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Dissertations / Theses on the topic 'Flange'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Vakiener, Adam R. "Preliminary investigation of flange local buckling in pultruded wide flange structural shapes." Thesis, Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/19562.

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2

Sufran, Mansor. "COMPARISON OF STRENGTH, DUCTILITY AND STIFFNESS OF FREE FLANGE AND WELDED FLANGE PLATE CONNECTION." OpenSIUC, 2019. https://opensiuc.lib.siu.edu/theses/2632.

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Steel structures have been in use in high-rise structures since its more economical as compared to the use of concrete. The steel frames constructed fall under ordinary moment-resisting structures or special moment-resisting structures. Since the occurrence of Northridge earthquake in 1994 and Kobe earthquake in 1995, a lot of research has been done on causes of structural failure as well as remedies to the faults previously present in the building before the occurrence of the earthquake.

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3

Steau, Edward. "Web bearing behaviour and design of hollow flange beams." Thesis, Queensland University of Technology, 2015. https://eprints.qut.edu.au/120162/1/Edward_Steau_Thesis.pdf.

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Thin-walled steel hollow flange channel beams are commonly used as joists and bearers in various flooring systems in buildings. They are mono-symmetric sections with two closed rectangular hollow flanges, which make them highly structurally efficient when compared with conventional cold-formed steel sections. The LiteSteel beam (LSB) section is a welded hollow flange channel beam with two rectangular hollow flanges. It is made from a single steel strip using a combined dual electric resistance welding and automated continuous rollforming process. Recent research studies made improvements to th

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4

Waara, Patric. "Wear reduction performance of rail flange lubrication." Licentiate thesis, Luleå, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26422.

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Rail and rail wheel flange wear on the rail track has been a problem of attention for the last 30 years. The problems arise in curves and depend on increased traffic volume, heavier axle load and also higher speed. Axle loads of 22,5-25 ton is common nowadays and the trend is towards heavier axle loads where the next step is 30-35 ton. Flange wear includes both wheel and rail flanges and is therefore a problem for the operating company as well as the infrastructure owner. The flange wear depend mainly on the number of passed axles, type of traffic, speed and curve radius but also the axle load

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5

Bishop, Cliff Douglas. "Flange bracing requirements for metal building systems." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47665.

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The analysis and design of bracing systems for complex frame geometries typically found in metal buildings can prove to be an arduous task given current methods. The American Institute of Steel Construction's Appendix 6 from the 2010 Specification for Structural Steel Buildings affords engineers a means for determining brace strength and stiffness requirements, but only for the most basic cases. Specifically, there are a number of aspects of metal building systems that place their designs outside the scope of AISC's Appendix 6 (Stability Bracing for Columns and Beams). Some of the aspects not

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6

Cao, J. J. "Tension circular flange joints in tubular structures." Thesis, University of Manchester, 1995. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.527696.

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7

Berrington, R. E. "Rig design to provide flange methodology validation data." Thesis, Swansea University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.636083.

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Over the years many researchers have investigated various aspects of bolted flanged joints. Much of this has been in the areas of flange sealing and fatigue characterisation of the joint components. Roll-Royce plc is researching new methods of analysing the flanged joints on its aero-engine casings, with the aim of reducing weight by up to thirty percent without compromising reliability or efficiency. In modern civil aero-engines, the need to withstand the excessive stresses induced by the loss of a fan blade is the design case for many of the structural casing flanges. These flanged joints te

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8

Berninghaus, Garth B. "Stress distribution in welded flange-bolted web connections." Thesis, Monterey, California. Naval Postgraduate School, 1995. http://hdl.handle.net/10945/26269.

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9

Wappler, Gilberto Paulo. "Otimização paramétrica de um flange de motor elétrico." Universidade do Estado de Santa Catarina, 2014. http://tede.udesc.br/handle/handle/2065.

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Made available in DSpace on 2016-12-12T20:25:12Z (GMT). No. of bitstreams: 1 Gilberto Paulo Wappler.pdf: 3228907 bytes, checksum: b89445d7a190e66455c34f9382fb8d2f (MD5) Previous issue date: 2014-12-16<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>This work has the objective of implementing a structural optimization procedure in order to adjust the natural frequency of electric motors. This is accomplished by modifying some flange dimensions, which is the part connecting the motor to the system being driven. The implemented optimization algorithm is the PSO (Particle Swarm

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10

Assenso, Antwi Akwasi Manu. "Behavior of wide flange beams with web openings." OpenSIUC, 2012. https://opensiuc.lib.siu.edu/theses/978.

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Behavior of wide flanged beams is of much importance to civil engineers as this one of the main materials used in steel structures. Openings are made in the web of beams to pass services pipes from one side of the building to another, when these openings are made in the beams, the shear and moment capacity at this section will be reduced. This will increase stresses at this section of the beam and will subsequently affect the stress distribution in the beam with web opening. Longitudinal stiffeners are placed at the top and bottom edges of the web opening to increase both moment and shear capa

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11

Sharma, Akhil. "Flange stability bracing behavior in metal building frame systems." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39485.

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The objective of this research is to evaluate the stiffness and strength demands on flange braces in metal building systems. This objective is accomplished by a targeted study of the effects of various attributes of metal building systems not fully addressed in existing bracing design procedures. Special emphasis is placed on attributes such as unequal brace spacing and stiffness, end brace point flexibility, nonprismatic member geometry, special requirements at knee joints and the specific configuration of combined girt/purlin, flange diagonal, diaphragm and X bracing systems used in metal bu

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12

Conforti, Evandro 1947. "Antena a guia cilindrico-circular comterminação em flange conica." [s.n.], 1987. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261303.

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Tese (livre-docencia) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica<br>Made available in DSpace on 2018-07-14T06:45:31Z (GMT). No. of bitstreams: 1 Conforti_Evandro_LD.pdf: 1411719 bytes, checksum: f7e679b0f5365ad3d77069e8c1581463 (MD5) Previous issue date: 1987<br>Resumo: Não informado<br>Abstract: Not informed<br>Tese (livre-docencia) - Univer<br>Livre-Docente em Engenharia Eletrica

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13

Kalbhor, Mayank D. "Structural and Thermal Analysis of Flange for LNG Applications." Cleveland State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=csu1243355785.

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14

Tanawade, Atul Gunaji. "Probabilistic Structural and Thermal Analysis of a Gasketed Flange." Cleveland State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=csu1326916079.

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15

Anapayan, Tharmarajah. "Flexural behaviour and design of hollow flange steel beams." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/36210/1/Tharmarajah_Anapayan_Thesis.pdf.

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The LiteSteel Beam (LSB) is a new hollow flange channel section developed by OneSteel Australian Tube Mills using a patented Dual Electric Resistance Welding technique. The LSB has a unique geometry consisting of torsionally rigid rectangular hollow flanges and a relatively slender web. It is commonly used as rafters, floor joists and bearers and roof beams in residential, industrial and commercial buildings. It is on average 40% lighter than traditional hot-rolled steel beams of equivalent performance. The LSB flexural members are subjected to a relatively new Lateral Distortional Buckling mo

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16

Tran, Dai Quang. "Toward improved flange bracing requirements for metal building frame systems." Thesis, Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/33908.

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This research investigates the application of the AISC Direct Analysis Method for stability bracing design of columns, beams, beam-columns and frames. Emphasis is placed on out-of-plane flange bracing design in metal building frame systems. Potential improvements and extensions to the 2005 AISC Appendix 6 stability bracing provisions are studied and evaluated. The structural attributes considered include various general conditions encountered in practical metal building design: unequal brace spacing, unequal brace stiffness, nonprismatic member geometry, variable axial load or bending moment a

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17

Pezeshky, Payam. "Distortional Static and Buckling Analysis of Wide Flange Steel Beams." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36074.

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Existing design provisions in design standards and conventional analysis methods for structural steel members are based on the simplifying kinematic Vlasov assumption that neglects cross-sectional distortional effects. While the non-distortional assumption can lead to reasonable predictions of beam static response and buckling strength in common situations, past work has shown the inadequacy of such assumption in a number of situations where it may lead to over-predicting the strength of the members. The present study thus develops a series of generalized theories/solutions for the static anal

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18

Bandy, Brent J. "Flexural behavior of a deep wide-flange FRP pultruded beam." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/21805.

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19

Arizou, Ramin. "Distortional Lateral Torsional Buckling of Doubly Symmetric Wide Flange Beams." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41574.

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Distortional lateral-torsional buckling theories assume that the flanges remain undistorted, while the web is free to distort as a thin plate. Most theories adopt a cubic polynomial distribution along the web height to relate the lateral displacement of the web to the displacements and angles of twist both flanges. The present study develops a family of finite element solutions for the distortional buckling of wide flange beams in which the flanges are assumed to remain undistorted. In contrast to past theories, the lateral displacement distribution along the web height is characterized by sup

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20

O'Neill, Leah. "Lateral-Torsional Buckling Capacity of Tapered-Flange Moment Frame Shapes." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/5759.

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While moment frames are a popular lateral-force resisting system, their constant cross-section can lead to inefficiencies in energy absorption and stiffness. By tapering the flange width linearly toward the center of the beam length, the energy absorption efficiency can be increased, leading to a better elastic response from the beam and more elastic stiffness per pound of steel used. Lateral-torsional buckling is an important failure mode to be considered for tapered-flange moment frame shapes. No closed-form or finite element solutions have yet been developed for tapered-flange I-beams with

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21

Galatanu, Anca Daniela. "Behaviour and design of hollow flange beams under axial compression." Thesis, Queensland University of Technology, 1997. https://eprints.qut.edu.au/36012/1/36012_Galatanu_1997.pdf.

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The Hollow Flange Beam (HFB) is a relatively new cold-formed steel section developed by Palmer Tube Mills (Australia) Pty. Ltd., released into Australian markets in November 1993, and targeting applications in the light industrial and domestic markets. It was envisaged early in the product development that the section will be primarily used as a flexural member. Therefore research and development effort was concentrated in this area, and little is kno,vn about the HFB behaviour under axial compression. Furthermore, because of its unique fabrication process and distorsional buckling beh

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22

Heldt, Tim J. "The use of hollow flange beams in portal frame buildings." Thesis, Queensland University of Technology, 1996.

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23

Dara, Martin Luther. "Direct Strength Method for Web Crippling of Cold-formed Steel C and Z Sections Subjected to Interior One Flange Loading and End One Flange Loading." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc822839/.

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The main objective of this research is to extend the “Direct strength method” for determining the web crippling strength of cold-formed steel C and Z sections subjected to End one flange loading and Interior one flange loading conditions. Direct strength method is applied for designing the columns and beams earlier. The existing specifications equation for calculating the web crippling strength of cold-formed steels designed by American Institute of Iron and Steel is very old method and it is based on the extensive experimental investigations conducted at different universities. Calculating th

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24

Noll, Florian Matthias. "New methods for manually falling trees using hydraulically powered flange spreaders." Thesis, University of British Columbia, 2010. http://hdl.handle.net/2429/26368.

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Safety in forestry and especially in manual tree falling has become increasingly important over the last decade. Manual tree falling is widely regarded as the most dangerous part of forestry work. This thesis reports the results from a project that used a remotely operated hydraulic flange spreader and a novel holding wood pattern, consisting of uncut strips (tension strips) to remove the faller from the base of the tree when it starts to displace, since this is when many accidents occur. The novel holding wood pattern uses uncut strips of wood on the backcut side of the tree to hold the tree

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25

Iyer, Hariharan. "The Effects of Shear Deformation in Rectangular and Wide Flange Sections." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/31421.

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Shear deformations are, generally, not considered in structural analysis of beams and frames. But shear deformations in members with low clear span-to-member depth ratio will be higher than normally expected, thus adversely affecting the stiffness of these members. Inclusion of shear deformation in analysis requires the values of shear modulus (modulus of rigidity, G) and the shear area of the member. The shear area of the member is a cross-sectional property and is defined as the area of the section which is effective in resisting shear deformation. This value is always less than the gross ar

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26

Lee, Wey-Jen. "Behavior of Connection with Beam Bearing on Bottom Flange of Girder." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/35529.

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An analytical investigation was conducted to study the behavior of a bottom flange bearing beam-to girder connection subjected to patch loading. This connection would be useful with deep deck (thickness greater than 3 in.) composite slabs as well as with commonly used deck where floor-to-floor height needs to be minimized. Five girder specimens were loaded until yielding during the initial phase of the research. The analysis section consists of the yield line theory and finite element study that were used to develop a model to predict the collapse loads of the girder sections. These results fr

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27

Hunn, Zachary D. "A Finite Element Study of Non-Orthogonal Bolted Flange Plate Connections." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1512045358760702.

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28

Carlson, Ryne. "Flexural Strength of Steel Beams with Holes in the Tension Flange." University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563527519192391.

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29

Perera, Nilakshi. "Structural behaviour and design of innovative hollow flange steel plate grinders." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/123310/1/Liyanage%20Nilakshi%20Piyahasi_Perera_Thesis.pdf.

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This thesis proposes a new Hollow Flange Steel Plate Girder (HFSPG) by welding industrially available cold-formed Rectangular Hollow Sections (RHS) to a web plate for use in long span construction. Design procedures presented in the national and international design guidelines were reviewed and suitable improvements were made to accurately predict the structural behaviour and capacities of HFSPGs by undertaking detailed experimental and numerical studies into their unique structural behaviour. Local buckling/yielding, global buckling and local-global interaction failures were all considered in

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30

Hassan, Rusul. "Distortional Lateral Torsional Buckling Analysis for Beams of Wide Flange Cross-sections." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24008.

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Structural steel design standards recognize lateral torsional buckling as a failure mode governing the capacity of long span unsupported beams with wide flange cross-sections. Standard solutions start with the closed form solution of the Vlasov thin-walled beam theory for the case of a simply supported beam under uniform moments, and modify the solution to accommodate various moment distributions through moment gradient expressions. The Vlasov theory solution is based on the assumption that cross-sectional distortional effects have a negligible effect on the predicted elastic critical moment.

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31

Lane, Andrew. "An experimental investigation of buckling mode interaction in PERP wide-flange columns." Thesis, University of Warwick, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269543.

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32

Kirkhope, Robert J. (Robert John) Carleton University Dissertation Engineering Civil and Environmental. "Behaviour of webs of welded wide flange shapes subjected to concentrated loads." Ottawa, 1995.

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33

Hernandez, Andrea Alejandra. "PLASTIC HINGE LOCATION EFFECTS ON THE DESIGN OF WELDED FLANGE PLATE CONNECTIONS." OpenSIUC, 2016. https://opensiuc.lib.siu.edu/theses/1863.

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Seismic design criteria have been heavily improved by the Federal Emergency Management Agency (FEMA) after the Northridge CA earthquake in 1994. Most of the damage observed was caused by brittle failure of moment frame connections. This failure was induced by the formation of the plastic hinge at undesirable locations in the beam and the column near the connection. Using welded flange plate (WFP) connections will force the formation of the plastic hinge away from the face of the column while preventing the brittle failure of the moment connection. FEMA-350 design criteria recommendations for

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34

Meads, David. "P-DELTA EFFECTS ON STEEL MOMENT FRAMES WITH WELDED FLANGE PLATE CONNECTIONS." OpenSIUC, 2011. https://opensiuc.lib.siu.edu/theses/555.

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The P-Delta effect occurs when a frame or structure is laterally displaced by either seismic or wind loadings. As the structure is being displaced laterally, gravity begins to act on the members causing a secondary effect of the forces and moments which in turn cause additional displacement. The purpose of this study is to investigate the P-Delta effect on multi-story steel framed structures with welded flange plate connections. The traditional method regarding the calculation of the P-Delta effect assumes the lateral displacement of the steel columns is due to lateral deflection only and

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35

Siahaan, Ropalin. "Structural behaviour and design of rivet fastened rectangular hollow flange channel beams." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/106913/1/Ropalin_Siahaan_Thesis.pdf.

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This thesis presents a study into the structural behaviour and design of the innovative rivet fastened Rectangular Hollow Flange Channel Beams (RHFCB). The RHFCB utilizes the inexpensive self-pierce rivet fastening in its fabrication, providing cost effective structural solutions in floor systems. The first part of the thesis focuses on the section moment capacities of the beams subject to local buckling effects while the second part investigates the member moment capacities of intermediate span beams subject to the unique lateral distortional buckling effects. Each part involves experimental

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36

Petersen, Troy A. "The displacement ductility of steel moment resisting frames using welded flange plate connections /." Available to subscribers only, 2006. http://proquest.umi.com/pqdweb?did=1136091371&sid=2&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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37

Do, Tan Dan. "The effect of bolt spacing on the tightness behavior of bolted flange joints." Mémoire, École de technologie supérieure, 2012. http://espace.etsmtl.ca/964/1/DO_Tan_Dan.pdf.

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Les assemblages à brides boulonnées munis de joints d’étanchéité sont les systèmes de raccordement les plus répandus entre les différents éléments des réservoirs sous pression. Ils sont largement utilisés dans l'industrie chimique, pétrochimique et nucléaire. Ce sont des structures simples et des assemblages démontables. Ce qui les rend plus attractifs pour connecter des équipements sous pression et la tuyauterie. En plus des risques de fuite, ils ont besoin de maintenance en cours de fonctionnement au cas où les boulons doivent être resserrés ou dévissés pour être remplacés. Bien que le

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38

Viljoen, P. de K. "Investigation into the top flange and web deformation in a crane girder panel." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/49998.

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Thesis (MEng) -- Stellenbosch University, 2004.<br>ENGLISH ABSTRACT: The purpose of this project was to study the deformations of the top flange and web of a girder panel resulting from loads, which have been imposed by an overhead travelling crane. This was achieved by designing a crane girder that represents dimensional ratios occurring in practice. The first part of this project attempts to determine the properties of the crane girder. The crane girder was built from drawings in the workshop of the University of Stellenbosch’s Civil-Department. Positions were identified where the str

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39

Al, Karkour Khaleel. "Unreinforced masonry walls and flange effect: a parametric study through block-based modeling." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.

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This study reported in this thesis shows the flange effect in unreinforced masonry walls subjected to in-plane loading. Previous studies showed the importance of capturing the in-plane behaviour of flanged masonry walls for seismic studies. A generative tool was developed using Dynamo and Abaqus Scripting Interface (ASI) to make a parametric model covering most cases of constructing the flange wall. The analysis was held using Finite Element Method through ABAQUS software and masonry wall was modelled through block-based modelling strategy. Large parametric study was carried out to investigate

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40

Hantouche, Elie. "Behavior Of Thick Flange Built-up T-stub Connections For Moment Resisting Frames." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1313687182.

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41

Zhao, Wen-Bin. "Behaviour and design of cold-formed steel hollow flange sections under axial compression." Thesis, Queensland University of Technology, 2006. https://eprints.qut.edu.au/16909/1/Wen-Bin_Zhao_Thesis.pdf.

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The use of cold-formed steel structures is increasing rapidly around the world due to the many advances in construction and manufacturing technologies and relevant standards. However, the structural behaviour of these thin-walled steel structures is characterised by a range of buckling modes such as local buckling, distortional buckling or flexural torsional buckling. These buckling problems generally lead to severe reduction and complicated calculations of their member strengths. Therefore it is important to eliminate or delay these buckling problems and simplify the strength calculations of

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42

Zhao, Wen-Bin. "Behaviour and design of cold-formed steel hollow flange sections under axial compression." Queensland University of Technology, 2006. http://eprints.qut.edu.au/16909/.

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The use of cold-formed steel structures is increasing rapidly around the world due to the many advances in construction and manufacturing technologies and relevant standards. However, the structural behaviour of these thin-walled steel structures is characterised by a range of buckling modes such as local buckling, distortional buckling or flexural torsional buckling. These buckling problems generally lead to severe reduction and complicated calculations of their member strengths. Therefore it is important to eliminate or delay these buckling problems and simplify the strength calculations of

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43

Hognestad, Gunnar. "2-D composite structures : analysis of composite flange connections and determination of interlaminar strength." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334809.

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44

Lo, Sheng-Wei, and 羅盛威. "Seismic Performance of Steel Wide Flange Column-to-Beam Connections Using Internal Flange Stiffeners." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/36623254832863627569.

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碩士<br>國立交通大學<br>土木工程學系<br>100<br>The research presents test and finite element analysis results of steel wide flange column-to-beam connections using internal flange stiffeners (IFS). Four full-scale moment connections were tested. All specimens had bolted web connection and welded beam-to-column flange using complete joint penetration welds. One specimen without internal flange stiffeners was tested as a benchmark. Three rehabilitated moment connections had different shape stiffeners and beam material. All rehabilitated moment connections showed excellent performance under the AISC (2005) sei

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45

Shih, Ching-Wei, and 施經緯. "Study on Flange Bush Forming." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/76040705696542948672.

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碩士<br>高苑科技大學<br>機械與自動化工程研究所<br>100<br>The study uses Deform 3D FEM analysis software to simulate the new product development, and propose the analysis of various possible forming plans. This study carries out the realistic cylinder compression to obtain the flow stress, and performes really the ring compression to get the frictional factors between the dies and forged materials in forming to simulate with. Deform 3D FEM analysis software. And the tension test of rod has been carried out to obtain the critical damage value (CDV) combining with Cockcroft & Latham and Normalized Cockcroft & Latha

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46

Hu, You-Wei, and 胡祐瑋. "Effects of SM570M-CHW steel beam flange eccentricity and column flange thickness on electronic slag welding failure." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/f85bxe.

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碩士<br>國立臺灣大學<br>土木工程學研究所<br>106<br>Steel box columns are widely used in seismic steel building structures in Taiwan. In order to effectively transfer the beam-end moment to the column, diaphragm plates are welded inside the box column at the same elevations of the welded beam flanges. Electro-slag welding (ESW) procedure is common applied to attach the diaphragm plates to the column. Recently, SM570M-CHW grade high strength steel is also widely adopted in steel building structure in order to reduce the member sizes. In this study, two full-scaled welded SM570M-CHW steel beam-to-column moment c

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47

Lu, Cheng-Fu, and 呂正富. "Preform Design of Double End Flange Stud." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/3w6299.

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碩士<br>國立高雄應用科技大學<br>模具系碩士在職專班<br>103<br>Double end flange studs have two threads with different dimensions. The billets for producing the studs required a multi-stepped rod with different diameters. In general, the billet for the double end flange stud can be produced by two processes, a two-stage forging process using a multi-stage horizontal forging press, and a machining process. To avoid the machining process and reduce the costs, it is widely interested to develop new methods for manufacturing the billet for threading studs. This study proposed a three-stage preform design for producing t

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Liu, Chien-Kuo, and 劉建國. "CAE Analysis of PA66 Long-Cantilever-Span Flange." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/jz4pzj.

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碩士<br>國立臺北科技大學<br>製造科技研究所<br>102<br>The long-cantilever-span flange is the bracket mechanism used in piano grand wippen. This research attempts to use polyamide materials (PA) to make the bracket, so as to improve the damp problem of the original design which caused to not rotate smoothly. However, the mold of polyamide material injected generates warpage. This research intends to design the gate locations and gate sizes with reducing thickness of plastic wall method to improve and solve the problem of plastic molding warpage. This study adopts Moldex3D CAE (Computer Aided Engineering) injecti

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Vanevenhoven, Linda Marie. "LRFD factors for FRP pultruded wide-flange columns." 2007. http://catalog.hathitrust.org/api/volumes/oclc/191907377.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 2007<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 125-129).

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Tsai, Jau-Shin, and 蔡釗炘. "study on the flange forging of aluminium alloy." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/12302468844565806266.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>90<br>In this study , A6061 aluminum alloy are applied in the flange forging process to discuss the influences of process parameters to forging load and mechanical properties . The process parameters discussed in the study are types of lubricant , impact speed , forging temperature , and die radii . Use the Taguchi experimental method to reduced the numbers of experiment and use the ANOVA to analyze the effect of each factor . Except use the Taguchi experimental method to discuss the influences of process parameters to forging load and mechanical properties , Also h

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