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Technology of product machining on CNC machines
Brázda, Jiří ; Kalivoda, Milan (referee) ; Osička, Karel (advisor)
This diploma thesis deals with a technology of production milling of sample component “ending of generator shaft” by CNC milling in environment of small company. At first common aspects of CNC machines, technology of CNC milling and technology of construction are introduced. Possible problems with milling of sample component are analyzed and their possible solutions are presented. Next technology of CNC milling with operating program for CNC lathe (HAAS SL20) and CNC milling machine (HAAS VF3), production of component in small company with necessary documentation in technology procedure are projected. Using of operating systems HAAS, Fanuc and HEIDEHAIN are compared. Using of cutting tools and cutting condition for component milling is projected. Finally timing of operations and financial calculations necessary for small production of sample component is proposed.
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Effective milling tools
Paseka, Petr ; Osička, Karel (referee) ; Humár, Anton (advisor)
The topic of this bachelor thesis are effective milling tools. First chapter is focused on description of the basic milling characteristics. Distribution and description of milling tools from the point of view of their construction, material, use and labeling is in the second chapter. Last chapter contains selection of three types of milling tools and cutting materials from two important producers and their comparison. The types of milling tools are face milling tools, radial slot milling tools and shoulder milling tools. The home producer is Pramet Tools s.r.o and the world producer is Sandvik Coromant.
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Technology solutions with a CNC machine
Baklík, Lukáš ; Osička, Karel (referee) ; Kalivoda, Milan (advisor)
Bachelor thesis deals with the production of rotary component (master shaft). In the first part is selected suitable semi-product for the specified component, followed by the assignment of production machines and choise of the appropriate tools. Covered is a technological process, capacitive calculation of VBD and energy consumption including respect for the ecology of production. In the next part the NC programs are created in the control systems called Yasnac and Heidenhain iTNC 530. The final part is devoted to the production of the specified component.
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Draft of pin production technology
Hrdlička, Martin ; Osička, Karel (referee) ; Jaroš, Aleš (advisor)
The Master's thesis, written during the study of M-STM Manufacturing Technology and Management in Industry, is focused on the concept of the production technology of a pin. The thesis includes a description of forming and machining technology in terms of possibilities of their application in the production of the pin. Furthermore, by comparing both technologies and preliminary economic evaluations of production, it leads to the choice of the production method. This production method is then described, and the description contains the production process steps including the creation of the CNC program. The conclusion of the thesis is devoted to the technical and economic evaluation of the production concept.
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Electroerosion wire cutting of technical ceramics
Habovštiaková, Mária ; Mouralová, Kateřina (referee) ; Osička, Karel (advisor)
The presented diploma thesis deals with the issue of wire electrical discharge machining of SiSiC ceramics. The first part explains the principles of electrical discharge machining, describes the WEDM technology and presents the properties of the advanced ceramics. The second part consists of a detailed analysis of the cutting process of eighteen samples obtained with systematically changing process parameters. Based on the obtained results from EDX analysis, SEM electron microscopy and topography there was performed an analysis of the influence of process parameters on the cutting speed, surface roughness, kerf width and number of wire breaks with usage of the selected brass cutting wire. From the evaluated results it was possible to select a combination of parameters that ensured a stable machining process.
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Rationalization of production technology body
Dostál, Martin ; Chladil, Josef (referee) ; Osička, Karel (advisor)
In the introductory part of the thesis, there is a description of machining technologies used in the production of body. This is followed by a detailed analyse of the current technology of production of this component with an emphasis on finding its problematic parts, including a proposal of the options of the rationalization. After the methods of rationalization assesment, a new technological process was developed and the alternative tools were proposed. Considerable time and money savings were achieved by this rationalization. In the discussion section, there were designed some options of solving problems arising during the installation of this rationalization into working.
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Finishing milling of accurate surface
Šimonek, Ondřej ; Kalivoda, Milan (referee) ; Osička, Karel (advisor)
The aim of this work is to find a suitable cutting tool and suitable cutting conditions for the production of hydrostatic surfaces of a crossmember with the quality of the surface structure of Ra 0.8 mm. The technology described in the thesis deals with finishing hydrostatic surfaces by milling, with the quality of the surface structure of Ra 0.8mm. As the production method cutting operations using CNC machines is used. To assure the quality of the surface insert tools are used, which are selected and evaluated based on experimental testing from six different suppliers. The technological process of production solves the problem of the hydrostatic surface production from the first gripping all the way to the final manufacture of the surfaces.
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Automation of machining of the aluminum castings
Filistein, Jakub ; Prokop, Jaroslav (referee) ; Osička, Karel (advisor)
The diploma work focuses on designing an automated machining, finishing and assembly line. Described in the chapters are the current technology of production, suggestions, the choice of a new solution and a technological-economical evaluation including capacitive and costs of running the production line and a comparison with the current technology. The result is proof that the return of the investment is roughly in one third.
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