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CNC Machine in Condition a Firm and its Economic Evaluation
Kollár, Adam ; Kollár, Peter (referee) ; Kalivoda, Milan (advisor)
The aim of bachelor’s thesis is analyze of the application of the CNC machines for the production, target to the economical effects of the machining process and compare with conventional technologies. After studying proper literature and becoming familiar with the production of the CNC machines in COLAR Ltd. Company, is finding out economical parameters of CNC machine for piece and serial production of the chosen part.
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A new technology of a machined part
Záveský, Zbyněk ; Kolář, Ladislav (referee) ; Píška, Miroslav (advisor)
This master’s thesis is focused on CNC machines. It deals with the characteristics, description, coordinates, advantages and disadvantages of the CNC machines and utilization of the CAD/CAM software. The next part of this thesis deals with the suggestion for choosing the best technology for milling slots. Milling strategy, cutting processes and cutting conditions are described in this part as well as all the issues concerning the manufacturing of the milling slots.
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Process fluids in machining operations
Vondra, Róbert ; Osička, Karel (referee) ; Kalivoda, Milan (advisor)
This bachelor thesis deals with a process fluids. The first part of the thesis characterizes the fundamentals of machine cutting with the use of the process liquids. Further, there are described the functions of the process fluids and the individual technological requirements placed on the liquids, along with their advantages and disadvantages. The following chapter deals with a specific range of process fluid manufacturers in the world. At the end of this thesis, a use of process fluid in practice is illustrated. CNC grinding machine was used, in order to machine the spiral shape of a micro mill.
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Production of "flange" components on CNC machines
Černý, Marek ; Trčka, Tomáš (referee) ; Kalivoda, Milan (advisor)
This bachelor thesis deals with the production of flange type components on CNC machines. The flange function in the tank assembly is described here. The work includes choice of material, choice of semifinished product and proposal of machinery for production. Also, there is a technological process and NC programs for various control systems. Finally, a prototype is produced, which is then evaluated.
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Analysis of the minute cost rate for CNC machines
Kubiš, Richard ; Humár, Anton (referee) ; Píška, Miroslav (advisor)
This master’s thesis is focused on analysis of the minute cost rate for CNC machines. It describes cost inputs and a way of including them in the minute cost rate. Further describes creating of mathematical model, minute rates for entire CNC machine and possibilities of using of the minute rate for optimalisation. It points out that no general calculation method is existing and that there are problems with creating certain minute rate and need of individal approach.
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A design of new production technology of a specified part
Paška, Josef ; Dvořák, Jaromír (referee) ; Sliwková, Petra (advisor)
This diploma thesis focuses on the design of new technology for the production of a given part by company Poppe + Potthoff s.r.o. The thesis is divided into three parts. The first part is a theoretical analysis of individual operations that are necessary for the production of the given part. The second part deals with the analysis of the current technological process of production. In the third part, a new technological process is proposed. In the end, there is a technical and economic evaluation performed, where both variants are compared.
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Draft of spacer production technology
Zíka, Marek ; Fiala, Zdeněk (referee) ; Jaroš, Aleš (advisor)
The diploma thesis deals with the design of a new technological process for the production of a spacer ring with a diameter of 212 mm in cooperation with the company Meopta – Optika, s.r.o. The production of this component according to the current process does not comply with the prescribed geometric tolerances of flatness of the face and radius runout with a tolerance field size of 0.005 mm. The work is a detailed analysis of the specified component and describes the current technological process, including the machines on which the spacer ring is manufactured. Based on the knowledge gained from the analysis of the current process, a new technological process was created. During the production according to this process, some geometric tolerances were also exceeded, but the values exceeding the prescribed tolerance field were significantly reduced. The department of production technology found the results to be sufficient and the spacer ring will be produced according to the new technological process. In the last part of the work are the costs of production of components according to both processes.
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