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Design of cable container
Skopal, Vojtěch ; Skřivánková, Vendula (referee) ; Galas, Radovan (advisor)
The basic aim of this bachelor´s thesis is design of theater cable carrier for company EST Stage Technology, a.s. This solution must be demountable, for more economical transportation, while it has low weight and overall solid structure. The new cabel carrier uses the principle of self-locking and it was designed to be decomposable on five separated parts. Developed solution enables up to 50 % space saving and what is more there is a possibility to compose more distributed cable carriers on each other. The contribution of this work is the total financial savings, which relates to the reduction in manufacturing time and savings associated with the transportation.
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Design of experimental device for visualization of axial forces in bolted connections
Ptáček, Tomáš ; Galas, Radovan (referee) ; Svoboda, Petr (advisor)
In the bachelor's thesis is created design experimental device that will be able to measure preload in bolted joints. The first part of thesis deals with research study of the current state of knowledge of bolted joints, depending on the use of different types of lubricants. According to informations, 3 different variants are introduced. The selected variant is described in detail with their advatnages and disadvantages. The final design is developed into technical drawing and electronic 3D models.
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An overview of method for studying and quantification of wear
Řeháková, Bára ; Urban, Filip (referee) ; Galas, Radovan (advisor)
This bachelor thesis describes ASTM test methods for determination of wear in accordance to their usefulness to ÚK in FSI VUT in Brno. The beginning concerns with types of wear and their mechanisms and with creation of new test methods. The main section deals with each of the test methods normally used by ÚK and their exact procedures. In the last part of this thesis, comparisons of these are made due to their use according to the type of material.
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Design of Experimental Stand for the Study of Railway Vehicles Sanding
Galas, Radovan ; Hruška, Marek (referee) ; Šperka, Petr (advisor)
Presented master’s thesis describes the design and the implementation of an experimental device used for the study of tribological aspects of wheel-rail contact. In this work, the reader will first learn the fundamentals such as adhesion, slip, traction curve, etc. Subsequently, the work is describing devices that are used for the study of wheel-rail contact around the world. This section is followed by the author proposed solution. The result is a twin disc device in the scale of 1:3. The device allows determining traction characteristics for different environmental conditions (presence of water, sand and oil in contact for different temperatures) and various operating parameters (contact pressure and speed). A part of this work are also the validation experiments and complete design documentation.
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Design of the loading mechanism for low load
Polnický, Vojtěch ; Galas, Radovan (referee) ; Nečas, David (advisor)
The aim of the bachelor’s thesis is to provide a design and full drawing documentation of instrument for applying low loads. In case of realization, the mechanism will be implemented into a ball-on-disc laboratory tribometer, which is used in the laboratory of IMID FME BUT in Brno. The first part of the thesis deals with research study of tribometers considering the configuration of test samples and loading mechanism systems. According to information analysis, four different variants are introduced. The final design is described in detail, including the information about the advantages and disadvantages. This design is developed into technical drawings and electronic models.
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Contactless sealing
Klimek, Ľubomír ; Galas, Radovan (referee) ; Omasta, Milan (advisor)
The aim of this work is factually and comprehensibly process the available information of contactless shaft seal. The introduction deals with clarifying basic concepts, historical development, and dividing the seals in general. Then it details the basic principles, advantages and disadvantages, and application of magnetic and labyrinth seals. The information included in this work can provide a basic overview for readers seeking information about this issue.
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Bearings for machine spindles
Knápek, Jiří ; Nohál, Libor (referee) ; Galas, Radovan (advisor)
This bachelor’s thesis contains the survey of bearings for machine spindles. Thesis is especially focused on slide, air, magnetic and rolling bearings. Bearings are described with emphasis on their construction, lubrication and arrangements. In the end of this thesis there is a comparison of mentioned kinds of bearings for machine spindles.
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Classification and evaluation of rail wear
Nohel, Rostislav ; Frýza, Josef (referee) ; Galas, Radovan (advisor)
This bachelor’s thesis is focused on the wear of rails. In this thesis, the reader will be firstly introduced to the fundamentals such as nomenclature of wheel and rail, adhesion, adhesion coefficient, contact area, slip, traction characteristic and wear. Subsequently, the fundamental types of material wear (adhesive, abrasive and fatigue) will be explained, which occur in the wheel-rail contact. In the next part, the individual rail defects are analysed with respect to locations. The output of the bachelor’s thesis is overview and description of the most common rail defects which are usually caused by fatigue wear.
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System for Exhausting of Combustion Gases over the Sintering Grate
Kratochvílová, Silvie ; Galas, Radovan (referee) ; Dvořáček, Jiří (advisor)
This bachelor thesis deals with solution for waste gases exhaustion system above the sinter grate. The first part is dedicated to the general treatise about sinter grate, its operations and individual modifications. Another part looks into issues covering placing of the cover above the sinter grate. Proposal of optimal solution of the waste gases exhaustion system is done in last part, where are described reasons, which lead to its choice.
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Conveyor system for sorting of coins
Žonda, Peter ; Galas, Radovan (referee) ; Brandejs, Jan (advisor)
The goal of this thesis is to document the current state of a coin sorting line and to propose improvements, which would save floorspace. The proposed new arrangement is to be documented and a 3D model of it is to be created. The documentation of the new arrangement encompasses set conditions and new requirements as given by the Czech National Bank. Finally, a draft request for tender for new equipment is to be created, while keeping technological continuity in mind.
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