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Relevant bibliographies by topics / Plastic machining / Dissertations / Theses

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Dissertations / Theses on the topic 'Plastic machining'

Author: Grafiati

Published: 28 June 2021

Last updated: 29 July 2025

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1

Ilyas, Ismet Priana. "Production of plastic injection moulding tools using selective laser sintering and high speed machining." Thesis, University of Leeds, 2007. http://etheses.whiterose.ac.uk/4048/.

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Global manufacturing trend and competition challenge every industry to seek new manufacturing methods to improve their business processes and speed up the product development cycle [Conolly, 2004a and Knights, 2001]. Among the candidates, layer manufacturing (LM) technologies appear to be a potential solution [Plam, 2002, and Grimm, 2004]. Recent LM technologies have led to a demanding application for developing production tools to manufacture parts, known as rapid tooling (RT). Selective laser sintering (SLS) is one of the leading LM systems available today in RT to manufacture injection moul

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2

Kirk, Dean Frederick. "Development of a Small Envelope Precision Milling Machine." Thesis, University of Canterbury. Mechanical Engineering, 2006. http://hdl.handle.net/10092/2773.

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The credit card industry is huge with over two and a half billion cards shipped annually. A local card manufacturer, with a production volume in excess of forty million cards annually, approached the University of Canterbury to design and develop advanced card manufacturing technology. The motivation behind this development was the desire of the sponsoring company to keep abreast of new technologies and to have the ability to manufacture and supply cards with this new and emerging technology into a highly competitive world market. This thesis reports the research surrounding the development of

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3

Zhang, Hong. "Plastic deformation and chip formation mechanisms during machining of copper, aluminum and an aluminum matrix composite." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ62306.pdf.

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4

Sýkora, Petr. "Konstrukce jednoúčelového stroje na opracování polyuretanových odlitků." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443160.

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The aim of this diploma thesis is to design a single-purpose machine for machining steering wheel lever from PUR. The problem with the current state was the need of manpower for machine a large number of levers. The automated machining process eliminates the problem. The result of the work is a detailed 3D model of a single-purpose machine created in the Onshape program, drawing documentation of several parts of the equipment, economic evaluation and risk analysis of the machine. The conclusion of the thesis contains an evaluation of the whole project.

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5

Шостак, М. М., Оксана Петрівна Гапонова, Оксана Петровна Гапонова та Oksana Petrivna Haponova. "Режим виготовлення деталі складної форми з порошкового мідно-титанового матеріалу". Thesis, Сумський державний університет, 2015. http://essuir.sumdu.edu.ua/handle/123456789/39527.

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У теперішніх умовах створення конкурентоздатної продукції машинобудування України пов'язане з удосконаленням технологій, що дозволяють отримати вироби високої якості при мінімальних витратах. У зв'язку з цим зростає роль ресурсозберігаючих технологій обробки тиском. Обробка тиском порошкових заготовок дозволяє отримати деталі вузлів тертя, які за фізико-механічними та експлуатаційними властивостями не поступаються компактним, виготовленим за традиційними технологіями.

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6

Kalous, Ondřej. "Racionalizace technologie výroby forem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231505.

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The diploma thesis Rationalization technology of production tools is divided into two parts. The first part is focused on injection molding of plastic materials and analysis current status of production injection tools. The second part contains proposal of rationalization steps in the production process and evaluation of rationalization.

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7

Arola, Dwayne Dale. "The influence of net shape machining on the surface integrity of metals and fiber reinforced plastics /." Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/7138.

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8

Heiderscheit, Timothy Donald. "Comparative study of near-infrared pulsed laser machining of carbon fiber reinforced plastics." Thesis, University of Iowa, 2017. https://ir.uiowa.edu/etd/5946.

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Carbon fiber-reinforced plastics (CFRPs) have gained widespread popularity as a lightweight, high-strength alternative to traditional materials. The unique anisotropic properties of CFRP make processing difficult, especially using conventional methods. This study investigates laser cutting by ablation as an alternative by comparing two near-infrared laser systems to a typical mechanical machining process. This research has potential applications in the automotive and aerospace industries, where CFRPs are particularly desirable for weight savings and fuel efficiency. First, a CNC mill was used

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9

Machado, Carla Maria Moreira. "Empirical models for quantification of machining damage in composite materials." Doctoral thesis, Faculdade de Ciências e Tecnologia, 2012. http://hdl.handle.net/10362/9058.

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Dissertação para obtenção do Grau de Doutor em Engenharia Mecânica<br>The tremendous growth which occurs at a global level of demand and use of composite materials brings with the need to develop new manufacturing tools and methodologies. One of the major uses of such materials, in particular plastics reinforced with carbon fibres, is their application in structural components for the aircraft industry with low weight and high stiffness. These components are produced in near-final form but the so-called secondary processes such as machining are often unavoidable. In this type of industry, dri

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10

Dupák, Libor. "Mikroobrábění nekovových materiálů elektronovým svazkem." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-234155.

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The thesis deals with electron beam micromachining of nonmetallic materials like glass, ceramics and plastics. A brief description of the device on which the experiments were carried out is included; the author has participated on its development. Main topic is experimental study of influence of main electron beam parameters on results of machining. Examined parameters include accelerating voltage, beam current, focusing and speed of machining. Influence of beam deflection is analyzed. Method of sequential machining by repeated passes of the electron beam is presented. Main examined materials

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11

Škeřík, Filip. "Hodnocení vlivu technologií obrábění na analýzu textury povrchu technických plastů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443214.

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The diploma thesis deals with the influence of machining technologies (turning, milling, grinding and polishing) on the surface texture of functional surfaces of selected materials from technical plastics. In the first part of the thesis there is a theoretical analysis of the possibilities of machining plastic materials. Furthermore, an analysis of the most commonly used parameters for evaluating the roughness of the machined surface and their effect on functionality is performed. The experimental part of the thesis describes samples preparation, analysis of measured data and subsequent evalua

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12

YEH-CHI, HSU, and 徐業奇. "Research of precision machining characteristics in plastic aspheric lens." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/41969698538948456196.

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13

Lin, Jing-jhih, and 林敬智. "Using Ultrasonic Machining on Plastic Materials to Create Square Holes." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/33538251654632017613.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>102<br>Post-processing on plastic products of quality has become the trend in current manufacturing. Because it is difficult to create non-circular features, such as square holes with sharp corners, on plastic materials with traditional machining, and the non-conductive plastic cannot be processed with non-traditional machining such as wire electrical discharging machining or electrical discharge machining, the objective of this research was to study the uses of ultrasonic machining on plastic materials to fabricate square holes. PMMA was selected to be the material

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14

Huang, Jhen-Tang, and 黃振棠. "Study on the Ultrasonic Assisted Machining of Carbon Fiber Reinforced Plastic." Thesis, 2019. http://ndltd.ncl.edu.tw/cgi-bin/gs32/gsweb.cgi/login?o=dnclcdr&s=id=%22107NCHU5311065%22.&searchmode=basic.

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碩士<br>國立中興大學<br>機械工程學系所<br>107<br>In the recent year, people are increasingly interested in the use of composite material in the booming industry such as aerospace industry and sports equipment. Carbon fiber Reinforced Plastic(CFRP) is light in weight, fatigue resistance, corrosion resistance, low thermal expansion coefficient and impact resistance. It has occupied a very important position; But because of these characteristics, the CFRP has poor processability, and it faces various problems in conventional processing, such as poor workpiece quality, poor processing efficiency, and short tool

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15

Yang, Y. D., and 楊永得. "A Study for Machining by Three-Dimensional Elastic- Plastic Large Deformation Method." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/52429030481920315404.

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碩士<br>國立臺灣科技大學<br>機械工程研究所<br>83<br>The large deformation - large strain finite element theory, and the Upadted Lagrangian Formulation (U.L.F) and step by step principles were used in this paper to develope a 3D elastic- plastic analytical model. At the same time, the strain-energy density theory and a material constant (strain-energy density critical value) were introduced as the reference criteria for chip separation during the cutting process of metals. Furthermore ,the twin-node processi

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16

Liao, Hsueh-Yu, and 廖學佑. "Artificial Intelligence Machining Surface Roughness Prediction Model and MRR Optimization – A Case Study of Plastic Injection Mold Milling." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/nbzk5j.

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碩士<br>國立中興大學<br>機械工程學系所<br>103<br>Technical products have characteristics such as short life cycle, high surface quality request and large quantity. Therefore, manufacturing factories gradually tend to use general types machine tool equipped with intelligent management, intelligent design and monitoring systems. Recently, with technological development, there are more and more indirect sensors which are normally used, and computer efficiency is higher than the past. The obstacles of hardware are gradually removed. Accordingly, in the field of manufacturing, many researchers use artificial neur

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17

Long, Fu Cheng, and 龍富成. "Investigation of Ultrasonic Vibration Assisted Carbon Fiber Reinforced Plastics Machining Effciency." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/cfxub3.

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碩士<br>國立勤益科技大學<br>機械工程系<br>105<br>Carbon fiber, having the characteristics of light weight, high strength, high modulus, chemical resistance, low coefficient of thermal expansion and so on, has the potential to replace metallic materials, with its application market focusing on heavy industries such as automobile, aerospace, national defense, etc. Currently carbon fiber, which is considered as one of the ten potential materials under the future trend, is the most used material for aerospace building materials, sports equipment, and 3C products, and is recently being used in the automobile indu

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18

Ahmadian, Amirali. "Experimental model for predicting cutting forces in machining carbon fiber reinforced polymer composites." Thesis, 2019. http://hdl.handle.net/1828/10878.

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The demand for materials with high mechanical performances such as Carbon Fiber Reinforced Plastics (CFRP) is increasing. However, there are major challenges in machining CFRP as it involves delamination, fiber pullouts, and extreme cutting tool wear. Analysis of chip formation mechanisms and prediction of associated cutting forces in CFRP machining enables one to address these challenges. This study proposes a mechanistic cutting force model for milling operations of the CFRP workpiece, considering its non-homogeneity and anisotropy, by taking into account variations of fiber cutting angle du

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