Effect of non-electrical parameters in fabrication of micro rod using BEDG

Kar, Siddhartha; Patowari, Promod Kumar

doi:10.1080/10426914.2019.1643475

Cited by 19 publications

(2 citation statements)

References 45 publications

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“…As the value of the feed rate is increasing the MT is decreasing. This is because due to the higher feed of tool, the gap between the work material and tool is quickly recovered after any short circuiting, which leads to faster machining [11]. Increase in tool rotation speed (TRS) results in lesser time for each experimental run.…”

Section: Resultsmentioning

confidence: 99%

Experimental study on Titanium diamond by fabricating micro-holes using Micro-EDM with Taguchi’s method and response surface method

2020

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Titanium alloys are very hard to machine materials, which can be machined effectively by using advanced manufacturing processes. Electro discharge machining (EDM) process is one of the most efficient methods of machining electrically conductive materials. EDM is focused more on the precision and accuracy of the machined parts. This particular work focuses on the machinability study of titanium diamond using micro-EDM. Input parameters such as voltage, capacitance, feed rate and tool rotation speed (TRS) are varied and their effects are analyzed by evaluating responses such as material removal rate (MRR), machining time (MT), overcut (OC) and circularity error (CE). X-ray diffraction (XRD) analysis of the material is also conducted to observe the material phases and elements. The observed responses are simultaneously optimized by formulating overall evaluation criteria (OEC) for generating the optimal value of process parameters. Further, the analysis of variance (ANOVA) provides the influence of input parameters on each output response. The variation of different response measures with respect to input parameters is shown through 3D response surface plots. It is observed in micro EDM that the MT decreases with the increase in voltage, capacitance, feed rate and TRS, whereas MRR and OC increase with an increase in voltage and capacitance. In the case of CE, it decreases with the increase in voltage and it increases with the increase in capacitance.

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Section: Resultsmentioning

confidence: 99%

Experimental study on Titanium diamond by fabricating micro-holes using Micro-EDM with Taguchi’s method and response surface method

2020

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“…Qingfeng et al fabricated micro-rods using the BEDG method using two symmetric block electrodes [29] and reported that the error between the desired diameter and the actual machined diameter was within 2 µm. Kar and Patowari studied the effect of various process parameters in the BEDG process [30]. A relatively new method called twin mirroring tangential feed wire electrical discharge grinding (TMTF-WEDG) for controlling the micro-shaft diameter was proposed by Jia et al [31].…”

Section: Wire Electrical Discharge Machining (Wedm) Is An Alternative...mentioning

confidence: 99%

An Analysis on the Machinability Aspects of the Turning Process Using WEDM for Profile Generation

Roy,

Tiwari,

Mandal

2023

Arab J Sci Eng

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Wire Electrical Discharge Turning (WEDT) is a unique adaption of the Wire Electrical Discharge Machining (WEDM) process and enables one to generate precise 3-D axissymmetric profiles on electrically conductive materials irrespective of their hardness. In the present study, profile geometries like spherical, cylindrical, and taper are generated on the same workpiece to create a combined-shape structure. The effect of parametric settings on Volumetric Error (VE), Roundness (Ront), Average Surface Roughness (Ra), and Volumetric Material Removal Rate (VMRR) is investigated for the above-said geometries based on Response Surface Methodology (RSM). Experimental results show that the volumetric or geometric error is maximum for spherical and minimum for cylindrical turned surfaces. The roughness of the cylindrical part is better as compared to the spherical and tapered surfaces. A minimum roundness value of 28.19 µm for the spherical, 11.80 µm for the cylindrical, and 26.25 µm for the taper-turned surfaces has been observed. The VMRR of the cylindrical part was found to be higher than that of spherical and tapered parts. FESEM has been utilized to study the surface integrity of the geometries machined by WEDT, and a recast layer was observed in all three cases.

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Micro Electrical Discharge Milling of Titanium: Effects of Voltage and Tool Rotation Speed

Kar

Sarmah

Patowari

2021

Lecture Notes in Mechanical Engineering

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Effect of non-electrical parameters in fabrication of micro rod using BEDG

Cited by 19 publications

References 45 publications

Experimental study on Titanium diamond by fabricating micro-holes using Micro-EDM with Taguchi’s method and response surface method

Experimental study on Titanium diamond by fabricating micro-holes using Micro-EDM with Taguchi’s method and response surface method

An Analysis on the Machinability Aspects of the Turning Process Using WEDM for Profile Generation

Micro Electrical Discharge Milling of Titanium: Effects of Voltage and Tool Rotation Speed

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