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Welding of the lift cage framework
Měřičková, Petra ; Daněk, Ladislav (referee) ; Kubíček, Jaroslav (advisor)
Stress relieving in the welded joints occurs when loaded of the platform lift. Critical welds of profile from steel S235JRH and of stiffener from steel S355J0 are examined in terms of flexibility, strength and safety using strength analysis method. Under different welding conditions and parameters are performed the testing welds by method MAG. Macroscopic and microscopic inspection are conducted as well as tension test. Weld created in active gas 82 %Ar + 18 %CO2, by dip transfer with low values of welding current 96 A and voltage 20,2 V became as the top evaluated sample. This weld is recommended to use in practice.
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Design of MIG/MAG Welding Machine
Zelenitca, Darina ; Tvarůžek, Martin (referee) ; Sládek, Josef (advisor)
The topic of this diploma thesis is the design of a MIG/MAG welding machine, suitable for locksmiths and workshops. The diploma thesis includes the analysis of existing products from the design and technical point of view and deals with the design of welding machine. The proposed concept focuses on interactive and modern look of the machine and comfortable manipulation and easy operation. The design itself offers a possible direction of morphology of welding machines in the future.
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Design of MIG/MAG Welding Machine
Zelenitca, Darina ; Tvarůžek, Martin (referee) ; Sládek, Josef (advisor)
The topic of this diploma thesis is the design of a MIG/MAG welding machine, suitable for locksmiths and workshops. The diploma thesis includes the analysis of existing products from the design and technical point of view and deals with the design of welding machine. The proposed concept focuses on interactive and modern look of the machine and comfortable manipulation and easy operation. The design itself offers a possible direction of morphology of welding machines in the future.
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Welding of the lift cage framework
Měřičková, Petra ; Daněk, Ladislav (referee) ; Kubíček, Jaroslav (advisor)
Stress relieving in the welded joints occurs when loaded of the platform lift. Critical welds of profile from steel S235JRH and of stiffener from steel S355J0 are examined in terms of flexibility, strength and safety using strength analysis method. Under different welding conditions and parameters are performed the testing welds by method MAG. Macroscopic and microscopic inspection are conducted as well as tension test. Weld created in active gas 82 %Ar + 18 %CO2, by dip transfer with low values of welding current 96 A and voltage 20,2 V became as the top evaluated sample. This weld is recommended to use in practice.
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Využití metody svařování v ochranné atmosféře aktivního plynu ve strojírenské praxi
Černý, Oldřich
The aim of this bachelor thesis is joining metals by welding, namely metal active gas welding. The first part is dedicated to different methods of welding in engineering practice and describes the best-known methods and principles in detail. The second part focuses on the selected welding process. It explains the principle of the method, metal transfer from the electrode to the parent material and describes the welding equipment used for this method. The final part deals with filler materials, active gases and parent materials used in practice.
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