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The High Pressure Fuel System Application for CI-engine
Ševčík, Ondřej ; Prokop, Aleš (referee) ; Dundálek, Radim (advisor)
This thesis focuses on the design of new high pressure injection system application on diesel engine. The design came from company Zetor’s demands. For this application was chosen system Common Rail supplied by company Bosch. Assignment was separated into several tasks. Research of suitable components for low pressure section, design of waste system and high pressure injection tubes design including injector clamping. Due to injectors used in this system was necessary to redesign cover for valves and even new system to lead wires from outside of the engine to injectors. Injector is attached by screw connection, which is composed from screw and clamping jaw. These parts are subjected to an analytic calculations. Clamping jaw of injector is even subjected to a FEM analysis, which focuses on fatigue life. Finally, the drawings were documented.
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Test stand for testing of frame and fork of scooter
Kostka, Marek ; Klapka, Milan (referee) ; Brandejs, Jan (advisor)
The aim of this bachelor thesis is construction design of the testing station for tests of cyclical straining of the frame and fork of the footbike in loading by men in weight from 50 to 150 kg and in kick frequency from 10 to 120 kicks per minute. The format of this work is divided into four main parts. In the first part is this work orientated to actual demands of the footbike. In this part is also described construction design and solution of other testing stations. In other part of this work is accomplished analysis of powers which influent footbike and there are defined particular parameters for testing station. In the third part is described possible approach to solution of testing station and to particular contructional nodes. Last part of this work talks about the resulting proposal of constructional design of the testing station.
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Návrh silového členu simulátoru zátěže pro dlouhodobé zkoušky VTG aktuátoru
VANĚK, Daniel
The topic of diploma thesis is focused on the design of the life of the power member of the preparation with springs (the load simulator). The preparation is used for long-term testing of VTG (Variable Turbinen Geometrie) actuators. The diploma thesis follows the author's bachelor's thesis (Vaněk, 2019). The theoretical part is focused on the fatigue of the material, the geometry of the used springs, the decomposition of the test profile using the Rain flow method and the Matlab (interactive software). The practical part of that thesis deals with the analysis of the test profile, the calculation of the accumulation of damage and the statistical evaluation of the service life of the used springs.
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The High Pressure Fuel System Application for CI-engine
Ševčík, Ondřej ; Prokop, Aleš (referee) ; Dundálek, Radim (advisor)
This thesis focuses on the design of new high pressure injection system application on diesel engine. The design came from company Zetor’s demands. For this application was chosen system Common Rail supplied by company Bosch. Assignment was separated into several tasks. Research of suitable components for low pressure section, design of waste system and high pressure injection tubes design including injector clamping. Due to injectors used in this system was necessary to redesign cover for valves and even new system to lead wires from outside of the engine to injectors. Injector is attached by screw connection, which is composed from screw and clamping jaw. These parts are subjected to an analytic calculations. Clamping jaw of injector is even subjected to a FEM analysis, which focuses on fatigue life. Finally, the drawings were documented.
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Test stand for testing of frame and fork of scooter
Kostka, Marek ; Klapka, Milan (referee) ; Brandejs, Jan (advisor)
The aim of this bachelor thesis is construction design of the testing station for tests of cyclical straining of the frame and fork of the footbike in loading by men in weight from 50 to 150 kg and in kick frequency from 10 to 120 kicks per minute. The format of this work is divided into four main parts. In the first part is this work orientated to actual demands of the footbike. In this part is also described construction design and solution of other testing stations. In other part of this work is accomplished analysis of powers which influent footbike and there are defined particular parameters for testing station. In the third part is described possible approach to solution of testing station and to particular contructional nodes. Last part of this work talks about the resulting proposal of constructional design of the testing station.
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