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Stress-strain analysis of chosen climbing rung
Hložek, Jiří ; Vaculka, Miroslav (referee) ; Novák, Kamil (advisor)
This bachelor thesis deals with a stress-strain analysis of chosen climbing rung. The thesis is divided into four main parts. The first part of the thesis reviews three-dimensional frames (grates) and their possible solution. The second part includes analytical solution of chosen, idealized climbing rung by using Castigliano´s theorem. The third part includes numerical solution by using finite element method performed in ANSYS software. Finally, the last part summarizes results which are also thoroughly discussed.
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Influence of dynamic loading on the contact fatigue characteristics of bearing material
Hložek, Jiří ; Hutař, Pavel (referee) ; Mazal, Pavel (advisor)
This thesis deals with the study of sudden step changes observed in model testing of standard bearing steel 100Cr6. Methodology of experiments with step change of load is proposed and applied in measurements. Three complete series of experiments were conducted, and rating life was determined for each loading trend. Based on the experiments carried out, it was found that the selected steel is able to withstand the sudden step of load changes, despite the fact that it is not material of choise for this type of load. Part of this work was to verify functionality of the innovated test stations AXMAT with modern diagnostics and a new control system, and also of the hydraulic variant of AXMAT, which allows to remotely derive dynamic loading of the test sample.
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Influence of dynamic loading on the contact fatigue characteristics of bearing material
Hložek, Jiří ; Hutař, Pavel (referee) ; Mazal, Pavel (advisor)
This thesis deals with the study of sudden step changes observed in model testing of standard bearing steel 100Cr6. Methodology of experiments with step change of load is proposed and applied in measurements. Three complete series of experiments were conducted, and rating life was determined for each loading trend. Based on the experiments carried out, it was found that the selected steel is able to withstand the sudden step of load changes, despite the fact that it is not material of choise for this type of load. Part of this work was to verify functionality of the innovated test stations AXMAT with modern diagnostics and a new control system, and also of the hydraulic variant of AXMAT, which allows to remotely derive dynamic loading of the test sample.
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Stress-strain analysis of chosen climbing rung
Hložek, Jiří ; Vaculka, Miroslav (referee) ; Novák, Kamil (advisor)
This bachelor thesis deals with a stress-strain analysis of chosen climbing rung. The thesis is divided into four main parts. The first part of the thesis reviews three-dimensional frames (grates) and their possible solution. The second part includes analytical solution of chosen, idealized climbing rung by using Castigliano´s theorem. The third part includes numerical solution by using finite element method performed in ANSYS software. Finally, the last part summarizes results which are also thoroughly discussed.
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