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Safety of workpiece clamping device
Mahel, Petr ; Bradáč, František (referee) ; Blecha, Petr (advisor)
Master’s thesis is dealing with safety of workpiece clamping device. In the first part we are describing possibilities of clamping workpiece on different machines, legislative conditions in EU and CR in engineering devices, and general demands that refer to harmonized standards for different types of clamping devices. The main target of the thesis are the lists of requirements for hydraulic three-jaw chucks and proposal of two chosen safety applications. The first safety application refers to safety of clamping workpiece in hydraulic chuck. The second safety application is aimed at clamping of workpiece with the help of strap clamps. There is a description of the procedure of calculation of safe tightening moment during assembly of the nut.
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Design of small CNC milling machine
Kubálek, Petr ; Pavlík, Jan (referee) ; Blecha, Petr (advisor)
This bachelor thesis deals with the design and construction of a small CNC milling machine. The thesis contains basic divisions and an analysis of the availability of small CNC milling machines. It also contains calculations of the cutting parameters of the selected tool and feed axes. Finally, there are presented some variants of the mainconstruction parts. The thesis also includes 3D model and drawing documentation.
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Possibility of hazardous environment monitoring
Mach, Jan ; Musil, Martin (referee) ; Blecha, Petr (advisor)
This bachelor’s thesis is about mobile robotics and usage it in electricity industry. First part solve ability of taking the fences and provide basic facts about mobile robotics, kind of chassis and purpose of usage to reader. Second part includes concepts of truck and position device with monitoring system. This concepts solve submission with reference to utility of monitoring device, mobile robot and price. Output of this work is constructive solving of mobile monitoring robot.
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Countinuous Improvement Process Deployment in sales, service and manufacturing company
Zvolánková, Kateřina ; Krbalová, Maria (referee) ; Blecha, Petr (advisor)
This bachelor’s thesis deals with a continuous improvement process in sales, service and manufacturing in company Bosch Rexroth Brno. The goal is to propose the improvement of mentioned processes. First part is devoted to a description of the actual situation and tools used to realize a continuous improvement. That includes an evaluation of their positives and negatives. Second part is focused on a proposal and a description of tools, which respond to important negative findings. Chosen tools are implemented into the continuous improvement process.
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Analysis of the safety requirements of machinery in the European Union and the Eurasian Economic Union
Belov, Vjačeslav ; Blecha, Radim (referee) ; Blecha, Petr (advisor)
The diploma thesis analyzes the European, Czech and Russian standards and requirements for ensuring safety of machinery and methodical process to ensure safety through certification of machinery and centrifugal pumps specially introduced onto the market in the Eurasian Economic Union and the Russian Federation. The first part describes the legislative documents, their properties and the current legislative requirements of EU and EAES. In the second part is an analysis and described comparison of legislative safety requirements of the European Union, the Czech Republic, the Eurasian Economic Union and the Russian Federation. In the third part is described comparison of standards, and were made updates. In the practical part is an analysis of risks pump manufacturer "SIGMA GROUP" according to the requirements EAES and proposed methods for reducing risk prevention. Also in the practical part is analyzed and is created methodical preparation of certification of machinery and pumps placed on the market in the Eurasian Economic Union and the Russian Federation.
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Risk Analysis of a Weldment Production Process
Slámová, Aneta ; Kurucová, Šárka (referee) ; Blecha, Petr (advisor)
This diploma thesis is focused on the risk analysis of a selected production process of the company SIK METAL s.r.o. The work is divided into three parts, the theoretical part, then the analysis of the current state and the design part. The theoretical part defines the basic concepts that relate to risks. These theoretical findings are then applied in the second part of the work, where risk identification is performed using various types of analysis. Based on selected analyzes, proposals and recommendations are proposed in the final part of the diploma thesis. Proposals and recommendations contain financial quantifications.
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Reliability assessment of the Safety Helmets Manufacturing Process
Kartali, Csaba ; Rozehnalová, Jana (referee) ; Blecha, Petr (advisor)
The theoretical part of this master thesis lists all the necessary prerequisites which are needed in order to carry out a full and comprehensive reliability assessment of any given process. To do so it provides an overview of reliability in general, mathematical and statistical guidance together with a more detailed picture of the application and description of the process by quantifiable indicators. Furthermore it gives an overview of two important analysis tools, such as FTA and FMEA, accompanied by the basic principle and summary of the Six Sigma methodology and tools. The practical part of the thesis deals with the detailed description, quantification and goals of the process of safety helmet manufacturing and testing in order to be able to carry out a suitable assessment of the reliability by using the necessary set of tools and methods in order to identify the failures and their causes in the process by addressing them with suitable means of changes and corrective actions.
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Description of vertical milling machines
Doležal, Petr ; Pavlík, Jan (referee) ; Blecha, Petr (advisor)
Object this bachelor's thesis is accomplished recherché vertical milling machines and make description and classification vertical milling machines today’s production. Beginning of this bachelor's thesis is devoted common description of milling, milling machines and basic distribution vertical milling machines. Next part of thesis is devoted basic parts of vertical milling machines and their description. In final part of recherché is introduced comparison of today’s production of vertical milling machines from Czech and from external producers milling machines. End of this bachelor's thesis includes estimation of extract information.
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