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Classification of asynchronous motors
Čala, Václav ; Dušek, Jiří (referee) ; Singule, Vladislav (advisor)
This diploma thesis deals with a creation of a “Classification Document” of asynchronous motors with a short-circuit armature with axial heights of 355, 400, 450, 500, and 560 mm. Furthermore, it is concerned with a creation of an integral design documentation for the production and assembly of these motors at the company TES VSETÍN, s.r.o. By writing this diploma thesis I would like to achieve a simplification of communication with the customers during the processing of asynchronous motors orders and to speed up the processing of asynchronous motors orders not only in the design department but also the complete technologic preparation of the production which will surely be provided by this integrated documentation.
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Analysis and design of extinguisher fastening in passanger vehicles
Koutný, Martin ; Zdražil, Květoslav (referee) ; Hrubý, Jaroslav (advisor)
This thesis looks into current requirements of having fire extinguisher in a car in both the Czech Republic and other countries. At first, there is an evaluation of current ways of mounting fire extinguishers in cars, as well as evaluation of various requirements concering safety and ergonomy of mounting fire extinguisher in a car and also what are the hazards of having unattached fire extihnguisher in the passenger compartment. The objective of this thesis is to desing and test a fire extinguisher holder which would fullfil these requirements and which will not require changes in the body of the vehicle. The final part of this thesis deals with evaluating of possibilities of mounting this holder into several types of vehicles.
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Modification of PCB cleaning process after removing BGA component
Procházka, Adam ; Bžoněk, Tomáš (referee) ; Řezníček, Michal (advisor)
This bachelor thesis deals with the modification of DPS cleaning process after the removal of BGA components. The thesis is divided into five main parts including the introduction and conclusion. The introduction comprises an assignment and aim of the thesis. The first, theoretical, part then deals with different kinds of soldering, individual types of solders and the rework process itself. The second part examines the whole practical part in detail, from the proposal of the test printed circuit board to its mounting, soldering and subsequent testing. Also, it explains the practical tests for connectors. The third part then describes the board testing by thermal cycling. The last part consists of the summary of results, a comparison of individual soldering pastes and conclusion.
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The role of lubricants in sheet metal forming
Čvanda, Petr ; Novotný, Karel (referee) ; Peterková, Eva (advisor)
This project which was elaborated in the bachelor education present summary of lubricants in technology of forming. Annotation was based on belles-lettres of problematic of these lubricants in technology of forming and include individual sorts of lubricants and their applications in variety of forming operations
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Rotary tables for machine tools
Novotný, Michal ; Holub, Michal (referee) ; Dokoupil, Vladimír (advisor)
The aim of this bachelor thesis is to describe current state of science and technology which deals with the issue of rotary tables for machine tools. Another goal of this work is to analyse individual components, which are rotary tables made of, and their appropriate aplication according to requirments for right function during machinnig operations.
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Assemblying effect on cable lines quality
Dočkal, Martin ; Křepelka, Václav (referee) ; Filka, Miloslav (advisor)
In the first part is explained what actually a structured cabling is. Its beginning, from what and why it was created. Its history when at the beginning were applied unbalanced coaxial cables, those were later replaced by balanced cables. In cabling for TVs are still used coaxial cables. Balanced cables are according to type named UTP, STP, FTP, and so on. Whit growing popularity of this type of cabling and its wide spread application was necessary to set some rules, standards, specifications and demands, how to build up the cabling from project to realization. According to these rules is the system built so there are strict rules for length of subsystems and interfaces and the whole appearance of the structure cabling. Next important point is projecting of cabling that is related to the previous points and when it’s finished, we should strictly follow it. With the project is closely connected characteristic of this cabling as attenuations, cross-talks and other transmission parameters which are measured in the practical part. In the second part is spoken about all the parts of which the structured cabling consists - metallic and optical connecting elements and cables. There are also mentioned their mechanical, electrical and transmission features. In the third part is described influence of man on the quality of structured cabling and the most common causes of lower quality and the ways how to prevent this from happening and how to manipulate with cabling not to destroy it. The final (fourth) part considers the measurement. There are measured qualities of metallic wires as the attenuations, delay, cross-talks on the near- and far-end, impedance and resistance. To all the features are mentioned schemes of the measurement on the twisted pairs. The measurement is divided into two parts. In the first part are measured five types of balanced cables of different length, category and damage influencing quality of these cables. In the second part is measured one balanced cable if it’s corresponding with category 5 for that t was made and if it would be possible to use it also for higher category 6. Values are tabularly sorted in tables.
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Turbocharger Rotors Using Gas Bearings
Sembol, Tomáš ; Dlugoš, Jozef (referee) ; Novotný, Pavel (advisor)
This bachelor's thesis is a research project focused on turbocharger rotors using gas bearings. The work is devided into seven chapters. The first chapter is brief summary of history of development of turbochargers for combustion engines. Basic working principles of turbocharger are descriped in second chapter. Third chapter is about the construction of individual parts, as well as about the turbocharger as a whole. The fourth part is devoted to the design, technical solutions and applications of aerodynamic bearings. The fifth and sixth chapter explains some of computational and experimental method. The final chapter lists required structural modifications of existing turbochargers.
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Technological stage of realization mounting frame of factory building
Jekielek, Marek ; Ing.Lukáš Kopecký (referee) ; Diaz, Yvetta (advisor)
The objective of this thesis is the technological project of the construction phase of mounting prefabricated frame. Includes technological standard for mounting frame, the project construction site for the phase of mounting , the schedule of the phase of mounting frame, financial plan of the phase of mounting frame, controlling plan and test plan of the phase of mounting frame, the plan of risks at the phase of mounting frame, and mechanical assemblies plan.
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Analysis and design of extinguisher fastening in passanger vehicles
Koutný, Martin ; Zdražil, Květoslav (referee) ; Hrubý, Jaroslav (advisor)
This thesis looks into current requirements of having fire extinguisher in a car in both the Czech Republic and other countries. At first, there is an evaluation of current ways of mounting fire extinguishers in cars, as well as evaluation of various requirements concering safety and ergonomy of mounting fire extinguisher in a car and also what are the hazards of having unattached fire extihnguisher in the passenger compartment. The objective of this thesis is to desing and test a fire extinguisher holder which would fullfil these requirements and which will not require changes in the body of the vehicle. The final part of this thesis deals with evaluating of possibilities of mounting this holder into several types of vehicles.
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Rotary tables for machine tools
Novotný, Michal ; Holub, Michal (referee) ; Dokoupil, Vladimír (advisor)
The aim of this bachelor thesis is to describe current state of science and technology which deals with the issue of rotary tables for machine tools. Another goal of this work is to analyse individual components, which are rotary tables made of, and their appropriate aplication according to requirments for right function during machinnig operations.
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