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Mechanical rake screen
Žemlička, Martin ; Malach, František (referee) ; Malášek, Jiří (advisor)
This diploma thesis deals with construction concept of mechanical rake screen and consists of several main sections. The first section of the diploma thesis covers an overview of the current supply of mechanically scraping rack. In the second section, basic parameters and calculations are solved for the mechanical rack construction concept. In the third one however, analysis of the construction is realized with SolidWorks modeller and the functions of particular parts of the rack is explained. The last section of the diploma thesis focuses on stress control using classic calculation methods and Finite Element Methods (FEM) using a program called I-DEAS.
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Mechanical cleaner-machine
Čejda, Robert ; Malach, František (referee) ; Malášek, Jiří (advisor)
The aim of my diploma thesis is to design a construction of a mechanical fine rack cleaner machine including an appropriate design of gear mechanism and its attachment to the frame. The cleaner machine is located in the inflow system of a turbine in front of the object of small hydro power station. The design of the construction of the cleaner machine will be based on a drawing documentation and a report with needed analytic and FEM calculations.
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Project of service lift
Odvárka, Tomáš ; Malach, František (referee) ; Malášek, Jiří (advisor)
This diploma thesis deal with project of servis lift drive by special mechanism using thrust chain. There are designed and descrobed the most importana construction unit of servis lift in the this thesis. The calculation as tha static for the main part sof the lift are included in the constructional analysis. The most attention is pay to drive, which is consist of eletric motor, clech, gearbox, break and imposition of sprocket wheel.
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Project of silo for powdery lime hydrate
Perna, Marek ; Malach, František (referee) ; Malášek, Jiří (advisor)
This diploma thesis is solving systems design of silo for a powdery lime hydrate for technology equipment in a sewage works. There is analysis of type choise and silo construction, dimension design and silo strenght calculation. There is described possibility of empty space creation during the emptying and how to reduse them with the aid of active and pasive elements conductive to flow. Description of active and pasive cases of stress in silo material.
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Project of special manipulator
Martinů, Jan ; Malach, František (referee) ; Malášek, Jiří (advisor)
This thesis describes the design of a special manipulator, driven by a special mechanism with a pushed chain. The chain is conducted from the bottom branch of a horizontal guide slot via a chain wheel to the upper branch of a guide slot. To the end of the chain there is connected a frame manipulator via a tap connection. In this work there are described and suggested the most important component units of a manipulator, including a drive.
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Hydraulic pullers
Kvasnica, Tomáš ; Malach, František (referee) ; Malášek, Jiří (advisor)
This Diploma thesis occupies with design of hydraulic puller. In work are mentioned possible types of construction. Choice construction of puller is disposed with parameters: maximum pushing force 50 kN, speed of piston rod 0,05 m/s. This work also contains FEM analysis by computer programme I-DEAS. The work also occupies with design of fluid drive.
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Project of worm gear for lift mechanism
Otisk, Jan ; Malach, František (referee) ; Malášek, Jiří (advisor)
This graduation thesis dwells on a worm gear design for an elevator mechanism in an already existing wheel case with actuator unit S3 for elevator type BOV 320/0,63. The work includes dimensional and control calculation for the worm gear and as an attachment you will find spiral worm and worm gear drawing documentation, including its specific location.
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Two shaft continuous mixer
Lukuvka, Šimon ; Malach, František (referee) ; Malášek, Jiří (advisor)
This diploma project solves questions of blending processes and mixers of partikular materials. In the first and the second part is solved theoreticel analysis of blending processes. Contain of the third and the fourth part is designing and calculating of the mixer´s parameters.
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Project of service lift
Drápela, Josef ; Malach, František (referee) ; Malášek, Jiří (advisor)
This diploma thesis deal with project of service lift. The service lift is drive by special mechanism using thrust chain. The chain is led from chain accumulator over sprocket gear to vertical guiding groove. Lift car is connected to the end of chain. There are designed and described the most important constructional unit of service lift in this thesis. But the most attention is pay to drive, including break system and chain accumulator. The drive is consist of electric motor, clutch, break, planetary gearbox and sprocket gear.
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Bush–hammer pneumatic machine
Matula, Tomáš ; Malach, František (referee) ; Malášek, Jiří (advisor)
This thesis deals with the design of a pneumatic facing machine used to dress pavement surfaces aesthetically and anti-slip-wise. The introduction describes the general overview and examples of pavement. The second part deals with the analysis of the machine and its technical specifications. Further parts contain proposals for the pneumatic circuit, paint system and functional calculations. The drawing documentation has been prepared to the extent of manufacturing drawings and sets.
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