Abstract
This paper presents the results of an experimental research which aim to improve performances of the wire electrical discharge machining (W-EDM), increasing the dimensional accuracy and decreasing the error of shape and the workpieces roughness. For this, the W-EDM machines were equipped with special devices for ultrasonic activation of the wire electrode. The wire electrode activation with ultrasonic vibrations overlaps across the effect energy, which initiates and occurs on the workpiece surface due to electrical discharge in pulse. It generates multiple effects in technological interstitium (gap). By partially or totally annihilating the influence of electromagnetic field between electrodes, the ultrasonic energy corrects the dimensional accuracy, the shape deviation, and the workpiece surface quality. The paper presents situations where short circuits are avoided and the experimental investigations were conducted under conditions that maximize the productivity of the technologic equipment.
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References
Wong Y, Rahman M, Lim H, Han H, Ravi N (2003) Investigation of micro-EDM Material removal characteristics using RC-pulse discharges. J Mater Process Technol 140(1–3):303–307
Murray JW, Sun J, Patil DV, Wood TA, Clare AT (2016) Physical and electrical characteristics of EDM debris. J Mater Process Technol 229(2016):54–60
Okada A, Uno Y, Onada S, Habib S (2009) Computational fluid dynamics analysis of working fluid flow and debris movement in wire EDM. Ann CIRP 58(1):2009–212
Colder MI, Ozanozgu AM (2000) Experimental investigation of effects of cutting parameters on surface roughness in the WEDM process. Int J Mach Tools Manuf 40(13):1831–1848
Bunget C, Ngaile G (2011) Influence of ultrasonic vibration on micro. Ultrasonics 51(5):606–616
Okada A, Ichii S, Okamoto Y (2013) Investigation of wire movement in fine wire EDM by high-speed observation. Int J Electr Mach 18:43–48
Bai Y, Yang M (2016) The influence of superimposed ultrasonic vibration on surface asperities deformation. J Mater Process Technol 229:367–374
Chen Z, Huang Y, Huang H, Zhang Z, Zhang G (2015) Three-dimensional characteristics analysis of the wire-tool vibration considering spatial temperature field and electromagnetic field in WEDM. Int J Mach Tools Manuf 92:85–96
Tomura S, Kunleda M (2009) Analysis of electromagnetic force in wire-EDM. Precis Eng 33(3):255–252
Stimel SA (2002) Electrodischarge processing machine with wire electrode and numerical command by type Elerofil-10, Technical Paper, Timisoara, Romania. http://www.stimel.ro
Nichici A, Popovici V, Nica M, Achimescu N, Paulescu G (1983) Processing by erosion in machine construction. Facla Publishing, Timisoara
Nani VM (2015) Ultrasonic activation of the wire electrode on EDM processing machine, ISBN: 978-3-659-68755-6. LAP LAMBERT Academic Publishing, Germany
Savii Gh., Nani V.M., Militaru C., Muntean N., (1988). Method and device for ultrasonic activation wire electrode, Romanian Patent, no 102596/12.12.1988
Inoue K., (1979). Procédé et dispositif pour le traitement par érosion électrique avec électrode filiforme vibrant, Brevet France, no 2 350 919/07.10.1979
Jun Q, Fei Y, Jun W, Bert L, Dominiek R (2015) Material removal mechanism in low-energy micro-EDM process. CIRP Ann Manuf Technol 64:225–228
Okada A, Uno Y, Nakazawa M, Yamauchi T (2010) Evaluation of spark distribution and wire vibration in wire EDM by high-speed observation. CIRP Ann 59(1):231–234
Han F, Kunieda M, Sendai T, Imai Y (2002) High precision simulation of WEDM using parametric programming. CIRP Ann 51(1):165–168
Meena KL, Manna A, Banwait S, Jaswanti S (2013) Effect of wire feed rate and wire tension during machining of Pr-Al-SiC-MMCs by WEDM. Eur J Eng Technol Tom 1(1):7–13
Kolesnichenko AF, Podoltsev AD, Kucheryavaya IN (1994) Action on pulse magnetic field on molten metal. ISIJ Int 34:715–721
Silaş G, Rădoi M, Brîndeu L, Klepp M, Hegedus A (1973) Collection of problems for mechanical vibrations. Technical Publishing House, Bucharest
Nani V.M., Iclănzan T., (1993) Influence the pulsed electrical discharges on the machining characteristics to EDM processing with wire electrode ultrasonic activated, Academic Days, the seventh National Conference of Mechanical Vibrations, Timisoara, 363–370
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Nani, VM. The ultrasound effect on technological parameters for increase in performances of W-EDM machines. Int J Adv Manuf Technol 88, 519–528 (2017). https://doi.org/10.1007/s00170-016-8783-1
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DOI: https://doi.org/10.1007/s00170-016-8783-1