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Dissertations / Theses on the topic 'Thin-walled parts'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Kolluru, Kiran V. S. S. "On design and simulation of passive damping solutions for milling of thin-walled parts." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/14427/.

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Machining of thin wall structures is a challenging area due to the problems such as chatter and forced vibrations that arise due to low stiffness of such structures. Up to now, most of the research was driven by need to improve productivity in manufacturing of aircraft components such as airframe panels; hence, straight thin walls such as cantilever structures were considered for research in machining dynamics. However, thin wall casings and particularly thin wall assemblies that are encountered in jet engine casings are not well studied. Not only their dynamics is quite different from that of

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2

Ступін, Борис Анатолійович, Борис Анатольевич Ступин, Borys Anatoliiovych Stupin та ін. "Повышение точности при обработке тонкостенных деталей". Thesis, Сумский государственный университет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/66722.

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В машиностроении, авиастроении, приборостроении, и других отраслях машиностроения, распространённым видом изделий являются нежесткие тонкостенные детали. Обработка таких деталей связана с рядом сложностей, таких как: недостаточная жесткость заготовки и в целом технологической системы, деформация детали при закреплении ее на станке. Деформации влияют на точность детали после обработки. Соответственно, достижение заданных параметров точности обработанной поверхности становится сложной технологической и производственной задачей.

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3

Довгополов, Андрій Юрійович, Андрей Юрьевич Довгополов, Andrii Yurijovich Dovgopolov, Сергій Сергійович Некрасов, Сергей Сергеевич Некрасов та Serhii Serhiiovych Nekrasov. "Приспособление для закрепления тонкостенных деталей". Thesis, Сумский государственный университет, 2015. http://essuir.sumdu.edu.ua/handle/123456789/39457.

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В современном машиностроении используется большое количество тонкостенных деталей. В то же время, повышаются требования к точности деталей, в связи с новыми потребностями машиностроительной отрасли в точных, но не дорогих деталях. Получение точных недеформированных деталей является очень сложной и трудоемкой задачей. Поэтому поиск путей и методов зажима тонкостенных деталей – задача актуальная и имеет большое народнохозяйственное значение.

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4

Гермашев, А. И. "Методика исследования колебаний при фрезеровании тонкостенных деталей". Thesis, Сумский государственный университет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/38085.

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В авиакосмической отрасли широко применяются детали, имеющие тонкостенные элементы, которые получают путем концевого фрезерования на современных станках с ЧПУ. Из-за прерывистости процесса обработки и недостаточной жесткости тонкостенных элементов происходит появление вибраций, которые снижают качество обрабатываемой поверхности, геометрическую точность, стойкость инструмента и т.д.

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5

Stephenson, Richard C. "Comparing the Feasibility of Cutting Thin-Walled Sections from Five Commonly Used Metals Utilizing Wire Electric Discharge Machining." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1948.pdf.

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6

Kafka, Richard. "Vývoj SLM procesních parametrů pro tenkostěnné díly z niklové superslitiny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443180.

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The diploma thesis deals with the development of process parameters of SLM technology for the material IN718. The main goal is an experimental development of a set of parameters for the production of thin-walled parts with regard to material density, surface roughness and tightness. The essence of the development of parameters is an experimental explanation of the influence of laser power and scanning speed on the morphology of single tracks, which are used for the production of a thin wall. Together with walls of larger widths and volume samples, it is possible to create an intersection of pa

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7

Міненко, Дем`ян Олександрович, Демьян Александрович Миненко, Demian Oleksandrovych Minenko та А. П. Антонов. "Получение узлов крепления в тонкостенных деталях". Thesis, Сумский государственный университет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/40282.

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В машиностроении широко используются тонкостенные детали с узлами крепления: корпуса, поддоны, крышки, теплообменники, коллекторы, элементы трубопроводов и т. д. Узлы крепления в тонкостенных деталях традиционно изготавливают с использованием дополнительных крепежных элементов: гаек, резьбовых вставок, шпилек, которые закрепляются с помощью сварки, пайки или прессования.

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8

Procházka, Luděk. "Silové zatížení frézovacích nástrojů při obrábění." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-379018.

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The thesis deals with the problem of force loading during machining of thin-walled parts. In the theoretical part, the force load applied during milling and the possibility of measuring of the force loading during milling is analyzed. Further the work focuses on the machining of thin-walled parts, problems in machining of these parts and the possibility of eliminating these issues. The practical part deals with the design and realization of the measurement of the force load on the selected components. The thesis also presents a comparison of the simulation model of deflection of thin-walled pa

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9

Janovský, Petr. "Aplikace měřicích sond v procesu frézování na stroji MCV1210/Sinumerik 840D." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378862.

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This thesis concerns the technological processes of machining of thin-walled parts and the modification of said processes in dependence on the following interopera-tive measurement of the real dimensions of these parts. Within the theoretical part a research study of technological possibilities of measuring thin-walled parts and principles of probe programming are presented. In the main practical part of the the-sis a proposal of an experiment is described, which tests the individual technologi-cal steps and their influence on the quality of a prototype of the produced thin-walled part. Numeri

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10

Spáčil, Radek. "Analýza řezání tenkostěnných součástí pilou." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-379007.

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Master‘s thesis deals with sawing of the thin-walled parts with high speed steel slitting saw. At first the most used conventional and unconventional possibilities of materiál cutting are described by a form of search. The next chapter describes forces arising from splitting saw machining, including their dependence on a specific cutting force, a chip cross section and a engagement angle. The second part of the thesis deals with the technological improvement of the cutting process, where three possible solutions are considered – geometry of the cutting tool, PVD coating deposition of the cutti

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11

Mana, Marek. "Možnosti stroje Vernet Behringer při CNC programování." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231234.

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The master’s thesis is focused on the possibilities of machining lines of the company Vernet – Behringer. The theoretical part is a brief inclusion of the control system ProNC2 between selected commercially available control systems and are compared ways of programming CNC machine tools. On the machine tool of company Vernet – Behringer are processed mainly thin-walled components, that is why is part of the work focuses on the issue of machining thin-walled parts, the distribution of deflection tools and machined parts. The next part of thesis deals with the design and processing of technical

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12

Gerasimenko, Artem. "Etude analytique et expérimentale de l’usinage d’un tube mince." Thesis, Paris, ENSAM, 2016. http://www.theses.fr/2016ENAM0076/document.

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Ce travail de thèse se concentre sur l’étude du comportement dynamique des tubes minces durant leur usinage par tournage et notamment sur la survenue du broutement régénératif. L’étude de l’usinage de ce type de pièce est pertinente car ces pièces font l’objet d’une large diffusion dans divers domaines industriels tels que la construction aéronautique (notamment moteurs), la construction navale, la production de fusées. Ces pièces ayant une faible rigidité, il est fréquent que des vibrations indésirables se produisent en cours d’usinage. Il est donc intéressant d’être à même de les prédire pou

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13

Barcuch, Jakub. "Optimalizace nástrojové řezné geometrie pro vysokorychlostní obrábění tenkostěnných součástí." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230450.

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The theoretical part of the thesis deals with materials used in the aircraft industry with a focus on aluminium alloys. Then it describes high speed machining, its characteristics and its comparison with conventional machining. The following chapters describe strategies of machining thin-walled parts and a description of vibration that occurs during machining. The practical part deals with selection appropriate tool geometry, machining of thin-walled parts and evaluation of their deflection during machining.

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14

Koubek, David. "Analýza silového zatížení při obrábění hliníkových slitin monolitními frézami ze slinutého karbidu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241851.

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The aim of this thesis is to create the proposal and expansion of knowledge in the field of experimental measurement of force load when milling thin-walled parts made of aluminum alloy monolithic cylindrical shank cutter of cemented carbide (hereinafter referred to as CC). It also discusses the theoretical analysis of the forces generated during milling, and practical approaches to their measurement experiments. This work also deals with the analysis of aluminum and its alloys. The next chapter describes the appropriate strategy for the machining of thin-walled components including defining th

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15

Mundim, Rafael Borges. "Evaluation of strategies for milling of thin-walled aluminum components." Instituto Tecnológico de Aeronáutica, 2014. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=2962.

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A considerable amount of research has focused on machining dynamics due to the impact it lays upon productivity and quality. Models have been developed with an ever-increasing accuracy in order to predict the dynamic behavior of cutting tools under different circumstances. However, workpiece behavior during machining is also a current limiting factor which is dealt with by means of restricting product designers of using features with thin characteristics. For this reason, designed products will be often oversized due to machining technology restrictions related to dimensions of thin walls. The

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16

Chuvashev, Anton. "Frézování tenkostěnných součástí pro letecký průmysl." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241845.

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This diploma thesis deals with issues in machining of thin-walled components. Its first part describes materials used in the aircraft industry. Then it focuses on issues associated with the prediction of deflections of a rib wall during machining. Later on it focuses on different methods and strategies of thin-walled part milling. The diploma thesis also describes an experiment of manufacturing thin-walled components in the form of ribs and evaluation parameters such as roughness, perpendicularity and straightness deviations, width of the rib and force loading of a cutting tool as measured by

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17

Laforce, Francois. "Zlepšení výroby aeronautické součásti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229843.

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Since aircrafts manufacturers intend to produce low consumption and efficient aircrafts, parts become more and more difficult to machine. Some processes like „air machining“ enables a one-step production for complex aluminium alloy shaped parts. Although the assembly offers a large access to cutting tool, the lack of stiffness for large parts, and especially for thin-walled aeronautics parts implies strong vibrations during machining. The aim of the study is to solve these difficulties in order to keep productivity and improve surface quality. Further innovative solutions are considered like m

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18

Liu, Jianxia. "Fixture design for thin-walled parts." 1993. http://hdl.handle.net/1993/17784.

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19

Croppi, Lisa. "Modeling and optimization of turning process for thin-walled parts and slender tools." Doctoral thesis, 2020. http://hdl.handle.net/2158/1193950.

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In the last decades, the effort of several researches was focused on the study and improvement of chip removal process in order to achieve an optimal compromise between accuracy and manufacturing costs. Despite several progress were made in that field, some machining process are still critic. Two of them are deep boring process and thin wall components turning. The presence of high compliance elements in the cutting system (i.e. tool in case of boring process and workpiece in case of thin wall components turning) lead to static deflection, responsible of geometrical errors, and unstable vibrat

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20

Cheng, Tseng-Jen, and 鄭淙仁. "A Precision Cold Forging Process Study for High Aspect Ratio of Thin-Walled Shell Part." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/18267614341112125786.

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碩士<br>國立高雄第一科技大學<br>機械與自動化工程所<br>94<br>Abstract In this study, the aims were to analyze the cold forging process of Impact Extrusion - Ironing Method and to investigate the design of the mechanism applied in the AISI 1035 thin-walled shell part forging die set. First of all, the DEFORM software was used to simulate the Impact Extrusion, Reduced Gauge, as well as Ironing process and to investigate the feasibility for that process. To concern the proper way of cold forging forming and avoid work hardening, the heat treatment, such as Process Annealing were used. The actual forging experiment was

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