Magnetic field-assisted batch superfinishing on thin-walled components

Chunjin Wang (Corresponding Author), Yee Man Loh, Chi Fai Cheung (Corresponding Author), Shixiang Wang, Kaiwen Chen, Lai Ting Ho, Eric Cheng

Research output: Journal article publicationJournal articleAcademic researchpeer-review

10 Citations (Scopus)


Thin-walled components have been widely used in different kinds of fields such as aviation, automobiles, medical, etc. However, it is difficult to strike a balance between polishing efficiency and accuracy in the polishing of such components. Hence, this paper presents a novel magnetic field-assisted batch superfinishing (MABS) process which makes use of a magnetic field applied by two pairs of magnetic poles rotating outside an annular chamber mounted with a number of workpieces concurrently. The rotating magnetic brushes comprise magnetic particles and abrasives formed inside the chamber which impinge and remove materials from the workpiece. A theoretical and experimental investigation of the material removal in MABS is conducted on typical thin-walled components, including kinematic analysis of the brush motion, simulation of the magnetic field distribution and material removal distribution model. The experimental results indicate that the MABS process can be successfully used for batch polishing of thin-walled components while obtaining nanometric surface roughness. The developed material removal distribution model can be used to predict the material removal, so as to provide theoretical guidance of process optimization.

Original languageEnglish
Article number107279
JournalInternational Journal of Mechanical Sciences
Publication statusPublished - 1 Jun 2022


  • Finishing
  • Magnetic field-assisted
  • Polishing
  • Process mechanism
  • Thin-walled
  • Ultra-precision machining

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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