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SMS Application for JavaME Platform
Růčka, Lukáš ; Burget, Radim (referee) ; Kovář, Petr (advisor)
The aim of this diploma thesis is to study the potential of Java ME platform for receiving and sending of SMS and to utilize obtained information subsequently in implementation of an application for this platform. The first part of the diploma thesis aims at explaining general terms of the Java language and its basic features. The next part deals with specific properties of the Java ME platform and properties of devices that support this platform. A design of the Java ME application based on theoretical knowledge is created then. This application has to be able to receive, process, store and send SMS and communicate with the server application based on the Java SE platform. The created Java ME application serves as an automated SMS voting server, which can be used in mobile devices that support the Java ME platform and can be remote-controlled via Internet from the Java SE platform application. The final chapter presents the results and conclusions of testing of the created application on real mobile devices.
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Qualification of welding procedure - WPQR
Houra, Milan ; Kubíček, Jaroslav (referee) ; Kovář, Petr (advisor)
The project developed within the bachelor's degree field of B-STG Engineering technology is focused on developing protocols for a preliminary welding procedure specification for a given drawing pWPS weldments. Subsequent to preliminary approval of these protocols are implemented protocol for qualification of welding procedures WPQR. This WPQR protocol is drawn up for a similar award has developed pWPS protocols. The most important parts of the protocol WPQR are destructive and nondestructive tests, which are discussed from both theoretical and practical in the field. At the end of the WPS is the resulting log with a direct link to WPQR protocol is implemented and appreciation of the control tests.
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Repair of machinery
Teplý, Miroslav ; Kovář, Petr (referee) ; Kubíček, Jaroslav (advisor)
Theme of this Bachelor´s thesis deal with problems of repair of machinery - repair the shaft. The thesis is divided into two parts. The first part deals with the possibility of using thermal spraying for the renovation of the shaft surface at the point of contact with the shaft seal ring. The second part deals with the use of epoxy putty for the renovation of the shaft surface at the imposition of a bearing.
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Analysis of welding by LASERHYBRID process
Teplý, Jan ; Hála, Michal (referee) ; Kovář, Petr (advisor)
The project is elaborated for the basic analysis of hybrid welding that combines laser welding with other welding methods, especially with the MIG and MAG technologies. Besides the Laserhybrid process the methods, of which this Laserhybrid welding is composed, are also presented here. These methods are compared considering the aspects: firstly their advantages or disadvantages, followed by the welding performance, the economic aspect or the application in mechanical engineering. The welding using the relatively new and so far not much widely used Laserhybrid method is very efficient especially for the weld jointing of various bodywork parts. Respectively, this method is efficient for its smaller molten pool, better gap bridging and also for its economic aspect to reduce production times.
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Modern treatments by powder paints
Turek, Tomáš ; Kovář, Petr (referee) ; Kubíček, Jaroslav (advisor)
The thesis deals with the process of powder coating paint, a description of the individual steps and types of used equipment. Thesis also includes the distribution of powder paints and overview of basic information, color chart systems and the description of color tone perception. At the end of the thesis are summary of quality standards of deposited surface and technologic process of coating using in the powder coating in paintshop.
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Welding of aluminium sizable weldments.
Tkaný, Jan ; Kovář, Petr (referee) ; Daněk, Ladislav (advisor)
This thesis created within the general Bachelor's study gives insight into the basic division of aluminum alloy, a summary of technologies and principles of welding aluminum and its alloys. It is focused on the description of cutting Al alloy and their suitability for welding, the characteristics of different methods and description of problems in the welding of large-scale aluminum weldments. For each of the methods are given the possibility of application, a description and diagram of operation and specifics on the protective gas or electrodes. Problems in the welding of large parts are characterized by external and internal deformations, complex stress fields, where appropriate, the temperature fields. To determine the size of the deflection angle is given an example of the chart for the practical use. In conclusion it is stated that the method is appropriate to apply in case of large weldments.
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New aspects of MIG/MAG welding
Habrovec, Radek ; Hála, Michal (referee) ; Kovář, Petr (advisor)
HABROVEC Radek: New aspects of MIG/MAG welding. The thesis of a bachelor's study, 3rd year of the school year 2009/2010, branch of study B2381-00 engineering, program of study B2341-3 engineering. FSI VUT in Brno, Institute of Manufacturing Technology, Department of Welding Technology and Surface Treatment, May 2010. The project developed within the three-year bachelor's study deals with new aspects of welding method MIG and MAG. In the literature search section is described a welding method MIG/MAG. The project describes development of welding method from ist discovery to the present especially regarding additional materials, shielding gasses, material thickness and other different aspects.
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Progress of welding in shipbuilding
Urban, Václav ; Kubíček, Jaroslav (referee) ; Kovář, Petr (advisor)
This work deals with the methods of welding in shipbuilding, summarises the basic techniques used for welding of the SAW, MAG, MIG, TIG, laser, Laser-Hybrid. It describes the properties of welded material. Especially the materials HY80 and HY100. It follows from the filler materials. In particular materials Spoolarc 95 and 120. Particular emphasis is placed on the method of Laser-Hybrid, its properties and use in shipbuilding. Finally, describes the method of welding aluminium using FSW, preparation of welded surfaces and producting of sandwich panels.
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Analysis of adhesives in general engineering
Trhoň, Vojtěch ; Kovář, Petr (referee) ; Kubíček, Jaroslav (advisor)
This bachelor thesis is concerned with analysis of adhesives in general engineering and it is focusing on the partition of adhesives according to curring and usability. Positive and negative mechanical stress of glued joints are characterised here. The technologic process of gluding side panels of tram is elaborated in the end of this bachelor thesis.
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