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Component Machining on a CNC Lathe
Nechvátal, Luboš ; Kolář, Ladislav (referee) ; Kalivoda, Milan (advisor)
The topic of the present bachelor thesis deals with the manufacturing technology of a rotary component on a CNC lathe. The main solution offered is a full technological preparation of production of the component "Sealing lid", including a description of the used machinery, equipment and a selection of machining tools for manufacturing. Further, the thesis deals with the NC program for manufacture of the component and a description of how to produce a functional sample of this component. Finally, a technological and economic evaluation of component manufacture is presented. Other solutions include a theoretical proposal of manufacturing technology on an up-to-date multifunctional machining CNC center.
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The Left Board Production
Kubů, Marek ; Kolář, Ladislav (referee) ; Kalivoda, Milan (advisor)
This bachelor thesis deals with the production of the required component at Czech Blades, s. r. o. Includes analysis of the component in terms of possible variants of technologies applicable for the production, including specifically selected machines and tools, which the company owns. Among other things, contains all the technological documentation, which includes technological process, manual for working on milling machine and planing machine, to the product pricing.
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Design of Technology for the Part "Cooler"
Maluška, Martin ; Kolář, Ladislav ; Kalivoda, Milan
The subject of this bachelor thesis is to design technological process of production for "cooler" in the company Kovolit, a.s. In the first chapter is presented the part and described the present technology of production. The second part focuses on proposals of solutions to more efficient production. The last part of the thesis contains technical and economic evaluation.
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New generations of PVD coatings
Kantar, Filip ; Kolář, Ladislav (referee) ; Jaroš, Aleš (advisor)
Bachelor thesis deals with methods of coating, cutting tools and a new generation of coatings. In the first part are listed and described basic coating methods. The next part is aimed on coating of PVD methods. In the third part are listed basic tool materials and their characteristics. The last part is focused on new generation of coatings, their application, properties and structures.
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Online monitoring of machining process
Štěpánek, Martin ; Kolář, Ladislav (referee) ; Fiala, Zdeněk (advisor)
This bachelor thesis describes selected methods of online monitoring of machining process. The thesis analyses functioning of individual methods and their advantages and disadvantages. In connection with described methods of online monitoring of machining process, the bachelor thesis provides an overview of systems available on the market in the Czech Republic.
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Analysis of the coated carbide cutting inserts
Zdráhala, Radim ; Kolář, Ladislav (referee) ; Fiala, Zdeněk (advisor)
Bachelor thesis is focused on the analysis of the cutting and specific cutting forces during face milling of coated and uncoated exchangeable cutting inserts (VBD). The theoretical part deals with the characteristic of the milling process, coating of cemented carbides and last but not least deals with methods for measuring cutting forces. The experiment is described in the experimental part that also includes evaluation of load forces coated and uncoated exchangeable cutting inserts during changes in cutting conditions. Finally is performed the comparison of values coated and uncoated VBD for flank wears and load cells.
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Vibration at turning
Procházka, Luděk ; Kolář, Ladislav (referee) ; Fiala, Zdeněk (advisor)
This thesis deals with vibration which occurs during the cutting process in turning. It describes vibration, types of vibration and its causes. It also provides a basic description of the turning technology. The main part of the thesis is a description of self-excited vibrations, an unwanted phenomena in the turning process, which needs to be eliminated or reduced. The experimental section of the thesis aims to measure natural frequencies of the machine-tool-workpiece system and to create a stability diagram for this process.
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