Dissertations / Theses on the topic 'CAx systems'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the top 50 dissertations / theses for your research on the topic 'CAx systems.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.
Shelley, Jonathan Knighton. "Incorporating Computational Fluid Dynamics Into The Preliminary Design Cycle." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd979.pdf.
Full textAvgoustinov, Nikolay. "Minimizing the labour for exchange of product definition data among N CAx systems /." Saarbrücken : Lehrstuhl für Fertigungstechnik, CAM, 1997. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=007723327&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
Full textZugl.: Saarbrücken, Univ., Diss. 1997 u.d.T.: Avgoustinov, Nikolay: Minimizing the labour for PDD exchange among N CAx systems.
Daley, John E. "Autonomic Product Development Process Automation." BYU ScholarsArchive, 2007. https://scholarsarchive.byu.edu/etd/965.
Full textAuradkar, Rajendra V. "A complete geometric and topologic file structure." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-11102009-020052/.
Full text黃景維 and King-wei Wong. "An intelligent object-oriented feature-based system for CAD/CAM integration." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B30098774.
Full text梁振邦 and Chun-bong Leung. "Conversion of features for CAD/CAM integration." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31237290.
Full textMercer, Tim. "CAD/CAM selection for small manufacturing companies." Online version, 2000. http://www.uwstout.edu/lib/thesis/2000/2000mercert.pdf.
Full textOung, Jianjun. "Design and implementation of an object-oriented geometric constraint solver." [Gainesville, Fla.] : University of Florida, 2001. http://etd.fcla.edu/etd/uf/2001/ank7123/thesis.pdf.
Full textTitle from first page of PDF file. Document formatted into pages; contains ix, 82 p.; also contains graphics. Vita. Includes bibliographical references (p. 78-81).
Wong, King-wei. "An intelligent object-oriented feature-based system for CAD/CAM integration /." Hong Kong : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20667528.
Full textLeung, Chun-bong. "Conversion of features for CAD/CAM integration /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19634961.
Full textPennington, Sandra Lynn. "A software engineering approach to the integration of CAD/CAM systems." Diss., This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-07102007-142514/.
Full textBaker, Tyson J. "Attribution Standardization for Integrated Concurrent Engineering." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd873.pdf.
Full textKarpowitz, Daniel J. "A Dynamic Workflow Framework for Mass Customization Using Web Service and Autonomous Agent Technologies." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1647.pdf.
Full text林世銘 and Sai-ming Lam. "Recognition of machining features: a hybrid approach." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31240458.
Full textHoppe, Hugues. "Surface reconstruction from unorganized points /." Thesis, Connect to this title online; UW restricted, 1994. http://hdl.handle.net/1773/6924.
Full textLam, Sai-ming. "Recognition of machining features : a hybrid approach /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2160745X.
Full textKarim, Mohammed R. "An IDEFO representation of a garment manufacturing system design process." Ohio : Ohio University, 1994. http://www.ohiolink.edu/etd/view.cgi?ohiou1178127341.
Full textCarvalho, Adriana Oliveira 1981. "Influence of restorative material and technique on the mechanical performance of indirect restorations of endodontically treated molars or not = Influência do material e técnica restauradora na performance mecânica de coroas indiretas sobre molares tratados endodonticamente ou não." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/287831.
Full textTese (Doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
Made available in DSpace on 2018-08-21T22:55:10Z (GMT). No. of bitstreams: 1 Carvalho_AdrianaOliveira_D.pdf: 96375930 bytes, checksum: 98085bf2a4f1941f9510f1ba4c7d0a85 (MD5) Previous issue date: 2013
Resumo: Objetivos: Comparar a resistência à fadiga (RFAD) e à fratura (RFRA), o modo de falha e o desgaste do antagonista em contato com os diferentes designs de coroas CAD/CAM utilizadas para restaurar molares tratados endodonticamente/TE ou não, fabricadas em cerâmica feldspática/FEL, dissilicato de lítio/DL ou resina nano cerâmica/RNC e fixadas com cimento resinoso auto-adesivo. Materiais e Métodos: Para os capítulos um e dois, 90 molares foram preparados e restaurados com coroas com espessura de 1,5mm ou 0,7mm respectivamente, em FEL, DL ou RNC. Para os capítulos três e quatro, outros 90 molares tiveram a porção coronária removida (nível da junção cemento-esmalte), foram TE e restaurados utilizando três diferentes designs de núcleo de preenchimento em resina composta/NPRC (4-mm de altura, 2-mm ou sem núcleo de preenchimento/endocrown) associados a coroas em RNC ou DL respectivamente. Para o capítulo cinco, grupos dos capítulos um (RNC/1,5mm e DL/1,5mm), três (NPRC de 4-mm de altura/RNC) e quatro (NPRC de 4-mm de altura/DL) foram combinados. Todas as coroas do estudo foram confeccionadas pelo sistema CAD/CAM Cerec 3 e cimentadas com o cimento RelyX Unicem II Automix. As coroas em FEL e DL foram previamente condicionadas com ácido fluorídrico e silanizadas. As coroas em RNC, assim como os dentes preparados foram apenas jateados. Todas as restaurações foram submetidas ao teste de RFAD com um carregamento cíclico isométrico aplicado por uma esfera de resina composta. O carregamento começou com cargas de 200N (5.000x) seguidos por estágios de 400, 600, 800, 1000, 1200 e 1400N a um máximo de 30.000 ciclos cada. Os espécimes foram submetidos ao carregamento até a fratura ou por no máximo 185.000 ciclos. Os espécimes que resistiram a todos os ciclos foram novamente testados axialmente até a falha ou até uma carga máxima de 4.500N. Os espécimes foram classificados quanto ao modo de falha em: catastrófica, possivelmente reparável e reparável. Os grupos foram comparados utilizando uma análise de sobrevida para o teste de RFAD e t-test ou ANOVA para o teste de RFRA. Comparações Post hoc também foram utilizadas para comparar os diferentes grupos. Resultados: A taxa de sobrevida das coroas sobre os molares não TE foram: 80% (RNC/1,5mm), 6,6% (RNC/0,7mm), 93,3% (DL/1,5mm), 13,2% (DL/0,7mm), 6,6% (FEL/1,5mm) e 0% (FEL/0,7mm). A RFRA das coroas com 1,5mm de espessura foi: 3122N-RNC, 3237N-DL e 2500N-FEL. As coroas cimentadas sobre molares TE tiveram taxa de sobrevida e RFRA respectivamente de: 53%/2969N (RNC-4mm de altura), 100%/3181N (DL-4mm de altura), 87%/2794N (RNC-2mm de altura), 93%/3759N (DL-2mm de altura), 87%/2606N (RNC-endocrown) e 100%/3265N (DL-endocrown). No teste de RFAD houve falha catastrófica apenas para as coroas confeccionadas em RNC-4mm. Após o teste de RFRA todos os espécimes falharam catastroficamente. As coroas em RNC induziram menor desgaste aparente ao antagonista. Conclusão: Apenas as coroas FEL-0,7mm não sobreviveram além da máxima força mastigatória humana. Para os dentes não TE, as coroas em DL e RNC com espessuras de 1,5mm tiveram o melhor desempenho mecânico. Para os molares TE, uma maior carga para fratura foi requerida com o uso de coroas em DL-2mm. O tratamento endodontico não teve influência sobre a RFAD de molares restaurados com coroas CAD/CAM de DL, mas diminuiu a performance das RNC
Abstract: Objectives: To evaluate the fatigue resistance, load-to-failure, failure mode and antagonistic wear in contact with different designs of full CAD/CAM crowns made of feldspathic ceramic/FEL, lithium disilicate/LD or resin nano ceramic/RNC. These prosthetic materials were used to restore endodontic treated molars or not, using a simplified cementation process. Materials and Methods: Chapters One and Two used 90 molars, which had a standardization of full crown preparation and teeth were restored using crown made of FEL, LD and RNC with thickness of 1.5mm or 0.7mm, respectively. Chapters Three and Four used 90 molars decoronated at the level of CEJ, endodontically-treated and restored using three different Filtek Z100 adhesive core build-ups designs (4-mm-build-up; 2-mm-build-up; and no buildup/ endocrown preparation) combined to crowns made of RNC and LD, respectively. For Chapter Five, groups of Chapters One (RNC/1,5mm and LD/1,5mm), Three (4-mm-build-up/RNC) and Four (4-mm-build-up/LD) were combined. All molars were restored using the Cerec 3 CAD/CAM system and cemented with RelyX Unicem II Automix cement. FEL and LD restorations were conditioned by hydrofluoric acid etching and silanated. RNC restorations as well as all preparations were treated only with airborne-particle abrasion. All restorations were submitted to cyclic isometric loading applied through a composite resin hemi-sphere. The cyclic loading started with a load of 200N (x5000 cycles), followed by stages of 400, 600, 800, 1000, 1200, and 1400N at a maximum of 30,000 cycles each. Specimens were loaded until failure or for a maximum of 185,000 cycles. Survived specimens were axially loaded until failure or to a maximum load of 4,500N. After load tests, the specimens were analyzed for the failure mode: "catastrophic" tooth/root failure, "possibly reparable" failure and "reparable" failure. Groups were compared using the life table survival analysis (fatigue test) and the t-test, one-way or two-way ANOVA for the survived samples loaded to failure. Pairwise post hoc comparisons were used to compare the different groups. Results: The survival rates for the vital teeth were: 80% (RNC - 1.5mm), 6.6% (RNC - 0.7mm), 93.3% (LD - 1.5mm), 13.2% (LD - 0.7mm), 6.6% (FEL - 1.5mm) and 0% (FEL - 0.7mm). Post-fatigue load-to-failure for 1.5mm crowns ranged between 3122N (RNC), 3237N (LD) and 2500N (FEL). The survival rate and post-fatigue load to failure for non-vital teeth were 53% / 2969N (4mm - RNC), 100% / 3181N (4mm - DL), 87% / 2794N (2mm - RNC), 93% / 3759N (2mm - DL), 87% / 2606N (endocrown - RNC) e 100% / 3265N (endocrown - LD), respectively. There were only catastrophic failures for 4mm-build-up RNC during the fatigue test. All of specimens in the load-to-failure test exhibited non-restorable catastrophic fractures. Crowns made of RNC seemed to generate the least amount of antagonistic wear. Conclusions: FEL crowns with 0.7mm of thickness didn't survive beyond the maximum masticatory forces. RNC and LD crowns with 1.5mm thick had the best performance on vital teeth. LD crowns combined with short build-ups (2mm) were associated to highest loads to failure. Endodontic treatment did not influence the fatigue resistance of molars restored with LD CAD/CAM complete crowns but decreased the performance of RNC crowns
Doutorado
Materiais Dentarios
Doutora em Materiais Dentários
Fleming, Steven. "The enhancement of PHIGS plus B-spline functionality for geometric modeling in CAD." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-01122010-020154/.
Full textVirk, Gurmej Singh. "A computer-aided learning and design system for control engineering." Thesis, University of Sheffield, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364270.
Full textWong, Francis Seung Yin. "Case-based reasoning for computer-aided inspection process planning /." access full-text access abstract and table of contents, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?phd-meem-b19887656a.pdf.
Full text"Submitted to Department of Manufacturing Engineering and Engineering Management in partial fulfillment of the requirements for the degree of Doctor of Philosophy." Includes bibliographical references (leaves 164-175).
Chen, Kun. "Haptic system for collision-free 5-axis tool path generation /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?MECH%202006%20CHENK.
Full textChintamaneni, Prashantkumar. "Integration of unigraphics and cost advantage for aircraft engine parts configuaration." Ohio : Ohio University, 2000. http://www.ohiolink.edu/etd/view.cgi?ohiou1171569577.
Full textWhelan, Peter Timothy. "CAD/CAM data base management systems requirements for mechanical parts." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/17692.
Full textSheik, Meeran A. "Automated feature recognition from 2D CAD models." Thesis, Cranfield University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.281227.
Full textKohareswaran, Naganandhini. "Design and implementation of Sketcher user interface for a geometric constraint solver /." [Gainesville, Fla.] : University of Florida, 2002. http://purl.fcla.edu/fcla/etd/UFE0000556.
Full textBao, Zhuojun. "Rechnerunterstützte Kollisionsprüfung auf der Basis eines B-rep/Polytree/CSG-Hybridmodells in einem integrierten CAD/CAM-System /." Düsseldorf : VDI-Verl, 2000. http://www.gbv.de/dms/bs/toc/319988562.pdf.
Full textLarson, Jonathan Karl. "CAD tool emulation for a two-level reconfigurable cell array for digital signal processing." Online access for everyone, 2005. http://www.dissertations.wsu.edu/Thesis/Fall2005/j%5Flarson%5F120805.pdf.
Full textDeal, Julia L. "Assessment of classical database models for representing solids /." Online version of thesis, 1987. http://hdl.handle.net/1850/8804.
Full textHo, Lee-kin Joe. "Incorporating GIS and CAD technologies in the modelling of three-dimensional urban landscape of Hong Kong." Click to view the E-thesis via HKUTO, 1999. http://sunzi.lib.hku.hk/hkuto/record/B42575229.
Full textTam, Ka-wing. "Feature based reverse engineering for thermoforming mould design /." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36537196.
Full textMoore, Robert Keith. "Computer aided programming of a CNC lathe." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25123.
Full textApplied Science, Faculty of
Mechanical Engineering, Department of
Graduate
Soderquist, Hans Lars. "Automatic geometric data migration throughout views of a model fidelity family /." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1184.pdf.
Full textOwen, John J. IIII. "Economic evaluation and justification of industrial automation." Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/24539.
Full textTam, Ka-wing, and 譚家榮. "Feature based reverse engineering for thermoforming mould design." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B36537196.
Full textKwong, Kin-wa. "Computer-aided parting line and parting surface generation in mould design /." [Hong Kong : University of Hong Kong], 1992. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1341804X.
Full textNg, Wai-ming Micky. "Orientating, tessellating and direct slicing of 3D CAD models : improving accuracy and efficiency for rapid prototyping process /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19537621.
Full textVidal, Tabata. "Concepção de proteses mioeletricos de membros superiores baseado no estudo fisiologico." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264737.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica
Made available in DSpace on 2018-08-11T07:22:27Z (GMT). No. of bitstreams: 1 Vidal_Tabata_M.pdf: 5227439 bytes, checksum: 003d20540fa55512408c2b363171f23c (MD5) Previous issue date: 2008
Resumo: O objetivo deste trabalho foi revisar na literatura os desenvolvimentos da aplicação das tecnologias envolvidas em automação dedicadas às próteses mioelétricas de membros superiores, desde os primeiros trabalhos implementados no período pós-Segunda Guerra Mundial até as soluções tecnológicas atualmente utilizadas. O conceito de prótese mioelétrica envolve a aquisição e tratamento do sinal mioelétrico de um membro residual que é usado para acionar um atuador que ativará a ferramenta terminal. Objetivando a elaboração de uma solução compatível e aplicável harmonicamente ao sistema orgânico, foram realizados estudos da anatomia, da fisiologia articular dos membros superiores, da natureza e características do sinal mioelétrico, além das tecnologias envolvidas para a concepção de protótipos mecatrônicos, tais como técnicas de CAD-CAE-CAM e a geração de circuitos eletrônicos dedicados à coleta e tratamento de sinais mioelétricos. Para validar o desenvolvimento teórico, três protótipos da ferramenta terminal foram confeccionados, sendo testados em nível de bancada
Abstract: The goal of this work was to review the specialized literature for the development of technological applications connected with automation of myoelectrical prosthesis of upper limbs throughout the years, from World War 2 post-war solutions to the technology currently applied. The concept of myoelectrical prosthesis presupposes implies the acquisition and treatment of the myoelectrical signal of a residual limb which is used to start an actuator, which in turn activates the terminal tool. Aiming at encountering a solution that could be both compatible and harmoniously applicable to the human body, the author engaged in studying anatomy, upper limbs articular physiology, the nature and characteristics of the myoelectrical signal in addition to the technologies utilized to conceive mechatronic prototypes, i.e. CAD-CAE-CAM and the creation of dedicated electronic circuits to collect and process the myoelectrical signals. To validate the theoretical foundation of this project, three prototypes of terminal tools were manufactured and bench-tested.
Mestrado
Mecanica dos Sólidos e Projeto Mecanico
Mestre em Engenharia Mecânica
Ghatpande, Puja Sudhakar. "Study of fixturing accessibilities in computer-aided fixture design." Worcester, Mass. : Worcester Polytechnic Institute, 2008. http://www.wpi.edu/Pubs/ETD/Available/etd-080808-195905/.
Full textSturnick, Gerald R. "Integration of computer-aided design techniques into the mechanical product development process /." Online version of thesis, 1989. http://hdl.handle.net/1850/10477.
Full textPennington, Sandra Lynn. "Automatic geometric modeling of spatial mechanism links." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/91056.
Full textM.S.
Zhu, Weiwei. "The multilevel structures of NURBs and NURBlets on intervals." Diss., St. Louis, Mo. : University of Missouri--St. Louis, 2009. http://etd.umsl.edu/r4262.
Full textDixit, Shrikant. "Expert system for machinability data integrated with a CAD system." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/45935.
Full textThis work defines an expert machinability data system integrated with a CAD system, for computing complete machining parameters required for further processing with NC software. The main objective is to move toward the concept of a fully computerized system, from design to the generation of NC code which can be directly sent to a manufacturing unit. A typical example of such a system, MICADEX, is described in this thesis. MICADEX is capable of retrieving geometric description of components from their 2-D CADAM drawings using the IUE (CADAM Access) facilities and making decisions on machining parameters required for the turning operation, in consultation with the user. MICADEX is designed to be a representative example of an intelligent system capable of providing virtual machining facilities on a CAD system, and lt does not require its users to have a high level of engineering skills.
Master of Science
Katzenbach, Alfred, and Peyman Merat. "Methodik zum Austausch eines CAD Systems in einem Großunternehmen." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-228005.
Full textKate, Hrishikesh. "Modeling haptics for virtual cutting embedded in CAD." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Thesis/Fall2007/H_Kate_092407.pdf.
Full textFernando, L. Greshan. "Development of an analytical model for electrochemical machining (ECM) of an axisymmetric disk." Ohio : Ohio University, 1999. http://www.ohiolink.edu/etd/view.cgi?ohiou1175884893.
Full textTabani, Haroon R. "Application of NC machining of complex surfaces to streamlined extrusion dies." Ohio : Ohio University, 1989. http://www.ohiolink.edu/etd/view.cgi?ohiou1182523937.
Full textLee, Taeyoung. "Improved slab method for axisymmetric forging." Ohio : Ohio University, 1996. http://www.ohiolink.edu/etd/view.cgi?ohiou1178221157.
Full textTsang, Yuk-Piu. "Design and implementation of an advanced user interface for three- dimensional conceptual design on CAD/CAM systems." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/101327.
Full textM.S.
Choi, Young Gu. "An integrated computer simulation system to evaluate surface integrity in end milling /." free to MU campus, to others for purchase, 1996. http://wwwlib.umi.com/cr/mo/fullcit?p9717175.
Full text