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On the analysis of welding seams
Němečková, Monika ; Sliwková, Petra (referee) ; Píška, Miroslav (advisor)
The thesis deals with the analysis of the quality of welded joints on the pressure tank, which is produced by Bosch Diesel s.r.o. The main point is to improve the porosity in the weld joint. The theoretical part deals with the analysis of the pressure container and its production process. The practical part deals with the cleaning process before welding and the analysis of residual grease on the welding surfaces after the cleaning process in which two different cleaning media were used. Furthermore, the CT evaluation of welded joints was used to support which washing medium is better, thus providing better degreasing and thus less porosity in the weld joint, for pretreatment of weld surfaces.
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Common Rail for Four-cylinder CI Engine
Brhel, Štěpán ; Svída, David (referee) ; Dundálek, Radim (advisor)
This master´s thesis deals with instalation of high pressure injection system Common Rail on four-cylinder tractor CI engine. Thesis introduces in the first part the injection systems of CI and tractor engines and related issues. In the next part is solved the conversion of engine, design of most important components - injetor, high pressure pump, pressure accumulator and high-pressure pipes and then stress analysis of new components.
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On the analysis of welding seams
Němečková, Monika ; Sliwková, Petra (referee) ; Píška, Miroslav (advisor)
The thesis deals with the analysis of the quality of welded joints on the pressure tank, which is produced by Bosch Diesel s.r.o. The main point is to improve the porosity in the weld joint. The theoretical part deals with the analysis of the pressure container and its production process. The practical part deals with the cleaning process before welding and the analysis of residual grease on the welding surfaces after the cleaning process in which two different cleaning media were used. Furthermore, the CT evaluation of welded joints was used to support which washing medium is better, thus providing better degreasing and thus less porosity in the weld joint, for pretreatment of weld surfaces.
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Common Rail for Four-cylinder CI Engine
Brhel, Štěpán ; Svída, David (referee) ; Dundálek, Radim (advisor)
This master´s thesis deals with instalation of high pressure injection system Common Rail on four-cylinder tractor CI engine. Thesis introduces in the first part the injection systems of CI and tractor engines and related issues. In the next part is solved the conversion of engine, design of most important components - injetor, high pressure pump, pressure accumulator and high-pressure pipes and then stress analysis of new components.
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