Academic literature on the topic 'Obrábění plastu'

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Dissertations / Theses on the topic "Obrábění plastu"

1

Sýkora, Petr. "Konstrukce jednoúčelového stroje na opracování polyuretanových odlitků." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443160.

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The aim of this diploma thesis is to design a single-purpose machine for machining steering wheel lever from PUR. The problem with the current state was the need of manpower for machine a large number of levers. The automated machining process eliminates the problem. The result of the work is a detailed 3D model of a single-purpose machine created in the Onshape program, drawing documentation of several parts of the equipment, economic evaluation and risk analysis of the machine. The conclusion of the thesis contains an evaluation of the whole project.
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2

Tejkal, Roman. "Obrábění paprskem plazmy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228102.

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This work deals with general drifts in the sphere of plasma cutting and with technological possibilities of plasma ray with intention on individual parameters of plasma designations. Here is described temporary state and direction of development of consumer parts, burners and sources for plasma cutting. Detailed adumbration of direction of development is described in the peroration.
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3

Škeřík, Filip. "Hodnocení vlivu technologií obrábění na analýzu textury povrchu technických plastů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443214.

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The diploma thesis deals with the influence of machining technologies (turning, milling, grinding and polishing) on the surface texture of functional surfaces of selected materials from technical plastics. In the first part of the thesis there is a theoretical analysis of the possibilities of machining plastic materials. Furthermore, an analysis of the most commonly used parameters for evaluating the roughness of the machined surface and their effect on functionality is performed. The experimental part of the thesis describes samples preparation, analysis of measured data and subsequent evaluation with benefits for machinery industry.
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4

Mudra, Ondřej. "Naklápěcí řezací hlava při plazmovém obrábění." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230785.

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This master´s thesis deals with bevel plasma cutting and the possibility of its use in a smaller company. It describes priciple of this technology, analyzes typical area of application and solves the production proces of a specific component. The new procedure is then compared with the earlier production of this component and then a comparison of production times and economical aspects is made.
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5

Straka, Jiří. "Technologie výroby součásti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230015.

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This diploma thesis is developed within my Master’s degree studies, branch mechanical engineering (M21 K), and specialization in M STM. The aim of this thesis is to solve the technology of mechanical production (machining, tooling) for the machine component called ‚shape lid‘. I execute the analysis of this technology from the perspective of the conventional machining process, and alternatively, some of the non conventional machining process, too. Conventional machining process is so far used for manufacturing of this sort of machine’s element. It‘s implying laborious work difficulties, even it’s economically disadvantageous. I suggest a new technology of manufacturing. At first, a semi-finished component could be sized by conventional machining process, and then it could be finished by the CNC (computer numerical control) milling machine. By the non-conventional machining process assume the usage of an electro-erosive machining, plasma machining, or water jet machining.Conventional technology suppose the usage of CNC milling machines. Thereinafter, feasibility aspects of this brand new technology are considered in technical and economical perspective.
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Kalous, Ondřej. "Racionalizace technologie výroby forem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231505.

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The diploma thesis Rationalization technology of production tools is divided into two parts. The first part is focused on injection molding of plastic materials and analysis current status of production injection tools. The second part contains proposal of rationalization steps in the production process and evaluation of rationalization.
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7

Popelka, Zdeněk. "Analýza mechanismu tvoření třísky při obrábění titanových slitin." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229475.

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The diploma thesis focuses on analysis of mechanism of chip formation during machining of titan alloys. Application of titan alloys in metal-working and engineering industry is currently very significant topic. The mechanism of titan chip formation is dissimilar to steel and its foundation plays an important role in optimization of cutting process.
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8

Duda, Tomáš. "Návrh technologie výroby upínače pro lisování plastů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-399289.

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The diploma thesis convey the information about the creation of technological procedures leading to the optimal way of repairing damaged parts of the fixture and creating production procedures for the production of new parts of the assembly. The theoretical part is focused on the analysis of the issue, determination of material of damaged parts for future production and designed semi-finished product. Furthermore, the technology of production from the point of view of used technologies is discussed. This includes a description of the tool materials. The practical part of the thesis is focused on the design of technological procedures for repairing damaged parts, which must be repaired as soon as possible. For the future production of new parts, the second half of the practical part includes the manufacturing processes including their description. There are evaluated variants of repair and production of new parts at the end of the thesis.
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9

Dupák, Libor. "Mikroobrábění nekovových materiálů elektronovým svazkem." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-234155.

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The thesis deals with electron beam micromachining of nonmetallic materials like glass, ceramics and plastics. A brief description of the device on which the experiments were carried out is included; the author has participated on its development. Main topic is experimental study of influence of main electron beam parameters on results of machining. Examined parameters include accelerating voltage, beam current, focusing and speed of machining. Influence of beam deflection is analyzed. Method of sequential machining by repeated passes of the electron beam is presented. Main examined materials are quartz glass, alumina and selected plastics. The usefulness of the technology is shown by several practical applications.
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Rosa, Jakub. "Výroba tvárníku formy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318752.

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The meaning of the diploma thesis is to create a new mold plunger for injection mold using a suitable method according to the original mold plunger. The final mold part should meet the required surface parameters. The work is focused on the analysis of the original mold plunger and the experimental verification of suitable methods of production of the equivalent mold plunger.
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