Optimization of sandblasting process of complex 3D surface polishing using variable viscoelastic diamond particles abrasive

Jung Hua Tung, Cheng Shun Chen, Wen Yu Zhao*, Cher Ming Tan

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

8 Scopus citations

Abstract

This article reports a novel and efficient diamond particles abrasive with tunable viscoelasticity for sandblasting polishing. Controlling the rust inhibitor content can change its viscoelasticity to adhere diamond particles on polymer materials. Using the sandblasting mechanism, the abrasive deform and slide on the workpiece surface, so that the diamond particles can cut onto the surface peaks of the workpiece. Thus, the complicated morphology can be rapidly and precisely polished. The friction generated by the abrasive on the surface of the workpiece will cause the rust inhibitor solution to evaporate, resulting in reduced viscosity, which makes the diamond particles gradually fall off from the abrasive. Applying Taguchi method, the optimal parameters for viscosity and injection angle were identified. The surface roughness was found to decrease from Ra = 1.47 μm to Ra = 0.2 μm in 3 min. The two kinds of complex concave surfaces of different materials were polished by this innovative composite diamond particles abrasive with the optimal parameter values, which has been verified to have 40 times higher efficiency than the traditional manual polishing.

Original languageEnglish
Pages (from-to)118-130
Number of pages13
JournalMachining Science and Technology
Volume23
Issue number1
DOIs
StatePublished - 02 01 2019

Bibliographical note

Publisher Copyright:
© 2018, © 2018 Taylor & Francis Group, LLC.

Keywords

  • Abrasive blasting process
  • diamond particle
  • rust inhibitor solution
  • surface roughness value
  • viscoelasticity

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