Exergy Efficiency Analysis and Evaluation Model of Dry-cutting Machine Tools Considering Cooling Energy Consumption

被引：1
|
作者：
Wang Q. [1 ]
Cao H. [1 ]
Lin J. [2 ]
Lai K. [1 ]
Li B. [3 ]
Ge W. [1 ]
机构：
[1] State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing
[2] Shandong Institute of Mechanical Design and Research, Qilu University of Technology, Jinan
[3] College of Mcchatronic Engineering, Southwest Petroleum University, Chengdu
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2023年 / 34卷 / 19期
关键词：
cooling energy consumption; dry-cutting machine tool; evaluation model; exergy efficiency; green manufacturing;
D O I：
10.3969/j.issn.1004-132X.2023.19.008
中图分类号：
学科分类号：
摘要：
To study the cooling energy consumption used to keep the heat balance of machine tools and to more accurately reveal the potential in energy efficiency improvements for machine tools, the exergy analysis of dry-cutting machine tools and their cooling systems was analyzed, and exergy efficiency indicators of machine tools were proposed. An exergy efficiency evaluation model of machine tools was established considering the energy consumption for material removal and cooling, and the feasibility and reliability of this model were verified with the case study of high-speed dry gear nobbing. The results show that exergy efficiencies of all the cooling devices for high-speed dry gear nobbing machine tools are below 30% and the exergy losses are high. In order to improve the energy efficiency of machine tools, the exergy losses of the air filters and the air compression stations should be reduced, the exergy efficiency of the air compression stations and the hydraulic stations should be increased. This paper may provide theoretical support for the evaluation and energy-saving optimization of the precision green operations for dry-cutting machine tools. © 2023 China Mechanical Engineering Magazine Office. All rights reserved.
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页码：2333 / 2342
页数：9
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