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Micro-turning applications in high precision manufacturing performed by diamond tools
Švorc, Josef ; Dvořák, Jaromír (referee) ; Žídek, Jan (advisor)
Bachelor thesis is focused on micro-turning. The work takes the form of a literary research, which aims to make an overview of the production technology. First, it deals with the definition of the topic itself and with the physical properties and phenomena that occur during micro-machining. Then it discusses the construction of micro lathes and their division into categories and compares them to each other. It also deals with the cutting tools suitable for this machining process and their production and shaping. The last part of the thesis is focused on the application and utilization of micro-turning in industry and on the creation of non-rotational components and micro-structures.
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Pressing the Nuts to Sheet Metal Blanks
Drápal, Michal ; Dvořák, Jaromír (referee) ; Kalivoda, Milan (advisor)
The bachelor thesis consists of the theoretical introduction into pressing the nuts, familiarization with used machines followed by testing and evaluating of outcomes. Pressing the nuts is tested for torque and pulling force. In the practical part of the thesis chosen press nuts will be tested. Objective of this thesis is to find out suitable pressing parameters, which can substitute present unsuitable practices.
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Design of component production using turning technology
Surovčák, David ; Dvořák, Jaromír (referee) ; Sliwková, Petra (advisor)
This work analyzes an existing shaft design and design of a new construction and technology of this shaft for a particular series. It solves the ideal semi-finished product, the choice of a suitable machine for this particular technology, and the choice of tools for this production. The shaft is further checked for ultimate strength. It includes the production process and production guides. For turning technology, I also calculated an economic evaluation.
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Progressive Milling Tools
Koubek, David ; Dvořák, Jaromír (referee) ; Kalivoda, Milan (advisor)
The aim of this work is to create a research on the topic of progressive milling tools, taking into account the actual state of development and milling tools . It also deals with issues directly and milling tools , including basic theoretical and conditions characteristic for this method of machining. It deals with the brief division of instruments from several technological aspects such as design , tooling materials, methods of camping and many others. One chapter is devoted to the method itself and clamping milling tools with a mechanical , hydraulic or thermal clamping system . The last section focuses on the current list of milling tools for surface and corner cutting . These tools were selected from the production of three major domestic and international companies engaged in the production of tools for milling. These companies Pramet Tools sro , CZ Seco Tools and Walter AG.
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New advanced milling tools
Dočekal, Petr ; Dvořák, Jaromír (referee) ; Humár, Anton (advisor)
This bachelor thesis deals with the subject of milling and relevant devices. The first part introduces the essential data about milling, the information necessary for specification of the cutting conditions and the form of milling. It also provides the description of types and labelling of milling machines. The second section centres on the milling device assortment of three companies, specifically on slab mills by WALTER AG, Sandvik Coro-mant, Pramet Tools, s.r.o. The final part of the thesis comments upon the rec-ommended usage scope of the machinery produced by the companies men-tioned above.
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3D FDM printer reprap and parameters of print
Kratochvíl, Tomáš ; Dvořák, Jaromír (referee) ; Zemčík, Oskar (advisor)
This master thesis summarizes the current knowledge about non-commercial 3D printing FDM technology. The goal of this thesis is to demonstrate the gained knowledge by building a 3D printer which can partially replicate itself, and to evaluate its technological parameters. The experimental part of this work is focused on the impact of the changes in technological parameters of printing on mechanical properties of printed parts.
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Technological processes involving manual work
Krucina, Mikuláš ; Dvořák, Jaromír (referee) ; Kalivoda, Milan (advisor)
This bachelor thesis deals with machining and at the same time manual work needed in industrial production. The purpose is to describe in general the machining process and machining technologies of turning, milling and drilling, which are among the machine machining methods. The next part focuses on the characteristics of manual operations in production, especially on measuring, scribing, sawing, filing and cutting. The last part of this topic deals with the production process of plastic windows and doors, related to the manufactured order.
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Comparison of dimensional accuracy of a selected part in 3D printing technology
Basler, Matěj ; Sedlák, Josef (referee) ; Dvořák, Jaromír (advisor)
Thesis is focused on comparison of influence from adjustable parameters on printing accuracy of selected 3D printers. Based on tests on 4 printed models was evaluated, how printers vary in accuracy based on their price and if there is a difference in commercially made printers and those made or modified at home. Tested influence on accuracy was from layer height, printing speed and nozzle size. These parameters were evaluated according to degree of their impact on printing accuracy and printing time.
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Design of MRZ / Messerringzerspaner blade carrier design
Mecová, Kamila ; Sliwková, Petra (referee) ; Dvořák, Jaromír (advisor)
The aim of the thesis is focused on the proposal of a new technological procedure of the blade carrier for use in its own production. Currently, the carrier is manufactured by the German company B.Maier Zerkleinerungstechnik GmbH. The work includes several parts. The first part deals with the component itself, its function and importance, as well as its function in the assembly and the whole machine. In the next part the technological procedure of the blade carrier production is created. Fleet of machines including the necessary tools is also designed. In a separate chapter there is an economic evaluation of the proposed solution in two different variants, a subsequent evaluation and a proposal for implementation.
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