this process. Thus, a novel concept is presented that aims at improving the integration of digital product design and assembly planning by introducing a consistent data structuring. This approach helps to reduce redundant tasks and supports the continuous data exchange. It is based on the use of assembly features, i.e. pre-defined geometry elements that contain additional technological information. The prototypical implementation of the concept focuses on the use of commercially available software tools, expanding them with additional functionality for the application of assembly features. The feature-based concept has been tested with a scenario from the automotive supplier industry. For the considered assembly, a comparison between the conventional and the feature-based planning approach is presented in the paper. It points out that the major advantages of the developed concept can be seen in an improved data consistency as well as a higher level of efficiency within the planning activities.

Published
2004

14. Appropriate Human Involvement in Assembly and Disassembly

Author

Helmut Bley, T. Korne, G. Seliger, Gunther Reinhart, and M. Bernardi

Subjects
Engineering, business.industry, Mechanical Engineering, Information technology, Production (economics), Floor level, Product (category theory), business, State of practice, Structuring, Industrial and Manufacturing Engineering, Manufacturing engineering
Abstract

Product assembly as well as disassembly is often carried out by workers who have been trained and are flexible with respect to the different variants, delivery dates and changing lot sizes. Though there has been a strong tendency to mechanize and automate production during the last years many operations in assembly and disassembly are still very often performed manually. Furthermore there might be an increase in manually operated assembly or disassembly as a result of product equipment investments with shorter usage time. This keynote paper deals with the state of practice as well as the tendencies in product and production technology and the influence of markets. Another question is going to be the use of information technology on the shop floor level and between the shop floor and other levels within a company as well as the customers. Therefore industrial engineering is increasingly dealing with the influence of organization and structuring of production processes.

Published
2004

16. Die Fabrik der Gegenwart – ein weltumspannendes Netzwerk

Author

Norbert Roth, Helmut Bley, and Herbert Konig

Subjects
Strategy and Management, General Engineering, Management Science and Operations Research
Abstract

Kurzfassung Die Fabrik der Zukunft, vor zehn oder fünfzehn Jahren ein gängiges Schlagwort, ist in vielen der publizierten Varianten eher Zukunft geblieben und wurde so nicht zur Gegenwart. Die Fabrik der Gegenwart ist dennoch anders geworden, die Veränderungen kamen jedoch mehr von außen, der interne Wandel ist die Antwort auf diese Veränderungen. Die Fabrik ist nicht mehr ein abgegrenzter Ort, an dem aus Rohmaterial und Halbzeug das Endprodukt gefertigt wird. Die Endprodukte entstehen vielmehr in einem vielstufigen Netzwerk, räumlich verteilt und vielfach differenziert. Jede Fabrik ist wie ein Knoten in einem umfassenden Netzwerk. Die Begrenzung dieses Netzwerks ist geprägt durch die Sicht auf die jeweilige Problemstellung – unternehmerisch, technologisch, markt- oder kundenbezogen.

Published
2003

17. Process safeguarding throughout the product life cycle

Author

Helmut Bley, Niko Fischer, and Peter Braun

Subjects
Engineering, Adhesive bonding, business.industry, Mechanical Engineering, Welding, engineering.material, Rejection rate, Industrial and Manufacturing Engineering, Manufacturing engineering, law.invention, Product lifecycle, Coating, law, Soldering, Hardening (metallurgy), business, Process engineering, Quality assurance
Abstract

Measurement technologies are mandatory in different manufacturing technologies and can be found in all phases of the product life cycle. Often there are a lot of parameters that influence process quality. The limitations of sensor-based measuring methods with which quality-affecting quantities can be detected are also unknown. Therefore, quality loops are needed to react to imperfections at an early stage and to minimize the reject rate. A large, up to now incompletely examined field is the influence of surface contaminations on subsequent processes such as adhesive bonding, coating, soldering, welding, hardening, etc. As an example the paper will concentrate on a hardening process succeeding a machining process.

Published
2002

18. Innovative high-performance process for dry manufacturing of sheet metal armatures and their integrated on-line cleanliness examination

Author

S. Joergens, S. Behrning, and Helmut Bley

Subjects
Engineering, business.industry, Image processor, Metals and Alloys, Mechanical engineering, Industrial and Manufacturing Engineering, Computer Science Applications, law.invention, law, Remanence, Modeling and Simulation, visual_art, Ceramics and Composites, Rivet, visual_art.visual_art_medium, Air gap (plumbing), business, Sheet metal, FOIL method, Contactor, Armature (electrical engineering)
Abstract

At present armatures and cores in electromagnetic contactor systems consist of soft-iron, soft-magnetic castings or stampings fixed with rivet joints. To guarantee the reliability of the product, it is necessary to integrate a remanence air gap into the magnet system. Today’s state-of-the-art technologies for integrating the remanence air gap lead to high production costs and tolerance problems. To avoid these problems, an innovative high-performance process was developed using a nonmagnetic foil for realizing the remanence air gap. Because of the high demands on the lifespan of the contactors and the critical function of the foil, special attention has to be paid to bonding. Prior to bonding, surface cleanliness has to be guaranteed. To accomplish this task, a cleanliness examination system is being developed consisting of an image processing system and an analytical measurement method. The image processor detects whether or not residues are present and provides the subsequent modified spectroscopy method with a priori information concerning the character of the residue and its location. Out of the analysis of the identified region an objective index is generated describing the extent of contamination. The analysis results support the decision whether or not the foil may be bonded to the armature’s surface.

Published
2001

19. Distributed model management system for material flow simulation

Author

Helmut Bley, R. Oltermann, and C.C. Wuttke

Subjects
Computer science, Process (engineering), Distributed element model, Simulation modeling, Metals and Alloys, Reuse, Industrial and Manufacturing Engineering, Computer Science Applications, Material flow, Model integration, Modeling and Simulation, Management system, Ceramics and Composites, Systems engineering, Reference model
Abstract

Several concepts to increase the efficiency of modelling processes for simulation such as the use of specialised simulation tools, model integration, implementation of reference models and model reuse are discussed. Systems similar to existing model management systems (MMS) are postulated for simulation of production systems. A prototype MMS for material flow simulation is presented by describing its distributed architecture, its application during the modelling process and as an optimisation tool. Substantial advantages of this new MMS are the support of distributed planning teams and a higher efficiency of the modelling process by multiple use of simulation models. Finally, experience from an industrial test phase is discussed and requirements for the industrial operation of the system are derived.

Published
2000

20. New Strategies and Tools for Increasing Simulation Efficiency

Author

Helmut Bley, Claas Christian Wuttke, and Christina Franke

Subjects
Engineering, Multiple use, Modeling software, business.industry, Seven Management and Planning Tools, Mechanical Engineering, Simulation modeling, Systems engineering, business, Industrial and Manufacturing Engineering, Material flow
Abstract

In recent years, the progress of simulation technology led to modeling software showing a very high level of perfection and functionality. However the expense of modeling has held the number of users lower than original expectations. The central idea to increase acceptance is the multiple use of simulation models. Based on this perception, comprehensive strategies have been developed for three different kinds of simulation projects: small/standardized, spontaneous and large/long-running projects. These strategies are supported by tools for planning and implementation of efficient simulation projects. The methods and tools have been implemented to prove their feasibility in event-driven material flow simulation.

Published
2000

21. Distributed Simulation Applied to Production Systems

Author

Wolfgang Massberg, Helmut Bley, and Claas Christian Wuttke

Subjects
Modeling and simulation, Computer science, Mechanical Engineering, Distributed computing, Simulation modeling, Real-time computing, Computer resources, Industrial and Manufacturing Engineering, Scheduling (computing), Material flow
Abstract

To run nowadays production systems in an optimized way complex and time consuming models are helpful especially if an isolated analysis of subsystems is not possible. Operating problems like scheduling and resource requirement planning need short processing times while strategic problems lead to a large number of solutions to be evaluated. This paper proposes the problems to be solved and a modeling and simulation architecture that allows the use of distributed computer resources and databases. The approach of separated modeling and simulation allows a better performance. By a distinct example it is shown how this approach can be used for the optimization of storage using the eventdriven material flow simulation.

Published
1997

22. Solving Technical Problems in Assembly System's Design

Author

U. Seel, Helmut Bley, and K.G. Günther

Subjects
Engineering, Engineering drawing, Product design, business.industry, Mechanical Engineering, computer.software_genre, Automation, Industrial and Manufacturing Engineering, Feature (computer vision), Computer Aided Design, Assembly line, business, Engineering design process, computer
Abstract

The design of an assembly system leads to very difficult technical problems in which technological, functional and economical aspects must be considered. The designer's experience represents a crucial portion of the information which has to be made available. Another part of the needed information is contained in the product design, and part of it is provided by suppliers of assembly system components. Problem solving based on information incorporated in assembly features will be demonstrated using problems encountered in an existing assembly system. The characterisation of features related to assembly is a research topic at the Saarland University. Preliminary results of a contribution to feature-based CAD-systems will be presented.

Published
1996

23. Order Control by a Hierarchical, Self-Organizing Computer System

Author

Helmut Bley, J. Jostock, K.G. Günther, and K. Reck

Subjects
Engineering, Decision support system, Material requirements planning, Operations research, Process (engineering), business.industry, Mechanical Engineering, Interface (computing), Flow shop scheduling, Industrial and Manufacturing Engineering, Scheduling (computing), Master production schedule, Production control, business
Abstract

Job processing on the typical shop floor is normally influenced by technical or organizational dependent disturbances. Due to growing efforts to meet the customers' demands with respect to short notice changes to orders (product variants and delivery dates), MRP-systems and subordinate shop floor control systems such as scheduling systems have to deal with these disturbances. This forms the basis for a new approach to order control systems implementing cascaded control loops starting with customers' orders and regarding the aspects of real-time rescheduling, process plan alternatives as well as simulating the impacts on future machining and delivery shop order sequences. Reactions to disturbances are offered by a knowledge-based module. This paper describes a concept to help solve the problems encountered by the subcontractor. This concept is based upon a hierarchically organized distributed computer network enabled to reorganize itself in case of a computer or interface failure.

Published
1995

24. Weltsystem

Author

Helmut Bley and Hans-Joachim König

Published
2011

25. Energy Consumption as One Possible Exclusion Criterion for the Reuse of Old Equipment in New Production Lines

Author

Helmut Bley, Martin Swat, Kirsten Trapp, Dirk Bähre, and Lars Weyand

Subjects
Risk analysis (engineering), Production (economics), Business, Energy consumption, Reuse, Investment (macroeconomics)
Abstract

The reuse of production equipment represents a promising approach to saving investment costs. Therefore, more and more companies are taking the topic of reuse into consideration. However, there are also risks and disadvantages concerning the reuse of old production equipment. In some cases, reusing old equipment can eventually be more expensive than buying new resources. Therefore, an adequate reuse assessment is necessary. Not only technical factors and investment costs have to be considered, life cycle aspects such as energy consumption play a crucial role as well. In this paper, an approach to a risk-reduced reuse of old equipment is presented.

Published
2011

27. Oberflächenreinheitsmessung nach MMKS-Bearbeitung

Author

Niko Fischer, Helmut Bley, and Stefan Behrning

Subjects
0209 industrial biotechnology, 021103 operations research, 020901 industrial engineering & automation, Strategy and Management, 0211 other engineering and technologies, General Engineering, 02 engineering and technology, Management Science and Operations Research
Abstract

Kurzfassung Die Minimalmengenkühlschmier (MMKS)-Technologie ist heute in weiten Bereichen der industriellen Fertigung als beherrschte und Kosten senkende Bearbeitungsmethode eingeführt worden. Unbeantwortet bleibt bislang die Frage, in welchem Ausmaß Schmierstoffe auf der erzeugten Oberfläche verbleiben. Dieser Fragestellung wird in dem vorliegenden Beitrag am Beispiel einer MMKS-Wälzstoßbearbeitung nachgegangen. Basis der Untersuchung ist der Prototyp eines infrarotspektroskopischen Messsystems, welches seine Leistungsfähigkeit schon an nass bearbeiteten Werkstücken unter Beweis gestellt hat.

Published
2001

28. Lemmata

Author

Gerrit Walther, Merio Scattola, Ulrich Pfisterer, Georg Satzinger, Saskia Wiedner, Sabine Meine, Sven Externbrink, Reinhold Reith, Georg Stöger, Horst Carl, Barbara Stollberg-Rilinger, Ulrich Hufeld, Sibylle Appuhn-Radtke, Wolfgang E. J. Weber, Robert von Friedeburg, Hans-Joachim König, Susanne Rode-Breymann, Markus Meumann, Stefan Rinke, Mark Hengerer, Katrin Keller, Rainer Babel, Gudrun Gersmann, Wolfgang Schmale, Rolf Reichardt, Dieter Langewiesche, Stefanie Lieb, Edith Koller, Hans-Jürgen Lüsebrink, Christine Siegert, Martin Gierl, Steffen Schlinker, Iris Gareis, Hendrikje Mautner, Achim Mittag, Martin Otto, Hans-Peter Haferkamp, Martin Gabriel, Thomas Schirren, Thomas Synofzik, Mariacarla Gadebusch-Bondio, Wolfgang Behringer, Matthias Tischer, Ignacio Czeguhn, Ulrike Müßig, Onno Poppinga, Rebekka von Mallinckrodt, Wolfgang Altgeld, Martin Wrede, Thomas Töpfer, Axel Flügel, Klaus Wolf, Susanna Layh, Roland Kanz, Günter Butzer, Manuela Günter, Inge Kroppenberg, Dennis F. Mahoney, Frank Büttner, Andreas Eichhorn, Christoph Meinel, Peter Walter, Renko Geffarth, Georg Eckert, Konrad Schneider, Josef Ehmer, Michael Beck, Alexander Weber, Stefan Schweizer, Jürgen Henkel, Jennifer Wasmuth, Jan Willem Veluwenkamp, Hans-Heinrich Nolte, Elena Marasinova, Steffi Bahro, Andreas Bingener, Thomas Bremer, Werner Troßbach, Wolfgang Friedrich, Heiner Lück, Peter Burschel, Wolfgang Seidenspinner, Walter Sparn, Friederike Nüssel, Friedrich Wilhelm Graf, Peter Piasecki, Margarete Zimmermann, Hans Körner, Michael Fessner, Gloria Sanz Lafuente, Markus A. Denzel, Claus Priesner, Andrea Griesebner, Rosa Costa, Rainer Schöller, Anke te Heesen, Regine Mathias, Rebecca Grotjahn, Christoph Deupmann, Stefan Jordan, Kai Bremer, Hubert Moßburger, Jörg Vögele, Dietrich Erben, Staffan Müller-Wille, Gottfried Schiemann, Silvia Serena Tschopp, Edith Saurer, Gisela Wilbertz, Stefan Reichmuth, Johannes Dillinger, Thomas Sing, Peter W. Marx, Beate Agnes Schmidt, Michael North, Silvia Carola Dobler, Bernadette Malinowski, Martin Löhnig, Rainer Brunner, Christoph Kampmann, Carolyn Dougherty, Christoph Bartels, Marcus Popplow, Detlev Ellmers, Eckhard Schinkel, Axel Bayer, Sonja Kinzler, Rita Voltmer, Heiko Laß, Wolfgang Uwe Eckart, Stefan Gorißen, Kim Siebenhüner, Philipp Robinson Rössner, Mark Häberlein, Uwe Meiners, Carsten Goehrke, Stéphanie Chapuis-Després, Martin Laube, Roman Köster, Ulrich Troitzsch, Harald Haarmann, Helmut Bley, Helwig Schmidt-Glintzer, Heiko Frese, Clemens Zimmermann, Marion Hiller, Volker Leppin, Nanny Kim, Dirk Niefanger, Jens Bruning, Ingrid Lohmann, Andreas Rutz, Paul Richard Blum, Katharina Weikl, Eva Brinkschulte, Werner Röcke, Lothar Vogel, Peer Schmidt, Hubert Weitensfelder, R. Johanna Regnath, Thomas Maissen, Friedrich Steinle, Michael Wagner, Christoph Müller, Wilhelm Brauneder, Thomas Beck, John Hattendorf, Helmut Holzhey, Helmut Zander, Christian Möller, Johann Schneider, Birgit Pelzer-Reith, Rudolf Holbach, Tobias Sarx, Alexander Kästner, Arno Strohmeyer, Peter Collin, Daniela Siebe, Matthias Asche, Philippe Hamou, Sicco Lehmann-Brauns, Cornelia Aust, Arne Karsten, Ekkehard Kraft, Camilla Bork, Claudia Jarzebowski, Klaus Antoni, Christian Mathieu, Florian Freitag, Andreas Dix, Kirsten Rüther, Marion Stange, Reinhard Wendt, Jan Lucassen, Leo Lucassen, Klaus Beyrer, and Karin Gludovatz

Published
2010

29. CAx-Systeme – warum und wozu?

Author

Helmut Bley, Christian Weber, Peter Hehenberger, Klaus Zeman, and Sándor Vajna

Abstract

Die zusammenfassende Bezeichnung aller Systeme der Rechnerunterstutzung in einem Unternehmen lautet CAx-Systeme. Dabei steht „CA“ fur „Computer-Aided“, also „rechnerunterstutzt“

Published
2009

30. Modellerstellung und -anwendung

Author

Klaus Zeman, Helmut Bley, Sándor Vajna, Christian Weber, and Peter Hehenberger

Subjects
Computer science
Published
2009

33. Methodische Grundlagen

Author

Sandor Vajna, Christian Weber, Helmut Bley, Klaus Zeman, and Peter Hehenberger

Published
2009

35. Wirtschaftliche Bewertung

Author

Sandor Vajna, Christian Weber, Helmut Bley, Klaus Zeman, and Peter Hehenberger

Published
2009

36. Aufbau von CAx-Systemen

Author

Peter Hehenberger, Helmut Bley, Sándor Vajna, Klaus Zeman, and Christian Weber

Abstract

Das Zusammenspiel von Geraten und Programmen, die ein in sich geschlossenes, geordnetes und gegliedertes Ganzes bilden, wobei die einzelnen Bestandteile untereinander abhangig sind bzw. ineinandergreifen, wird als System

Published
2009

37. Lemmata

Author

Birgit Biehler, Wolfgang Uwe Eckart, Christian Rohr, Martin Laube, Christoph Meinel, Friedemann Stengel, Dirk Evers, Alexander Rueger, Hans Werner Ingensiep, Kocku von Stuckrad, Johanna Scherb, Friedrich Steinle, Ulrich Beuttler, Fabian Krämer, Diethelm Klippel, Detlev Ellmers, Moritz Epple, Roland Kanz, Wolfgang E. J. Weber, Eric-Oliver Mader, Achim Mittag, Hans-Michael Hauβig, Birgit Emich, Wolfgang Behringer, Hans-Joachim König, Stefan Rinke, Gerrit Walther, Jörg Robert, Ashley Null, Catherine Newmark, Axel Gotthard, Friedrich Jaeger, Roger Münch, Johannes Arndt, Bernward Selter, Ronald G. Asch, Helmut Bley, Hans-Heinrich Nolte, Stefan Reichmuth, Lasse Hölck, Claus Priesner, Susanne Knackmuß, Hartmut Keil, Michael Busch, Ralf-Peter Fuchs, Louis Pahlow, Michael North, Andreas Waczkat, Thomas Schipperges, Martin Löhnig, Sicco Lehmann-Brauns, Christine Lubkoll, Peter Oestmann, Alexander Koller, Hansjörg Küster, Jörn Sieglerschmidt, Ulrich Pfister, Martina Dlugaiczyk, Stefan Jordan, Horst Carl, Luise Schorn-Schütte, Monika Mommertz, Rainer G. Schöller, Philipp Osten, Dorothee Rippmann, Dieter Burdorf, Dietmar Bleidick, Martin Ohst, Clemens Zimmermann, Thomas Simon, Wolfgang Schmale, Gunter Mahlerwem, Daniel Hohrath, Silvia Werfel, Werner Plumpe, Roman Köster, Wolf-Hagen Krauth, Ernst Langthaler, Gloria Sanz Lafuente, Ulrich G. Leinsle, Ruth Müller-Lindenberg, Hendrikje Mautner, Jürgen G. Nagel, Michael Weichenhan, Klaus Beyrer, Martin Loeser, Matthias Tischer, Benedikt Mertens, Manfred Knedlik, Wilhelm Brauneder, Georg Toepfer, Arnfried Edler, Johannes Oeldemann, Ekaterini Kepetzis, Susanne Greilich, Günter Irmscher, Karl Christian Felmy, Suraiya Faroqhi, Henning Sievert, Regine Mathias, Marion Eggert, Sheng-Ching Chang, Melanie Trede, Burglind Jungmann, Kyu-Hee Wahlen, Joachim Gentz, Angela Schottenhammer, Dariusz Adamczyk, Nina Noeske, Milja van Tielhof, Jan Lucassen, Leo Lucassen, Katrin Eggers, Jürgen Mittag, Werner Troßbach, Alexander Markschies, Carsten Ruhl, Hans-Peter Haferkamp, Martin Disselkamp, Anna Katharina Maria Loef, Susanne Rode-Breymann, Nils Büttner, Petra Hesse, Peter Svetina, Stephan Meier-Oeser, Karl Pichol, Günther Wassilowsky, Renate von Heydebrand, Maximilian Bergengruen, Doris Lehmann, Stéphanie Chapuis-Després, Marianne Klemun, Christoph Kampmann, Robert Seidel, Dörte Schmidt, Hartwig Brandt, Gunter Mahlerwein, Martin Rink, Margareth Lanzinger, Alexander Michael Fischer, Andreas Gestrich, Claudia Ulbrich, Peter Walter, Ferdinand Gahbauer, Ekkehard Kraft, Wyger R. E. Velema, Hans Peter Herrmann, Helga Schultz, Christiane Birr, Gerald Kohl, Thomas Sokoll, Josef Ehmer, Simone Giese, Kai Bremer, Uwe Wirth, Reinhold Reith, Mark Häberlein, Marcus Popplow, Stephan Schaede, Walter Sparn, Sibylle Hofer, Friedrich Edelmayer, Cordula Scholz-Löhnig, Frank Büttner, Konrad Schneider, Maike Rotzoll, Gerhard Regn, Matthias Asche, Birgit Weyel, Julia Oswalt, Johann Schneider, Thomas Töpfer, Onno Poppinga, Siegfried Becker, Steffen Schlinker, Annette Simonis, Christoph Friedrich, Wolf-Dieter Müller-Jahncke, Marcus Meier, Jürgen Overhoff, Martin Gabriel, Johannes Heil, Werner Schneiders, Jan-Peter Hartung, Martin Carrier, Georg Eckert, Barbara Stempel, and Birger P. Priddat

Published
2009

38. CAx für Ingenieure

Author

Helmut Bley, Sándor Vajna, Klaus Zeman, Christian Weber, and Peter Hehenberger

Subjects
Computer science, business.industry, Computational intelligence, Engineering design process, Software engineering, business
Published
2009

39. Future Challenges in Process/Resource Planning Due to Increasing (Product) Variants

Author

Helmut Bley and Lars Weyand

Subjects
Product (business), Engineering, Production planning, Risk analysis (engineering), business.industry, Process (engineering), Transparency (graphic), Production engineering, Systems engineering, Production (economics), Work in process, business, Task (project management)
Abstract

Factories that are flexible in production and cost-efficient are needed. But obviously, it is not so easy to plan/realise such factories — the complexity of the task increases with every additional (product) variant to be considered. All fields of the production engineering process are affected by the above-mentioned complexity problem. But, this paper only deals with shortcomings/challenges within the first steps of production planning. Future planning experts need suitable concepts to perform their tasks in an easier, faster and more precise manner. The transparency within production planning has to be improved in order to simplify decision making.

Published
2008

40. Lemmata

Author

Ulrich Pfister, Prachi Deshpande, Mathias Mayer, Peter Walter, Hans-Joachim Konig, Wolfgang Petter, Konrad Schneider, Louis Pahlow, Stefan Brakensiek, Christoph Bartels, Gero Steffens, Ian-Otrnar Hesse, Reinhold Reith, Michael Kopsidis, Sibylle Hofer, Rolf Reichardt, Sabine Berthold, Marcus Popplow, Karl Pichol, Michael Mende, Thomas Buchner, Alexander Michael Fischer, Mara R. Wade, Harald Witthoft, Peter Burschel, Wolfgang Schmale, Jörn Henrich, James G Snyder, Christoph Meinel, Wolfgang Behringer, Moritz Epple, Florian Heesch, Hans Niels Jahnke, Michaela Hohkamp, Tim Neu, Dietrich Erben, Ingrid Kummels, Andreas Grünschloß, Gerrit Walther, Ute Schneider, Susanne Rode-Breymann, Niccolò Guicciardini, Jon Miller, Torsten Fried, Alexander Koller, Ulrich Hufeld, Katrin Keller, Wolfgang Uwe Eckart, Robert Jütte, Wolfgang Kaiser, Hinrich Biesterfeldt, Antje Zare, Johanna Bleker, Johanna Bieker, Thomas Synofzik, Werner Wilhelm Schnabel, William G. Naphy, Angelika Dworzak, Gabriele Busch-Salmen, Maria Rößner-Richarz, Jörn Rüsen, Stefan Jordan, Birgitta Bader-Zaar, Diethelm Klippel, Maria Elena Paulus, Iris Gareis, Thomas Sokoll, Oliver Hochadel, Franz Körndle, Markus A. Denzel, Nathanael Riemer, Christian Büschges, Claus Priesner, Georg Toepfer, Walter Sparn, Wilhelm Schmidt-Biggemann, Bernhard Fritscher, Steve O’Malley, Burkhard Moennighoff, Helmut Bley, Claudia Strieter, Rita Gudermann, Martin Löhnig, Jan Lucassen, Leo Lucassen, Jutta Schickore, Barbara Orland, Bernhard R. Kroener, Daniel Hohrath, Markus Meumanna, Fritz Dross, Achim Hofer, Angela Strauß, Cordula Kapser, Karoline Noack, Kirsten Rüther, Barend J. ter Haar, Carsten Zelle, Roland Kanz, Stéphanie Chapuls-Després, Max Sebastián Hering Torres, Martin Rothkege, Sandra Hindriks, Rainer Babel, Wilhelm Brauneder, Friedrich Huber, Stefan Rinke, Kocku von Stuckrad, Margareth Lanzinge, Anne Conrad, Caspar Hirschi, Annette Kreutzlger-Herr, Oliver Werner, Ulinka Rublack, Brigitte Söleh, Friedrich Jaeger, Grischka Petr, Katharina Hottmann, Dirk Niefanger, Alf Christophersen, Heidrun Rosenberg, Stephan Conermann, Ronald G. Asch, Jöm Leonhard, Wolfgang E. J. Weber, Benedikt Mertens, Dorothea Wendebourg, Rudolf Prokschi, Sebastian Maximilian Hacker, Ulrich Theobald, Sabine Meine, Kai Bremer, Jan-Otmar Hesse, Martin Ohst, Staffan Müller-Wille, Rainer Siotta, Ekkehard Westermann, Angelika Westermann, Michael Fessner, Ulrike Weckel, Harald Maihold, Katharina Reinholdt, Jörg Vögele, Stefan Reichmuth, Joachim Gierlichs, Franz Korndle, Dietmar Bleidick, Thorsten Keiser, Michaela Kalusok, Joachim Kremer, Michael Fischer, Martin Petzoldt, Irenäus Totzke, Ruth Müller-Lindenberg, Wolfgang Rathert, Christine Siegert, Arne Spohr, Andreas Eichhorn, Annette Kreutziger-Herr, Hendrikje Mautner, Rainer Bayreuthera, Bernd Redmann, Matthias Tischer, Albert Schirrmeister, Andreas Gestrich, Volker Leppin, Erich Bryner, Karl Erich Grözinger, Rita Voltmer, Jörg Requate, Christopher Spehr, Edith Koller, Julia Carrasco, Ernst Gerhard Eder, Bernward Seiter, Renate Blickle, Rosa Kohlheim, Volker Kohlheim, Hans Rudolf Velten, Reinhard Stauber, Nils Freytag, Gunter Mahlerwein, Rupert Klieber, Harald Haarmann, Claudia Ulrich, Heinrich Best, Jörn Sieglerschmidt, Birgit Biehler, Kristin Marek, and Marianne Klemun

Published
2008

42. Lemmata

Author

Christoph Kampmann, Winfried Müller, Ronald G. Asch, Olaf Asbach, Franz Bosbach, Heinhard Steiger, Norbert Fischer, Albrecht Beutel, Reimund Leicht, Christine Vogel, Michael Riekenberg, Gunter Mahlerwein, Werner Plumpe, Markus A. Denzel, Thomas Köppen, Friedrich Wilhelm Graf, Walter Sparn, Matthias Schnettger, Jens Bruning, Jens Rheinhardt, Stephan Rosenke, Frank Konersmann, Stephan Hoppe, Oliver Hochadel, Stefan Kroll, Harald Bischoff, Michaela Kalusok, jürgen Wiener, Christoph Meinel, Silke Wenzel, Gabriele Jancke, Antje Fuchs, Martin Huber, Thomas Kirchner, Arnfried Edler, Susanne Keunecke, Christian Grethlein, Martin Wrede, Eva Labouvie, Martina Henze, Gerrit Walther, Michael Wagner, Manfred Agethen, Frank Schorkopf, Sascha Salatowsky, William Naphy, Josef Ehmer, Günther Wassilowsky, Irmgard Scheitler, Kurt Andermann, Inga Mai Groote, Heinz Rieter, Rainer Metz, Stefanie Stockhorst, Joachim Kremer, Christiane Coester, Christian Wieland, Ursula A. J. Becher, Detlef Döring, Martin Gierl, Alexander Košenina, Jens Häseler, Jens Eisfeld, Barbara Krug-Richter, Wolfgang E. J. Weber, Gunther Hirschfelder, Joachim Schaier, Jutta Nowosadtko, Klaus Graf, Jan Andres, Thomas Synofzik, Andreas Waczkat, Joachim Bahlcke, Achim Aurnhammer, Ekaterini Kepetzis, Christoph Heyl, Hans Jürgen Teuteberg, Iris Schröder, Bernhard Fritscher, Moritz Epple, Ulrich Beuttler, Roman Köster, Rebekka Übler, Thomas Simon, Karl Härter, Maren Lorenz, Heinz Mohnhaupt, Jürgen Weitzel, Peter Oestmann, Caspar Hirschi, Gemot Michael Müller, Ralf Frassek, Peter Arnold Heuser, Michaela Hohkamp, Michael Fischer, Stefan Jordan, Oliver Ramonat, Dirk Niefanger, Thomas Lehr, Jens Nordalm, Andreas Urs Sommer, Johannes Süßmann, Claudia Ulbrich, Claudia Jarzebowski, Roland Kanz, Georg Fertig, Reinhold Reith, Clemens Albrecht, Wolfgang Schmale, Gerald Kohl, Diethelm Klippel, Antje Flüchter, Sibylle Hofer, Jan Klußmann, Ulrich Rehm, Wolfgang UWG Eckart, Andreas Thier, Hasso Spode, Frank Göttmann, Hans-joachim König, Zoltán Pállinger, Mariaclara Gadebusch-Bondio, Wilfried Reininghaus, Ulrich Pfister, Katrin Keller, Johannes Laufer, Rainer Gömmel, jürgen Mittag, Christoph Bartels, Volker Leppin, Roy Garré, Antonio Becchi, Thomas Beck, Birgit E. Klein, J. Jürgen Seidel, Bettina Wahrig, Brigitte Sölch, Remhold Reith, Friederike Nüssel, Jan Lucassen, Leo Lucassen, Elisabeth Koch, Arno Strohmeyer, Martin Reulecke, Max Sebastián Hering Torres, Helmut Bley, Hans-Joachim König, Günther Lottes, Ernst Rohmer, Catherine Newmark, Louis Pahlow, Michaela Fenske, Karlheinz Ruhstorfer, Dietmar Peil, Mark Haberlein, Michael Scholz-Hänsel, Michael North, Dietmar Bleidick, Inken Schmidt-Voges, Martin Laube, Stefan Reichmuth, Ingrid Kummels, Kirsten Rüther, Markus Enders, Markus Matthias, Jürgen Bärsch, Dorothea Wendebourg, Martin Loeser, Stefan Ruppert, Gerd Schwerhoff, Christoph Link, Philipp Zitzlsperger, Michael Fessner, Klara Vanek, Sibylle Appuhn-Radtke, Andreas Würgler, Manfred Landfester, Hartmut Keil, Hans-Joachim von Kondratowitz, Reinhard Stauber, Kinji Akashi, Iris Gareis, Jan-Otmar Hesse, Karl Christian Felmy, Wolfgang Behringer, Manfred Jatzlauk, Achim Mittag, Andreas Gestrich, Joachim Eibach, Christian Neschwara, Peter Blickle, Martin Löhnig, William G. Naphy, Peer Schmidt, Rolf Reichardt, Konrad Schneider, Axel Flügel, Wilhelm Brauneder, and Ernst Münch

Published
2006

43. Lemmata

Author

Matthias Schnettger, Birgit Studt, Sibylle Hofer, Jean Dhombres, Rainer Slotta, Christoph Bartels, Mark Häberlein, Eckhart Birnstiel, Gernot Michael Müller, Kirsten Mahlke, Claudia Ulbrich, Birgit E. Klein, Cordula Scholz-Löhnig, Josef Ehmer, Andreas Gestrich, Wolfgang E. J. Weber, Jürgen Kloosterhuis, Gerrit Walther, Michele Luminati, Robert Dimit, Max Sebastián Hering Torres, Andreas Thier, Roman Köster, Gerd Schwerhoff, Klaus Beyrer, Gabriele Dürbeck, Wolfgang Brückner, Markus A. Denzel, Ulrich Pfister, Niels Grüne, Ralf Pröve, Albert Schirrmeister, Jan Lucassen, Leo Lucassen, Andreas Bingener, Carolyn Dougherty, Sicco Lehmann-Brauns, Roland Kanz, Niccolò Guicciardini, Elisabeth Böhm, Oliver Hochadel, Friedrich Steinle, Jens Bruning, Ziad Mahayni, Claus Priesner, Katrin Keller, Diethelm Klippel, Bernd Lutz, Georg Toepfer, Eva Labouvie, Martin Huber, Georg Himmelheber, John Henry, Walter Sparn, Reinhold Reith, Bernhard Lang, Günther Lottes, Dietrich Helms, Hans-Joachim König, Stefan Rinke, Kirsten Rüther, Michael Mann, Reinhardt Wendt, Friedrich Wilhelm Graf, Martin Löhnig, Martin Gierl, Wolfgang Uwe Eckart, Thomas Althaus, Günther Wassilowsky, Bernd C. Schneider, Siglinde Csuk, Gudrun Gersmann, Peter Philipp Riedl, Dieter Henrich, Franz Eybl, Martin Wrede, Max Plassmann, Georg Fertig, Wilhelm Brauneder, Rüdiger Glaser, Christian Rohr, Jörn Sieglerschmidt, Michael Kempe, Marcus Popplow, Michael Lehner, Istvan Faragó-Szabó, Catherine Wilson, Martin Laube, Barbara Krug-Richter, Clemens Zimmermann, Werner Troßbach, Michael Kopsidis, Bardo Fassbender, Carolin Fischer, Thomas K. Kuhn, Peter Walter, Rainald Becker, Hannelore Putz, Antje Roggenkamp, Erich Bryner, Michael N. Ebertz, Gerhard Sauter, Gloria Sanz Lafuente, Monika Neugebauer-Wölk, Christian Schärf, Hasso Spode, Bernhard Kroener, Hans-Richard Reuter, Wolfgang Gabbert, Rolf-Ulrich Kunze, Iris Gareis, Heinz Duchhardt, Burkhard Gladigow, Dorothea Wendebourg, Thomas Witulski, Gilbert Heß, Karlheinz Ruhstorfer, Raingard Esser, Steffen Schlinker, Hans-Jürgen Lüsebrink, Christine Siegert, Helmut Bley, Suraiya Faroqhi, Hans-Heinrich Nolte, Frank Neubert, Rüdiger Zymner, Stefan Gorißen, Heinz Mohnhaupt, Jörg Robert, Konrad Bedal, Ursula A. J. Becher, Gerhard Fouquet, Matthias Asche, Silvia Serena Tschopp, Henry Keazor, Ruth Berger, Thomas Schipperges, Alexander Engel, Rolf Kießling, Ulrich Fürst, Birgit Pelzer-Reith, Hartmut Kugler, Ronald G. Asch, Christina Kallieris, Josef Steinruck, Rolf Reichardt, Oliver Waldinger, Wolfgang Behringer, Gerald Kohl, Gerhard Dohrn-van Rossum, Susanne Galley, Heiner Lück, Christoph Meinel, Wilko Schröter, Benedikt Kranemann, Volker Leppin, Martin Petzolt, Susanne Rode-Breymann, Tanja Rudtke, Anne Spagnolo-Stiff, Antonio Becchi, Stephan Hoppe, Daniel Hohrath, Wolfgang Schmale, Ulrich Troitzsch, Christian Quaeitzsch, Jörn Eckert, Ernst Rohmer, Jörg Wesche, Clé Lesger, Karin Ostrawsky, Gunther Hirschfelder, Hans-Walter Keweloh, Andreas Dix, Karl Härter, Robert Zagolla, Staffan Müller-Wille, Bernward Selter, Susanne Pickert, Konrad Schneider, Hartmut Möller, Lotte van de Pol, Helmut Bräuer, Frank Lehmann, Angelika Schaser, Beate Schuster, Susanne Knackmuß, Ulrike Weckel, Robert Bohn, Christopher Voigt, Jan-Otmar Hesse, Cornelis Gerrit Roelofsen, Georg Schmidt, Kinji Akashi, Klaus Manger, Lena Immer, Alexander Schmidt, Andreas Klinger, Christopher Snigula, Bernd Roeck, Erich Geldbach, Wolfgang Hardtwig, Melanie Unseld, Alessandro Arcangeli, Gregor Dehmer, and Peter Burke

Published
2006

44. Lemmata

Author

Friedrich Steinle, Michael Fessner, Christoph Bartels, Michael Farrenkopf, Claudia Küpper-Eichas, Johannes Laufer, Bernd Marquardt, Angelika Westermann, Wilfried Reininghaus, Thomas Sokoll, Jens Bruning, Andreas Gestrich, Mariacarla Gadebusch-Bondio, M. H. D. van Leeuwen, C. Lesger, Wolfgang Behringer, Claudia Jarzebowski, Eva Labouvie, Hans-Peter Haferkamp, Peter Marshall, Birgit Pelzer-Reith, Gerhard Ammerer, Josef Ehmer, Thomas Simon, Peter Oestmann, Christoph Schwöbel, Ralf Georg Czapla, Silvia Serena Tschopp, Hans Schneider, Alf Christophersen, Albrecht Beutel, Peter Walter, Erich Bryner, Stephan Füssel, Holger Simon, Georg Himmelheber, Hermann Geffcken, Katharina Reinholdt, Raphael Rosenberg, Wolfgang Brückner, Eva-Maria Bangerter-Schmid, Luise Leinweber, Johannes Myssok, Bodo Buczynski, Nicole Hegener, Sibylle Appuhn-Radtke, Gerrit Walther, Andreas Fahrmeir, Thomas Grosser, Claudia Albert, Wolfgang Hardtwig, Günther Lottes, Konrad Schneider, Ingo Heidbrink, Vera Vlehöver, Georg Toepfer, Dorothea Wendebourg, Katrin Keller, Günther Wassilowsky, Thomas Buchner, Hans-Joachim Kraschewski, Hubert Weitensfelder, Reinhold Reith, Oliver Hochadel, Wolfgang U. Eckart, Rita Gudermann, Werner Troßbach, Stefan Brakensiek, Hans-Heinrich Nolte, John Ashley Null, Rolf Walter, Staffan Müller-Wille, Klaus Beyrer, Anuschka Tischer, Rudolf Holbach, Hans-Joachim König, Frank Neubert, Horst Carl, Philipp Nordloh, Torsten Meyer, Rainer S. Elkar, Hasso Spode, Heide Wunder, Dietmar Bleidick, Frank Konersmann, Robert Vellusig, Siegfried Grillmeyer, Helmut Bley, Gunther Hirschfelder, Dirk Bühler, Susanne Galley, Florian Ruhland, Stefan Morét, Erdmann Weyrauch, Ruth Groh, Rainer Elkar, Gerhard Sauder, Markus A. Denzel, Ute Schneider, Werner Telesko, Joachim Gentz, Dirk Niefanger, Babette Ball-Krückmann, Martin Illert, Karl Härter, Michael Kaiser, Bardo Fassbender, Ernst Bruckmüller, Raingard Esser, Wolfgang Schmale, Gesa Dane, Clemens Albrecht, Martin Löhnig, Ewald Grothe, Sebastian Berg, Philipp Zitzlsperger, Andrea Bendlage, Franz Körndle, Ernst Koch, Ulrich Pfister, Norbert Dubowy, Andrea Lindmayr-Brandl, Sicco Lehmann-Brauns, Michael Riekenberg, Herbert Schneider, Max Sebastián Hering Torres, Hartwig Brandt, Uwe Müller, Claus Priesner, Christoph Meinel, Hans-Peter Großhans, Achim Mittag, Cordula Bischoff, Friedhelm Brusniak, David Hiley, Kirsten Rüther, Martin Ernst Hirzel, Walter Sparn, Ernst Riegg, Gerhard Dohrn-van Rossum, Laurent Pfister, Hans Schlosser, Dagmar Bechtloff, Peter Wollny, Henning Mehnert, Mathias Reimann, Ronald G. Asch, Jan Schröder, Kai Bremer, Roland Kanz, Miloš Vec, Richard Potz, Caroline Zum Kolk, Lucia Koch, Todd Butler, Wolfhard Weber, Lars-Ulrich Scholl, Sibylle Hofer, Friedrich Wilhelm Graf, Eva-Bettina Krems, Rainer Metz, Norbert Fischer, Michael Schippan, Nils Jansen, Hedwig Herold-Schmidt, Stefan Rinke, Dietrich Erben, Stefanie Lieb, Michael North, Ulrich Rasche, Michael Sikora, Wolfgang E. J. Weber, Dirk Evers, Gerald Kohl, Michael Derndarsky, Diethelm Klippel, Gerd Schwerhoff, Jochen-Christoph Kaiser, Peter Wiesinger, Wolfgang Viereck, Dieter Stellmacher, Gernot Michael Müller, Ruth Mayer, Hans-Michael Haußig, Anke Detken, Rolf Parr, Karoline Kahl, Bettina Blessing, Moritz Epple, Hans Niels Jahnke, Stephan Brakensiek, Michael Wagner, Hans-Joachim Hinrichsen, Martin Gierl, Matthias Asche, Martin Friedrich, Jennifer Wasmuth, Jochen Ebert, Bernd Schildt, Werner Hahl, Stephan Sensen, Stefanie Arend, Michael Mende, Heinz Mohnhaupt, Michael Weichenhan, Ute Frevert, Rüdiger Glaser, and Sebastian Tyczewski

Published
2005

45. Wege zur Modellierung für die virtuelle Fabrik

Author

Helmut Bley

Abstract

Mein Beitrag geht auf eine Zusammenarbeit mit dem iwb zuruck, die ich bereits Anfang der 80er Jahren aus meiner damaligen Position in der Siemens AG Erlangen startete. Zu den Aufgaben meiner Abteilung gehorte das Thema der Roboter Off-LineProgrammierung. Das Ziel war die Entwicklung eines SW-Paketes hierzu, das in die Produktpalette der Automatisierungstechnik integriert werden konnte. Wir wollten nicht von der Basis beginnen, sondern haben mit Herrn Milberg eine Ubernahme von USIS vertraglich vereinbart. (Ich erinnere mich, dass Herr Milberg schon damals einen unauffalligen BMW fuhr, der allerdings sehr hoch motorisiert war.) Herr Wrba hat dann den Transfer des Know-how durchgefuhrt. Er kann sich sicher noch erinnern, tagelang in den Siemens-Labors in Erlangen meine Mitarbeiter in die Innereien eingefuhrt zu haben.

Published
2003

47. A tolerance system to interface design and manufacturing

Author

Helmut Bley, Christian Weber, Oliver Thome, and Ralf Oltermann

Subjects
Engineering, Bearing (mechanical), business.industry, Production cost, CAD, law.invention, law, Systems engineering, Torque, Support system, Interface design, business, Engineering design process, Early phase
Abstract

In this article the concept and a prototype of a feature based integrated tolerance support system is described. The system consists of a “functional view” and a “manufacturing view” onto the tolerances. The “functional view” supports the designer finding appropriate solutions concerning dimensions and tolerances for certain functions like “bearing seat” or “transfer torque”. The “manufacturing view” contains information about the feasibility, production cost and time of a tolerance. This knowledge based on experiments is stored in a SQL database. The manufacturing information is given to the designer and he/she can alter his/her decisions in a very early phase of the design process if problems arise. Implementation platform of the fully CAD integrated support system is CoCreate’s SolidDesigner.

Published
1999

48. Afrika

Author

Helmut Bley

Published
1996

50. Die automatisierte Produktion — Stand und Entwicklung in der Fertigungsvorbereitung und in der Fertigungswerkstatt

Author

Helmut Bley

Abstract

Die Unternehmen mussen sich in der jungsten Vergangenheit einem besonders tiefgreifenden Wandel des Marktes anpassen. Wahrend in den zuruckliegenden Jahren der Markt uberwiegend die angebotenen Produkte abnahm, besonders in der Phase der ausgepragten Befriedigung des Grundbedarfs, ist es heute notwendig, den Kundenwunsch zu treffen. Dieser Trend hat zu dem Zwang gefuhrt, die Entwicklung und die Produktion von Konsum- und Investitionsgutern dem Kundenwunsch anzupassen. Andernfalls werden die notwendigen betriebswirtschaftlichen Ziele der Unternehmen nicht mehr erreicht werden konnen. Neben der innerbetrieblichen Flexibilisierung der Werkzeuge, Verfahren und Ablaufe gehort hierzu auch eine starkere Zusammenarbeit der Unternehmen, um die teilweise nur bei entsprechender Auslastung der Ressourcen mogliche Wirtschaftlichkeit zu erzielen. Diesen an der Organisation, der Konstruktion und Fertigung und den Informationsmitteln angreifenden Ansatzen dient die Einfuhrung und Erweiterung der „Rechnerintegrierten Fabrik (CIM)“.

Published
1991

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