Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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Magnetic Abrasive Polishing Technology with Ceramic Particles

세라믹 입자를 이용한 자기연마가공 기술 사례

  • Kwak, Tae-Soo (Department of Mechanical Engineering, Gyeongnam National Univ. of Science and Technology) ;
  • Kwak, Jae-Seob (Department of Mechanical Engineering, Pukyong National Univ.)
  • 곽태수 (경남과학기술대학교 기계공학과) ;
  • 곽재섭 (부경대학교 기계공학과)
  • Received : 2013.11.02
  • Accepted : 2013.11.18
  • Published : 2013.12.01
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Abstract

Ceramic particles as polishing abrasives are often used in a magnetic abrasive polishing process because they have strong wear resistance. Non-ferromagnetic ceramic abrasives should be mixed with ferromagnetic iron particles for controlling the mixture within a magnetic brush during the polishing process. This study describes the application of the ceramic particles for the magnetic abrasive polishing. The distribution of the magnetic abrasives attached on a tool varies with magnetic flux density and tool rotational speed. From the correlation between abrasive adhesion ratio in the tool and surface roughness produced on a workpiece, practical polishing conditions can be determined. A step-over for polishing a large sized workpiece is able to be selected by a S curve, and an ultrasonic vibration assisted MAP produces a better surface roughness and increases a polishing efficiency.

Keywords

References

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  2. Discrete Element Method using the Superposed Rigid-Rod Model for the Dynamic Behavior of Needle-Shaped Powder with a High Aspect Ratio vol.17, pp.3, 2018, https://doi.org/10.14775/ksmpe.2018.17.3.022