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GROUP 3

GROUP 3. Arinda Soraya Putri (I0311011) Mega Aria Pratama (I0311023) Silvester Adi S.H. (I0311031 ) Tara Ferdiana (I0311034) Vicky Ganis Rengganis (I0311035) Yessy Rochmawati (I0311039).

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GROUP 3

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  1. GROUP 3 Arinda Soraya Putri (I0311011) Mega Aria Pratama (I0311023) Silvester Adi S.H. (I0311031) Tara Ferdiana (I0311034) Vicky Ganis Rengganis (I0311035) Yessy Rochmawati (I0311039)

  2. Optimazation of EDM Process for Multiple Performance Characteristics Using Taguchi Method and Grey Relational Analysis Journal of Mechanical Science and Technology 24 (5) (2010) 1083~1090 www.springerlink.com/content/1738-494x DOI 10.1007/s12206-010-0305-8 Jong Hyuk Jung and Won Tae Kwon Department of Mechanical and Information Engineering, University of Seoul, Seoul, 130-743, Korea (Manuscript Received September 24, 2009; Revised November 2, 2009; Accepted November 30, 2009)

  3. EXPERIMENT AND RESULT Form micro hole of maximum aspect ratio • Experiment condition PURPOSE Minimum diameter Result of preliminary experiment

  4. RESULT OF EXPERIMENT • Entrance clearance indicated difference between the radius electrode and the machine micro hole at the micro hole entrance. • Exit clearance correspondingly electrode between radius and micro hole exit. • Ideal case should diameter electrode equal to micro hole

  5. Determination of the machining condition • The machining time and the number of shorts does not show a significant relation to the size of the micro-hole, which, rather, is related to productivity

  6. ANALYSIS OF THE RESULT TAGUCHI METHOD • Variation of Voltage • Variation of Resistance • Variation of Feed Rate • Variation of Capacitance • Relationship between electrical characteristics and electrical parameter

  7. Grey Relational Analysis • Grey relational analysis • Evaluated Grey relational coefficient and grade • ANOVA results for Grey grade • Determination of process parameters

  8. CONCLUSION • The Taguchi method was employed to determine the relations between the machining, parameters and the process characteristics. • The input voltage and the capacitance were found to be the most significant controlling parameters.

  9. Why do we use the journal and the method? • Micro-EDM can be attributed to advantages. • Grey relational analysis can be used to resolve the complicated interrelationships. • The Taguchi method was employed to determine the relations between the machining, parameters and the process characteristics

  10. Thank you for your attention. Q & A

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