Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
Use of torch swing for butt weld welding of stainless steel MAG method
Gago, Matúš ; Sigmund, Marian (oponent) ; Kubíček, Jaroslav (vedoucí práce)
Diploma thesis of arc welding of stainless steels focused on the MAG method, with a literature study on the issue. The geometries of the butt weld with the preparation of the bevel "Y" and the thickness of materials that are often used on structures used in the energy and food industries (6, 8 and 12 mm) were selected. An experimental study of the effect of MAG welding was performed, with and without oscillation of the welding torch for the "Y" weld. Experimentally verified sample welds of individual types were supplemented by the evaluation of results with fillet welds and submerged arc welds for comparing the consequences of welding with high heat input. The materials used were theoretically evaluated, the possible resulting theoretical material structure was analytically calculated and the results were included in the Scheaffler and WRC 1992 diagram. The mutual weldability of the materials with the equivalent of Crom and Nickel was assessed. And evaluated macrostructure of weld patterns, developed tensile tests and hardness tests to assess the impact of mechanical properties. In the end, recommendations for practice and recommendations for the prevention of errors, which were observed on experimental samples, were set.
Design of Bench Drill
Gago, Matúš ; Rajlich, Jan (oponent) ; Fridrichová, Eva (vedoucí práce)
The bachelor thesis deals with the innovative shape and ergonomic design of the table drill, the design of its functions associated with the control as well. Emphasis is placed on improving the aesthetic and functional form of current drills. This work can be considered as an addition or inspiration to the work on the technical design and construction of table drills and their accessories.

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