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Finishing effect of abrasive flow machining on micro slit fabricated by wire-EDM

  • Hsinn-Jyh Tzeng
  • Biing-Hwa YanEmail author
  • Rong-Tzong Hsu
  • Han-Ming Chow
ORIGINAL ARTICLE

Abstract

This experimental research use the method of abrasive flow machining (AFM) to evaluate the characteristics of various levels of roughness and finishing of the complex shaped micro slits fabricated by wire electrical discharge machining (Wire-EDM). An investigative methodology based on the Taguchi experimental method for the micro slits of biomedicine was developed to determine the parameters of AFM, including abrasive particle size, concentration, extrusion pressure and machining time. The parameters that influenced the machining quality of the micro slits were also analyzed. Furthermore, in the shape precision of the micro slit fabricated by wire-EDM and subsequently fine-finished by AFM was also elucidated using a scanning electron microscope (SEM). The significant machining parameters and the optimal combinations of the machining parameters were identified by ANOVA (analysis of variation) and the S/N (-to-noise) ratio response graph. ANOVA was proposed to obtain the surface finishing and the shape precision in this study.

Keywords

Abrasive flow machining (AFM) Micro slits Taguchi experimental method Wire electrical discharge machining (wire-EDM) Shape precision 

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Copyright information

© Springer-Verlag London Limited 2006

Authors and Affiliations

  • Hsinn-Jyh Tzeng
    • 1
  • Biing-Hwa Yan
    • 1
    Email author
  • Rong-Tzong Hsu
    • 2
  • Han-Ming Chow
    • 3
  1. 1.Department of Mechanical EngineeringNational Central UniversityChung-LiPeople’s Republic of China
  2. 2.Department of Mechanical EngineeringLee-Ming Institute of TechnologyTaiwanPeople’s Republic of China
  3. 3.Department of Mechanical EngineeringNan Kai Institute of TechnologyTaiwanPeople’s Republic of China

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