Inst. Werkzeugmaschinen und Fabrikbetrieb

141 Items

Recent Submissions
Unified Information Access in Product Creation with an Integrated Control Desk

Wrasse, Kevin ; Diener, Holger ; Hayka, Haygazun ; Stark, Rainer (2017)

Customers demand for individualized products leads to a large variety of different products in small series and single-unit production. A high flexibility pressure in product creation is one result of this trend. In order to counteract the pressure, the information steadily increasing by Industry 4.0 must be made available at the workplace. Additionally, a better exchange of information between...

Direct electron irradiation of DNA in a fully aqueous environment. Damage determination in combination with Monte Carlo simulations

Hahn, Marc Benjamin ; Meyer, Susann ; Schröter, Maria-Astrid ; Seitz, Harald ; Kunte, Hans-Jörg ; Solomun, Tihomir ; Sturm, Heinz (2016)

We report on a study in which plasmid DNA in water was irradiated with 30 keV electrons generated by a scanning electron microscope and passed through a 100 nm thick Si3N4 membrane. The corresponding Monte Carlo simulations suggest that the kinetic energy spectrum of the electrons throughout the water is dominated by low energy electrons (<100 eV). The DNA radiation damage, single-strand breaks...

High Speed Cutting of Carbon Fibre Reinforced Plastics

Uhlmann, Eckart ; Richarz, Sebastian ; Sammler, Fiona ; Hufschmied, Ralph (2016)

The effects of high speed cutting (HSC) on metallic workpiece materials have been widely studied and the benefits are commonly employed in the machining industry. However, in the machining of composite materials, these effects have not yet been a focus of significant research work and core questions such as what impact HSC cutting parameters have on tool wear, process forces and workpiece quali...

The Working Posture Controller: Automated Adaptation of the Work Piece Pose to Enable a Natural Working Posture

Nguyen, The Duy ; Bloch, Christian ; Krüger, Jörg (2016)

We present a novel approach to prevent awkward working posture by automatically assessing and optimising the work place for a given task. Our system is called the Working Posture Controller (WPC) and enables to accomplish tasks in a natural posture by adapting the pose of work piece to be processed. Unlike other approaches to prevent posture-related Musculo-skeletal Disorders (MSDs), our system...

How to Make People Make a Change – Using Social Labelling for Raising Awareness on Sustainable Manufacturing

Roeder, Ina ; Scheibleger, Matthias ; Stark, Rainer (2016)

Raising awareness on sustainable manufacturing, especially when it comes to low qualified target groups, remains a challenge. After a decade of considerable campaigning work, the majority of German population still does not understand the holistic concept of a sustainable development, let alone its manufacturing aspects. More effective communication methods are required. The main challenge lies...

Adapting Ergonomic Assessments to Social Life Cycle Assessment

Chang, Ya-Ju ; Nguyen, The Duy ; Finkbeiner, Matthias ; Krüger, Jörg (2016)

In Social Life Cycle Assessment (SLCA), the health and safety aspect of workers is usually evaluated by considering the numbers of injuries and accidents; however, the work related musculoskeletal disorders (MSDs), which dominate occupational diseases, are often neglected in SLCA since the effects do not occur immediately. Thus, the MSDs lead to increased working absences and compensation costs...

Advances in Tool Grinding and Development of End Mills for Machining of Fibre Reinforced Plastics

Uhlmann, Eckart ; Schröer, Nikolas (2015)

The extensive use of lightweight construction materials in the aerospace industry poses a great challenge for tool manufacturers. Materials like carbon fibre reinforced plastics (CFRP) are difficult to machine and therefore put high demands on cutting tools in terms of the cutting material as well as the macro- and microscopic design. In this paper two approaches for the improvement of CFRP mil...

High Power Laser Beam Welding of Thick-walled Ferromagnetic Steels with Electromagnetic Weld Pool Support

Fritzsche, André ; Avilov, Vjaceslav ; Gumenyuk, Andrey ; Hilgenberg, Kai ; Rethmeier, Michael (2016)

The development of modern high power laser systems allows single pass welding of thick-walled components with minimal distortion. Besides the high demands on the joint preparation, the hydrostatic pressure in the melt pool increases with higher plate thicknesses. Reaching or exceeding the Laplace pressure, drop-out or melt sagging are caused. A contactless electromagnetic weld support system wa...

The Working Posture Controller - automated adaptation of the workpiece pose to enable a neutral working posture

Nguyen, The Duy (2018)

The human worker plays a vital role on the production line. Although modern automation technology has succeeded in replacing much of the workforce in factories, there are scenarios where full automation cannot be realised. For example, enterprises offering a broad portfolio of varying products can often not afford the reconfiguration costs of frequently changing manufacturing facilities. Moreov...

Einsatzverhalten und Leistungsbedarfe unterschiedlicher Kühlkonzepte beim Außen-Längs-Runddrehen

Fürstmann, Paul Günter (2018)

Hochwarmfeste Werkstoffe bewirken bei der Drehbearbeitung eine hohe thermo-mechanische Beanspruchung der Zerspanwerkzeuge. Neben der Erforschung neuer Schneidstoffe und Hartstoffschichten ist die Kühlschmierung der Zerspanzone das wirksamste Mittel, die Produktivität zu steigern und den Werkzeugverschleiß zu verringern. Neben der Überflutungskühlung mit Kühlschmierstoff können auch geschlossen-...

Extended list of references - Knowledge in engineering design: A systematic literature review on artifacts and IT systems

Preidel, Maurice ; Wang, Wei Min ; Exner, Konrad ; Stark, Rainer (2018)

Extended list of references, listing the reviewed literature with full bibliographic information. Supplement to article "Knowledge in engineering design: A systematic literature review on artifacts and IT systems" published at DESIGN Conference 2018.

What is the “Source” of Open Source Hardware?

Bonvoisin, Jérémy ; Mies, Robert ; Boujut, Jean-François ; Stark, Rainer (2017)

What “open source” means once applied to tangible products has been so far mostly addressed through the light of licensing. While this approach is suitable for software, it appears to be over-simplistic for complex hardware products. Whether such a product can be labelled as open source is not only a question of licence but a question of documentation, i.e. what is the information that sufficie...

Benefits and obstacles of sustainable product development methods

Stark, Rainer ; Buchert, Tom ; Neugebauer, Sabrina ; Bonvoisin, Jérémy ; Finkbeiner, Matthias (2017)

In the last few years, numerous approaches have been introduced for supporting design engineers in developing more sustainable products. However, so far, these efforts have not led to the establishment of a commonly acknowledged standard methodology for Sustainable Product Development (SPD). This brings into question the relevance of developing new methods and calls for more efforts in testing ...

Analysing the impacts of various environmental parameters on the biodiversity status of major habitats

Winter, Lisa ; Berger, Markus ; Minkov, Nikolay ; Finkbeiner, Matthias (2017)

Anthropogenic impacts on the environment often result in loss of biodiversity. However, the effects of different parameters (such as soil pH) on biodiversity, which can be influenced by human activities, are poorly investigated on a global scale. The paper at hand proposes an approach to examine the relationship between biodiversity and several parameters, which can be anthropogenically influen...

Maturity measurement of knowledge‐intensive business processes

Jochem, Roland ; Geers, Dennis ; Heinze, Priscilla (2011)

Purpose – The methods of quality management, business process management and knowledge management have until now been exploited by science and the industry separately. An integration of these disciplines could unlock the potential of a solid structure to measure and gradually improve knowledge transfer processes. This paper aims to address this issue. Design/methodology/approach – A maturity mo...

Combined influence of ectoine and salt: spectroscopic and numerical evidence for compensating effects on aqueous solutions

Hahn, Marc Benjamin ; Uhlig, Frank ; Solomun, Tihomir ; Smiatek, Jens ; Sturm, Heinz (2016)

Ectoine is an important osmolyte, which allows microorganisms to survive in extreme environmental salinity. The hygroscopic effects of ectoine in pure water can be explained by a strong water binding behavior whereas a study on the effects of ectoine in salty solution is yet missing. We provide Raman spectroscopic evidence that the influence of ectoine and NaCl are opposing and completely indep...

A novel excitation method for pyroshock simulation

Houshmand, Behnam ; Lacher, Alexander ; Juengel, Níkolas ; Prasol, Lukas ; Wagner, Utz von ; Uhlmann, Eckart (2016)

Pyroshocks are structural responses to transient excitation caused by the essential use of pyrotechnic devices in aerospace applications. In order to avoid damage in aerospace structures due to pyroshocks, tests are performed on earth prior to launching space modules. In these tests, explosive loads are often replaced by alternative excitation methods such as hammer pendulums or shakers simulat...

Field of research in sustainable manufacturing

Bonvoisin, Jérémy ; Stark, Rainer ; Seliger, Günther (2017)

Sustainability has raised significant attention in manufacturing research over the last decades and has become a significant driver of the development of innovative technologies and management concepts. The current chapter aims to provide a structured overview of the wide field of research in sustainable manufacturing with a particular focus on manufacturing technology and management. It intend...

Future of business models in manufacturing

Seidel, Johannes ; Barquet, Ana-Paula ; Seliger, Günther ; Kohl, Holger (2017)

In order to achieve systematic change in pursuit of sustainable manufacturing, both a strategic long-term perspective employing methods from future studies and a concrete implementation of the knowledge gained in sustainable business models are necessary. In this chapter, the concepts and exemplary methods for sustainable business model innovation are introduced with a special focus on sustaina...

Sustainability dynamics

Stark, Rainer ; Lindow, Kai (2017)

Value creation ensures societal prosperity. At the same time, Sustainable Development determines the future of global human wellbeing. Both aspects are based on profound environmental, social and economic mechanisms—and both aspects are closely linked. The Sustainability Dynamics Model describes the direct and indirect effects of value creation together with the three dimensions of Sustainable ...