National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Renovation of casting molds by laser cladding technology
Cicha, Tereza ; Kubíček, Jaroslav (referee) ; Mrňa, Libor (advisor)
The diploma thesis deals with study of laser cladding technology and possibilities of its use in renovation of casting molds made of hot-work tool steel. The theoretical part describes methods of laser cladding, testing methods and characteristics of the base material and its heat treatment. In the experimental part the test clads, and the metallographic samples were made. The samples were evaluated in terms of macrostructure and microstructure, especially clad geometry, dilution, and defects like pores and cracks. Microhardness was also measured. In conclusion a technical and economic evaluation was performed.
Production of gear wheels with using dividing head
Cicha, Tereza ; Slaný, Martin (referee) ; Jaroš, Aleš (advisor)
The aim of this work is to characterize the production of gear wheels with using dividing head and also to produce the gear wheel by this method. The theoretical part of the bachelor thesis contains an overview of the machining methods for the production of gears and their characteristics. Theoretical chapters also contain a detailed description of the the production of gear wheels with using dividing head and materials used for the production of single gear tooth cutters. The aim of the practical part is to design, calculate and produce the gear wheel with using dividing head. The conclusion of the thesis is the overall summary and evaluation of the calculated data.

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2 Cícha, Tadeáš
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