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Coated cemented carbides and their effective use
Pavlovský, Tomáš ; Dvořáček, Jan (referee) ; Humár, Anton (advisor)
This thesis deals with coated cemented carbides, which are used for the manufacture of cutting tools. The introductory section provides an overview of the most common tool materials. The main part focuses on the production of coated SK, coating methods, types and properties of coatings. The final section deals with coated cemented carbide product range in the world's leading producer of tools and tool materials, tools and recommended working conditions for their effective use.
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Uncoated cemented carbides
Benešovský, Radek ; Sedlák, Josef (referee) ; Humár, Anton (advisor)
This bachelor thesis deals with the uncoated cemented carbide used in the manufacture of cutting tools. There is an overview of the most frequently used tool materials in the first part. The second part describes history, sorting, labeling and physico-mechanical properties of uncoated cemented carbides. The last part is focused on products of Pramet Tools, Sandvik Coromant, Seco Tools, Ceratizit, Walter and Iscar and their comparison in terms of cutting speed.
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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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Production and offer of regional and organic products in South Bohemia region and in county town
MARTAN, Jan
Organic food is a food product that is obtained from organic products and a limited amount of authorized additives defined technological process according to special regulation and the control regimen. Regional foods are due to short transport distances much fresher than food that has circulated for a long time. Regional foods tend therefore usually taste better and more valuable nutritional properties. Equally important is the fact that the closer the food to the consumer, the less loaded environment during transportation. The aim of the thesis is to evaluate the structure offers regional food and organic food producers to seek their districts Prachatice, and Strakonice Czech Budejovice. When evaluating the questionnaires, it was found that two-thirds of respondents regularly buy organic or regional food. Most often it is bought at a store in a specialized department.Most of the respondents to pay extra for regional food for a month for her to spend in the range of 200 to 500 CZK.
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