Automated production systems require continuous maintenance and validation through regression tests after on-site changes. However, identifying change-affected system parts, selecting relevant test steps, and scheduling them time-efficiently are …
Due to increasing demands regarding higher manufacturing accuracy and the machining of high-strength materials, the stiffness and load-carrying capacity of main spindles must be enhanced. One approach is to replace the conventionally used angular …
verfasst von:
Marcus Gärtner, Christian Brecher, Stephan Neus, Hans-Martin Eckel, Anton Strachkov, Ralph Klimaschka
Scan strategy plays a key role in the densification of laser powder bed fusion (LPBF) processed materials. Still, it garnered less attention from researchers worldwide doing parameter optimization who focus more on quantitative parameters like …
In the era of smart manufacturing, modern manufacturing systems face high demands for enhancing process performance and reducing machine downtime. Sensors and process data are essential for successfully implementing data-driven approaches to …
verfasst von:
Birgit Vogel-Heuser, Alejandra Vicaria, Fan Ji, Josua Höfgen, Manuel Jäckisch, Michael Lechner, Marion Merklein
In the last decade, metalworking firms around the world faced the challenge of embracing Industry 4.0. Amidst this, some machining companies battle with outdated, unconnected equipment on their shop floors. This work introduces a novel methodology …
verfasst von:
Dalberto Dias Da Costa, Vinicius Otto Mehl, Francisco Ricardo Taborda Aguiar
Honing operations, e.g. microfinishing, are resulting in high quality surfaces with a roughness values, e.g., average roughness Ra, of only a few micro- to nanometer [1]. The simulation of honing processes can be beneficial to reduce experimental …
verfasst von:
Ines Heining, Jim A. Bergmann, Meik Tilger, Dirk Biermann, Petra Wiederkehr
Additive Manufacturing (AM) offers revolutionary design capabilities but introduces cybersecurity vulnerabilities due to its digital integration. While existing research focuses on cyber threats, a significant gap exists in addressing physical and …
Mass customization and shorter product life cycles are causing ever more variants in production, especially in manual assembly. At the same time, more diverse personnel structures are emerging due to demographic change and labor shortages. This is …
verfasst von:
Maria Maier, Kim Julia Schoenfelder, Michael F. Zaeh
The coating process in lithium-ion battery manufacturing is designed to distribute stirred slurry on substrates. The coating results have a significant effect on the performance of lithium-ion batteries. A well-controlled coating process can avoid …
This study delves into challenges in designing resilient retail supply chains, examining recent research on strategies amidst uncertainty. It employs stochastic programming to integrate uncertainties into a two-stage model, incorporating nine …
Additive manufacturing (AM) allows the construction of customized objects from the 3D printing of pre-modeled objects. Defects may occur during the printing process that impact user satisfaction. The inspection procedure is usually performed by a …
verfasst von:
Lucas Macedo da Silva, Symone G. S. Alcalá, Talles Marcelo G. de A. Barbosa, Rui Araújo
Disturbance factors, such as self-excited tool vibrations, limit the performance of modern machining processes and thus restrict the quality, productivity and sustainability of industrially manufactured components. The dynamic process stability is …
The bullwhip effect is one of the most important reasons for reducing the performance of the supply chain (SC) and imposes many costs on the industry. Various reasons cause the bullwhip effect (BWE), the most important of which are improper …
Machine learning (ML) offers high potential in manufacturing industry; moreover, for example the effectiveness of quality prediction and evaluation can be greatly improved using Machine Learning, which can generate significant competitive …
verfasst von:
Peter Burggräf, Fabian Steinberg, Carl René Sauer, Philipp Nettesheim
Modal parameters (natural frequencies, mode shapes and modal damping) help to understand the dynamic behaviour of complex systems like machine tools. There are several approaches for finding the modal parameters. The Experimental Modal Analysis …
verfasst von:
Jan Berthold, Martin Kolouch, Joachim Regel, Martin Dix
A central element of industrial production is the manufacturing of finished parts from raw material. Even in highly automated environments, processes like milling still rely on human intervention. On-site human operators play a crucial role in …
verfasst von:
Taimur K. Khan, Philipp Schworm, Moritz F. Glatt, Catherinemary Ugoji, Achim Ebert, Jan C. Aurich
Joint maintenance and production scheduling is very important and challenging in the smart manufacturing field. Multi-agent systems based on Contract-Net Protocol (CNP) have been proposed to solve this scheduling problem, to reduce complexity …
As a consequence of the increasing market share of hybrid and all-electric mobility solutions, there is a need for robust manufacturing technologies that enable the efficient production of powerful electric traction motors in automotive industry.
The importance of process monitoring has increased significantly in today’s manufacturing landscape due to several factors. These factors include stricter quality standards, the presence of complex and diverse processes for customized products …
verfasst von:
Clemens Gonnermann, Sebastian Kurscheid, Benedikt Schmucker, Rüdiger Daub
The Lean methodology is an interesting way to improve industrial companies’ performance. To implement Lean, training appears to be an important success factor. In the early 2000s, the Lean Aerospace Initiative introduced the Lean Enterprise Model …