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Closing mechanism paper bag
Klíma, Pavel ; Anderle, Martin (referee) ; Dvořáček, Jiří (advisor)
This thesis deals with a design of new dot-wheels gearing. These wheels serve for closing of paper covers of tea bags. First of all the suggested spare options of the gearing shape are compared with the original. On the basis of the comparison results the gearing is solved as a substandard kind of involute gearing. The involute gearing is designed by the method of generalized parameters. For the gearing design the program GEARING – symetrical profile version 1.5. was used. Consequently this program was adapted for the case of the change of the instrument shape by the user. The kind of wheels material was designed. Further the way of wheels production for single-piece and batch production was also designed. At the end the economic evaluation of the wheels production with newly designed profile was done.
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Draft block for dough processing
Novotný, Jan ; Vlašic, František (referee) ; Dvořáček, Jiří (advisor)
The Bachelor´s thesis deals with a structural design of a draft block of the placement of dough processing rollers, which are used for stiffening wheat dough in bakery lines intended for the production of common bakery products. The introduction gives a description of a bread and common bakery making production line. Next the thesis briefly deals with other possible dough-stiffening methods and with sanitary, structural and material requirements for food processing machinery. The structural part is devoted to a roller propulsion draft and a solution of a shift of one of the rollers. It contains a calculation of a worm gear, a load shaft calculation and a complete design documentary materials.
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Design of fuel flow meter
Krejčí, Martin ; Svoboda, Pavel (referee) ; Dvořáček, Jiří (advisor)
This thesis deals with the structural design of flow meter for fuel at petrol stations. Begin of work deals with the theory of flow measurement. The brief overview of different types of flow meters is shown here. Coriolis flow meter is described in more detail. Another part includes the design options of the flow meter. One of them is selected for further processing.
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Solution of Electronic Shifting for COMEX Gearbox
Crhová, Hana ; Strecker, Zbyněk (referee) ; Dvořáček, Jiří (advisor)
The subject of this barchelor's thesis is design of shifting of vehicle for handicapped people, with the emphasis on simply shifting of transmission gears. In the first part there is a comparison of Elbee with other vehicles of this category. Next part is about gearboxes divided by type of shifting. And there is comparison of these gearboxes. In the last part there is the choice of the best gearbox and construction of additional mechanism which provides correct functionality of transmission system.
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System for Exhausting of Combustion Gases over the Sintering Grate
Kratochvílová, Silvie ; Nohál, Libor (referee) ; Dvořáček, Jiří (advisor)
This bachelor thesis deals with solution for waste gases exhaustion system above the sinter grate. The first part is dedicated to the general treatise about sinter grate, its operations and individual modifications. Another part looks into issues covering placing of the cover above the sinter grate. Proposal of optimal solution of the waste gases exhaustion system is done in last part, where are described reasons, which lead to its choice.
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Construction of single-purpose machine for grinding bricks LI CRETE
Hubálek, Tomáš ; Dzimko, Marián (referee) ; Dvořáček, Jiří (advisor)
The aim of this thesis is to design a one-purpose machine for grinding concrete light-permeable bricks LiCrete. The bricks LiCrete are a new interior design component. The final step of manufacturing is wet grinding with high quality and accuracy. At the same time it is grinded the concrete and light-permeable parts made by polymethylmethacrylate (PMMA). It is important to keep size and quality appearance of the bricks. The research part contains description of the problems related to the grinding of the bricks LiCrete. The next part is about conceptual variants of the solution. The construction contains the complex solution of one-purpose machine with technical drawings. The last part include a conceptual design of continuous high-productive machine for grinding LiCrete bricks.
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Value Estimating of Company
Marková, Tereza ; Dvořáček, Jiří (referee) ; Režňáková, Mária (advisor)
This master thesis deals with the valuation of the selected company using the yield methods called Discounted Cash Flow and Economic Value Added. This thesis firstly describes the theoretical issue of valuation of the business entity. The next part is the strategic and financial analysis, analysis of value drivers and the financial plan. In conclusion of the master thesis the value of the selected company is determined to date 30. 4. 2012.
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