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Statistical data evaluation
Fadrný, Tomáš ; Koška, Petr (referee) ; Maroš, Bohumil (advisor)
This diploma thesis evaluates and processes data from final device checks. All the devices are similar types of thermal overcurrent relays by the ABB company. For appropriate statistical data processing, the Minitab 14 statistical software was used and various statistical methods were applied. Results are always listed for each device type and each method used. The diploma thesis is divided into two parts. The first one analyzes the methods used and the second part states the method results. There is also an overall evaluation of the processed data.
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Implementing SPC in the Production Process
Dostál, Petr ; Macháček, Martin (referee) ; Bartes, František (advisor)
The thesis deals with implementing of statistical process control (SPC) on CNC cut center into the mechanic production. One part of the project is engaged in theoretical information gathering, process monitoring and data collection. Second part deals with stabilization, regulation and improvement of the process using right statistical instruments. As a result is implementing measuring station from where will be the process data transferred to a server and evaluated. On the basis of that is possible to implement a correction in the right time if the process isn´t stabilized. The main objectives of the thesiss are cost reduction, scrap reduction and modernization of the process.
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Functional failures dependance to measuring system of assembly lines DRV 2.
Barták, Pavel ; Pernikář, Jiří (referee) ; Zemčík, Oskar (advisor)
The Bachelor thesis is focused on assembly of pressure regulation valve (DRV) which is part of injection system Common Rail produced in company Bosch Diesel s.r.o. The purpose of this thesis is to consider the possibilities of assembly process effects, components for failures when functionally checked and suggestion of solution to minimize them. After practical part there was focused on assembly process to get necessary data. On the base of these data direction of analysis was followed, as the measurement of claimed components in Bosch Diesel laboratories. After the evaluation the countermeasures were proposed which some of them were implemented in production and subsequently analysed.
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Alternative measurement of shape and position deviations for needs of incomming inspection.
Jaša, Aleš ; Pernikář, Jiří (referee) ; Zemčík, Oskar (advisor)
This thesis deals with a possibility how to make a check of purchased components faster at the incoming inspection of the Bosch Diesel s.r.o. (Co., Ltd) and perhaps even how to save investment in new machines during expanding of production without quality compromises during the check itself, so that everything would proceed according to ISO/TS 16949 standard, valid for an automotive industry. The whole practical part has been elaborated on the basis of measurements done at the incoming inspection measuring laboratories and in cooperation with QMM1.2 department. The results have been evaluated by statistical software qs-STAT ME 6 by Q-DAS company.
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Method of Six Sigma as a instrument for improving processes and solution of selected process
Wolfram, David ; Voráček, Jan (advisor) ; Kincl, Tomáš (referee)
The Bachelor Degree Thesis 'Method of Six Sigma as the instrument for improving processes and solution of selected process' focuses on analyzing the process of a chosen project by means of selected project management methods as well as on evaluating its effectiveness. The first part of this thesis presents a description of selected approaches towards project management, while the second section analyses relevant problem relating to management of a chosen project and brings in possible solutions proposed.
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Způsobilost procesu tepelného zpracování
Pelechová, Eva ; Hůlová, Marie (advisor) ; Kunc, Ladislav (referee)
Diplomová práce pojednává o způsobilosti procesu tepelného zpracování. Hlavním cílem je zhodnotit způsobilost procesu, který se uskutečňuje ve strojírenském podniku. Byly sledovány hodnoty tvrdosti, které se zavedly do regulačních diagramů a z nich byly vypočteny indexy způsobilosti. Po zhodnocení způsobilosti procesu tepelného zpracování byla navržena napravná opatření.
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