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Design of small multifunctional hobby CNC milling machine
Strnad, Jiří ; Holub, Michal (referee) ; Pavlík, Jan (advisor)
This diploma thesis deals with the construction proposal of a small multifunctional modeller CNC milling machine that enables milling of aluminium alloys and 3D printing using the FDM method. Based on the research, analyzes and defined entry requirements the construction proposal is created and verified by calculations. The thesis contains a description of all the construction parts including the printhead, the tool tray and the safety cover. The other part of the thesis describes the machine geometry adjustment and specifies the choice of control system. The thesis includes a 3D model and the drawing documentation of selected structural nodes.
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Automatic application system of protecting corners of palletized materials
Havelka, Michal ; Pavlík, Jan (referee) ; Knoflíček, Radek (advisor)
The diploma thesis is about the design of an automatic application system of edge protection corners to palletized material. As the first the diploma thesis briefly discusses actual principles and solutions in area of palletization. After that, there are 4 potential solutions described and measured by multicriteria evaluation method where the most suitable solution is being chosen. Then the actual act of designing of the chosen solution is described and also there are solved necessary calculations. In the end there is risk analysis of new workplace and the drawing documentation of selected nodes is attached. The diploma thesis’ assignment has been made in cooperation with company PHATEC s.r.o. in Litomyšl.
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The design of a two-axis manipulator
Soják, Vojtěch ; Pavlík, Jan (referee) ; Knoflíček, Radek (advisor)
This master thesis deals with the design of a two-axis manipulator according to entered parameters. In the first chapter provides description of kinematics structures of industrial robots and manipulators and their workspaces. Next parts focus on search in the used components, producers of manipulators and of current design manipulators at JCEE s.r.o. Lanškroun. The practical part deals with the design and construction of custom manipulator and its price calculation.
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Design of vibration table
Tuček, Michael ; Tůma, Zdeněk (referee) ; Pavlík, Jan (advisor)
The main aim of this bachelor thesis is to create a construction plan of vibrating table used for compaction of concrete in molds. First it describes compaction of concrete, after there are listed methods of its consolidation using vibrations. Two variants of vibration drive are created and preferable one is further developed. Individual elements of the structure are designed including their strength analysis.
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Design of a small lathe for wood
Ržonca, Michal ; Tůma, Jiří (referee) ; Pavlík, Jan (advisor)
The main aim of this bachelor thesis is to create design of small woodturning lathe. First part is describing the actual state of modern woodturning lathe and the past. Second part is analysis of pruducts on market. The more possible solutions are created and one of them is chosen. The result is 3D model of lathe with draving and computational documentation.
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Design of gantry CNC milling machine
Ludva, Jan ; Holub, Michal (referee) ; Pavlík, Jan (advisor)
This master’s thesis deals with a design of a portal CNC milling machine. The thesis contains a description of milling machine’s single types, analysis of Czech and foreign market and analysis of basic milling machine’s groups. The work includes calculating of cutting forces and moments of a chosen tool, choice of spindle and design of axe’s drive systems. The thesis also includes 3D model of the chosen variant, it’s by a method of final elements and finally drawing documentation.
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The design of plate horizontal boring mill
Vondrák, Pavel ; Holub, Michal (referee) ; Pavlík, Jan (advisor)
This master's thesis describes a design of horizontal boring mills. The first part is dedicated to description of the various types of these machines and their accessories. There are also described drives and linear guideways. There is a list of plate horizontal boring mills of Czech and foreign producers. The second part of this thesis deals with designing of comlete machine's bed and its slides (X-axis). Casting of the bed and its slides are designed for universal machining to the use of rolling or hydrostatic guideways. The drive of X-axis is also designed and it works in master/slave mode. The final result of this master's thesis is a 3D model of the machine in two variants, with hydrostatic and rolling quideways. Machining drawings of the bed for both variants are attached to this thesis.
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3D FDM printer with built-in feeder of filament
Puchta, Daniel ; Huzlík, Rostislav (referee) ; Pavlík, Jan (advisor)
This thesis deals with mechanical design of FDM 3D printer with a built-in material feeder with monitoring of remaining material. The aim of this thesis is designing the FDM 3D printer with minimum print volume of 200x200x200 mm and with usage of measured data for optimising the 3D printing process. This 3D printer is targeted to the non-experienced users, so the emphasis was on ease of use and reliability of the printer. Despite the fact that it is an innovative design solution, the suitability of the design was verified experimentally as part of this thesis. The choice of the material feeder design, which is essential for the presented thesis, was justified by the realization of prototypes of two suitable designs, from which the optimal solution was chosen. The knowledge obtained from testing the prototypes was then used for the final design of 3D printer. The usage of data for optimization of the printing process is realized by a C++ compatible source code that is a part of this thesis.
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The design of sand mixer with output range 5-12 TPH
Bobkovič, Štefan ; Pavlík, Jan (referee) ; Bradáč, František (advisor)
The aim of this diploma thesis is the structural design of continous mixer with output range 5-12 tons per hour. The work contains a brief description of mixing technology and basic parameters of similar machines. The work is devoted to the design of double-arm sand mixer with a belt conveyor. An important part of this diploma thesis is a 3D model of fundamental parts of sand mixer, as well as its composition. Based on the 3D model is elaborated strenght analysis of selected parts with finite element method. The work is accompanied by manufacturing drawings of selected components and assembly drawing of deposit of mixing blades to the shaft.
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Design of small table saws
Krajča, Martin ; Tůma, Jiří (referee) ; Pavlík, Jan (advisor)
The aim of this bachelor thesis is the design of a small table saw. The first part of this thesis deals with the problematics of the table saws. We can find here described parts of the saw blade, its health & safety and situation on the market. The conclusion of this chapter is de-voted to selections of the design solution. The second chapter is devoted to the computatio-nal documentation. At the end of the thesis there is a visualization of the final solution with description of the individual construction nodes.
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