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The Present State and Development Trends of Passenger Cars Gearbox Design.
Chuchma, Ondřej ; Rasch, František (referee) ; Blaťák, Ondřej (advisor)
The bachelor thesis includes complex information about nowdays gearbox, which are used for automobile. In general it describes constructional ordering and principles of function of gearbox. The next part provides the information about individual kinds of gearbox and compares their properties and parameter. The most extensive part is engaged in dual clutch gearbox as the most developing kind of transmission of automobile. In the end author deals with the most probable future development in branch of gearbox for segment of automobile.
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Design of threading head with automatic reversing
Žebrák, Matěj ; Pavlík, Jan (referee) ; Tůma, Jiří (advisor)
This bachelor’s thesis deals with the design of reversing tapping head. The thesis is divided into two parts. First part is devoted to an overview of technologies for the thread producing focusing to tapping and research in field of tapping heads. Second part contains design of reversing tapping head including the necessary calculations.
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Planetary Gearboxes in Both Passenger Cars and Trucks Construction
Novák, Petr ; Řehák, Kamil (referee) ; Prokop, Aleš (advisor)
The thesis deals with the use of planetary gears in automatic transmissions for cars and trucks. The transmission part consists of Simpson and Ravigneaux gears. Therefore, their kinematic analysis is performed here. A complete description of the automatic gearbox explains in detail the principle of the function of the gearbox as a whole. Furthermore, the work is divided into two parts - gearboxes for cars and trucks. A research is carried out, the main characteristics of the group are described and their representative is discussed in detail. In the last part the kinematic and force analysis of ZF - Ecomat 6HP 602 gearbox is carried out.
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Proposal of driveline of prototype for Shell Eco-marathon
Skácelík, Radek ; Klimeš, Lubomír (referee) ; Štětina, Josef (advisor)
In the bachelor thesis, the drivetrain design of the racing car is solved and described. The competition rules are summarized in the introduction. Then the driving resistances and drivetrain design variants are evaluated, which main objective is to achieve low fuel consumption. The solution is focused on the concept of a planetary gear-shifting hub, in combination with the synchronous belt drive. The Honda GX25 engine with a centrifugal clutch and the driven wheel dimension of 20” is used to drive the design. The design solution is shown at the assembly drawing.
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Control Systems of Gears Changing on Load in Tractors Gearboxes
Holub, Přemysl ; Svída, David (referee) ; Dundálek, Radim (advisor)
This bachelor thesis is interested in the overview of tractor’s gearboxes, which are changing on load. There are reasons, why it has to be costructed and there are requirements for it. There are also described PowerShifts, which allow us gear changing on load. After basic description of concrete gearbox, there is always some example of using in current tractors. In period named Mechanical gearboxes, wchich are changing partly on load there is more space for Zetor tractors and its gearboxes. In one of the last period there is important part about continuously variable transmissions where the driving speed is regulated steplessly. These gearboxes are considered to be modern technology of transfer engine torque.
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Planetary Gearboxes in Both Passenger Cars and Trucks Construction
Novák, Petr ; Řehák, Kamil (referee) ; Prokop, Aleš (advisor)
The thesis deals with the use of planetary gears in automatic transmissions for cars and trucks. The transmission part consists of Simpson and Ravigneaux gears. Therefore, their kinematic analysis is performed here. A complete description of the automatic gearbox explains in detail the principle of the function of the gearbox as a whole. Furthermore, the work is divided into two parts - gearboxes for cars and trucks. A research is carried out, the main characteristics of the group are described and their representative is discussed in detail. In the last part the kinematic and force analysis of ZF - Ecomat 6HP 602 gearbox is carried out.
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Hodnocení funkčních vlastností hydromechanických pohonů traktorů
Štefan, Jiří
This bachelor thesis deals with hydromechanical transmissions, which are used in modern tractors. In the first part transmissions concepts are divided into three groups. In the next section it sumarizes and describes types of transmissions from different tractor manufacturers. Thesis includes the results of pulling tests of Claas Arion 640 with HEXASHIFT and CMATIC transmissions and analysis of these transmissions.
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Design of threading head with automatic reversing
Žebrák, Matěj ; Pavlík, Jan (referee) ; Tůma, Jiří (advisor)
This bachelor’s thesis deals with the design of reversing tapping head. The thesis is divided into two parts. First part is devoted to an overview of technologies for the thread producing focusing to tapping and research in field of tapping heads. Second part contains design of reversing tapping head including the necessary calculations.
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