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A novel energy efficiency grade evaluation approach for machining systems based on inherent energy efficiency
International Journal of Production Research ( IF 9.2 ) Pub Date : 2020-08-07
Feng Ma, Hua Zhang, Qingshan Gong, K. K. B. Hon

Characterising the energy efficiency grades of machining systems (MS) is an effective analytical methodology or management tool that helps to establish the high energy-efficient MS. However, the current MS energy efficiency approaches still lack scientific and practical formulation strategies to addresses this issue due to its multi-source and variable energy consumption characteristics. Focusing on this challenge, a new concept of inherent energy efficiency (IEE), which is formed in the design and formation phases of the MS, is proposed. Meanwhile, a novel energy efficiency grade evaluation (EEGE) approach based on IEE is also presented. The proposed EEGE approach not only can evaluate the MS energy efficiency grades, but also can reveal the MS high energy-efficient intervals. According to the analysis of IEE in MS, the EEGE approach is developed in three steps: (i) the establishment of IEE evaluating indicator system from both inherent energy utilisation (IEU) and inherent specific energy (ISE), (ii) the acquisition of the IEE, and (iii) the development of a quantitative method for the EEGE in MS. Finally, a case study of energy efficiency grade evaluation and analysis for an XK714D CNC milling machining centre is examined, illustrating the practicability of the proposed method.



中文翻译:

基于内在能效的加工系统能效等级评估方法

表征加工系统(MS)的能效等级是一种有效的分析方法或管理工具,有助于建立高能效的MS。但是,由于其多源性和可变能耗特性,当前的MS能源效率方法仍然缺乏科学和实用的制定策略来解决此问题。针对这一挑战,提出了在MS的设计和形成阶段中形成的固有能效(IEE)的新概念。同时,提出了一种基于IEE的新型能效等级评价方法。所提出的EEGE方法不仅可以评估MS的能效等级,而且可以揭示MS的高能效间隔。根据MS中IEE的分析,EEGE方法分为三个步骤:(i)从固有能量利用(IEU)和固有比能(ISE)建立IEE评价指标体系,(ii)收购IEE,以及(iii)开发MS中EEGE定量方法的说明。最后,以某XK714D数控铣削加工中心的能效等级评价与分析为例,说明了该方法的实用性。

更新日期:2020-08-08
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