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Cooling of Two-channel audio power-amplifier using FVM
Němec, Radek ; Kazelle, Jiří (referee) ; Vyroubal, Petr (advisor)
This bachelor´s thesis is dealing with the design and construction of two-channel audio Leach type power-amplifier, including the necessary additional components and subsequent design of the amplifier cooling using Flow Simulation tool included in the SolidWorks design system. The opening chapters is about theoretical analysis of audio amplifiers, heat transfer and description of SolidWorks design system. The main part of this thesis contains the design and construction of amplifier and design of each variants of amplifier cooling, including the best variation designed. The last part of the thesis is about assembling the amplifier and evaluation of economic aspects of its production.
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Production Concept of Smart Stand Using Modern Methods and Technologies
Buchta, Juraj ; Kouřil, Karel (referee) ; Sedlák, Josef (advisor)
The aim of bachelor´s thesis is design, construction and production of smart stand for laptop Macbook Pro with using advanced additive Rapid Prototyping technology. The design is created with the parametric CAD program SolidWorks. Model of stand is realized on a 3D printer Fortus, company operating with additive method Fused Deposition Modeling. The work is completed with economic evaluation of the total costs of production and prices to compare of the stands on the market.
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Production of Preparation Prototype Using Additive Method of Fused Deposition Modelling
Sedláček, Milan ; Kouřil, Karel (referee) ; Sedlák, Josef (advisor)
This thesis focuses on the production of a product using the increasingly popular additive technologies Rapid Prototyping. The theoretical section explained the very rapid prototyping technology and its application in various sectors. There were also mentioned different materials to use for 3D printing and actual printing method. The practical part was focused on the prototype modeling in SolidWorks CAD software and the subsequent production of elements of the 3D printer uPrint, using additive method Fused Deposition Modeling. In the conclusion, there is the evaluation of prototype production and also cost comparison using alternative materials.
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Withdrawable truck for MV switchgear SR12 with contactor VSC7
Sojka, Tomáš ; Honzák, Aleš (referee) ; Malášek, Jiří (advisor)
The bachelor thesis deals with the development of retrofit – withdrawable truck for medium voltage switchgear. It includes a brief overview of medium voltage switchgear, description of the process retrofitting and complete design of withdrawable truck with the VSC7 contactor for ABB MV switchgear SR12, including technical and economic optimization of the solution. The output of thesis is technical documentation of withdrawable truck in Solidworks.
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Design of an extensible platform for mobile robot
Šumšal, Zdeněk ; Krejčí, Petr (referee) ; Krejsa, Jiří (advisor)
This thesis is about the design of the telescopic platform. which should be fasten on robot called Breach. Purpose of this platform is to carry another equipment like sensors, cameras or manipulator. The platform has to provide chiefly the high demands on load capacity. Another part of the thesis is design of mechanism placed on this telescopic platform, or just on the robot Breach. This mechanism has to load up small subject on the top part of the platform and then unload it on chosen place. Only thing defined for this subjekt is maximal weight of 2 kilograms, but other parameters aren´t specified. Construction is therefore focused on maximal versatility of this mechanism.
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Production Concept of Vacuum Mold for Plastic Forming
Tišnovský, Jakub ; Kalivoda, Milan (referee) ; Sedlák, Josef (advisor)
Vacuum plastic forming is method of termoplastic material treatment. This method uses physical and mechanical changes caused in materiál during his heating. Production of final product requires mould. The main advantage of this technology is fact, that manufacturing of mould is not so hard as manufacturing of mould for injection moulding, so mould is signficantly cheaper. Main purpose of this thesis is to propose production concept of this mould. Proposal was solved by SolidWorks and PowerMill software and manufacturing was realized on 3-axis CNC milling machine. Main result of this thesis is a summary of instructions which can be used in proposes of different moulds for vacuum plastic forming.
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Derating on the low voltage devices with a thermal trip unit
Dobrovolný, Jakub ; Vetiška, Vojtěch (referee) ; Dostál, Lukáš (advisor)
Electrical devices are secured as not to injure living creatures via electric current and damage or destroy machinery due to the effects of electric current. Circuit breaker is a device responsible for protection of an electrical circuit against damage. The main aim of thesis is the correct function of the thermal trip unit when it exposes to the thermal warming. The thermal trip unit is depended on heating of a bimetal before overcurrent flow. The goal of thesis is temperature and voltage drop profile from measured values. Verification of the measurement is done in SolidWorks Flow Simulation software. According to simulations are determined currents for correct function of the thermal trip unit in different temperatures of an environment. The most important result of the thesis is correct setting of the operating current in the circuit breaker.
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Ventilation device
Kubovčík, Peter ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
Bachelor thesis deals with constructional development of the turbine ventilator 3D models, including the regulation development. Three options of the ventilation devices were described, designed and modelled using a Solidworks in order to increase amount of exhaust air, while maintaining zero consumption of the electricity. According to a Supervisor´s documents were calculated, drawn and modelled two devices, used for regulation of exhaust air by half-valve damper and quarter-valve damper. The output of thesis are drawings of both regulation dampers.
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Link robots
Szabari, Mikuláš ; Kotek, Luboš (referee) ; Simeonov, Simeon (advisor)
The bachelor thesis deals with the configuration of the link robots. It is divided into three parts. The first part interprets the robots, their division and ranked link robots into this division. The second part addresses the issue of the single cell structure and configuration of the whole robot. It also addresses workspace,location of endpoint and create a model. The third section discusses control systems, actuators and sensors.
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