Integrated assessment and optimization of dual environment and production drivers in grinding

Jinling Wang, Yebing Tian, Xintao Hu, Jinguo Han and Bing Liu

Energy, 2023, vol. 272, issue C

Abstract: Grinding is a common machining process for efficiently manufacturing high-end products. However, abundant electrical energy is wasted in grinding due to its inefficient use, thus causing economic loss as well as environmental pollution. Although green grinders are evolving, their high investment cost prevents the majority of discrete manufacturers from using them immediately. Optimization of the grinding process is a straightforward and cost-effective alternative, but proper reference parameters are not known for saving energy and reducing pollution. With an attempt to maintain a balance between production and environment, novel parametric models are established for assessment and multi-objective optimization by considering various issues, such as the efficiency of time, the surface quality of product, consumption of energy, recycling and replacement of coolant, exposure of noise hazard, mass of produced dust, and cost of environmental factors. A popular multi-objective optimizer, namely the non-dominated sorting genetic algorithm-II (NSGA-II), is applied for directly obtaining the Pareto front containing the set of optimal trade-off solutions. The experimental results obtained in the case of ceramic grinding show 90% accuracy of the proposed model. An integrated environmental improvement of 200% is achieved by a minor loss of 7.41% within the required range of surface quality.

Keywords: Grinding energy flow; Integrated energy evaluation; Environmental cost; Dual drivers; Sustainable manufacturing (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:272:y:2023:i:c:s0360544223004401

DOI: 10.1016/j.energy.2023.127046

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