Abstract
In large-scale production of deep drawing parts, like in automotive industry, the effects of scattering material properties as well as warming of the tools have a significant impact on the drawing result. In the scope of the work, an approach is presented to minimize the influence of these effects on part quality by optically measuring the draw-in of each part and adjusting the settings of the press to keep the strain distribution, which is represented by the draw-in, inside a certain limit. For the design of the control algorithm, a design of experiments for in-line tests is used to quantify the influence of the blank holder force as well as the force distribution on the draw-in. The results of this experimental dataset are used to model the process behavior. Based on this model, a feedback control loop is designed. Finally, the performance of the control algorithm is validated in the production line. Mehr anzeigen
Persistenter Link
https://doi.org/10.3929/ethz-b-000220461Publikationsstatus
publishedExterne Links
Zeitschrift / Serie
Journal of Physics: Conference SeriesBand
Seiten / Artikelnummer
Verlag
IOP PublishingKonferenz
Organisationseinheit
03685 - Hora, Pavel (emeritus) / Hora, Pavel (emeritus)