Effect of Wire EDM Cutting Parameters for Evaluating of Additive Manufacturing Hybrid Metal Material

Zakaria, Khidzir; Ismail, Zulhilmi; Redzuan, Norizah; Dalgarno, Kenneth

doi:10.1016/j.promfg.2015.07.092

Cited by 13 publications

(8 citation statements)

References 7 publications

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“…During the process of oxidation the depletion of high amounts of chromium from the material occurs resulting in low hardness. The increasing amount of discharge energy leads to increase in the oxidation of wire EDMed surface which leads to the decrease in the hardness of the surface [21][22][23][24]. Also, during cooling of the high amount of molten material may not properly solidify thus forming craters and rough porous surface.…”

Section: Case-cmentioning

confidence: 99%

Wear behavior of wire electric discharge machined surface of 316L stainless steel

2020

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This study presents the wear behavior of 316L stainless steel material machined with wire electric discharge machine (EDM) at different machining conditions by varying the machining parameters pulse on time (T ON), peak current (IP), servo voltage (SV) and wire tension (WT). Sliding wear tests are conducted on the cylindrical specimens using pin on disc apparatus and the worn morphology of the specimens are analyzed by SEM and XRD. The experimental investigation revealed that the wear resistance is highly influenced by the wire EDM parameters. T ON and IP are identified to be the most influencing factors effecting wear resistance. At similar values of the product of T ON and IP, the wear resistance remained constant and the wear resistance increased with decrease in the product of T ON and IP. The obtained parameters setting can be used in die making industries where wear behavior is of importance.

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Section: Case-cmentioning

confidence: 99%

Wear behavior of wire electric discharge machined surface of 316L stainless steel

2020

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“…Higher value of current and pulse on-time are found to be significant in the work whereas graphite powder to be more useful and efficient. K.Zakariaet al investigated the effect of wire EDM cutting parameters for evaluating of additive manufacturing of hybrid metal material [35]. They proposed that pulse ON time and pulse OFF time and voltage have significant impact on surface hardness.…”

Section: Influence Of Electrical Process Parametersmentioning

confidence: 99%

Review of State of Art and Process Parameter Influence in EDM Technology

Abuthakeer¹,

Kaameswaran²,

chalam³

et al. 2017

IJETT

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Electric Discharge Machining (EDM) is a non-conventional machining process in which material is removed electrically by the application of a high voltage. Over the years the EDM process has cast itself into various specialized forms such as Wire cut EDM, EDM drilling etc. This paper presents a study of all the major improvements that have been implemented on EDM machining in the recent years. Various techniques proposed by researchers to improve the machining characteristics and to increase versatility of the EDM process have discussed in this paper. It should be noted that there is no well-defined relations between the electrical process parameters of an EDM process and the output variables like surface roughness, material removal rate etc. The influence of these material vary widely with material being machined. Hence, a study has been done on the influence of these parameters on the various process characteristics of EDM process.

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“…Regression equation in Taguchi design of experiment (DOE) is used to correlate MRR to get optimized process parameters [25]. Pulse on and off time are the major parameters in attaining hardness and better surface finish [26]. Pulse on time is seen to have direct proportional to wire wear and MRR whereas surface finish is seen to be inversely proportional to pulse on time [27].…”

Section: Introductionmentioning

confidence: 99%

Parametric Optimization of Wire Electrical Discharge Machining in AA7075 Metal Matrix Composite

Raju¹,

Balakrishnan²,

Priya

et al. 2022

Advances in Materials Science and Engineering

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Aluminium 7075 metal matrix composite reinforced with silicon nitride was fabricated using the stir casting technique. Composite fabricated was machined and subjected to wire electrical discharge machining to study the significant process parameter. Taguchi design of experiment using L9 orthogonal array was selected with three factors, current, pulse ON time, and wire feed at three levels. Influencing process parameters were identified using analysis of variance. Pulse ON time of 130 μs, current of 20 A, and wire feed of 1 mm/min were identified as optimized parameters for higher material removal rate. For a good surface finish, the optimized parameter was identified as 130 μs pulse ON time, 20 A current, and wire feed rate of 2 mm/min. Pulse ON time was identified as an influencing parameter followed by the current in achieving better material removal rate with good surface finish, whereas wire feed has no influence on the output parameters. Results of experimentation showed improved machining characteristics for higher pulse ON time and current for machining the synthesized composite through the Taguchi design of the experiment.

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Effect of Wire EDM Cutting Parameters for Evaluating of Additive Manufacturing Hybrid Metal Material

Cited by 13 publications

References 7 publications

Wear behavior of wire electric discharge machined surface of 316L stainless steel

Wear behavior of wire electric discharge machined surface of 316L stainless steel

Review of State of Art and Process Parameter Influence in EDM Technology

Parametric Optimization of Wire Electrical Discharge Machining in AA7075 Metal Matrix Composite

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