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Production of Knives
Suchý, Jan ; Kalivoda, Milan (referee) ; Polzer, Aleš (advisor)
This theses deals with cold weapons topic. The first part describes historical development of European swords and weapons originating from them. Further on the thesis presents material analysis and comparison of steels used for cold weapons production. It also shows different production methods including a brief note about the difference between forged and gringed blade. Then the thesis outlines differences among various blade shapes and how these shapes define their cutting characteristics and usage. The closing part of the thesis deals with blade geometry and grinding technology.
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On the digitizing and modeling of real surfaces for machining
Šnejdar, Martin ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
This bachelor thesis deals with the procedures of the digitizing and modeling of real surfaces for machining. The work includes technological procedures and individual phases of the process leading to acquisition of resultant surface. The aim of this work is familiar with the procedures and phases in reverse engineering, which is demonstrated on a particular example using the Mathematica software.
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Spline trajectory in 5-axis milling
Ohnišťová, Petra ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
The aim of this work is an introduction to the five-axis milling with polynomial trajectories. Part of this thesis is a description of the entire process of the forward engineering, a definition of different methods of trajectory generation, a basic mathematical description of the machined surface and generating a CNC program for five-axis machining centre with the Heidenhain control system.
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Modular outputs from exhaust canals
Dostoupil, Jiří ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
The project aims to design the ideal, fully functional version of a modular outlet for the ABB company, residing in Brno, Vídeňská street. After designing the modular outlet, I will proceed to draw up bills of materials for individual segments. A bill of materials will be drawn up based on previous considerations and corporate conventions. Furthermore, I prepared the grandwork for an SAP configurator and I also established the technological procedure in accordance with the machines used in the ABB company.
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On the turning of spring steels
Ciba, Martin ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
This bachelor thesis deals with turning of spring steels focusing on the application of higher cutting speed and modern cutting materials. It comprises an experimental exercise Quick stop of tool, designed to analyse the process of a chip formation of the specimen of a disc spring.
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Application of measuring probes in machining process
Vrzal, Jan ; Kalivoda, Milan (referee) ; Polzer, Aleš (advisor)
This bachelor thesis is focused on measuring methods in process of machining. The object of this work is making summary of measuring methods. The thesis consists of two parts. First part focuses on measuring means for the inspection and the measuring outside the machine tool. The second part provides summary of application of measuring probes, which are used directly in the machine tool.
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Sinumerik tools for programming of CNC machine tool
Chytil, Tomáš ; Sámelová, Vendula (referee) ; Polzer, Aleš (advisor)
The bachelor thesis focuses on the usage of possible ways of the Sinumerik system for programming of the form of the drop forging. The first part of the thesis contains of the characteristics of the part and its function in the composition. In the second part there is all the proper visual documentation. The following parts of this piece of work is devoted to the history and specification of the Sinumerik control system and a suggestion on how to make a forging die.The next part is contributed to the possible ways of how to produce a form in the Sinumerik system. The final part deals with the very formation of the programme and its graphic simulation.
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Inventor and PowerMILL tools for 3D machining
Přibilík, Tomáš ; Sámelová, Vendula (referee) ; Polzer, Aleš (advisor)
This bachelor thesis is focused on possibilities of usage of geometric models of work-holders created in CAD software Autodesk Inventor for more effective work with CAM software PowerMILL. Content of this thesis are basic informations about CAD/CAM technologies, creating a database of work-holders and tool-holders, demonstration of creating a work-holder, demonstration of creating a tool-holder and in conclusion a verification of possibilities of created work-holders and tool-holders in use of software PowerMILL.
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Milling of Thin-Walled Parts for Aircraft Industry
Lekeš, Jonáš ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
Bachelor thesis deals with materials used in the aircraft industry, then theoretical analysis and prediction of deflection of plate and tool when machining a thin-walled piece. Then it describes an NC error compensation method, which define and minimizes a part deflection with use of three dimensional cutting force model and modeling of part and tool. Final part is about practical experiment where different computational and measuring techniques where applied to determine a part deflection.
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Modern cutting finishing methods and their use
Vičar, David ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
This thesis deals with a summary of today's methods of finish machining and their inclusion in modern engineering production. It primarily focuses on technological characteristics of some basic methods - conventional and also unconventional. Furthermore, the thesis deals with machinery and tools used in these technologies, the advantages and disadvantages of various methods and their achieved parameters.
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