Wear of Abrasive Tools during CMC Machining

IF 2.1 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Machines Pub Date : 2023-11-13 DOI:10.3390/machines11111021

Franck Andrés Girot Mata, Mario Alfredo Renderos Cartagena, Unai Alonso Pinillos, Borja Izquierdo Aramburu

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引用次数: 0

Abstract

Machining CMCs under productivity conditions while limiting tool wear and material damage is a challenge for applications such as jet aircraft engines and industrial turbines. This contribution focused on developing a method to characterize the wear of abrasive tools based on fractal dimensions. This solution allows characterization of the state of the tool after each machining and identification of the type of damage to the tool (regular wear of the diamond grains, cleavage, or breakage) and its influence on the cutting forces, in addition to damage to the machined material and the quality of the machined surface. Thus, the chipped area and the maximum chipping are directly associated with the fractal dimension of the tool surface and the metal removal rate of the process. The quality of the surface (Sa, Sz, and Sq) is associated with the fractal dimension of the surface of the tool characterizing the state of the grinding wheel and the radial depth of cut ae characterizing the engagement of the tool in the CMC material. Moreover, the results also demonstrated that the use of an abrasive tool associated with cutting conditions close to milling and not grinding is a viable solution.

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CMC加工过程中磨具的磨损

在生产率条件下加工cmc，同时限制刀具磨损和材料损坏是喷气飞机发动机和工业涡轮机等应用的挑战。这一贡献集中在开发一种基于分形维数表征磨具磨损的方法。该解决方案允许表征每次加工后刀具的状态，识别刀具的损坏类型(金刚石颗粒的常规磨损、解理或断裂)及其对切削力的影响，以及对加工材料的损坏和加工表面的质量。因此，切削面积和最大切削量与刀具表面的分形维数和切削过程的金属去除率直接相关。表面质量(Sa, Sz和Sq)与表征砂轮状态的刀具表面分形维数和表征刀具与CMC材料接合的径向切削深度有关。此外，结果还表明，使用与切削条件接近铣削而不是磨削相关的磨料工具是可行的解决方案。

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

Machines Multiple-

CiteScore

3.00

自引率

26.90%

发文量

1012

审稿时长

11 weeks

期刊介绍： Machines (ISSN 2075-1702) is an international, peer-reviewed journal on machinery and engineering. It publishes research articles, reviews, short communications and letters. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. Full experimental and/or methodical details must be provided. There are, in addition, unique features of this journal: *manuscripts regarding research proposals and research ideas will be particularly welcomed *electronic files or software regarding the full details of the calculation and experimental procedure - if unable to be published in a normal way - can be deposited as supplementary material Subject Areas: applications of automation, systems and control engineering, electronic engineering, mechanical engineering, computer engineering, mechatronics, robotics, industrial design, human-machine-interfaces, mechanical systems, machines and related components, machine vision, history of technology and industrial revolution, turbo machinery, machine diagnostics and prognostics (condition monitoring), machine design.