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Effective milling tools
Paseka, Petr ; Osička, Karel (referee) ; Humár, Anton (advisor)
The topic of this bachelor thesis are effective milling tools. First chapter is focused on description of the basic milling characteristics. Distribution and description of milling tools from the point of view of their construction, material, use and labeling is in the second chapter. Last chapter contains selection of three types of milling tools and cutting materials from two important producers and their comparison. The types of milling tools are face milling tools, radial slot milling tools and shoulder milling tools. The home producer is Pramet Tools s.r.o and the world producer is Sandvik Coromant.
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Stage IV Emission Standards for Tractor Engines
Vít, Jakub ; Beran, Martin (referee) ; Dundálek, Radim (advisor)
The aim of this bachelor thesis is to explain the mechanism of injection of carbamide and its installation on a vehicle. The first part of this work deals with the reduction of pollutants in the exhaust gases and with the emissions standards which limit the level of pollutants in the exhaust gases. The second part consists of an overview of tractor brands available at Czech market and their classification based on the type of system they use on their new models to reduce the pollutants in the exhaust gases.
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Trend development of electrodischarge sinking machines
Čumpl, David ; Prokop, Jaroslav (referee) ; Osička, Karel (advisor)
In this work, a principle of Electro Discharge Sinking Technology is described as well as comparison of individual machine producers. Further, description of an electrode production technology is included together with a recommendation of a machine to a middle mechanical engineering company. Last part is dedicate technical and economical analysis on concrete types of machines and adumbration another trends of development.
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Turning machines
Grulichová, Jana ; Prokop, Jaroslav (referee) ; Kalivoda, Milan (advisor)
This work deals with lathes, machines used for the turning technology. The aim is to link the general conditions of the turning with the specific products available on the market and specific examples of the use of machines in practice. The first part describes the historical development. The following is description of this technology, including related regularities and the calculation formulas. The third part consists of an overview of lathes including the specific machines, their suitability for the production of different workpieces and their parameters. In the next chapter are examples of the model using of the different lathes direct in the production company, the advantages and disadvantages of their use. The last part is devoted to temporary trends and directions in the development and improvement of these machines and streamlining of the production made with using of them.
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Cermets and theirs effective use
Hanousek, Petr ; Prokop, Jaroslav (referee) ; Humár, Anton (advisor)
This thesis deals with cermets as a tool material. In the Preamble, the types, production, labeling and properties of cermets are analyzed. The main part of the thesis introduces cermets in the range of manufacturing by the world leading producers of tools and tool materials. The Conclusion of the thesis summarizes the evaluation of tool cutting abilities and recommended working conditions guaranteeing the efficient use of cermets.
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Cutting ceramics
Kasalová, Aneta ; Kalivoda, Milan (referee) ; Humár, Anton (advisor)
This bachelor´s thesis deals with cutting ceramics. The first part generally describes the materias intended for production of cutting tools and their charasteristics. Second part of this thesis is focused on the cutting ceramics, it´s history, distribution, production, structure and properties. In the last part the assortment of the companies CeramTec, Kennametal and Sandvik Coromant is described.
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Testing of Surge Arresters
Jeřábek, Lukáš ; Paar, Martin (referee) ; Krbal, Michal (advisor)
This bachelor's thesis is devoted to metal oxide surge arresters. After historical and theoretical introduction, which explains their principles and describes their characteristical properties, analysis of the standard IEC 60099-4 and testing according to the standard with focus on the type tests follows. This chapter is also amended with review of the standard's imperfections and with its most probable future development. The work concludes with a market survey, a review of the largest manufacturers and a comparison of their products.
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Description of grinding machines
Macků, Martin ; Opl, Miroslav (referee) ; Blecha, Petr (advisor)
This bachelor´s thesis deals with the description of grinding machines. The goal of this paper is to describe the evolution of the grinding machines as well as the contemporary grinding machines. Further this paper analyses the construction of the machines and points at the possibilities of thein future improvement. This paper also lists the companies that produce the grinding machines and attempts to identify the main differences among thein products. The paper is finalized with the summary.
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Superhard cutting materials
Janištinová, Edita ; Slaný, Martin (referee) ; Humár, Anton (advisor)
The bachelor´s thesis is focused on superhard cutting materials (polycrystalline diamond and polycrystalline cubic boron nitride) in term of their marking, production, physical and mechanical properties (hardness, density, electrical and thermal conductivity), chemical properties and application areas. It describes the range of superhard materials for selected producers of tools and tool materials, including recommended cutting conditions.
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