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Produktivní obrábění titanových slitin / Productive Machining of Titanium AlloysSlabý, Ondřej January 2012 (has links)
This diploma thesis is focused on a productive machining of titanium alloys. At the beginning it deals about titanium and its alloys. It describes chip generation mechanism, tool blunting and surface quality. Further it contains modern strategies of efficient titanium alloys machining. Then it analyzes contemporary manufacturing technology of hinge made of titanium alloy Ti-6Al-4V in Frentech Aerospace s.r.o. company, and at the end finds possibility of savings by inovation of roughing process.
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Obrábění prostorových objektů pomocí průmyslového robotu / Robot machining of three-dimensional objectsKolář, Bronislav January 2013 (has links)
This diploma thesis deals with the design of robot machining of three-dimensional objects. Used method is Part to tool, in which robot holds the part in its gripper and with stacionary clamped mill, machines the part. Overally three parts for machining are designed, everyone of them shows the different style of machining. Every machining operations are described in details. For their creation was used program Mastercam. Furthermore is described transfer of the data for industrial robot using program Robotmaster and recomanded algorithm for creation of similar tasks. The design of simplified workplace for demonstrative show of the milling of all the parts is also solved.
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Produktivní obrábění titanových slitin / Productive Machining of Titanium AlloysČejka, Libor January 2013 (has links)
The aim of the thesis is to analyze the production costs and optimize cutting conditions for high-feed face milling of titanium alloy Ti6Al4V. In the experiment were changed cutting conditions, such as cutting speed vc and feed speed vf. During the experiment were checked cutting forces by dynamometr. Furthermore, surface roughness and tool wear is observed.
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Tvorba simulačního modelu obráběcího stroje pro určení energetické spotřeby / Design of a simulation model of the machine tool for determining the energy consumptionVespalec, Tomáš January 2015 (has links)
This diploma thesis deals with a design of the simulation model of a CNC machine tool for determining the energy consumption. It describes a design of the mechanical and the electrical model of the CNC machine and a design of the energy consumption algorithm. The result of that thesis is a size of the consummated energy during a machining process.
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Studie obrábění keramických materiálů broušením / A study on the grinding of ceramic materialsKresa, Jakub January 2014 (has links)
This thesis is focused on ceramics materials in terms of their partition, properties, structure, manufacture and methods of their possible machining. The first part of this thesis is devoted to the distribution of ceramics materials, their structure, properties, and methods of production. Currently, ceramics materials are increasingly used in structural (engineering) applications therefore we deal with methods of effective machining of ceramic materials, to achieve part of the required shape, dimensions and surface quality. The evaluation of ceramic grinding test from the point of view of cutting forces and surface quality of the machined faces are presented in the last part of the thesis. The tested materials have been provided by company SEEIF Ceramics a.s.
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Racionalizace technologie výroby forem / Rationalization technology of production formsKalous, Ondřej January 2014 (has links)
The diploma thesis Rationalization technology of production tools is divided into two parts. The first part is focused on injection molding of plastic materials and analysis current status of production injection tools. The second part contains proposal of rationalization steps in the production process and evaluation of rationalization.
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Aplikace technologie drátové elektroeroze / Application of wire electrodischarge technologyBarabáš, Martin January 2014 (has links)
This marter’s thesis deals with the technology of electrical discharge wire cutting. There is described the basic nature of the electrical erosion, EDM principle and WEDM principle. The main part deals with the application of wire cutting in the manufacture pulley 68-8M-130 with a description of technology on the wire cutter Excetek V 650. At the end of the work is devoted to the statistical evaluation of the precision machined surfaces.
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Vliv plastifikátoru na technologii zpracování a vlastnosti slinovaného keramického mateiálu na bázi SiC / On the influence of plasticizer at the technology of processing and properties of the sintered SiC ceramicsSkokan, Jan January 2015 (has links)
This master’s thesis deals with an influence of physical properties and machining technology at adjustment to the basic composition granules and production of technical ceramics. Selected series of experiments have been applied to the different phases of production. Composition of the granules vary according to the used plasticizer and ranks to RTP (ready-to-press) materials. The goal of this thesis is recomendation to the production of RTP granules and next experiments.
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Efektivní obrábění vláknově vyztužených kompozitních materiálů / Effective Machining Of Fiber Reinforced Composite MaterialsSedláček, Jan January 2010 (has links)
The objectives for this dissertation are to push forward the current state of knowledge in the area of machining fiber-reinforced plastic (FRP). The most common machining operation performed on these materials is drilling owing to the need for component assembly in mechanical pieces and structures. Among the defects caused by drilling, delamination appears as to be of the most critical and may occur at both the entrance and exit plane. A number of theoretical and experimental studies have been made to create an analytical model of delamination in composite laminates. In this dissertation, the critical thrust force (force which initiates the delamination) is predicted using linear elastic fracture mechanics - assuming Mode I. Delamination is investigated by studying the evolution of feed force and torque applied by the tool on the workpiece. A four components piezoelectric dynamometer KISTLER 9272 with special PC-software is used for measuring and evaluating of torque and cutting forces, when drilling two different composite materials: carbon/epoxy laminate fabricated by hand lay-up technique and glass/polyester composite made by pultrusion. Wear mechanisms and location of the wear on the tool are also investigated (with respect to cutting material). The tool wear is measured with help of a common workshop microscope and recorded with scanning electron microscope PHILIPS XL30. Drilling experiments are performed to give complex technical information (i.e. cutting conditions, tool geometry, tool wear and so on) which enables efficient machining of composite materials. Delamination-free drilling is given special emphasis in the experiments. Methods of statistical analysis (DOE) are used to determine which factors have the most influence on delamination.
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Volba řezných nástrojů, podmínek a obráběcího stroje pro soustružení cívek / Choice of Cutting Tools, Conditions and Machine Tool for Turning of CoilSkládaný, Jakub January 2016 (has links)
The purpose of work is to provide a manufacturing processes, cutting and machine tools for machining of small parts. The proposals are designed for high volume production with a maximum productivity. The first half is largely nature of the search, which analyzes issue of tools and machines for production of rotary parts. Further proposals are developed manufacturing processes for different types of machines including multi-spindle lathes. The main result of this work is to determine appropriate type of machine for the production of specified parts.
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