Relevant bibliographies by topics / Tažení

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Academic literature on the topic 'Tažení'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "Tažení"

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Marková, Blanka, and Ondřej Slach. "Governance kulturou tažené urbánní regenerace: Případová studie Černá louka v Ostravě." Sociální studia / Social Studies 10, no. 4 (October 25, 2013): 127–43. http://dx.doi.org/10.5817/soc2013-4-127.

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Cílem textu je hodnocení plánovaného projektu kulturního klastru Černá louka na území města Ostravy. Pro potřeby hodnocení byl využit koncept urbánní governance, politických cyklů a kulturou tažené regenerace. Projekt kulturního klastru byl „vlajkovým“ projektem neúspěšné kandidatury města na titul Evropské hlavní město kultury 2015 a vzhledem ke svému rozsahu a zaměření nepochybně představoval jednu z největších výzev pro město v jeho novodobých dějinách. Z povahy projektu vyplývá společenská relevance pro předložený text, a to i přesto, že projekt nebyl úspěšný, skýtá řadu implikací pro porozumění budoucího rozvoje nejen města Ostravy, ale i dalších měst s podobnou historií v post-socialistickém kontextu.
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Kovárník, Jaromír. "Mladoneolitičtí zemědělci a kruhové monumenty. Trojitý rondel kultury s vypíchanou keramikou v Plotištích n/L II." Anthropologia integra 7, no. 1 (June 30, 2016): 31–44. http://dx.doi.org/10.5817/ai2016-1-31.

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Článek pojednává o kruhových ohrazeních tvořených příkopy a valy, tzv. rondelech. Šlo o monumentální areály pravděpodobně sloužící k shromažďování zemědělců mladšího neolitu z kultovních, společenských, organizačních aj. důvodů. Následuje shrnutí výsledků archeologického výzkumu trojitého rondelu kultury s vypíchanou keramikou (dále SBK), subfáze SBK IVa u Plotišť n/L z první sezóny. Uskutečňuje jej katedra archeologie Filozofické fakulty Univerzity Hradec Králové. Zkoumali jsme plochu severozápadního vstupu v prostoru ukončení jihozápadního a severozápadního segmentu vnitřního příkopu. Zjistili jsme, že vnitřní příkop dosahoval šířku 510–522 cm a hloubku 240 cm. Příkopy vymezující vstup jsou široké 335 cm a hluboké 178 cm. Příkopy mají širší hrotitý tvar a zasahují do stěrkopísčitého podloží. Menší příkopy probíhající po obou stranách severozápadního vstupu se nespojily s vnitřním příkopem. Velký význam má vrstva č. 2 výplně příkopů tvořená zeminou s příměsí menších křemenných valounů (původem z terasy Labe) a nacházející se pod hořejší vrstvou černozemě č. 1. Nabízí se jedna z možností, že by k jejímu vzniku mohlo dojít postupnou erozí tělesa valu na vnější straně příkopů. Soubor nálezů tvoří zlomky hrnců a mís zdobených středně velkým a velkým dvojvpichem, pruhy jemného a středně velkého trojvpichu a výjimečně „taženým“ širokým vpichem zanechávajícím na povrchu keramiky mírně zahloubený pás. Tvary nádob i výzdoba jsou příznačné pro fázi SBK IVa. Některé by mohly být i mladší (subfáze SBK IVa2–IVb).
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Dissertations / Theses on the topic "Tažení"

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Hudousek, Jiří. "Tažení pocínovaného ocelového plechu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382275.

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HUDOUSEK Jiří: Drawing of a tin-coated metal sheet. The project elaborated in frame of master studies is submitting design of the given part production - business card case from tin-coated metal sheet by deep drawing technology. From a variations of the design of the product has been chosen option, when the case is assembled from two identical drawn parts which form the bottom and the lid of the component, the connection of these two parts is arranged by a spacer in form of a plastic insert on which the metal parts are attached. Based on the literary survey and calculations drawing in die with blankholder was designed for metal parts production, according to the force needed and tool size a hydraulic press ZH 100 was selected. Part of the work is the process parameters determination, technical and economic evaluation and drawing documentation.
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Kabilka, David. "Optimalizace procesu tažení drátu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402526.

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The aim of work is to present and analyse assessment of the current state and at the same time the proposal of adjustments to the technology or parameters, the introduction of the wire into the drawing machine. The problem arises when the introduction of wire with a diameter of 14 mm from the material CK 67 to the drawbenches Schumag. If we introduce the wire into the drawing machines with two primary beams leads to a buckling of the wire and pack between the drawing die and the boot device. For the introduction of wire are used hydraulic boot collets, which are controlled semi-automatically. In connection with professional studies and on the basis of the calculation, simulation and practical experiment have been identified the conditions allowing the current method of deployment of wire to use.
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Hřebíček, Pavel. "Maziva vhodná pro tažení oceli." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400946.

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The aim of this work is experimental evaluation of suitability of lubricants for drawing of stainless steel 1.4301 at elevated temperature, which corresponds to temperature in real process. The lubricant testing method is based on friction modeling between the pull edge and the retainer, which corresponds to the real process. Therefore, the design of the test fixture also conformed to this model. The result of the work is a comparison of the suitability of every single lubricants with the reference lubricant used in ACO Industries. The best results were obtained with AT Kalorex 650 S lubricant, which contains environmentally harmful additives.
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Doležal, Jan. "Maziva vhodná pro tažení nerezavějící oceli." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230460.

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This thesis solves problems of design and construction of testing equipment for testing lubricants for deep drawing and experimental evaluation of suitability of different types of lubricants for specified tests conditions. Most of all it is about finding environmentally friendly lubricant which would provide similar results as lubricants containing chlorine compounds when drawing a stainless austenitic Cr-Ni steel 1.4301. As for lubricants provided for testing by leading home and abroad manufacturers, the ATLAS 3374-140 from Quaker Chemical and the WISURA ZW 3356 from FUCHS, were evaluated as the most suitable environmentally friendly lubricants.
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Mück, Jonáš. "Maziva vhodná pro tažení nerezavějící oceli." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231053.

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The intention of this thesis is the experimental evaluation of different lubricants and their suitability for deep drawing of stainless steel 1.4404. The testing method is based on the friction model at the point of drawing edge and retainers. This model corresponds with a structure of testing fixture. The suitability of every single lubricant for this application has been determined by comparison of the output, which is dependance of the strength on the track with the reference results. The testing has been performed on many different samples provided by various manufacturers. The best result was measured with the oil Kalorex AT 650 S, manufactured by AT Oil, which belongs to the group of environmentally harmful lubricants. Based on the results of this experiment we can conclude that chlorine content significantly increases the lubrication capability especially under high pressure. The modification of preparation geometry which presumes the elimination of certain undesirable disturbances accompnaying the experiemnt has been also proposed.
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Něnička, Filip. "Tažení plechu a jeho verifikace počítačovou simulací." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230415.

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This thesis engages on the differences between the numerical simulations of sheet metal drawing process performed using AutoForm software from AutoForm Engineering, Swiss company and actual results measured using non-contact measurement system Argus from German GOM company. This work used DC06 material (whose mechanical properties were determined at Technical University of Liberec) for comparison. The calculated results of simulations were compared to measured results of actual plate thickness.
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Jurča, Jan. "Výroba součásti z plechu s využitím technologie hlubokého tažení." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228386.

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JURČA Jan: The manufacturing of sheet metal part by deep draw technology. Thesis of Master´s Studies, the 5th Year of Study, the School-year 2008/2009, The Institute of Manufacturing Technology, Department of Machining, FSI VUT Brno.The thesis deals with the project of manufacturing the part of the car body – the fifth door by deep draw technology. The material is zinc-coated sheet metal HX220YD EN 10292. Mechanical properties and suitability of the material are evaluated by mechanical tests. The structure of the material is evaluated by metalography scratch pattern. The analysis of draw process and manufacturability of the part is made by calculations and AutoForm software. The production line, necessary machinery and construction solution of draw tool for the manufacturing the part are determined. Last section deals with economical evaluation of the production.
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Císařová, Michaela. "Vliv morfologie povlaku Zn na mezní podmínky při tažení tenkých plechů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-234011.

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The doctor thesis deals about the influence of zinc coating morphology on limit conditions formability of a thin sheet metal. In the introduction of the thesis is discusesed about current problems searching the most suitable morphology of the steel sheet metals, a method of appliing to the zinc sheet metal. The hot dip zinc coating is discussed in next chapter, the topical knowledges about the influence of the individual factors have some effect to coat calibre and quality. In literary researchs are discussed the concrete technological tests of zinc coating to harder sheet metal forming, the theory of the bend and the basic theory of pressing sheet metal. In following chapter is devoted interpretation selected technological tests, according to that is described behaviour, characteristics, influence of zinc coating formability of basic material and his morphology.
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Rérych, Pavel. "Optimalizace výroby součásti na hlubokotažném lisu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402503.

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The diploma thesis present technology production of draining outlet. This is a rectangular deep drawn part, where basic shape is formed in two towing operations now. The used material is an austenitic stainless steel 17 240 with thickness 1 mm. According to the entry documentation the production technology was not change – current technology (it means drawing without thinning the wall) is most suitable. Based on technological and control calculations two-operations production was determined, which will take place in the united conventional instrument. The hydraulic press with marking Dieffenbacher PO250, which has a magnetic tool clamping, per stroke will perform here both operations. The payback was calculated for yearlong production 50 000 pieces after 0,8 years. The proposed production will make the current production more efficient including economic benefits.
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Toman, Pavel. "Výroba součásti z plechu pomocí technologie HMT." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228793.

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This thesis submits a proposal production technology of single parts from sheet steel No. 11 305, thickness of 2 mm, made from a semi-finished product with a diameter of 246 mm, production run of 50 000 pieces per year. To manufacture the component a technology of hydromechanical drawing is proposed. On the basis of a literary study and calculations a drawing tool was designed, fixed in hydraulic press LPS 4000. To prepare a semi-finished product, flange trimming, and hole punching, a sheet metal cutting is used.
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Books on the topic "Tažení"

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Potužník, Jiří F. Mirek Topolánek: 100 dní s předsedou Evropské rady, aneb Jak úspěšné tažení Čechů na mezinárodním poli zastavili Češi. Praha]: WWA photo, 2009.

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