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Technology of high pressure die-castings and influences having effect on their quality
Štipl, Pavel ; Prášil, Tomáš (referee) ; Roučka, Jaromír (advisor)
This diploma thesis deals with the technology of high pressure die casting and especially influences having effect on their final quality. The aim of this thesis is to design the measures to convert casting of the cylinder for chainsaw into the serial production. The thesis contains a description of the production of castings by technology of high pressure die casting, theoretical analysis of the factors with effects on their final quality and practical description of the conversion casting of cylinder for chainsaw into the serial production. The problem of converting to serial production has been solved by several samplings and final test series. Part of each sampling is analysis of defects and design of measures leading to elimination or at least minimization of such defects. On the basis of the production process has been successfully optimized and casting of the cylinder for chainsaw was successfully converted into the serial production. The results of this work also allowed for a smooth conversion into the serial production of another type of cylinder, manufactured by company MOTOR JIKOV.
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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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Technology of high pressure die-castings and influences having effect on their quality
Štipl, Pavel ; Prášil, Tomáš (referee) ; Roučka, Jaromír (advisor)
This diploma thesis deals with the technology of high pressure die casting and especially influences having effect on their final quality. The aim of this thesis is to design the measures to convert casting of the cylinder for chainsaw into the serial production. The thesis contains a description of the production of castings by technology of high pressure die casting, theoretical analysis of the factors with effects on their final quality and practical description of the conversion casting of cylinder for chainsaw into the serial production. The problem of converting to serial production has been solved by several samplings and final test series. Part of each sampling is analysis of defects and design of measures leading to elimination or at least minimization of such defects. On the basis of the production process has been successfully optimized and casting of the cylinder for chainsaw was successfully converted into the serial production. The results of this work also allowed for a smooth conversion into the serial production of another type of cylinder, manufactured by company MOTOR JIKOV.
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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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