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Dissertations / Theses on the topic 'EDM (Electro Discharge Machine)'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

MERLA, Cristina. "Evaluation of Micro Electro Discharge Machining Performance: the Effect of Process Parameters and Electrode Material." Doctoral thesis, Università degli studi di Bergamo, 2015. http://hdl.handle.net/10446/48730.

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The miniaturization of components enhances the difficulties related to their production with conventional technologies. At the same time this miniaturization trend opens the possibility to employ new non-conventional technologies that, like micro-EDM, are able to fulfil the market requirements and the technological challenges associated with the realization of micro components. Micro-EDM is able to machine any conductive material regardless of the hardness and high strength of the workpiece material and, thanks to the contact-less nature of the process, it leaves no residual stresses in the

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2

Jakeš, Jan. "Trendy použití elektroerozivních technologií." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228107.

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In this work, description of a basic principle of electro discharge machining and its technological possibilities was made. Possibilities of individual EDM machine producers and their comparison were described. Furthermore, the use of electro discharge machining in Zdas a.s. was shown. Trends in a development of the electro discharge technology are included, too.

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3

Svoboda, Jiří. "Nekonvenční technologie elektroerozivního drátového řezání." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229332.

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This thesis deals with technology of electric discharge machining with emphasis on application of the principle of material removal on wire cut electric discharge machine. The main part is concentrated on wire cut electric discharge machining in terms of a small tool making shop. The goal of the thesis is to create a wire cut electric discharge machining workplace in the company with a focus on the production of cutting tools. The thesis defines requirements for each component of cutting tools and strategies for their machining. Machining of model part and subsequent technical - economic evalu

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4

Alla, Chaitanya Chakravarty Reddy. "MEMS-enabled micro-electro-discharge machining (M³EDM)." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/4170.

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A MEMS-based micro-electro-discharge machining technique that is enabled by the actuation of micromachined planar electrodes defined on the surfaces of the workpiece is developed that eliminates the need of numerical control machines. First, the planar electrodes actuated by hydrodynamic force is developed. The electrode structures are defined by patterning l8-µm-thick copper foil laminated on the stainless steel workpiece through an intermediate photoresist layer and released by sacrificial etching of the resist layer. The planer electrodes are constructed to be single layer structures withou

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5

Yahya, Azli. "Digital control of an electro discharge machining (EDM) system." Thesis, Loughborough University, 2005. https://dspace.lboro.ac.uk/2134/13655.

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This thesis presents a model of the complete Electro Discharge Machining (EDM) system and the design and implementation of a digital controller for the servomotor control and the gap voltage and current pulse power generator. A Matlab/Simulink simulation is used to investigate the EDM system model behaviour and based on the simulation results, a compensated EDM control system is designed. Simulation studies were also earned out to predict the material removal rate of a steel workpiece in mm3/min . The control software of the EDM control process and servo system control was performed mainly in

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6

Morgan, Christopher James. "MICRO ELECTRO-DISCHARGE MACHINING: TECHNIQUES AND PROCEDURES FOR MICRO FABRICATION." Lexington, Ky. : [University of Kentucky Libraries], 2004. http://lib.uky.edu/ETD/ukymeen2004t00197/MicroEDM.pdf.

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Thesis (m.s.)--University of Kentucky, 2004.<br>Title from document title page (viewed Jan. 5, 2005). Document formatted into pages; contains viii, 77p. : ill. Includes abstract and vita. Includes bibliographical references (p. 74-76).

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7

Moses, Mychal-Drew. "A Study on the Micro Electro-Discharge Machining of Aerospace Materials." TopSCHOLAR®, 2015. http://digitalcommons.wku.edu/theses/1448.

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Electrical Discharge Machining (EDM) is a non-traditional machining process that uses hundreds of thousands of minute electrical sparks per second to machine any electrically conductive material, no matter the hardness or how delicate it is. EDM allows a much greater range of design possibilities, unconstrained from the traditional machining processes, in which material is removed mechanically by either rotating the cutting tool or the work piece. Shapes that were impossible to machine by any other method, such as deep, precision, square holes and slots with sharp inside corners, are readily p

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8

Kakavand, Pegah. "A Comparative Study on Micro Electro-Discharge Machining of Titanium Alloy (TI-6AL-4V) and Shape Memory Alloy (NI-TI)." TopSCHOLAR®, 2015. http://digitalcommons.wku.edu/theses/1466.

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The purpose of this research was to investigate the surface modifications that take place during the machining of NiTi SMA and Ti-6Al-4V with micro-EDM. This was done by creating an array of blind holes and micro-patterns on both work-pieces. To analyze the machined surface and investigate the results, scanning electron microscope (SEM), energy dispersive X- ray spectroscopy (EDS) and X-ray diffraction (XRD) techniques were employed. In addition, the effects of various operating parameters on the machining performance was studied to identify the optimum parameters for micro-EDM of NiTi SMA and

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9

Blom, Ricky J. "Production and evaluation of rapid tooling for electric discharge machining using electroforming and spray metal deposition techniques." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16014/1/Ricky_Blom_Thesis.pdf.

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To survive in today's manufacturing environments companies must push the standards of accuracy and speed to the highest levels possible. Electro Discharge Machining (EDM) has been used for over 50 years and recent developments have seen the use of EDM become much more viable. The goal of this research is to produce and evaluate electrodes produced by different manufacturing methods. The use of electroforming and spray-metal deposition has only recently become viable methods of producing usable rapid tooling components. The speed and accuracy as well as the cost of manufacture play a vita

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10

Blom, Ricky J. "Production and Evaluation of Rapid Tooling for Electric Discharge Machining using Electroforming and Spray Metal Deposition Techniques." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16014/.

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To survive in today's manufacturing environments companies must push the standards of accuracy and speed to the highest levels possible. Electro Discharge Machining (EDM) has been used for over 50 years and recent developments have seen the use of EDM become much more viable. The goal of this research is to produce and evaluate electrodes produced by different manufacturing methods. The use of electroforming and spray-metal deposition has only recently become viable methods of producing usable rapid tooling components. The speed and accuracy as well as the cost of manufacture play a vital

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11

George, Jonathan Alan. "Development of a Plasma Arc Manufacturing Process and Machine to Create Metal Oxide Particles in Water From Wire Feedstock." Diss., CLICK HERE for online access, 2010. http://contentdm.lib.byu.edu/ETD/image/etd3494.pdf.

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12

Barabáš, Martin. "Aplikace technologie drátové elektroeroze." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231508.

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This marter’s thesis deals with the technology of electrical discharge wire cutting. There is described the basic nature of the electrical erosion, EDM principle and WEDM principle. The main part deals with the application of wire cutting in the manufacture pulley 68-8M-130 with a description of technology on the wire cutter Excetek V 650. At the end of the work is devoted to the statistical evaluation of the precision machined surfaces.

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13

Dahmani, Rabah. "Optimisation d’un procédé d’usinage par microélectroérosion." Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10058/document.

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L’objet de cette thèse est d’étudier un procédé de fraisage par microélectroérosion (μEE), qui est un procédé sans contact permettant d’usiner tous les matériaux durs conducteurs d’électricité à l’aide d’un micro-outil cylindrique ultrafin. Le principe consiste à créer des micro-décharges électriques entre le micro-outil et une pièce conductrice immergés dans un diélectrique liquide. En faisant parcourir à l’outil un parcours 3D, il est possible de creuser une forme complexe dans la pièce avec des détails à fort rapport d’aspect. Dans ce travail, nous avons tout d’abord amélioré un procédé d’é

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14

Girardin, Guillaume. "Développement d’un procédé d’usinage par micro-électroérosion." Thesis, Lyon 1, 2012. http://www.theses.fr/2012LYO10315/document.

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L’électroérosion (EE) est une technique d’usinage sans contact de matériaux conducteursd’électricité ; elle particulièrement bien adaptée à l’usinage de matériaux durs. Le principe consiste àcréer des décharges électriques érodantes entre un outil et une pièce à usiner, toutes deuximmergées dans un diélectrique. Dans cette thèse, nous avons étudié la miniaturisation de ceprocédé, la microélectroérosion (μEE), qui se présente comme un procédé complémentaire destechniques de micro-usinage mécanique, laser, ou encore des techniques issues de lamicrotechnologie du silicium (RIE, DRIE, LIGA). Toute

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15

Soni, Pankaj Kumar, and Raju Gholley. "Study and analysis of residual stresses in electro-discharge machining(EDM)." Thesis, 2007. http://ethesis.nitrkl.ac.in/4224/1/Study_and_Analysis_of_Residual_Stresses_in_Electro-Discharge_Machining_(EDM)__22.pdf.

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Technological advances have led to an increasing use of high strength, high hardness materials in manufacturing industries. In machining of these materials, traditional manufacturing processes are increasingly being replaced by more advanced techniques such as electro-discharge machining (EDM), ultrasonic machining (USM), electric chemical machining (ECM) and laser machining. EDM has found widespread application in MEMS, tool and mould industries and aerospace industries. Therefore, promoting the quality of the EDM process by developing a thorough understanding of the relationship between the

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16

Nayak, Prashit Kumar. "Modelling and Experimental Investigation of HASTELLOY C-276 Using Electro Discharge Machining (Edm)." Thesis, 2016. http://ethesis.nitrkl.ac.in/9223/1/2016_MT_PKNayak.pdf.

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Due to advance in technology there is continuous need of compact, intricate, complex size products by advance machining process for various industries and production sector. These requirements are motivation for development of various non-traditional machining processes, among various advances non-traditional machining process EDM (Electro discharge machining) is unique one. EDM removes material via thermal erosion through a plasma arc. The machining process performs by using a high frequency current (typically through a fine wire or some other electrode) to an electrically conductive workpiec

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17

REX_WANG and 王孟彥. "The study of electro-static discharge protection for wafer mount machine." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/95111210465380620925.

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碩士<br>國立高雄應用科技大學<br>電機工程系<br>97<br>The purpose of this thesis is preventing wafer electrostatic puncturing from wafer mount machine. Failed die were found after electronic testing and the production yield was around 93.58%. Because those problems almost take place on wafer mounting machine, and after our investigation, we found there are 3 units are impacted by static electricity easily. After machine improvement, the yield was raise up to 99.95%. The technology has five sections. The first section is classifying structure of wafer mount . The second section is to make sure every unit has been

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18

Paul, Binay Kumar. "Performance of Additive mixed Electro-Discharge Machining of Inconel 718 Super Alloys." Thesis, 2018. http://ethesis.nitrkl.ac.in/9746/1/2018_MT_216ME2373_BKPaul_Performance.pdf.

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In the present work, Performance of Additive mixed Electro-Discharge Machining of Inconel 718 Super Alloys has been attempted. Since, traditional machining routes are inappropriate for ‘difficult-to-cut’ materials (like Inconel 718 super alloys); EDM process has been adapted. In contrast to conventional EDM (no powder); addition of conductive powder particles into the dielectric media has been recommended in literature in order to improve machinability of super alloys. Experiments have been performed by varying peak discharge current and pulse duration; Copper powder (400 Mesh) has been added

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19

Priyadarshini, Manisha. "Wire Electro-discharge Machining of Sub-cooled AISI P20 Tool Steel." Thesis, 2021. http://ethesis.nitrkl.ac.in/10374/1/2021_PhD_MPriyadarshini_515ME1008_Wire.pdf.

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AISI P20, also known as “General Mold Steel Grade” steel is a chrome-moly (added nickel) tool steel created explicitly for zinc die casting and plastic molding applications like hydroforming tools, frames for plastic pressure dies and plastic molds to fill the requirements for its strength and machined cavities. Sub-cooling of metals is an effective method that is acknowledged for many years for the enhancement of wear life and reduction of residual stress for tool steel. The major problem in the whole process of heat-treatment of tool steel is the retained austenite. It should be noted that r

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20

Naude, Johannes Jacobus. "A neural-network/expert system based approach for design improvements of products manufactured by the EDM process." Thesis, 2014. http://hdl.handle.net/10210/12036.

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21

Mishra, Dileep Kumar. "Experimental Investigation on Through Hole making by Electro-Discharge Machining (EDM) of Inconel 625 Super Alloy Using Hollow Copper Tool Electrode." Thesis, 2017. http://ethesis.nitrkl.ac.in/9010/1/2017_MT_DKMishra.pdf.

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A case experimental research towards investigating feasibility of through hole making process on Inconel 625 super alloy by using hollow (tubular) Copper tool electrode in Electro-Discharge Machining (EDM) has been delineated herein. Based on three controllable process variables viz. peak discharge current, pulse-on duration and gap voltage etc., experiments on through hole making have been carried out following the EDM route (die-sinking EDM without flushing). In addition to surface morphology, topographical features of the EDMed work surface have been examined for both internal cylindrical s

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