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Dissertations / Theses on the topic 'Machining techniques'

Author: Grafiati

Published: 7 June 2025

Last updated: 16 July 2025

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1

Mitchell-Smith, Jonathon. "Advancing electrochemical jet machining techniques." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/54833/.

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Electrochemical Jet Processing (EJP) techniques have been traditionally limited in application by the inherent geometric inflexibility and limited process precision in comparison to alternative processes. It has been stated that process resultant geometries are defined by the Gaussian in-jet energy distribution and the hydrodynamic stagnation region formed under a jet on an impinging surface. This thesis reports upon investigations and innovations designed to challenge these assumptions. EJP is an emergent manufacturing process with a unique capability of subtraction and deposition of metals w

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Shahrezaei, Khashayar, and Pontus Holmström. "Software development from theory to practical machining techniques." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-79289.

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In already optimized processes it may be challenging to find room for further improvement. The solution can be found in the advanced software and tools that support the digital manufacturing, all the way from planning and design to in-machining and machining analysis. This project the- sis focuses on developing a process methodology to transcribe Sandvik Coromant’s theories and knowledge about machining operation grooving into machine-readable formats. Various software development models have been analysed and a particular model inspired by the incremental and iterative process model was devel

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Oraby, Samy El-Sayed. "Mathematical modelling and in-process monitoring techniques for cutting tools." Thesis, University of Sheffield, 1989. http://etheses.whiterose.ac.uk/1814/.

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The need is expressed for mathematical models which describe the cutting tool-workpiece interaction and for accurate on-line monitoring of tool-state. These are essential requirements for the achievement of unmanned and computerized machining processes. Techniques are used to design the experiments which substantially reduce the number of tests while providing all the essential information for statistical analysis and for the development of mathematical models. The testing conditions are chosen to reasonably conform with the practical requirements. Multi-coated carbide tool inserts [Sandvik GC

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4

Petzing, Jon. "The analysis of ultrasonic machining systems using wholefield interferometric techniques." Thesis, Loughborough University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321203.

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5

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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Machavaram, Venkata Rajanikanth. "Micro-machining techniques for the fabrication of fibre Fabry-Perot sensors." Thesis, Cranfield University, 2006. http://dspace.lib.cranfield.ac.uk/handle/1826/1210.

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Fabry-Perot optical fibre sensors have been used extensively for measuring a variety of parameters such as strain, temperature, pressure and vibration. Conventional extrinsic fibre Fabry-Perot sensors are associated with problems such as calibration of the gauge length of each individual sensor, their relatively large size compared to the diameter of optical fibre and a manual manufacturing method that leads to poor reproducibility. Therefore, new designs and fabrication techniques for producing fibre Fabry-Perot sensors are required to address the problems of extrinsic fibre Fabry-Perot senso

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Machavaram, V. R. "Micro-machining Techniques for the Fabrication of Fibre Fabry-Perot Sensors." Thesis, Cranfield University, 2006. http://hdl.handle.net/1826/1210.

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Fabry-Perot optical fibre sensors have been used extensively for measuring a variety of parameters such as strain, temperature, pressure and vibration. Conventional extrinsic fibre Fabry-Perot sensors are associated with problems such as calibration of the gauge length of each individual sensor, their relatively large size compared to the diameter of optical fibre and a manual manufacturing method that leads to poor reproducibility. Therefore, new designs and fabrication techniques for producing fibre Fabry-Perot sensors are required to address the problems of extrinsic fibre Fabry-Perot senso

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8

Pang, Jin. "A generative integrated and intelligent process planning system for machining parts." Thesis, Glasgow Caledonian University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287859.

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9

Puttapanom, Sutanit. "Computational investigation of cutting techniques for integer programming /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p1418058.

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10

Ng, Siak Hong. "Application of conventional machining techniques for green ceramic compacts produced by powder reaction moulding." Thesis, Nottingham Trent University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.429429.

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11

Diver, Carl. "An investigation into novel micro-hole machining techniques for next generation fuel injection nozzle manufacture." Thesis, University of Manchester, 2006. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:207667.

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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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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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14

Dorlin, Théo. "Développement d’un modèle généralisé d’efforts de coupe pour l’usinage de l'alliage de titane Ti6Al4V. Application aux techniques de tournage et fraisage." Thesis, Paris, ENSAM, 2016. http://www.theses.fr/2016ENAM0044/document.

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Dans l’optique de maîtriser l’industrialisation des pièces complexes, les efforts de coupe sont une source riche d’informations. Bien que la prédiction des efforts de coupe soit un sujet largement traité par la communauté scientifique, quelques verrous subsistent. Les travaux de cette étude visent à enrichir les modèles existants sous deux principaux aspects : une étude approfondie de l’influence des conditions de contact en dépouille associées à la géométrie de pièce et l’effet de l’usure de l’outil sur l’évolution des efforts de coupe au cours du temps. Pour ce faire, plusieurs expérimentati

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De, Bruyn Ruan. "Improving and implementing advanced milling techniques for the manufacture of selected titanium aerospace parts." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/96139.

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Thesis (MEng)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: There is a strong focus on the use of titanium and its alloys in the aerospace industry due to the high ultimate tensile strength and high strength-to-weight ratio of the material. The high performance nature of the material also makes it difficult and costly to machine. South Africa has the second most abundant titanium resources in the world in the form of rutile and ilmenite but no value chain to produce titanium parts from the ore. Currently, the ore is sold overseas at low prices. There exists an initiative to create a ful

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Marques, Franck. "Optimisation des outils de micro-usinage destinés à l'usinage de céramiques techniques : cas des micro-fraises hémisphériques." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCD031.

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Ces travaux de thèse s’inscrivent dans le cadre d’une collaboration avec l’un des principaux fabricants d’outils coupants français, la société Magafor. L’objectif central est d’optimiser pour une utilisation industrielle, et par une approche expérimentale originale, un modèle de micro-fraise hémisphérique de diamètre 1 mm en carbure revêtu destiné à l’usinage de céramiques techniques. Le matériau cible est une céramique dentaire particulière (5Y-TZP) qui est étudiée dans son état pré-fritté avec différents revêtements en fonction des vitesses d’avance et de coupe, ainsi que de l’inclinaison d’

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Kundrát, Vladimír. "Návrh nové technologie výroby tvarové hřídele "Hohlwelle"." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228841.

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Diplomová práca je zameraná na riešenie aktuálneho a akutného problému výroby tvarovej hriadele “Hohlwelle” vo firme Vekastool. Tri návrhy riešenia boli sústredené na dokončovaciu operáciu diery 30 H7, z ktorých dva boli priamo odtestované vo firme. Jedna z nich bola návrh a realizácia nového vyvrtávacieho nástroja firmou Ham-Final , ktorá priniesla zníženie nákladov o dve tretiny.

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Yahyavi, Zanjani Matin, Henning Zeidler, André Martin, and Andreas Schubert. "Application of Laser Scanning as a Pre-machining metrology technique in Jet-ECM." Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-227104.

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In Electrochemical Machining (ECM), where the material removal takes place based on the anodic dissolution of the workpiece material, the working distance is one of the most important parameters. Especially in Jet Electrochemical Machining (Jet-ECM), where a micro nozzle is moved over the initial surface of the workpiece in order to apply an electrolytic free jet to produce the desired shapes, the distance between the nozzle and the workpiece becomes even more important. On the one hand a small working distance is aspired to achieve high current densities resulting in a high efficiency of the

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García, Tierno Marta. "Towards Sustainability Using Minimum Quantity Lubrication Technique and Nano-Cutting Fluids in Metal-Machining Processes." Thesis, KTH, Industriell produktion, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230581.

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Sustainable manufacturing is making products from processes which have minimal environmental impact, energy and resource efficient, economically viable and safe for consumers and society as whole. Achieving sustainability in manufacturing would mean infusing sustainability methods on product process and system level. On the process level, machining technology is one of the most widely extended processes in the industry. One way to attain sustainability in this technology is by adopting efficient management of Metal Working Fluids (MWF). In this purpose to reduce the amount of MWF starts Minimu

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Harmon, Aaron. "Development of learning objectives for an undergraduate electrical discharge machining technology course using the Delphi technique /." View online, 2009. http://repository.eiu.edu/theses/docs/32211131566692.pdf.

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Liang, Hong. "Minimum error tool path generation method and an interpolator design technique for ultra-precision multiaxis CNC machining." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0021/NQ43585.pdf.

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Tan, Wei Yung. "Developing an improved production planning method for a machining cell using an active-nondelay hybrid scheduling technique." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62509.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 61).<br>We examine the production planning and scheduling of a job shop environment of a machining cell in a manufacturing facility. This thesis addresses the scheduling limitations in the machining cell that can result in unbalanced loading and idling of machines as well as longer manufacturing lead times. A method was developed to use Microsoft Project 2007 as a tool to enable dynamic production planning and contro

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23

Cesur, Halil. "Development Of Cubic Boron Nitride (cbn) Coating Process For Cutting Tools." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610640/index.pdf.

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In today&amp<br>#8217<br>s market conditions, higher tool life and durable cutting tools which can stand high cutting speeds are required in chip removal process. In order to improve the performance of cutting tools, coatings are employed extensively. Cubic boron nitride (cBN) is a new kind of coating material for cutting tools due to its outstanding properties and testing of cBN as a hard coating for machining have been increasing in recent years. However, there are some challenges such as compressive residual stress, poor adhesion and limiting coating thickness during the deposition of cBN o

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Karyagina, Marina. "Life cycle cost modelling for fault-tolerant CNC architectures." Thesis, Queensland University of Technology, 1998.

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Turki, Yosra. "Étude expérimentale des mécanismes de coupe des matériaux composites carbone-époxy : application au perçage." Amiens, 2013. http://www.theses.fr/2013AMIE0108.

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L'évolution de l'utilisation des composites carbone/époxy en aéronautique exige une meilleure compréhension de l'influence des conditions d'usinage sur ces matériaux. L'objectif de cette thèse est d'établir, en se basant sur l'expérimentation, le lien entre les conditions d'usinage, le comportement du composite carbone/époxy usiné et la tenue mécanique des stratifiés. L'étude de la coupe orthogonale montre que l'orientation des fibres, par rapport au sens d'avance de l'outil de coupe, définit les mécanismes de formation du copeau et influe sur l'état de surface usinée, le type de défauts et le

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Ahmed, Omar W. "Enhanced flare prediction by advanced feature extraction from solar images : developing automated imaging and machine learning techniques for processing solar images and extracting features from active regions to enable the efficient prediction of solar flares." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/5407.

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Space weather has become an international issue due to the catastrophic impact it can have on modern societies. Solar flares are one of the major solar activities that drive space weather and yet their occurrence is not fully understood. Research is required to yield a better understanding of flare occurrence and enable the development of an accurate flare prediction system, which can warn industries most at risk to take preventative measures to mitigate or avoid the effects of space weather. This thesis introduces novel technologies developed by combining advances in statistical physics

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Ahmed, Omar Wahab. "Enhanced flare prediction by advanced feature extraction from solar images : developing automated imaging and machine learning techniques for processing solar images and extracting features from active regions to enable the efficient prediction of solar flares." Thesis, University of Bradford, 2011. http://hdl.handle.net/10454/5407.

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Space weather has become an international issue due to the catastrophic impact it can have on modern societies. Solar flares are one of the major solar activities that drive space weather and yet their occurrence is not fully understood. Research is required to yield a better understanding of flare occurrence and enable the development of an accurate flare prediction system, which can warn industries most at risk to take preventative measures to mitigate or avoid the effects of space weather. This thesis introduces novel technologies developed by combining advances in statistical physics, imag

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Pieuchard, Marion. "La photographie et l'automatisme : histoire d'une utopie du Photomaton au procédé Polaroïd." Thesis, Paris 1, 2013. http://www.theses.fr/2013PA010746.

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La présence de productions photographiques issues d'appareils et de dispositifs populaires dans le domaine culturel, artistique et patrimonial se mesure aujourd'hui aux succès d'édition et d'exposition consacrées au photomaton, à la photographie trouvée et plus généralement aux amateurs, où l'on rencontre nombre de "Polaroïds" ou de "Photomatons". Il existe un goût pour ce "vintage" vernaculaire, en raison de la disparition ou bien de la profonde modification qui touche ces dispositifs avec le fameux passage au numérique. En se retournant sur l'histoire de ces machines, c'est bon seulement leu

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Jia, Yabo. "Numerical simulation of steady states associated with thermomechanical processes." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSEE007.

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De nombreux procédés de fabrication thermomécanique comme le laminage, le soudage ou encore l’usinage mettent en jeu soit des sollicitations mobiles par rapport à la matière fixe, soit de la matière mobile par rapport à des sollicitations fixes. Dans tous les cas, après un régime transitoire en général assez court, les champs thermiques, métallurgiques et mécaniques associés à ces procédés atteignent un état stationnaire. La recherche de ces états stationnaires à l’aide de la méthode des éléments finis classique nécessite de mettre en œuvre des modèles complexes et couteux où les sollicitation

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Campocasso, Sébastien. "Développement d'un modèle d'efforts de coupe multi-opérations et multi-matériaux. Application au tournage du cuivre pur dans différents états métallurgiques." Phd thesis, Paris, ENSAM, 2013. http://pastel.archives-ouvertes.fr/pastel-00933906.

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La modélisation des efforts de coupe en usinage est nécessaire pour prédire certaines caractéristiques de la pièce usinée comme sa géométrie, son état de surface ou encore l'intégrité de la matière en sub-surface.Les nombreux modèles d'efforts de coupe déjà développés sont souvent appliqués dans le cas d'opérations d'usinage simples, ce qui limite leur diffusion vers le milieu industriel, alors qu'il existe un réel besoin de modélisation d'opérations d'usinage complexes et variées, et prenant en compte d'éventuels changements métallurgiques au niveau du matériau usiné.L'objectif de ces travaux

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Danjou, Christophe. "Ingénierie de la chaîne numérique d'industrialisation : proposition d'un modèle d'interopérabilité pour la conception-fabrication intégrées." Thesis, Compiègne, 2015. http://www.theses.fr/2015COMP2234/document.

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Ce travail s'intéresse à la gestion d'information techniques et connaissances métiers issues de la production pour assurer l'interopérabilité et la continuité de la chaîne numérique. Dans un contexte d'entreprise étendue et de développement des technologies de l’information pour l'usine du futur, l'industrie aéronautique s'oriente vers une intégration flexible et agile des phases de conception et fabrication pour l'obtention de pièces bonnes du premier coup. C'est pour assurer la maîtrise des processus et la capitalisation des savoir-faire métier issus de la fabrication que ces travaux adresse

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Mondelin, Alexandre. "Modélisation de l'intégrité des surfaces usinées : Application au cas du tournage finition de l'acier inoxydable 15-5PH." Phd thesis, Ecole Centrale de Lyon, 2012. http://tel.archives-ouvertes.fr/tel-00838512.

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En usinage, la zone de coupe présente des conditions de température, des cinétiques thermiques, des déformations et des pressions extrêmes. Dans ce contexte, être capable de relier les variations des conditions de coupe (vitesse de coupe, avance, lubrification, usure, outil,...) à l'intégrité de la surface usinée constitue un objectif scientifique majeur. Cette thèse s'intéresse au cas du tournage finition du 15-5PH (acier inoxydable martensitique utilisé, entre autre, pour la fabrication des pièces de rotor d'hélicoptère ainsi que les pompes et les vannes de circuit primaire de centrale nuclé

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Keshari, Anupam. "Advanced Techniques for Monitoring, Simulation and Optimization of Machining Processes." Tesi di dottorato, 2011. http://www.fedoa.unina.it/8843/1/Keshari.pdf.

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In today’s manufacturing industry, pressure for productivity, higher quality and cost saving is heavier than ever. Surviving in today’s highly competitive world is not an easy task, contemporary technology updates and heavy investments are needed in state of the art machinery and modern cutting tool systems. If the machining resources are underutilized, feasible techniques are needed to utilize resources efficiently. The new enhancements in the machine tools sector have enabled opportunities for rapid growth in production rate and high varieties in products in minimum time. But they also rais

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Jhang, Shih-An, and 張世安. "Application of Ultrasonic and Laser Assisted Machining Techniques for Zirconia Milling." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/scygbb.

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碩士<br>國立虎尾科技大學<br>機械與電腦輔助工程系碩士班<br>103<br>Hardened and brittle material such as zirconia has gradually become the important materials for biomedical, precision instruments and aerospace technology industry applications in recent years. In which biomedical application is particularly active. As its demand is increased constantly, various requests on machining qualities of zirconia are also more stringent. At present, the main machining ways on zirconia are almost with engraving milling, grinding lapping or polishing and these machining processes are too complicated and too much wasted. Therefor

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Chen, Jia-Ze, and 陳家澤. "Application of Ultrasonic and Laser Assisted Machining Techniques for Quartz glass Milling." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/7k79w4.

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碩士<br>國立虎尾科技大學<br>機械與電腦輔助工程系碩士班在職專班<br>104<br>Hardened and brittle material such as quartz glass has gradually become the important materials for light source, electronic, optical communication, laser and aerospace technology industry applications in recent years. In which electro-optical system and semiconductor applications are particularly active. As its demand is increased constantly, various requests on machining qualities of quartz glass are also more stringent. At present, the main machining ways on quartz glass are almost with engraving milling, grinding lapping or polishing and these

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Yang, Bing-Hsueh, and 楊秉學. "Application of Biaxial Ultrasonic and Laser Assisted Machining Techniques for Inconel 718 Milling." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/spvh7c.

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碩士<br>國立虎尾科技大學<br>機械與電腦輔助工程系碩士班<br>105<br>The high temperature heat-resistant alloy such as Inconel 718 is a kind of Fe-Cr-Ni based super alloy through age-hardening treatment. It possesses high yield and ultimate strength, high fatigue strength, high working temperature, good corrosive resistance. It has been widely used for aerospace and other components that operate at high temperatures and hostile environments; such as, gas turbine, rocket engines, missile parts and hot extrusion tooling. However, these unique and desirable heat-resistant characteristics of super-alloys, on the other hand,

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Chowdhury, Soumitra. "Design synthesis and testing of a capacitive type pressure transducer using micro-machining techniques." Thesis, 1993. http://spectrum.library.concordia.ca/2971/1/MM90827.pdf.

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Laranjeira, Marta de Sousa. "Preparation and characterization of porous 3D Bonelike structures through biomodelling and 3D machining techniques." Master's thesis, 2006. http://hdl.handle.net/10216/12575.

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Ren, Yongfu. "Computational techniques to improve efficiency and accuracy for high performance machining of polyhedral models." 2002. http://www.lib.ncsu.edu/theses/available/etd-04022003-092812/unrestricted/etd.pdf.

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Laranjeira, Marta de Sousa. "Preparation and characterization of porous 3D Bonelike structures through biomodelling and 3D machining techniques." Dissertação, 2006. http://hdl.handle.net/10216/12575.

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"Machining of nimonic 90 using sustainable techniques and modelling for the specific cutting energy." Thesis, 2018. http://localhost:8080/iit/handle/2074/7718.

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Hui, Fang, and 方輝. "Using Experimental Techniques and On-line Management to Improve Solube Cutting Oil Applied in the Machining of Magnesium Alloy." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/48069868428943979941.

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碩士<br>國立高雄應用科技大學<br>工業工程與管理系<br>99<br>The proportion of magnesium is 1.8, weighing two-thirds of aluminum iron or one quarter of light metal, which is the lightest of any alloy material nowadays. Since there is no resources of magnesium minerals in Taiwan, Taiwan’s magnesium industry mainly focuses on the middle and lower streams in the magnesium alloy production. Because magnesium alloy products have high margins of profit, high added value, they attract related businesses to invest, including molding manufacture, machine forming, mechanical processing of finished products and their surface t

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Wei, Christina Yi-Hsuan. "Rapid Fabrication Techniques for Anatomically-Shaped Calcium Polyphosphate Substrates for Implants to Repair Osteochondral Focal Defects." Thesis, 2007. http://hdl.handle.net/10012/3388.

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The purpose of the present study is to develop techniques for manufacturing anatomically-shaped substrates of implants made from calcium polyphosphate (CPP) ceramic. These substrates have tissue-engineered cartilage growing on their top surfaces and can be used as implants for osteochondral focal defect repair. While many research groups have been fabricating such substrates using standard material shapes, e.g., rectangles and circular discs, it is considered beneficial to develop methods that can be integrated in the substrate fabrication process to produce an implant that is specific to a

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曾仲盟. "The research on fabricating microstructures using ultrasonic machining technique." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/99996463939123527825.

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碩士<br>國防大學中正理工學院<br>兵器系統工程研究所<br>92<br>Ultrasonic machining (UM) is considered to have a great potential to machine brittle materials with no heat, chemistry and electricity involved during the process. The objective of this thesis is to investigate the feasibility of machining microparts using UM technique. Three different processes — single-step UM, UM using mixed abrasives and UM using s thin-plate tool - were developed in this research based on the special function of UM. In ‘Single-step UM’ process, the effect of grit size of abrasive and federate on the surface and sub-surface

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Kuan, Chen-Hao, and 官振豪. "Application of Ultrasonic Assisted Technique for Glass Ceramic Machining." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/s6c839.

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碩士<br>國立虎尾科技大學<br>機械與電腦輔助工程系碩士班<br>102<br>Hardened and brittle material such as glass-ceramic has gradually become the important material for precision instruments, aerospace and defense technology industry applications in recent years. In which bio-medical application is particularly active. As its demand is increased constantly, various requests on machining qualities of glass-ceramic are also more stringent. currently engaged in the processing of glass ceramics have a lot of ways, such as: laser, EDM etc. and these machining processes are too complicated and too much wasted. Therefore, seek

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Wang, C. T., and 王政泰. "Construction and study on the technique of laser-assisted-machining." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/09156135516823125458.

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碩士<br>國立中正大學<br>機械系<br>92<br>ABSTRACT This study focuses on the construction and development of the technique-- Laser-assisted-machining, LAM. It contains that verifies the feasibility of LAM and creates necessary theory. Laser-assisted-machining is a developing technique of processing hard-to-cutting materials. The main concept of machining utilizes the phenomena which a solid will be softened as located in a high temperature condition. While the laser ray is focused on the surface of workpiece, a tiny local part where is irradiated by laser will be heated to a high temperature

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Bican, Lokesh Kumar. "Optimization of Electrical Discharge Machining Parameters Using Genetic Algorithm Technique." Thesis, 2013. http://ethesis.nitrkl.ac.in/5446/1/109ME0362.pdf.

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Productivity and quality are two important aspects have become great concerns in today’s competitive global market. Every production/manufacturing unit mainly focuses on these areas in relation to the process as well as product developed. Electrical discharge machining (EDM) process, even now it is an experience process, wherein still the selected parameters are often far from the maximum, and at the same time selecting optimization parameters is costly and time consuming. Material Removal Rate (MRR) during the process has been considered as productivity estimate with the aim to maximize it. W

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Pradhan, Pullak. "A Reduced Model of Higher Order Composite Rotor using Balanced Realization Technique." Thesis, 2018. http://ethesis.nitrkl.ac.in/9919/1/2018_MT_216ME1354_PPradhan__AReduced_.pdf.

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A tangential force to whirl orbit is introduced due to internal damping of rotors, which is also proportional to spin speed and causes instability after certain speed. Literature shows that the improvement in the stability range can be achieved by using fibre reinforced composites or layered rotors which are light yet strong and exhibit better damping properties. In this work, a unidirectional long fibre reinforced composite rotor is considered, where both fibre and matrix materials are assumed to be visco elastic. Viscoelastic behaviour is modelled by using internal variable approach like An

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Lee, Ying-Chun, and 李英群. "Nano-machining technique on quartz and its application to nanoimprint lithography." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/04760413065803603484.

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碩士<br>國立臺灣大學<br>生物產業機電工程學研究所<br>93<br>Quartz has much potential to be developed as device because of its material properties including piezoelectricity, isolation, transparent, high hardness, and high thermal stability. The major obstacle to develop MEMS and NEMS technique on quartz is the machining difficulty and the charging problem resulted from isolation in e-beam exposure process. The latest and greatly-respected application of quartz is the mold in nanoimprint lithography technology (NIL). NIL differs from the traditional lithography in the process of exposure and development, which i

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Weng, Feng-Tsai, and 翁豐在. "Study on Micro Machining and Batch Production Technique of EDM Process." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/50886471845502133251.

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博士<br>大同大學<br>機械工程研究所<br>89<br>ABSTRACT In this dissertation, Micro machining of EDM process was studied for processing different difficulty-to-cut materials with tungsten carbide electrode. A batch production technique was proposed to machine micro multi-electrodes, numbers of micro-holes, and micro slots could be processed in a time. Performance of special material on different machining parameter was studied; a mathematic model for EDM process was regression with business soft well “AIM”. Neural network model was also developed. Performance can be effectively predicted

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