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The performance of brass electrode on material removal for aluminium composite in EDM die-sinking

This paper investigates the performance of brass electrode on the removal of aluminium alloys LM6 (Al-Sil2) in an electrical discharge machining (EDM) die-sinking. The machining parameters such as pulse-on time, pulse-off time and peak current were selected to find the responses on the material char...

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தலைமை எழுத்தாளர்கள்: Ali, Mohd Amran, Laily Suraya, Laily Suraya, Mohd Nordin, Fatin Aisyah, Hussein, Nur Izan Syahriah, Muhamad, Mohd Razali, Manshoor, Bukhari, Lajis, Mohd Amri, Raja, Izamshah, Mohd Hadzley, Mohd Hadzley, Taufik, Taufik
வடிவம்: கட்டுரை
வெளியீடப்பட்டது: Trans Tech Publications Inc 2014
பகுதிகள்:
TN Mining engineering. Metallurgy
நிகழ்நிலை அணுகல்:http://dx.doi.org/10.4028/www.scientific.net/AMM.660.43
http://dx.doi.org/10.4028/www.scientific.net/AMM.660.43
http://eprints.uthm.edu.my/6482/1/The_Performance_of_Brass_Electrode_on_Material_Removal_for_Aluminium.pdf
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விளக்கம்
தொகுப்பு:This paper investigates the performance of brass electrode on the removal of aluminium alloys LM6 (Al-Sil2) in an electrical discharge machining (EDM) die-sinking. The machining parameters such as pulse-on time, pulse-off time and peak current were selected to find the responses on the material characteristics such as material removal rate (MRR), electrode wear rate (EWR) and surface roughness (Ra). Brass with diameter of 10mm was chosen as an electrode. Orthogonal array of Taguchi method was used to develop experimental matrix and to optimize the MRR, EWR and Ra. It is found that the current is the most significantly affected the MRR, EWR and Ra while pulse on time, pulse off time and voltage are less significant factor that affected the responses. Percentage optimum value of MRR increases to 3.99%, however EWR and Ra reduce to 3.10% and 2.48% respectively. Thus, it shows that brass having capability to cut aluminium alloys LM6.

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