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Increasing resistance to self-excited oscillations in CNC machine tools for machining non-rotating workpieces
Prchalová, Michaela ; Pavlík, Jan (referee) ; Marek, Jiří (advisor)
The Master’s Thesis is focused on increasing resistance to self-excited oscillations in CNC machine tools for machining non-rotating workpieces. The main goal of the thesis is to perform a system analysis of the solved problematics and justification of the chosen way of solving the assigned task. Another goal of this thesis is to perform an analysis of the current state of science and technology in the specified problematics. Based on the analysis of the current state, a proposal for the methodology of prediction of self-excited oscillations for a specified type of machine was made, including recommendations for future users on how to proceed. The whole thesis is based on a real problem occurring during machining of a structurally difficult workpiece.
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Using tribodiagnostics in predictive maintenance in company practice
Trost, Daniel ; Nahodil, Petr (referee) ; Hammer, Miloš (advisor)
The thesis deals with the use of tribodiagnostics in predictive maintenance in corporate practice. It is generally dealt with maintenance, then tribodiagnostics in the company Škoda Auto a.s. Used offline and online diagnostic tools are described. Emphasis is placed on verifying the functionality of the newly purchased online filter unit. The experimental part is focused on detailed analysis of the above, including comparison of measurement results offline and online diagnostics. There is also an economic evaluation of savings obtained by operation the online filter unit. In conclusion, the tribodiagnostics recommendations are given for Škoda Auto a.s.
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Internal product and machine release at Bosch Jihlava
Vejtasová, Vendula ; Maradová, Karla (referee) ; Blecha, Petr (advisor)
This thesis deals with the internal release of products and machines at Bosch Diesel Jihlava. Due to the variety of products that are produced in the Jihlava plants, the thesis focuses only on the internal release of one product, namely the fuel return line. To place the issue in a broader context and to understand the external influences acting on the processes, a system analysis is performed using a process map and Ishikawa diagrams. The evaluation of both processes is carried out in the form of a SWOT analysis, which allows to find strengths, weaknesses, opportunities, and threats. As a result of the work, four improvements are proposed that can make both processes more efficient, especially in terms of time and systems. For a deeper understanding of the issue, a theoretical part is included in the thesis.
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Increasing resistance to self-excited oscillations in CNC machine tools for machining non-rotating workpieces
Prchalová, Michaela ; Pavlík, Jan (referee) ; Marek, Jiří (advisor)
The Master’s Thesis is focused on increasing resistance to self-excited oscillations in CNC machine tools for machining non-rotating workpieces. The main goal of the thesis is to perform a system analysis of the solved problematics and justification of the chosen way of solving the assigned task. Another goal of this thesis is to perform an analysis of the current state of science and technology in the specified problematics. Based on the analysis of the current state, a proposal for the methodology of prediction of self-excited oscillations for a specified type of machine was made, including recommendations for future users on how to proceed. The whole thesis is based on a real problem occurring during machining of a structurally difficult workpiece.
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|
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Internal product and machine release at Bosch Jihlava
Vejtasová, Vendula ; Maradová, Karla (referee) ; Blecha, Petr (advisor)
This thesis deals with the internal release of products and machines at Bosch Diesel Jihlava. Due to the variety of products that are produced in the Jihlava plants, the thesis focuses only on the internal release of one product, namely the fuel return line. To place the issue in a broader context and to understand the external influences acting on the processes, a system analysis is performed using a process map and Ishikawa diagrams. The evaluation of both processes is carried out in the form of a SWOT analysis, which allows to find strengths, weaknesses, opportunities, and threats. As a result of the work, four improvements are proposed that can make both processes more efficient, especially in terms of time and systems. For a deeper understanding of the issue, a theoretical part is included in the thesis.
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|
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Using tribodiagnostics in predictive maintenance in company practice
Trost, Daniel ; Nahodil, Petr (referee) ; Hammer, Miloš (advisor)
The thesis deals with the use of tribodiagnostics in predictive maintenance in corporate practice. It is generally dealt with maintenance, then tribodiagnostics in the company Škoda Auto a.s. Used offline and online diagnostic tools are described. Emphasis is placed on verifying the functionality of the newly purchased online filter unit. The experimental part is focused on detailed analysis of the above, including comparison of measurement results offline and online diagnostics. There is also an economic evaluation of savings obtained by operation the online filter unit. In conclusion, the tribodiagnostics recommendations are given for Škoda Auto a.s.
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