National Repository of Grey Literature 19 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
Advantages and disadvantages of clamping the workpiece with zero points
Jirků, Kateřina ; Tůma, Jiří (referee) ; Knoflíček, Radek (advisor)
This bachelor's thesis deals with a technical-economic analysis of whether the purchase of zero point clamping system is economical. It compares the advantages of the zero point system both to standard clamping devices and to each other. It also compares brands and their dealers to the Czech Republic. Finally, this technology is evaluated by calculating the return after the application of zero point clamping system on shop floors of Soma Ltd based in Lanškroun.
Use, assembly, operation and maintenance of the UNIMAT 1 Elementary kit
HLAVÁČ, Josef
The aim of the bachelor thesis is to identify the appropriate use of the Unimat 1 Elementary kit in primary school. It also focuses in detail on the operation and maintenance of the kit and is intended to provide useful information for all those involved with the kit. The paper describes the construction of each type of kit, the assembly and disassembly procedure, safety recommendations and last but not least the maintenance of the kit. The second part of the thesis will be devoted to the description of the individual components of the kit and their functions. It will also focus on the practical aspects of the operation of the kit, recommendations for safe work with the kit and examples of its possible use in practice. This work should serve as a comprehensive guide for all those who encounter this product and help them to gain a comprehensive view of its operation and maintenance.
Design of belt grinder
Polnický, Jan ; Tůma, Jiří (referee) ; Pavlík, Jan (advisor)
This bachelor thesis deals with the design of a belt grinder. The first chapter deals with the analysis of grinding technology and research of available belt grinders on the market. In the next section, several variants are described and the most suitable one is selected. The design part describes some details important for the working of the machine. The last part is about checking critical parts by using calculations.
Machining units for mass production of parts
Vašát, Viktor ; Omes, Jiří (referee) ; Dokoupil, Vladimír (advisor)
The bachelor thesis focuses on the issue of processing machine with typified units in mass production. First part of research is introduction about problematics and analysis of current status of knowledge. In next part will be systematically described examples of work units from different companies. In the end is evaluated the current situation from the described and achieved information.
Milling spindle thermal model
Chlapek, Ondřej ; Musil, Filip (referee) ; Hadraba, Petr (advisor)
The aim of this thesis is to create two thermal models (black box and grey box), which would allow to predict the development of the milling spindle temperature, based on measured operating data. The accuracy of both created models was determined by statistical methods, and the models were compared with each other.
Application of augmented reality in maintenance of production machines
Blaha, Jan ; Kroupa, Jiří (referee) ; Tůma, Zdeněk (advisor)
The master's thesis deals with the design of an augmented reality application for production machine maintenance. The thesis consists of two parts: the theoretical and the design part. The first part of the thesis summarizes the subject matter of augmented reality from a general point of view. It also includes an overview of leading manufacturers. The practical part of the thesis deals with application design. It contains the thought process from the database creation to the final prototype. Several possible solutions are listed, and the most suitable one is selected. The conclusion of the thesis contains a discussion of the results obtained, and practical recommendations for future uses.
Volumetric accuracy of machine tools
Máčala, Daniel ; Marek, Tomáš (referee) ; Holub, Michal (advisor)
The diploma thesis deals with the influence of the volumetric accuracy of the machine tool on the size of the assessed work space. The impact assessment was carried out on the basis of tests of a three-axis vertical CNC machining center. The thesis is divided into two parts, theoretical and practical. The theoretical part is focused on geometric / volumetric accuracy of machine tools, measuring technique for measuring geometric errors and Design of Experiment. In the practical part, there is an analysis of the Design of Experiment according to Shainin, description of the work with the measuring instruments and the measurement of the geometric / volumetric accuracy of the machine including statistical evaluation. The output of the thesis is the description of the influence of volumetric deviation on the size of the measured work space by means of statistical methods.
The issue of Ecodesign in the machine tool
Burtsev, Ilya ; Tůma, Jiří (referee) ; Holub, Michal (advisor)
This bachaelors thesis discusses the issues of Ecodesign in the machine tools. The first part of the thesis includes analysis of current legislation requirements in Ecodesign. The second part of the thesis includes researches in Ecodesign and energy efficent components. In conclusion of the thesis described personal recommendation in sphere of Ecodesign.
Rationalization of machining technology
Plančar, Jakub ; Kalivoda, Milan (referee) ; Osička, Karel (advisor)
This diploma thesis is focused on a design of rationalization solutions for machining workplace in Siemens Company. The machined pieces are shafts, the basic components of the electric motors. The introductory part of this study describes the theoretical basics of machining technology, especially milling. The next part is focused on the company presentation, the analysis of the existing workplace and its technologies and components. In the following section are selected weaker production sites, and then is presented opportunities for improvement and rationalization of this workplace. Following the elaboration of the selected rationalization solution, along with techno – economic evaluation of the production change, which highlights the results of this study.
Development stages in CNC machining
Dlouhý, Vít ; Strejček, Jan (referee) ; Kalivoda, Milan (advisor)
This bachelor thesis deals with machining with the use of CNC machines. In the introductory part is outlined a brief historical development of these machines. The following are characteristics associated with machining processes. In the next chapter it is described for machining on the classic conventional machine tools. Followed by the entry of computer technology into the field of machining and its impact. The last theoretical chapter summarizes the capabilities of the current machines CNC machine tools. In the final part is a description of the production of the selected rotational components produced by using CNC lathe.

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