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Production of lever fuse casting for hose coupling
Tvrdoň, Tomáš ; Myška, Martin (referee) ; Pernica, Vítězslav (advisor)
The first part of this bachelor’s thesis is just a theory and it is focused on producing castings with method of impermanent moulds. You can find here basic classification of moulds and afterwards sand moulds and ceramic moulds are described. The second part is practical and it is focused on a production of lever fuse which defends disconnection of the fire hose when it is under the pressure of water. Lost wax casting was chosen for the production. In this part is described full process from pattern making, gluing to wax tree, covering to metal casting. The whole practical part is accompanied by authentic pictures which were made during the process.
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Secure Communication for Smartphones
Tvrdoň, Tomáš ; Petrlík, Jiří (referee) ; Korček, Pavol (advisor)
This bachelor thesis describes design and implementation of secure SMS application. Other parts of this thesis discuss Smartphone programming interface and cryptographic methods. Application design focuses on user friendly operations with contacts, secure encryption key exchange and intuitive user interfaces.
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Manufacturing, structure and properties of cast iron with globular graphite produced on electric furnaces
Tvrdoň, Tomáš ; Pernica, Vítězslav (referee) ; Záděra, Antonín (advisor)
The diploma thesis deals with the technology of production of ductile iron with lower production costs. The thesis takes into account quality in terms of internal structure and mechanical properties. The thesis consists of two parts. The first part is about theoretical analysis of the topic of graphite cast irons with a more detailed discussion of the chemical composition, structure and properties of ductile iron. The experimental part deals with the production of ductile iron on electric arc and induction furnaces with different metall charging. Subsequently, the structures and mechanical properties of the ductile iron produced on these two melting aggregates are compared. An important part of this work is also an economic evaluation, where the proposed variants are compared in terms of metall charging and used melting aggregates.
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Employee Remuneration System in the Selected Company and Proposal for Possible Changes
Tvrdoň, Tomáš ; Fanta, Josef (referee) ; Kruntorádová, Markéta (advisor)
The work is focused on the employee remuneration system and proposals for improvement in the given company. The thesis is divided into three parts, the first part deals with theoretical starting points, which are drawn from professional literature and publications by various authors who have an overview of the given issue. In the second part, the existing remuneration system in the company and the factors affecting it are analyzed. The third part deals with specific proposals for improving the remuneration system in the company.
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Manufacturing, structure and properties of cast iron with globular graphite produced on electric furnaces
Tvrdoň, Tomáš ; Pernica, Vítězslav (referee) ; Záděra, Antonín (advisor)
The diploma thesis deals with the technology of production of ductile iron with lower production costs. The thesis takes into account quality in terms of internal structure and mechanical properties. The thesis consists of two parts. The first part is about theoretical analysis of the topic of graphite cast irons with a more detailed discussion of the chemical composition, structure and properties of ductile iron. The experimental part deals with the production of ductile iron on electric arc and induction furnaces with different metall charging. Subsequently, the structures and mechanical properties of the ductile iron produced on these two melting aggregates are compared. An important part of this work is also an economic evaluation, where the proposed variants are compared in terms of metall charging and used melting aggregates.
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Production of lever fuse casting for hose coupling
Tvrdoň, Tomáš ; Myška, Martin (referee) ; Pernica, Vítězslav (advisor)
The first part of this bachelor’s thesis is just a theory and it is focused on producing castings with method of impermanent moulds. You can find here basic classification of moulds and afterwards sand moulds and ceramic moulds are described. The second part is practical and it is focused on a production of lever fuse which defends disconnection of the fire hose when it is under the pressure of water. Lost wax casting was chosen for the production. In this part is described full process from pattern making, gluing to wax tree, covering to metal casting. The whole practical part is accompanied by authentic pictures which were made during the process.
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Secure Communication for Smartphones
Tvrdoň, Tomáš ; Petrlík, Jiří (referee) ; Korček, Pavol (advisor)
This bachelor thesis describes design and implementation of secure SMS application. Other parts of this thesis discuss Smartphone programming interface and cryptographic methods. Application design focuses on user friendly operations with contacts, secure encryption key exchange and intuitive user interfaces.
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