Advanced and Sustainable Machining

Special Issue Editors


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Guest Editor
Institute of Resource and Energy Efficient Production Systems, Friedrich-Alexander-University of Erlangen-Nuremberg, 90762 Fürth, Germany
Interests: sustainable manufacturing; cooling strategies for machining; life cycle assessment of manufacturing processes; digital twins

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Guest Editor
Sustainable Manufacturing & Life Cycle Engineering, Institute of Machine Tools and Production Technology (IWF), Technische Universität Braunschweig, 38106 Braunschweig, Germany
Interests: sustainability; manufacturing; life cycle engineering; life cycle management

Special Issue Information

Dear Colleagues,

Sustainable machining aims to reduce negative impacts regarding the social, ecological and economical dimensions in manufacturing. To improve sustainability, the material input and output of the machining process should be considered, as well as tools and supporting media such as cooling lubricants. Moreover, innovative tool design and cutting materials contribute to increased efficiency. Beyond the process perspective, machine tools have an impact on sustainability due to higher energy efficiency or process integration. Finally, the acquisition of sustainable-related data and their application for standards such as life cycle assessment represents a major lever to ensure sustainability in machining processes. 

In this Special Issue of JMMP, we are looking for recent research focusing on sustainable machining processes, technologies and machine tools. The contributions should also address innovative concepts and models for holistic sustainability assessment based on existing standards such as life cycle assessment. Papers will be taken into account showing significant improvement compared to the state of the art regarding sustainability assessment, process stability, cooling strategies and media, material and tool aspects as well as data acquisition and digital twin approaches with respect to social, ecological and economical aspects of machining processes.

Prof. Dr. Nico Hanenkamp
Prof. Dr. Christoph Herrmann
Guest Editors

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Keywords

  • sustainability assessment of machining processes based on established standards
  • innovative processes and technologies and sustainability aspects of machine tools
  • process monitoring and data acquisition for sustainable manufacturing
  • digital twin and applications for sustainability improvement

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Published Papers (1 paper)

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Research

15 pages, 5194 KB  
Article
Investigations on the Effect of Fluid Jet to Wheel Speed Ratio on Specific Grinding Energy
by Ablie Njie, Tobias Hüsemann and Bernhard Karpuschewski
J. Manuf. Mater. Process. 2026, 10(1), 18; https://doi.org/10.3390/jmmp10010018 - 6 Jan 2026
Viewed by 495
Abstract
The use of metalworking fluid (MWF) in surface grinding is essential, but its supply contributes notably to the process energy demand. This study investigates the effect of the fluid jet to wheel speed ratio qs on specific grinding energy and associated CO [...] Read more.
The use of metalworking fluid (MWF) in surface grinding is essential, but its supply contributes notably to the process energy demand. This study investigates the effect of the fluid jet to wheel speed ratio qs on specific grinding energy and associated CO2 emissions. Experiments with grinding wheels of different grit sizes (F60–F120) were conducted at cutting speeds of 35 and 60 m/s. Critical specific material removal rates Qw, crit were determined by taper grinding, with the onset of grinding burn identified by Barkhausen noise analysis. Based on these values and the grinding wheel width, specific process energies etotal were derived from grinding, pump, and machine base load. F120 wheels showed no systematic dependence of Qw, crit on qs, whereas for coarser F80 and F60 wheels, decreasing qs from 1.0 to 0.6 increased Qw, crit by 13–27% at 35 m/s and decreased it by 33–35% at 60 m/s. The most efficient process (F60, 35 m/s, qs = 0.6) required 152.8 J/mm3, the least efficient (F120, 60 m/s, qs = 0.8) 333.1 J/mm3. Because CO2 emissions scale with etotal, the relative differences in energy directly indicate relative differences in CO2 output. An illustrative case study shows that adjusting qs alone (F80, 35 m/s) lowers annual emissions from 0.284 t to 0.206 t, a reduction of approximately 27%. These findings highlight the influence of qs on grinding efficiency and process energy demand. Full article
(This article belongs to the Special Issue Advanced and Sustainable Machining)
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