A new characterization methodology for assessing machinability through cutting energy consumption

IF 4.6 2区 工程技术 Q2 ENGINEERING, MANUFACTURING
Kai Ma , Zhanqiang Liu , Bing Wang , Delin Liu
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引用次数: 0

Abstract

Improving machinability has consistently been an essential research topic in the machining community. However, a rapid and effective method to characterize machinability from the fundamental essence of machining is still lacking. This work proposed a new characterization methodology for assessing machinability from the principle of cutting energy consumption. An original Drop Hammer based Orthogonal Cutting (DHOC) test machine driven by gravitational potential energy was developed to conduct the machinability test. Using the Cutting Distance with Equal Energy (CDEE) method, machinability can be assessed by measuring the cutting distance without expensive measuring apparatus. Therefore, the cutting distance indicator can simplify the test procedure. Meanwhile, the CDEE method avoids the necessity for precisely calculating the consumptions of various complex cutting energies. Moreover, in-situ measurements coupled with the Digital Image Correlation (DIC) technique and Electron Back-Scattered Diffraction (EBSD) characterizations were utilized to evaluate the deformation characteristics and surface integrity during the CDEE tests. The proposed CDEE method has been validated from three aspects involving materials, cutting tools, and surface modification technology. Furthermore, a machinability optimization procedure based on the CDEE method has been proposed. The cutting distance indicator was used as an optimization objective for optimizing technology parameters to improve machinability. This CDEE method based on the DHOC test machine proved to have high application potential for the characterization and optimization of machinability.
通过切削能耗评估加工性能的新表征方法
提高加工性能一直是机械加工领域的重要研究课题。然而,目前仍缺乏一种快速有效的方法,从机械加工的根本本质出发来表征机械加工性能。这项工作提出了一种从切削能耗原理评估加工性能的新表征方法。为了进行加工性测试,我们开发了一种由重力势能驱动的基于落锤正交切削(DHOC)试验机。使用等能量切割距离(CDEE)方法,无需昂贵的测量仪器,只需测量切割距离即可评估可加工性。因此,切削距离指示器可以简化测试程序。同时,CDEE 方法避免了精确计算各种复杂切削能量消耗的必要性。此外,在 CDEE 试验过程中,还利用原位测量、数字图像相关(DIC)技术和电子背散射衍射(EBSD)特性来评估变形特征和表面完整性。从材料、切削工具和表面改性技术三个方面对所提出的 CDEE 方法进行了验证。此外,还提出了基于 CDEE 方法的可加工性优化程序。切削距离指标被用作优化技术参数以提高加工性能的优化目标。事实证明,这种基于 DHOC 试验机的 CDEE 方法在表征和优化加工性能方面具有很大的应用潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CIRP Journal of Manufacturing Science and Technology
CIRP Journal of Manufacturing Science and Technology Engineering-Industrial and Manufacturing Engineering
CiteScore
9.10
自引率
6.20%
发文量
166
审稿时长
63 days
期刊介绍: The CIRP Journal of Manufacturing Science and Technology (CIRP-JMST) publishes fundamental papers on manufacturing processes, production equipment and automation, product design, manufacturing systems and production organisations up to the level of the production networks, including all the related technical, human and economic factors. Preference is given to contributions describing research results whose feasibility has been demonstrated either in a laboratory or in the industrial praxis. Case studies and review papers on specific issues in manufacturing science and technology are equally encouraged.
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