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Modification of material production flow of the sewing machine needles
Změlík, Josef ; Macháč, Patrik (referee) ; Kašpárek, Jaroslav (advisor)
Main focus of this diploma thesis is the analysis and subsequent modification of production flow at a company, which is one of the world’s leading providers of industrial needles, precision parts and fine tools. Practical part of this thesis is devoted to the current flow of values and consequently describes its individual modifications. In this part the production areas are mapped, and the material handling system is described. This part also suggests a possible layout modification at the production site and simulation of proposed changes in Plant Simulation software from Siemens PLM Software. At the end of the work there are changes described that relate mainly to the philosophy 5S, kanban system or ergonomics of the workplace.
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The study of the influence of process parameters on the roughness of the cut for flame laser cutting of structural carbon steel
Macháč, Patrik ; Hála, Michal (referee) ; Mrňa, Libor (advisor)
This bachelor thesis deals with the cutting of material with laser in an oxidizing environment. It is divided into two parts, theoretical and practical. The theoretical part describes general methods for cutting materials, their advantages and disadvantages, further current industrial lasers are described, as well as the influence of parameters on cutting quality. In the experimental part has been processed the influence of process parameters on the quality of the cut and comparison with ISO 9013. Material used in the practical part is the structural carbon steel called S235JRG2, which was cut in the oxidizing environment. Based on the evaluation of surface, the price of lasser cutting of one meter was selected and then as th best option of settings process parameters for achieving good surface quality was selected. At the conclusions of the thesis there are compared changes in proces parameters and their evaluation
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Modification of material production flow of the sewing machine needles
Změlík, Josef ; Macháč, Patrik (referee) ; Kašpárek, Jaroslav (advisor)
Main focus of this diploma thesis is the analysis and subsequent modification of production flow at a company, which is one of the world’s leading providers of industrial needles, precision parts and fine tools. Practical part of this thesis is devoted to the current flow of values and consequently describes its individual modifications. In this part the production areas are mapped, and the material handling system is described. This part also suggests a possible layout modification at the production site and simulation of proposed changes in Plant Simulation software from Siemens PLM Software. At the end of the work there are changes described that relate mainly to the philosophy 5S, kanban system or ergonomics of the workplace.
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The study of the influence of process parameters on the roughness of the cut for flame laser cutting of structural carbon steel
Macháč, Patrik ; Hála, Michal (referee) ; Mrňa, Libor (advisor)
This bachelor thesis deals with the cutting of material with laser in an oxidizing environment. It is divided into two parts, theoretical and practical. The theoretical part describes general methods for cutting materials, their advantages and disadvantages, further current industrial lasers are described, as well as the influence of parameters on cutting quality. In the experimental part has been processed the influence of process parameters on the quality of the cut and comparison with ISO 9013. Material used in the practical part is the structural carbon steel called S235JRG2, which was cut in the oxidizing environment. Based on the evaluation of surface, the price of lasser cutting of one meter was selected and then as th best option of settings process parameters for achieving good surface quality was selected. At the conclusions of the thesis there are compared changes in proces parameters and their evaluation
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