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Engineering design of the hydraulic press for bearings for bikes
Vichr, Tomáš ; Brandejs, Jan (referee) ; Klapka, Milan (advisor)
This bachelor thesis concerns design of a bearing replacement device in the motorcycles wheels. The aim was to develop an affordable and reliable home appliance. In general research are defined the imperfections of commonly available devices on the market. Based on that are designed three conceptual proposals as a solution of these problems. The most suitable one is chosen and the critical crucial points are verified as well as the production price.
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Design of machining process diagnostic system
Wolf, Jonatan ; Klapka, Milan (referee) ; Houfek, Lubomír (advisor)
The master’s thesis is focused on online diagnostics of the machining process. In the theoretical part are presented maintenance possibilities of machine tools. A whole chapter is devoted to vibrodiagnostics, which describes vibration sensors, their attachment to the measured object and methods of vibration signal processing. The practical part lies in creating a software diagnostic solution for chosen PLC and sensors. The functionality of the proposed system was verified during experimental machining, which also provided valuable data for the correct setting of the system.
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Design of variable snow plow
Hrůza, Michal ; Klapka, Milan (referee) ; Dvořáček, Jiří (advisor)
This bachelor thesis deals with construction draft of a variable snowplough as an additional device to Spider 3Rider machine. The content of the thesis is a research study of snowploughs construction types, their operation and ensuring safety. Based on information gained are designed construction solutions of a given snowplough, comparison of their construction and usage suitability. The result of the thesis is a construction solution of a variable snowplough, solidity control of critical places and a drawing documentation of the set.
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Design of linear ball screw actuator for higher axial load
Turek, Lukáš ; Klapka, Milan (referee) ; Koutný, Daniel (advisor)
This bachelor thesis solves the construction of a servomotor with a moving screw for higher axial loads. The aim was to design a servo actuator for an axial load of 25 kN, which can be clamped from both sides. The partial goals were to develop an overview of electro-mechanical servo actuators, to analyze the force ratios, load capacity and service life of the current actuator solution. Further process the calculation and design of the actuator, including drawing documentation of selected components for higher axial loads.
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Study of fatigue life of roller bearings type 6204 -2Z
Poláček, Vojtěch ; Svoboda, Petr (referee) ; Klapka, Milan (advisor)
This bachelor thesis deals with the basic description of produced by fatigue failure of ball bearings. In the paper there is a description of basic diagnostic methods of machine parts. Following there is a study of vibration, their recording and the evaluation concerning bearing lifetime. The aim of the experimental part of the paper is to check the functionality and suitability od the VDT2000 analyzer and VDT Control Center software, both made by company VidiTech, s.r.o. together with the SA67 laboratory experimental stations owned by the Department of Design at Faculty of Mechanical Engineering, which were used for examining the 6204-2Z bearings. The aim of the lifespan exam is to confirm the reliability of the bearing failure warning by the analyzer and to assess the ability to record the first stages of bearing damage.
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Construction of a multi-purpose vertical grill
Procházka, Jan ; Klapka, Milan (referee) ; Foltýnová, Dana (advisor)
The aim of this bachelor thesis is the design and subsequent construction of a vertical grill with electric drive. The thesis starts with an introduction where the function of the grills is described. Vertical grills and drives are reviewed and the current state of knowledge is discussed. This is followed by three conceptual designs and their comparison, with one of the designs being followed by a constructional solution. Finally, the key parameters and the choice of electronic components used to control the grill are summarised. A computational report detailing the solution procedure for the selected design nodes, control circuit diagram and drawings are included in appendix.
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Dishwasher for workpieces
Sláma, Ondřej ; Klapka, Milan (referee) ; Brandejs, Jan (advisor)
This thesis is elaborated design of the washing box of dishwasher for workpieces. The target is for the composition of the strength calculations and drawings washing box. Dishwasher size 1000x1000 mm enables automatic cleaning and degreasing workpieces weighing up to 250 kg.
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The design of clamping equipment for tensile testing of car door hinges
Daněk, Jiří ; Čípek, Pavel (referee) ; Klapka, Milan (advisor)
This thesis deals with the problem of clamping fixture for tensile tests of car door hinges. The aim of the thesis was to design a new preparation that will replace the current one that is not satisfactory. All the goals of the thesis were met, the output of the thesis is a design of a product that meets the requirements of the standards and the customer. On the basis of the control calculations, drawing documentation was created and then Edscha had the new product manufactured. The product has been in operation for more than half a year and meets all requirements.
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The design of compression part of Braysson engine
Hodás, Ladislav ; Mazůrek, Ivan (referee) ; Klapka, Milan (advisor)
This master thesis deals with design of compression part of Braysson engine which is instrumental to energy producing. The first part addresses generally the problem of Braysson cycle and briefly sums the knowledge about compressors. The next part focuses on the projection of design itself. It contains proposals of various possibilities of solutions, choice of optimal variants. Individual parts of the machine are described and design and control computations are provided. The final part contains evaluation.
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