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Actual trends in manufacturing of ceramic shell moulds
Jankůj, Luděk ; Soukupová, Lucie (referee) ; Horáček, Milan (advisor)
Final thesis deals with the properties and production of ceramic shell moulds for investment casting method. Literature search focuses on the core of the production this mould used for ceramic and refractory slurry spreading. Attention is also paid to the technology of its production, testing ceramic shell mould and defects caused by improper manufacturing process forms. Another part of the work is focused on current trends in the production of ceramic shell moulds. The last part describes the production of ceramic shell mould in the company Česká zbrojovka. The conclusion summarizes information of production and the recommended choice of materials and manufacturing processes for ceramic shell moulds for the issue.
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Modification of ceramic shells to increase its break up after casting process
Škriečková, Natália ; Horáček, Milan (referee) ; Krutiš, Vladimír (advisor)
This master´s thesis deals with the problem of the disintegration of shell moulds after casting. Too high residual strength increases the cost of operations associated with the final cleaning of castings. The aim was to analyze the current state of the art and to optimize the production of moulds in MoraviaTech a.s. so that the removal of the ceramic shell after casting is easier. In the first part, a literature analysis of the influences that could have a positive effect on the speed of shell removal is made. In the practical part, experiments are conducted comparing the amount of shell removed as a function of time between modified ceramic shells and shells produced by the company. In the last part, the results of the individual measurements are evaluated and conclusions and recommendations for MoraviaTech a.s. are drawn from them.
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Actual trends in manufacture of ceramic shell moulds
Štipl, Pavel ; Vašťák, Patrik (referee) ; Horáček, Milan (advisor)
This thesis deals with the current trends in the production of ceramic shell moulds. The first part describes the history of investment casting, their use and an overview of world production. In the following parts is out of print the production process of ceramic shell mould using contemporary materials and technologies. The final section describes the defects associated with the production of ceramic shell moulds. The aim of this work is to create a literature search focused on raw materials and processes used to create a ceramic shell mould for investment casting technology.
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Modification of ceramic shells to increase its break up after casting process
Škriečková, Natália ; Horáček, Milan (referee) ; Krutiš, Vladimír (advisor)
This master´s thesis deals with the problem of the disintegration of shell moulds after casting. Too high residual strength increases the cost of operations associated with the final cleaning of castings. The aim was to analyze the current state of the art and to optimize the production of moulds in MoraviaTech a.s. so that the removal of the ceramic shell after casting is easier. In the first part, a literature analysis of the influences that could have a positive effect on the speed of shell removal is made. In the practical part, experiments are conducted comparing the amount of shell removed as a function of time between modified ceramic shells and shells produced by the company. In the last part, the results of the individual measurements are evaluated and conclusions and recommendations for MoraviaTech a.s. are drawn from them.
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Actual trends in manufacturing of ceramic shell moulds
Jankůj, Luděk ; Soukupová, Lucie (referee) ; Horáček, Milan (advisor)
Final thesis deals with the properties and production of ceramic shell moulds for investment casting method. Literature search focuses on the core of the production this mould used for ceramic and refractory slurry spreading. Attention is also paid to the technology of its production, testing ceramic shell mould and defects caused by improper manufacturing process forms. Another part of the work is focused on current trends in the production of ceramic shell moulds. The last part describes the production of ceramic shell mould in the company Česká zbrojovka. The conclusion summarizes information of production and the recommended choice of materials and manufacturing processes for ceramic shell moulds for the issue.
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|
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Actual trends in manufacture of ceramic shell moulds
Štipl, Pavel ; Vašťák, Patrik (referee) ; Horáček, Milan (advisor)
This thesis deals with the current trends in the production of ceramic shell moulds. The first part describes the history of investment casting, their use and an overview of world production. In the following parts is out of print the production process of ceramic shell mould using contemporary materials and technologies. The final section describes the defects associated with the production of ceramic shell moulds. The aim of this work is to create a literature search focused on raw materials and processes used to create a ceramic shell mould for investment casting technology.
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