Micro-Machining Characteristics in High-Speed Magnetic Abrasive Finishing for Fine Ceramic Bar

The research aims to describe the micro-machining characteristics in a high-speed magnetic abrasive finishing, which is applicable for achieving the high surface accuracy and dimensional accuracy of fine ceramic bars that are typically characterized by strong hardness and brittle susceptibility. In...

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Main Authors: Joonhyuk Song, Takeo Shinmura, Sang Don Mun, Minyoung Sun
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Metals
Subjects:
Online Access:https://www.mdpi.com/2075-4701/10/4/464
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author Joonhyuk Song
Takeo Shinmura
Sang Don Mun
Minyoung Sun
author_facet Joonhyuk Song
Takeo Shinmura
Sang Don Mun
Minyoung Sun
author_sort Joonhyuk Song
collection DOAJ
description The research aims to describe the micro-machining characteristics in a high-speed magnetic abrasive finishing, which is applicable for achieving the high surface accuracy and dimensional accuracy of fine ceramic bars that are typically characterized by strong hardness and brittle susceptibility. In this paper, the high-speed magnetic abrasive finishing was applied to investigate how the finishing parameters would have effects on such output parameters as surface roughness, variation of diameters, roundness, and removed weight. The results showed that, under variants of diamond abrasives sizing between (1, 3 and 9 µm), 1 µm showed comparatively good values as for surface roughness and roundness within shortest processing time. When the optimal condition was used, the surface roughness <i>R</i>a and roundness (LSC) were improved to 0.01 µm and 0.14 µm, respectively. The tendency of diameter change could be categorized into two regions—stable and unstable. The finding from the study was that the performance of ultra-precision processing linear controlling was possibly achievable for the stable region of diameter change, while linearly controlling diameters in the workpiece.
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spelling doaj.art-1b6a659b2779432ca9abb7bc08751b862023-11-19T20:31:48ZengMDPI AGMetals2075-47012020-04-0110446410.3390/met10040464Micro-Machining Characteristics in High-Speed Magnetic Abrasive Finishing for Fine Ceramic BarJoonhyuk Song0Takeo Shinmura1Sang Don Mun2Minyoung Sun3Korea Institute of Carbon Convergence Technology, 10, Unam-ro, Deokjin-gu, Jeonju 54853, KoreaDepartment of Mechanical Systems Engineering, Utsunomiya University, 7-1-2, Yoto, Utsunomiya, Tochigi 321-8585, JapanDivision of Mechanical Design Engineering, Jeonbuk National University, 664-14, Duckjin-dong, Jeonju 561-756, KoreaDivision of Mechanical Design Engineering, Jeonbuk National University, 664-14, Duckjin-dong, Jeonju 561-756, KoreaThe research aims to describe the micro-machining characteristics in a high-speed magnetic abrasive finishing, which is applicable for achieving the high surface accuracy and dimensional accuracy of fine ceramic bars that are typically characterized by strong hardness and brittle susceptibility. In this paper, the high-speed magnetic abrasive finishing was applied to investigate how the finishing parameters would have effects on such output parameters as surface roughness, variation of diameters, roundness, and removed weight. The results showed that, under variants of diamond abrasives sizing between (1, 3 and 9 µm), 1 µm showed comparatively good values as for surface roughness and roundness within shortest processing time. When the optimal condition was used, the surface roughness <i>R</i>a and roundness (LSC) were improved to 0.01 µm and 0.14 µm, respectively. The tendency of diameter change could be categorized into two regions—stable and unstable. The finding from the study was that the performance of ultra-precision processing linear controlling was possibly achievable for the stable region of diameter change, while linearly controlling diameters in the workpiece.https://www.mdpi.com/2075-4701/10/4/464micro-machininghigh-speed magnetic abrasive finishingfine ceramic barsurface roughness (<i>R</i>a)roundness (LSC)removed weight (RW)
spellingShingle Joonhyuk Song
Takeo Shinmura
Sang Don Mun
Minyoung Sun
Micro-Machining Characteristics in High-Speed Magnetic Abrasive Finishing for Fine Ceramic Bar
Metals
micro-machining
high-speed magnetic abrasive finishing
fine ceramic bar
surface roughness (<i>R</i>a)
roundness (LSC)
removed weight (RW)
title Micro-Machining Characteristics in High-Speed Magnetic Abrasive Finishing for Fine Ceramic Bar
title_full Micro-Machining Characteristics in High-Speed Magnetic Abrasive Finishing for Fine Ceramic Bar
title_fullStr Micro-Machining Characteristics in High-Speed Magnetic Abrasive Finishing for Fine Ceramic Bar
title_full_unstemmed Micro-Machining Characteristics in High-Speed Magnetic Abrasive Finishing for Fine Ceramic Bar
title_short Micro-Machining Characteristics in High-Speed Magnetic Abrasive Finishing for Fine Ceramic Bar
title_sort micro machining characteristics in high speed magnetic abrasive finishing for fine ceramic bar
topic micro-machining
high-speed magnetic abrasive finishing
fine ceramic bar
surface roughness (<i>R</i>a)
roundness (LSC)
removed weight (RW)
url https://www.mdpi.com/2075-4701/10/4/464
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