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Morphology of defects and wear of coated cutting tools
Forejt, Miloslav ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
The thesis focuses on the morphology of defects and cause of wear in coat cutting tools, the description of the chip formation and its effects on the machined area. The experiment drala with the description of the chip form in connection with the cutting properties, type of tools, wear in removable parting cutting tips and the comparison of cutting tips from two leading manufacturers.
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Milling tools for CNC machine tools
Vampola, Lukáš ; Forejt, Miloslav (referee) ; Humár, Anton (advisor)
In this bachelor’s thesis are described milling tools for CNC machine tools. The first part is target the CNC milling machines and CNC machining centres. The main set eyes on tool holder magazines and type of tools for CNC machine tools. In next part of thesis are described milling tools. Description and partition are performed in light of construction, marking, tool materials and using. There are wrote advantage, disadvantage and using tools or material for tools. Re-placeable cutting edges from sintered carbides are most used for milling on the present. Pivotal part of bachelor’s thesis is attended to range of products for milling from renowned producers. I chose Sandvik Coromant and Pramet Tools from many notable concerns.
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The setting of unconventional method of water jet in technological process
Kunhart, Josef ; Forejt, Miloslav (referee) ; Osička, Karel (advisor)
In terms of needs of practice, material slicing is one of the first operations at manufacture or fabrication. During the slicing process different conventional and non-conventional methods are used. Among the basic non-conventional methods is water jet cutting of two types: Abrasive Water Jet cutting (AWJ) and Water Jet Machining (WJM). This method is used in the technological process also for cutting devices of unique shapes and diverse materials
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Cutting forces when milling fibre reinforced composites
Martének, Libor ; Forejt, Miloslav (referee) ; Humár, Anton (advisor)
The thesis is focused on composite materials with a view to their classifi-cation, identification, usage, current trends in production and development and possibilities of effective machining. As a part of this thesis, there is an evaluation of experimentally measured values during technological testing of milling of a fibre reinforced composite with a polyester matrix reinforced by fiberglass. The technological testing was performed with a view to measure certain values, i.e. impact on machined material, working conditions for a tool and its abrasion equal to the values of components of cutting force. From the values obtained from the testing, a general analysis of cutting force when milling was created containing overall technical and economical evaluation.
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Contactless measurement of surface temperatures in mechanical engineering
Gorčica, Jakub ; Forejt, Miloslav (referee) ; Polzer, Aleš (advisor)
This diploma thesis is focused on the theory of contactless measurement of surface temperatures with thermovision camera Flir SC2000 and on the principles of imaging the camera is based on. The tablets and the applications making work with camera easier are processed in the Visual Basic in practical part. The stand for fine taking emissivity is compiled and described, and emissivity of different materials and different milling cutters is taken in this diploma thesis.
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Uncoated cemented carbides
Pavlovský, Tomáš ; Forejt, Miloslav (referee) ; Humár, Anton (advisor)
This bachelor thesis deals with uncoated cemented carbides, which are used for the manufacture of cutting tools. There is an overview of the most frequently used tool materials in the first chapter. The second chapter describes sorting, marking, properties and production of uncoated cemented carbides. The third chapter is focused on products of Pramet Tools, Sandvik Coromant and Ceratizit.
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Contactless measurement of surface temperatures in mechanical engineering
Gorčica, Jakub ; Forejt, Miloslav (referee) ; Polzer, Aleš (advisor)
This diploma thesis is focused on the theory of contactless measurement of surface temperatures with thermovision camera Flir SC2000 and on the principles of imaging the camera is based on. The tablets and the applications making work with camera easier are processed in the Visual Basic in practical part. The stand for fine taking emissivity is compiled and described, and emissivity of different materials and different milling cutters is taken in this diploma thesis.
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