Measures for Energy-Efficient Process Chains

Publikation: Beitrag in FachzeitschriftKonferenzaufsatz in FachzeitschriftForschungPeer-Review

Autoren

  • B. Denkena
  • M. A. Dittrich
  • S. Kettelmann
  • L. Reuter
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Details

OriginalspracheEnglisch
Seiten (von - bis)288-293
Seitenumfang6
FachzeitschriftProcedia CIRP
Jahrgang98
Frühes Online-Datum10 März 2021
PublikationsstatusVeröffentlicht - 2021
Veranstaltung28th CIRP Conference on Life Cycle Engineering, LCE 2021 - Jaipur, Indien
Dauer: 10 März 202112 März 2021

Abstract

Energy efficiency is an essential factor for promoting sustainable manufacturing. Various types of energy consumption occur in modern process chains. This includes usage of electrical energy, e.g. for machine tools or air compression, but also energy consumption through use of resources (such as raw materials and supplies). In this paper, a process chain from the automotive industry is considered with the purpose of identifying energy saving potentials of various kinds. The process chain is used for the production of an axle component. In order to evaluate saving potentials, the current state of the process chain is analyzed. Then, the impact of process parameter optimization on the energy demand is examined. It was found that small energy savings through parameter optimization are possible. However, this can be problematic since process parameters are closely linked to process reliability, so energy savings might be achieved at the expense of product quality. Furthermore, it turns out that the reduction of the process energy is not sufficient for a broad energetic optimization of the process chain and base load reducing measures are required instead. Therefore, further analysis is focused on energetic effects of such measures as machine design, recycling, adjustments of process chain and product design. These were found to be an effective lever for minimizing energy demand of the process chain. A combination of feasible measures adds up to a potential energy saving of 11.5% in the investigated scenario.

Zitieren

Measures for Energy-Efficient Process Chains. / Denkena, B.; Dittrich, M. A.; Kettelmann, S. et al.
in: Procedia CIRP, Jahrgang 98, 2021, S. 288-293.

Publikation: Beitrag in FachzeitschriftKonferenzaufsatz in FachzeitschriftForschungPeer-Review

Denkena, B, Dittrich, MA, Kettelmann, S & Reuter, L 2021, 'Measures for Energy-Efficient Process Chains', Procedia CIRP, Jg. 98, S. 288-293. https://doi.org/10.1016/j.procir.2021.01.105
Denkena, B., Dittrich, M. A., Kettelmann, S., & Reuter, L. (2021). Measures for Energy-Efficient Process Chains. Procedia CIRP, 98, 288-293. https://doi.org/10.1016/j.procir.2021.01.105
Denkena B, Dittrich MA, Kettelmann S, Reuter L. Measures for Energy-Efficient Process Chains. Procedia CIRP. 2021;98:288-293. Epub 2021 Mär 10. doi: 10.1016/j.procir.2021.01.105
Denkena, B. ; Dittrich, M. A. ; Kettelmann, S. et al. / Measures for Energy-Efficient Process Chains. in: Procedia CIRP. 2021 ; Jahrgang 98. S. 288-293.
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Download

TY - JOUR

T1 - Measures for Energy-Efficient Process Chains

AU - Denkena, B.

AU - Dittrich, M. A.

AU - Kettelmann, S.

AU - Reuter, L.

N1 - Funding Information: The authors thank the Federal Ministry for Economic Affairs and Energy (BMWi) for its financial and organizational support of the project 25”nrraPe20ow“ (03ET1531A).

PY - 2021

Y1 - 2021

N2 - Energy efficiency is an essential factor for promoting sustainable manufacturing. Various types of energy consumption occur in modern process chains. This includes usage of electrical energy, e.g. for machine tools or air compression, but also energy consumption through use of resources (such as raw materials and supplies). In this paper, a process chain from the automotive industry is considered with the purpose of identifying energy saving potentials of various kinds. The process chain is used for the production of an axle component. In order to evaluate saving potentials, the current state of the process chain is analyzed. Then, the impact of process parameter optimization on the energy demand is examined. It was found that small energy savings through parameter optimization are possible. However, this can be problematic since process parameters are closely linked to process reliability, so energy savings might be achieved at the expense of product quality. Furthermore, it turns out that the reduction of the process energy is not sufficient for a broad energetic optimization of the process chain and base load reducing measures are required instead. Therefore, further analysis is focused on energetic effects of such measures as machine design, recycling, adjustments of process chain and product design. These were found to be an effective lever for minimizing energy demand of the process chain. A combination of feasible measures adds up to a potential energy saving of 11.5% in the investigated scenario.

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KW - CED

KW - detailed planning

KW - energy optimization

KW - process chain

KW - production control

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