Study of the effect of tools ultrasonic vibrations and external magnetic field on machined surface integrity at EDM process

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SHABGARD MOHAMMAD REZA; GHOLIPOOR AHAD; MOHAMMADPOURFARD MOUSA

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:7 Page(s): 97-107

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Title

Study of the effect of tools ultrasonic vibrations and external magnetic field on machined surface integrity at EDM process

Author(s)

SHABGARD MOHAMMAD REZA | GHOLIPOOR AHAD | MOHAMMADPOURFARD MOUSA | Issue Writer Certificate

Keywords

Electrical Discharge MachiningQ2

External Magnetic FieldQ1

Tools Ultrasonic VibrationsQ1

Machined Surface IntegrityQ1

Abstract

Despite the unique usage of Electrical Discharge Machining process at machining in small dimensions, machining complex shapes and machining of high-strength parts such as ceramics and heat treated steels, which can’ t be machined by traditional machining methods, low Machined Surface Integrity achieved by Electrical Discharge Machining process is one of the most important limitations of this process. In this investigation the Machined Surface Integrity will be improved by applying ultrasonic vibrations to tool electrode and External Magnetic Field around gap distance of Electrical Discharge Machining process, simultaneously. So several experiments were designed and performed based on full factorial method by selecting pulse current and pulse duration as the most important input parameters, in order to study the effects of pulse current and duration on surface integrity of workpiec machined by this hybrid process and to investigate the effects of Tools Ultrasonic Vibrations and External Magnetic Field on machined surface roughness and integrity of machined surface. According the results, machined surfaces roughness is increased by applying ultrasonic vibrations to tool electrode and External Magnetic Field around gap distance of Electrical Discharge Machining process, simultaneously, while the SEM pictures of machined surfaces showed that the, amount of created surface cracks, blowholes, globules and beads of debris are decreased and integrity of machined surfaces by EDM process is improved by applying ultrasonic vibrations to tool electrode and External Magnetic Field around gap distance, simultaneously.

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APA: Copy

SHABGARD, MOHAMMAD REZA, GHOLIPOOR, AHAD, & MOHAMMADPOURFARD, MOUSA. (2018). Study of the effect of tools ultrasonic vibrations and external magnetic field on machined surface integrity at EDM process. MODARES MECHANICAL ENGINEERING, 18(7 ), 97-107. SID. https://sid.ir/paper/179582/en

Vancouver: Copy

SHABGARD MOHAMMAD REZA, GHOLIPOOR AHAD, MOHAMMADPOURFARD MOUSA. Study of the effect of tools ultrasonic vibrations and external magnetic field on machined surface integrity at EDM process. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(7 ):97-107. Available from: https://sid.ir/paper/179582/en

IEEE: Copy

MOHAMMAD REZA SHABGARD, AHAD GHOLIPOOR, and MOUSA MOHAMMADPOURFARD, “Study of the effect of tools ultrasonic vibrations and external magnetic field on machined surface integrity at EDM process,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 7 , pp. 97–107, 2018, [Online]. Available: https://sid.ir/paper/179582/en

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