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In manufacturing, fusion welding processes use a lot of resources, which presents an opportunity to reduce environmental impact. While there is a general understanding of the environmental impact of these processes, it is difficult to quantitatively assess key parameters. This study introduces a welding-specific methodology that uses life cycle assessment (LCA) to evaluate the environmental impact of fusion welding technologies. Our approach analyses the main parameters that affect the environmental performance of different welding techniques, including traditional methods and additive manufacturing through the Direct Energy Deposition-Arc (DED-Arc) process. We integrate real-time resource usage data to offer an innovative framework for directly deriving environmental impacts. This research contributes to optimising welding processes by providing a precise and quantifiable measure of their ecological impact, facilitating the advancement of sustainable manufacturing practices.
Life cycle assessment of fusion welding processes considering upstream and downstream process steps
(2023)
In manufacturing, fusion welding processes consume significant resources, presenting a significant opportunity for reducing environmental impact. Although there is a qualitative understanding of the environmental implications of these processes, a quantitative assessment of key parameters remains complex. This study introduces a welding-specific methodology that employs life cycle assessment (LCA) to quantitatively evaluate the environmental footprint of fusion welding technologies. Our approach identifies and analyses the principal parameters affecting the environmental performance of various welding techniques, including traditional joint welding and additive manufacturing via the Direct Energy Deposition-Arc (DED-Arc) process. Real-time resource usage data is integrated to offer an innovative framework for directly deriving environmental impacts. This research contributes to optimising welding processes by providing a precise and quantifiable measure of their ecological impact. This facilitates the advancement of sustainable manufacturing practices.
In diesem Vortrag werden die aktuellen Forschungsergebnisse im Bereich der ökologischen Bilanzierung von Schweißprozessen dargestellt. Der Fokus liegt hierbei in der automatisierten Berechnung der Umweltwirkungen der Schweißprozesse unter Berücksichtigung vor- und nachgelagerter Prozessschritte. Die Ermittlung der Ökobilanz eines Schweißprozesses erfordert lediglich die Sachbilanzierung relevanter In- und Outputströme. Letztere werden auf Basis entsprechender Sensormessdaten (Leistungsaufnahme Schweißanlagen, Medienverbrauch, etc.) automatisiert nachverfolgbar für jede Schweißung ermittelt.