Abstract
Since the application of mechanical joining methods, such as clinching or riveting, offers a robust solution for the generation of advanced multi-material connections, the use in the field of lightweight designs (e.g. automotive industry) is steadily increasing. Therefore, not only the design of an individual joint is required but also the dimensioning of the entire joining connection is crucial. However, in comparison to thermal joining techniques, such as spot welding, the evaluation of the joints’ resistance against defined requirements (e.g. types of load, minimal amount of load cycles) mainly relies on the consideration of expert knowledge, a few design principles and a small amount of experimental data. Since this generally implies the involvement of several domains, such as the material characterization or the part design, a tremendous amount of data and knowledge is separately generated for a certain dimensioning process. Nevertheless, the lack of formalization and standardization in representing the gained knowledge leads to a difficult and inconsistent reuse, sharing or searching of already existing information. Thus, this contribution presents a specific ontology for the provision of cross-domain knowledge about mechanical joining processes and highlights two potential use cases of this ontology in the design of clinched and pin joints.
Highlights
The benefits of mechanical joining processes, such as their high cost- and time-efficiency as well as their possibility to join dissimilar materials with or without the use of auxiliary joining elements, lead to an increased use of such processes, in the context of lightweight design
The excerpt of the knowledge base is demonstrated on the latter procedure while the testing of the ontology considering example queries is demonstrated for both methods
Summary This contribution presents an ontology for the provision of cross-domain knowledge about mechanical joining processes
Summary
The benefits of mechanical joining processes, such as their high cost- and time-efficiency as well as their possibility to join dissimilar materials with or without the use of auxiliary joining elements, lead to an increased use of such processes, in the context of lightweight design. Their environmentally friendliness and the lower energy consumption enable to achieve emission targets and regulatory requirements. The formalization of data creates new opportunities for intensifying and supporting the sharing and reuse of knowledge in the domain of mechanical joining processes. Thereby, the focus is on facts regarding the mechanical joint as central object of interest and on aligning information to this object concerning joining possibility, suitability and safety using clinching and pin joining as an example
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