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The proposal of advanced production technology of steel molds
Opršál, Radek ; Prokop, Jaroslav (referee) ; Kalivoda, Milan (advisor)
The bachelor thesis deals with the modernization of steel mould production in the company P-D Refractories CZ a.s. The thesis focuses on the analysis of current production technology, determination of the bottleneck in production, and the analysis of the possibilities of modification of current technologies. The last part of the thesis proposes the most optimal methods of solution, introduces the technical procedure modified for the new solution and presents the evaluation of the data.
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Optimization of tool cutting geometry for high-speed machining of thin-walled parts
Barcuch, Jakub ; Humár, Anton (referee) ; Píška, Miroslav (advisor)
The theoretical part of the thesis deals with materials used in the aircraft industry with a focus on aluminium alloys. Then it describes high speed machining, its characteristics and its comparison with conventional machining. The following chapters describe strategies of machining thin-walled parts and a description of vibration that occurs during machining. The practical part deals with selection appropriate tool geometry, machining of thin-walled parts and evaluation of their deflection during machining.
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High-speed Machining of Bearings from Material 100Cr6
Tropp, Pavel ; Osička, Karel (referee) ; Sedlák, Josef (advisor)
This Master's thesis deals with the issue of high-speed turning of the 100Cr6 material. The aim is to identify and experimentally validate an innovative production process for a particular component. The thesis includes theoretical basis of high-speed machining, analysis of the current state of the manufacturing process, innovation design and experimental verification. At the end of the thesis, parameters of the machined surfaces of specimens are evaluated.
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Design of milling machine spindl
Imrich, David ; Pavlík, Jan (referee) ; Blecha, Petr (advisor)
The subject of this bachelor’s thesis is design of milling machine spindle. The first part of this thesis includes recherche of milling machines and their spindles used novadays. The second part includes the choice of spindle technical characteristics, necessary calculations and structural design. 3D model of spindle made in Autodesk Inventor 10 Professional, assembly drawing and bill of material are parts of suplement.
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Description of machine tool spindles
Lábus, Miroslav ; Opl, Miroslav (referee) ; Blecha, Petr (advisor)
This study describes the types of spindles used for HSC machine tools. Its introduction focused on the main issue of high-speed cutting whose characteristic make demands for machine tools and for tools used for this technology. After specification of basic terms and demands for spindles the study concerns structure of HSC spindles especially ways of placing and driving as well as balancing and cooling. Furthermore the study includes summary of producers. Conclusion of the study covers brief recapitulation of exhibition EMO in Hannover 2007 and focused on developing trends regarding spindles.
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High Speed Milling of Aluminum Alloys for Aircraft Industry
Pazdera, Lukáš ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
The aim of this paper is a complex analysis of the high speed cutting in the aircraft industry. The paper studies especially the machining of aluminum alloys, which are characterized in the first part. We can find in next chapters a view on the high speed cutting from aspect of the chip formation, the force load and the machined surface roughness. The end of the paper is focused on the issues of the CNC, machining of typical aircraft shapes and description of roughing paths, which increase the productivity.
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Production of an Injection Mold.
Jílek, Bohumil ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
This thesis is focused on a production of injection molds. It contains some analyses of the various parts of the injection molds, a description of their functions and the possibility of structural design. A summary of existing technologies for the production of these molds, their advantages and disadvantages is included. This thesis deals with design of the component parts for injection of plastics, strategy of machining and a simulation of machining.
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Stroje pro vysokorychlostní obrábění
Šlajs, Zdeněk
This bachelor thesis deals with the concept of high-speed machining (HSC) and with the characteristic features of this modern chip machining method. The aim is to briefly explain the use and technological aspects of the technology. The first part of the bachelor thesis explains the basic terms of chip machining necessary for understanding the relevant issue. It also explains the principles and compositions of numerically controlled machine-tools. The next part explains the differences between high-speed and conventional machining. It focuses on the characteristics aspects of high-speed machining and its cutting conditions. The part of bachelor thesis is also treatise on the use of HSC machining centers. There are the advantages and disadvantages summarized at the end.
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High-speed Machining of Bearings from Material 100Cr6
Tropp, Pavel ; Osička, Karel (referee) ; Sedlák, Josef (advisor)
This Master's thesis deals with the issue of high-speed turning of the 100Cr6 material. The aim is to identify and experimentally validate an innovative production process for a particular component. The thesis includes theoretical basis of high-speed machining, analysis of the current state of the manufacturing process, innovation design and experimental verification. At the end of the thesis, parameters of the machined surfaces of specimens are evaluated.
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