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Wood chipper - efficiency
Šulák, Petr ; Škopán, Miroslav (referee) ; Malášek, Jiří (advisor)
The objective of this bachelor thesis is to design the wood chipper. In the theoretical part I am dealing with the mechanical properties of the processed material. Furthermore, I am mentioning individual types of chippers and crushers. In the practical part, the basic parameters of the machine are deduced from the research. These values are entering into the calculations needed to construct the components that the chipper is assembled with. The thesis includes production drawings and a 3D model made in Autodesk Inventor 2019.
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Production of crusher on the plastic waste
Květoun, Jan ; Kandus, Bohumil (referee) ; Žák, Ladislav (advisor)
This thesis is focused on designing and manufacturing a shredder for plastic waste 2H for small companies, households and blocks of flats. Thesis contains brief description of plastics, their properties and usage in praxis. It deals with excessive production of plastic, noncircular economy of waste and unsatisfactory processing of plastic waste. There are examples of collecting, sorting and recycling technologies and their application in praxis. It consists of current overview of shredders available on Czech and Slovak market and their comparison. Practical part of this thesis focuses on design itself, its components, parameters and economic issues of manufacturing. Annex contains 3D model of shredder assembly, bought components overview, assembly drawings and photo documentation of created shredder.
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Design of mechanical, electrical construction and software equipment of autonomous cell "Ice crusher" for Industry 4.0 testbed.
Horák, Lukáš ; Benešl, Tomáš (referee) ; Pásek, Jan (advisor)
The goal of this bachelor thesis is design and construction of an autonomous cell on a production line with the purpose of being an „ice crusher“. The purpose of this cell is to be part of a Testbed. The cell will be controlled using a HMI touch panel and PLC 1200. Information about how much ice the cell should pour into a glass is stored in an NFC chip on the bottom of the glass. The first part of the thesis comprises of brief introduction to Industry 4.0 alongside with description of the default and current state of Industry 4.0 testbed. Another part describes mechanical and electrical design of the cell. Last part of the cell describes software of the cell alongside with description of testing and installing the cell to the testbed.
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Lost Books: Original Czech Fiction Books at Various Stage of the Production or Distribution Censored on Ideological Grounds during the 1960s and 1970s
Spáčilová, Martina ; Večeřová, Petra (advisor) ; Šípek, Richard (referee)
The topic of this thesis borders librarianship, archival science and literary history - it is a synthesis of several interests and views of the subject. Censorship was a powerful regime tool in the ČSR or the ČSSR and many writers were prevented of publishing any of their work. The thesis deals not only with books, which have been labeled in dictionaries as destroyed despite of their existence. It describes how the turning point between the 1960s and 1970s was manifested in libraries, book shops and secondhand bookstores; what the publishing practice of that time was like, or how the contemporaries that worked in the industry comment on the mentioned time period. Furthermore, the thesis explains what happened to the books that had been banned overnight, what the Editorial Board's practice was like, and finally, what working with banned books involved. A part of the thesis consists of outlining the political background including presentation of the list of books that were not allowed to be published, had to be withdrawn, or the whole edition "dissapeared". How many of such books can readers today actually hold in their hands? The described books (and thousands more) had been locked in libraries' bookcases; special divisions managing the entire organisation had been created; and departments with restricted...
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Mobile Machineries Used for Grinding of Aggregates and Recycled Materials from Building Waste
Hurník, Štěpán ; Malášek, Jiří (referee) ; Škopán, Miroslav (advisor)
This bachelor´s thesis is the introduction to the problem of grinding natural materials and recycling building waste by mobile crushing machinery. The first part of work includes a detailed description of crushers themselves and differences between them. Next basic machine development is dealt with, as well as questions evoked by this topic. These questions are concerned with the mobility and problems of recycling. Further, there are current market offers for the preformance given. It deals with the parameters of the individual machines, on which their mutual comparison is given and displayed in graphs. The final part of the thesis consists of the general evaluation of machines for the above-mentioned purposes from different points of view: comparsion, market supply and a careful view into the possible future progress.
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The issue of processing of wood biomass chipper
KALVAS, Pavel
Problems of this thesis presents a comparison of selected chippers available in the Republic, describing the structural design of wood chippers, subsequent evaluation of selected machinery energy consumption and quality of the final product depending on the volume of processed wood biomass, then evaluate the economics of machine.
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