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3D metal printing by robot
Tvrdoň, Radek ; Mrňa, Libor (referee) ; Sigmund, Marian (advisor)
The diploma thesis presents an overview of additive production technologies and a summary of technologies used for 3D metal printing using a robot. All of them are generally described and at the same time assigned to their specific commercial use, or the academic research that deals with them. The work examines the suitability of the material EN ISO 14341-A: G 3Si1 for 3D printing, for which a modification of the Col Metal Transfer technology, Cycle Step is used. The experimental printout of the sample is evaluated on the basis of surface and mechanical tests. Capillary test, examination of microstructure a macrostructure, tensile test and microhardness test. All of them were satisfactory and the suitability of the welding wire for 3D printing was confirmed by the given technology.
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Processes of open-die and die forging
Tvrdoň, Radek ; Peterková, Eva (referee) ; Lidmila, Zdeněk (advisor)
The thesis presents a theoretical summary of forging processes. It deals with the selection of semi-finished product, machine and also forming processes for both types of forging. It explains the usability of open-die forging for making simple parts and die forging for more complex components. While solving the die forging, the thesis is extended with instructions for making a drawing of a forged piece, which nominal dimensions are extended by mentioned additions. The drawing is followed by explanation of procedure of creation a die cavity, which is different for presses and hammers. The thesis also describes the process of calculations of forging force and labor.
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3D metal printing by robot
Tvrdoň, Radek ; Mrňa, Libor (referee) ; Sigmund, Marian (advisor)
The diploma thesis presents an overview of additive production technologies and a summary of technologies used for 3D metal printing using a robot. All of them are generally described and at the same time assigned to their specific commercial use, or the academic research that deals with them. The work examines the suitability of the material EN ISO 14341-A: G 3Si1 for 3D printing, for which a modification of the Col Metal Transfer technology, Cycle Step is used. The experimental printout of the sample is evaluated on the basis of surface and mechanical tests. Capillary test, examination of microstructure a macrostructure, tensile test and microhardness test. All of them were satisfactory and the suitability of the welding wire for 3D printing was confirmed by the given technology.
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|
|
Processes of open-die and die forging
Tvrdoň, Radek ; Peterková, Eva (referee) ; Lidmila, Zdeněk (advisor)
The thesis presents a theoretical summary of forging processes. It deals with the selection of semi-finished product, machine and also forming processes for both types of forging. It explains the usability of open-die forging for making simple parts and die forging for more complex components. While solving the die forging, the thesis is extended with instructions for making a drawing of a forged piece, which nominal dimensions are extended by mentioned additions. The drawing is followed by explanation of procedure of creation a die cavity, which is different for presses and hammers. The thesis also describes the process of calculations of forging force and labor.
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