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Dissertations / Theses on the topic 'Tools for Gears'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

Haddad, Charles Daoud. "The elastic analysis of load distribution in wide-faced helical gears." Thesis, University of Newcastle upon Tyne, 1991. http://hdl.handle.net/10443/3615.

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For a gear designer, the meshing gear tooth root bending stresses, and contact stresses are of major importance. To be able to obtain accurate values of these stresses, it is essential to determine the actual load distribution along the contact lines of the meshing gear tooth pairs. this load distribution. The objective of this work is to predict In the current gear design standards such as AGMA 2001¹, B5436², DIN3990³ and 150-0156336⁴the contact line load distribution is estimated by using a two-dimensional "thin slice" model of the meshing gear teeth. Clearly, this cannot account accurately

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2

Fontana, Douglas. "Controle de vida da ferramenta do tipo lamina alternada Gleason no fresamento de coroas hipoidais." [s.n.], 2003. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265597.

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Orientador: Anselmo Eduardo Diniz<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-03T20:42:19Z (GMT). No. of bitstreams: 1 Fontana_Douglas_M.pdf: 10116872 bytes, checksum: 3a8e7469b54d02c31d22b732a5021bb1 (MD5) Previous issue date: 2003<br>Resumo: A transmissão de movimentos mecânicos através de engrenagens é muito utilizado em todos os segmentos industriais.O corte de dentes de engrenagens é uma operação bastante importante dentro da usinagem. Apesar de sua importância, este é um processo pouco estudado,

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3

Li, Xianren. "Optimised parametric gear system design." Thesis, Sheffield Hallam University, 1994. http://shura.shu.ac.uk/19957/.

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This thesis is the summary of the research work that has been carried out by the author on the development of methods of optimum gear design and shaft design for gear boxes, and the integration of the methods into one software package together with parametric layout drawing. The objective of the optimum gear design is to minimise the gear centre distance with a fixed aspect ratio of pinion, when power capacity requirement is given. Although power capacity is dependant upon many factors, the optimum gear design method has used module, numbers of teeth, and helix angle as the significant variabl

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4

Saleem, Adil. "Simulations of Gear Rolling by Flat Tools." Thesis, KTH, Industriell produktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-140317.

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Gear rolling is one of the latest techniques being used in gear manufacturing. As compared to traditional gear manufacturing techniques, gear rolling can add benefits like improved surface finish, increased flank strength, increased load capacity and less material usage. After initial research initiatives in USA, Germany and China, efforts are underway to make this technique industrially viable for production of both low and high module gears. There are two methods for gear rolling one uses round tools while other uses flat tools. The current work examines advantages and limitations associated

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5

Echeverria-Villagomez, Jose Salvador. "The use of tangential accelerometers in gear drives." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334077.

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6

García, Vílchez Mercedes. "Design tools applied to a trochoidal gear pump." Doctoral thesis, Universitat Politècnica de Catalunya, 2014. http://hdl.handle.net/10803/277538.

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Positive displacements pumps, as currently designed, produce significant flow pulsations that result in pressure pulsations. These pulsations contribute to the global noise generated by the installation. Moreover, they interact with the system where the pump is connected shortening the life of both the pump and circuit components. Rotary trochoidal gear pump, a type of rotary positive displacement machine, has characteristics that make it suitable for many applications fields. Nowadays, in cases like additivation and dosage, these applications have not been completely developed, and present a

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7

Johnson, David Ewen. "Use of noise for the detection of gear faults in rotating machinery." Thesis, University of the West of England, Bristol, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358312.

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8

Chen, Dajun. "Applications of time-scale representations and artificial neural networks in gear condition monitoring." Thesis, De Montfort University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391569.

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9

Klein, Alexander. "Spiral bevel and hypoid gear tooth cutting with coated carbide tools /." Aachen : Shaker, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015866212&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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10

Kwon, Hyun Sik. "Development of Automated Design Tools for Automotive Automatic Transmission Gear System." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1370019857.

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11

Klein, Alexander [Verfasser]. "Spiral Bevel and Hypoid Gear Tooth Cutting with Coated Carbide Tools / Alexander Klein." Aachen : Shaker, 2007. http://d-nb.info/1166510123/34.

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12

Hoseini, Saba. "Experimental simulation of gear hobbing through a face milling concept in CNC-machine." Thesis, KTH, Materialvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-126804.

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13

藤澤, 孔裕. "繊維強化プラスチック歯車形工具による小形歯車仕上げ加工法". 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/200502.

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14

Hulvej, Matúš. "Návrh výrobní technologie ozubeného hřídele převodovky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378867.

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The diploma thesis presents a design of a technical project: design of production technology for a pinion shaft of a gearbox and design of alternative technology. It focuses on the analysis of a component, the selection of materials, machines and tools, and the creation of a manufacturing drawing and technological process of the production. It is concluded by a technical-economic evaluation, based on which are both designs compared and evaluated which design is better for specific conditions.

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15

Sjöström, Elin. "Virtual Reality as a Sales Tool for Industrial Companies." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-105504.

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To display large and complex products at sales meetings or fairs can be a challenge for industrial companies. Customers want to experience the product before purchase, yet this is not always possible due to high shipping costs and logistic problems. Virtual Reality (VR) achieved by Head-mounted Displays (HMD) is growing bigger by every day and is becoming accessible to more people. With this technology, there must be a new way to facilitate the sales process in the industry. The ﬁrst goal with this master thesis was to investigate what challenges and opportunities there are in today’s sales pr

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16

Dilasser, Quentin. "Is gear-based management of herbivorous fish a viable tool to prevent or reverse phase shifts in coral reefs? : Linking resilience theory to practice." Thesis, Stockholms universitet, Stockholm Resilience Centre, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-63417.

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Herbivorous reef fish are a key functional group for the ecological resilience of coral reefs. Asthey feed on algae, a major resource competitor of coral polyps, they can prevent and reversecoral-macroalgal phase shifts. The resilience of the reefs against such phase shifts is given bythe ability of herbivores to keep the system in a cropped state from filamentous algae or bytheir capacity to feed on macroalgae. Most of the management plans that aim to protect coralreefs have been focusing on the establishment of marine protected areas or no-take areas wherefishing activities are strictly rest

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17

Linderstam, Albin. "Analytical tool for electromechanical actuators for primary and secondary flight control systems : Optimization of the initial design of the EMA using parametric sizing models." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-74246.

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The number of flights have increased by 80% between 1990 and 2014, and the demand for air travel continues to increase. Even though the aviation sector contributes to economical and social benefits, it still affects the climate change [1]. A first step to minimize the environmental impact is to develop more electric aircraft (MEA), where the idea is to maximize the use of electricity and improve the overall energy effciency [2]. In most of today's aircraft, large mechanical transmission shafts with a lot of components are driven by central power units, termed centralized drive systems. By the

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18

Wickop, Beate Tina [Verfasser], and Claudia [Akademischer Betreuer] Langebrake. "Arzneimitteltherapiesicherheit älterer Patienten : eine retrospektive Erhebung zur Bedeutung potentiell inadäquater Medikation (PIM) mit dem Ziel ein alltagstaugliches Tool „GERAS“ zur Minimierung des Einsatzes von PIM zu entwickeln / Beate Tina Wickop. Betreuer: Claudia Langebrake." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2014. http://d-nb.info/1064077226/34.

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19

Werner, P. O. E. Mathias. "Investigation on HSS milling inserts : cutting edge and surface preparation effect on machinability : the capturing, understanding and structure of the gear manufacturing processes may lead to a dynamic link to design aspects such that more effective and reliable cutting tool system development is acheived /." Stockholm : Industriell teknik och management, Kungliga Tekniska högskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9942.

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20

Hammarström, (Gimleström) Dag. "Konstruktion av ett kapningsverktyg för pappersreglar." Thesis, Karlstads universitet, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-78669.

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Start-up företaget Wood Tube har utvecklat en ny typ av miljövänlig byggregel gjord av papper. Pappersreglar är en ny produkt som ännu inte finns på marknaden, men som kan komma att innebära stora fördelar för byggindustrin och snickare i fråga om pris, miljövänlighet och förbättrad arbetsmiljö. Det tänkta användningsområdet är att ersätta plåtreglar som ram i icke-bärande innerväggar, men det finns även stor potential i andra applikationer, såsom i möbler. Pappersreglarna tillverkas i standardlängder och ska kapas på plats ute på det aktuella bygget, i dagsläget genom sågning. Detta projekt

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21

Huang, Hao-Yang, and 黃浩洋. "Optimum tool profile of power skiving of internal spur gears." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/28gz43.

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碩士<br>國立中央大學<br>機械工程學系<br>107<br>This thesis aims to optimize the tooth profile error of the internal spur gear by power skiving with the planer created by gear grinding. Based on the principle of gears, the mathematical model of the tooth surface of the planer is established by the method of gear grinding. Then the mathematical model of the power skiving is derived, and the influence of the curve of different grinding wheels and the parameter compensation of the machine on the tooth profile error of the internal spur gear is discussed. The optimization part is divided into two parts. Firstly,

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22

Chih-YuChiang and 江智煜. "Power Skiving of Internal Gears on Six-Axis Machine Tool." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/12054091307916337723.

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碩士<br>國立成功大學<br>機械工程學系<br>104<br>SUMMARY Gears are one of the important transmission elements in industry. They can be manufactured by a variety of processes, including casting, forging, extrusion, powder metallurgy, and blanking. Recently, a new technology, referred as power skiving, is developed by Gleason Corporation. Its skiving process for machining internal gears is 2-8 times faster than shaping, and more flexible than broaching, due to skiving’s continuous chip removal capability. In this thesis a modified Denavit-Hartenberg (D-H) notation is introduced to model a Mori-Seiki NTX1000 si

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23

WANG, HONG-YI, and 王弘毅. "The tool design and analysis of gear power skiving." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/b4grtb.

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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>107<br>Power skiving is a processing method develop based on Wilhelm von Pittler’s patent, which was introduced in 1910, this type of gear cutting method usually used on internal and external gear of cylinder gear, especially fit for internal gear processing, and it’s production efficacy needs to be higher than hobbing and shaping, we can see more and more application, particularly on reduction gear. This Study mainly focus on design a conjunction surface theory-based power skiving tool. We first use homogenous coordinate conversion to obtain the coordinate o

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24

Lee, Ming-Far, and 李銘發. "Machining and On-lin Measurement of Roller Gear Cam on 5-axis Machine Tools." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/40137507001132351815.

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25

LIN, JIUN-JI, and 林俊吉. "The Effect of Gear Hob Setting and Processing Parameters on The Gear Dry Cutting Accuracy and Tool Life." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/pb7p79.

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碩士<br>國立虎尾科技大學<br>動力機械工程系機械與機電工程碩士班<br>106<br>The dry hobbing process is the most representative method in gear manufacture, which has grown rapidly recently. However, the studies on the reduced diameter of the tool after re-sharpening, with a changed meshing lead angle, and the accuracy of the generated gear were not found in the research of dry hobbing. Therefore, experiments and analysis will be performed on the input lead angle of the hob cutter in the machine setting, due to the reduced diameter after re-sharpening in this study. The experimental study can improve the precision of hobbing

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26

Hsieh, Tung-Han, and 謝東翰. "Mathematical Model of The Six-Axis CNC Machine for Grinding Cutting Tools of Hypoid Gear." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/76722477212121657892.

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碩士<br>國立中正大學<br>機械工程學系暨研究所<br>103<br>This paper aims at building a mathematical model of the six-axis CNC machine for grinding cutting tools of hypoid gear, is based on the Oerlikon’s grinding machine, and input STL file to build the model of machine on VERICUT 7.3, and verify the mathematical model of cutting edge which derived by Lee, Yi-Hui, the student from Department of Mechanical Engineering of National Chung Cheng University. Using Mathematica 9.0 output point data of cutting edge to check the positions; input the designed parameters to calculated the displacement and angle, and simulat

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27

CIOU, JHE-CI, and 邱哲淇. "Study on the Tool Sharpening Method for the Hypoid Gear Head Cutter." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/14055826733391131186.

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碩士<br>國立中正大學<br>機械工程系研究所<br>104<br>Based on the Gleason’s RSR type cutting tool of hypoid gear, the mathematical model of hob sharpening machine, including the coordinate systems and the clamping device for grinding the cutting blade is presented in this thesis. Using the VERICUT software to simulate the grinding process and compare the result with the mathematical model. There are two methods to verify the correct of the the mathematical model of hob sharpening machine for grinding the cutting blade in this thesis. One is the simulation, and another is experiment. Using the VERICUT software t

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28

Kuo, Te-Chuan, and 高德全. "A Study on the Automatic Tool Change Mechanisms of Roller-Gear Cam Typer." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/43180611551463681861.

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碩士<br>國立成功大學<br>機械工程學系<br>85<br>This work develops a systematic methodology to design and analyze a roller-gear-cam type automatic tool change mechanism for vertical machining centers, and a prototype is built for testing the feasibility of the design. The subsystems of the automatic tool change mechanism, the extract and insert tool mechanism, the roller gear cam mechanism, and the push and pull tool mechanism, are introduced first, and coordinate transformation matrix, universal motion curve, and input-output time diagram are presented in order to design the cams of the three subsystems. F

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29

Wu, Chun-Lin, and 吳俊霖. "Tool Path Planning and Computer Simulation for Hypoid Gear Manufacturing using 6-Axis CNC." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/26075708068137220832.

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碩士<br>國立中正大學<br>機械工程所<br>95<br>Gear has been widely used for more than two centies. It is very important in industry since it is still used nowadays. But there are many limitetions in gear manufacturing. Most manufactures of gears use a special cutting tool and a dedicated machine, which produce good quality gear and efficiently. However the gear machining are very expensive and some certain companies dominate the technology of gearing and global market share. Domestic gear vendors still use the old type machine to produce gears. So it is important to develop advanced gearing technology. This

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30

Chiu, Yung-Ta, and 邱勇達. "Integrate Multimedia Tool Squeak into Science Course in Elementary School－An Example of Gear Unit." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/g4w6px.

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碩士<br>國立中央大學<br>資訊工程研究所<br>94<br>In this study, I integrated learning by doing and discovery learning theory with multimedia tool “Squeak” to develop a learning environment for elementary school students. By providing Squeak and serial sample projects, students can learn the knowledge about gears and understand how to use Squeak by using sample projects. Finally, I let students use Squeak and complete their projects by sharing objects in all projects. The purpose is that students can discover and learn related knowledge by making projects. Learning by doing and discovery learning theory all em

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