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Machining of stainless steels
Perončík, Martin ; Dvořák, Jaromír (referee) ; Humár, Anton (advisor)
Bachelor thesis is specialized to solving of problems of stainless steels machining. There is carried out the analysis of stainless steels in term of marking, chemical composition, physical and mechanical properties. In the following it deals with analysis of machining, spe-cification of geometry and material of cutting tools and cutting conditions.
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Production of gears model on FDM printer
Frátrik, Michal ; Dvořák, Jaromír (referee) ; Zemčík, Oskar (advisor)
This bachelor thesis deals with an issue of 3D printing of gears. In the first part are concisely summarized processes of 3D printing, selected types of Rapid Prototyping considering the FDM and properties of materials used in this method. The second part deals with a suggestion of gears model based on the gearbox of the kitchen blender. Gearbox was designed in 3D modeling program Autocad inventor 2013 and printed on the Reprap printer Sinuhed. There is techno-economic appreciation of production of the model in conclusion.
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Cutting operation of cover parts.
Kobliha, Lukáš ; Dvořák, Jaromír (referee) ; Kalivoda, Milan (advisor)
In This thesis is elaborated a proposal for the manufacture of specified parts of the cover. The The work contains an analysis of components and analysis of possible technologies usable for the production, including concretely selected machines and tools. Elaborated is also a technological process, manual for to work on a lathe, and the theoretical number of units produced per year, depending on the shift working consumption indexable cutting inserts for turning.
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Production of interior car handle prototype on 3D FDM printer
Kaššák, Marek ; Dvořák, Jaromír (referee) ; Zemčík, Oskar (advisor)
This bachelor this processes the issue of manufacturing of a prototype of handle for the car interior using method fused deposition modeling method. First part of this is dedicated to a brief overwiev of prototype manufacturing using rapid prototyping technology , with FDM 3D printing and materials used by FDM method. Second part is dedicated to design of 3D model using AutoDesk Inventor 2014 software, prototype manufacturing itself, evaluating of construction technologicality and technological-economic evaluation of manufacturing costs.
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Effect of the diameter of the nozzle on the 3D printer print quality
Kutil, Jaroslav ; Dvořák, Jaromír (referee) ; Zemčík, Oskar (advisor)
The matter of this thesis is to find the influence of the diameter of the nozzle on the 3D printer´s print quality. The first part briefly characterizes the Rapid Prototyping technology and describes the RepRap project. The second part describes the construction of the experimental FMD 3D printer. The following section deals with technical printing parametres and their influence on the printed product. The experimental part of the thesis is focused on the impact of the discharge nozzle diameter on the mechanical properties, surface quality and shape accuracy of the final product and on the following recommendations of operational parametres.
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Analysis of piece part production of the clutch unit
Menšík, Jan ; Dvořák, Jaromír (referee) ; Kalivoda, Milan (advisor)
This bachelor thesis deals with piece production of a given component. The purpose of the bachelor thesis is to analyze the existing manufacturing process and to make suggestions for its upgrade in terms of reduction of production costs in repeating piece production. During the bachelor thesis research and writing, an incorrect naming of the manufactured component was detected and a more suitable name was proposed. Suggestions for upgrade of the existing manufacturing process were presented in the company and offered for implementation.
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High-Speed Steel Drills and their Uses
Jaroš, Aleš ; Dvořák, Jaromír (referee) ; Sliwková, Petra (advisor)
This Bachelor thesis, as one can deduct from the title, deals with high-speed steel drills and their uses into practice. The problem of high-speed steel is described step by step from division, chemist to heat treatment. Fundamental features of drilling method and tools that are suitable for drilling are described either. The last part of Bachelor thesis is focused on producers and application of high-speed steel drills to practice.
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Production and sharpening tools produced on CNC tool grinder
Zdařil, David ; Zemčík, Oskar (referee) ; Dvořák, Jaromír (advisor)
The aim of the thesis is to analyze the production of tools on CNC tool grinders. The work includes the introduction of a production machine, a brief overview of monolithic tools and grinding wheels. The most important is the practical part, which is focused on the physical preparation of the tool with suitable geometry for the given application and its subsequent sharpening, the last part is devoted to the economic evaluation of the tool production.
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