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Technology project for rotate parts production
Čvanda, Petr ; Horák, Jaroslav (referee) ; Rumíšek, Pavel (advisor)
This thesis deals with technological project of production of rotating parts, more design layout of the workplace light machining - turning in the company TOS KUŘIM - OS, a.s.. Workplace design is based on both the requirements of company and the principles of technological design. Part of this thesis is the design of three variants of machines arrangement, which are evaluated. Selected of the best option is further elaborated in detail the calculation of capacity, drawing documentation, and economic-technical evaluation.
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Description of machine tool frames.
Míčka, Martin ; Matějka, Petr (referee) ; Blecha, Petr (advisor)
This work describes the machine tool frames via background research. There are basic requirements for the frames included in this work. It is focusing especially on static and dynamic rigidity. Thereinafter you can find in my work all the ways of making the frames and also the materials which are used during their production. Last but not least I am presenting some examples of constructions single parts of the frame and all the ways of their attachment to the ground.
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Choice of Cutting Tools, Conditions and Machine Tool for Turning of Coil
Skládaný, Jakub ; Torčík, Václav (referee) ; Sedlák, Josef (advisor)
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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Multifunctional machining centers for machining rotating and prismatic parts
Grätz, Tomáš ; ing.Petr Polišenský, TOSHULIN,a.s. (referee) ; Marek, Jiří (advisor)
In this master's thesis is elaborated lay-out, calculations and technical drawings to multi-function machining center. Here is applied solution with vertical carousel combined together with the upper gantry milling machine. The aim of my work is to design a compact milling ram allowing turning and milling in deep slots or next to the tall walls of the workpiece. Furthermore here is elaborated lay-out of automatic tool change with magazine and lay-out of clamping exchangeable milling heads. Emphasis is placed on the manufacturability and reliability of the whole structure.
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Semi Automatic Lathe Machines
Chytil, Jakub ; Blecha, Radim (referee) ; Blecha, Petr (advisor)
This thesis deals with the background research, description and division of semi-automatic lathe machines. One of the thesis’s tasks is to realize the computational concept of a particular machine component. The beginning of the thesis focuses on the principle of lathe turning, the basic calculations, brief description of lathe blades, the main parts of semi-automatic lathe machines, and kinds of semi-automatic lathe machines. There are described machines of contemporary production with their main parameters and manufacturers in The Czech Republic and in foreign countries further on. The final part of the thesis is addressed to calculation of spindle deformation and optimal distance between the Bearings.
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Design of lathe for wood
Kuchař, Tomáš ; Tůma, Jiří (referee) ; Pavlík, Jan (advisor)
The bachelor thesis deals with the construction of a wood lathe. In the thesis market research is carried out, on the basis of which the parameters of the lathe are proposed. Furthermore, it contains a theoretical description of wood machining, selection of the most suitable design for each structural node based on multi-criteria weighted selection, followed by the necessary calculations for the design of the wood lathe and at the end of the thesis the whole design is described in detail. Drawings of selected structural nodes are included in this work.
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Effects of Non-Linear Stiffness on Turn Process Stability in Horizontal Turning Machines
Hadraba, Petr ; Chih-Chun, Douglas Cheng, (referee) ; Kolář, Petr (referee) ; Hadaš, Zdeněk (advisor)
Nelineární tuhost ovlivňuje dynamiku moderních obráběcícho strojů. Důležitým parametrem produktivity obráběcího stroje jsou samobuzené vibrace, které omezuje výkon obráběcího stroje. Tato práce byla motivována průmyslovým případem, kdy chování obráběcího stroje nelze předvídat tradičními metodami a stroj vykazuje významnou změnou dynamického chování. Tato práce krok za krokem představuje analýzu, která byla zaměřena na simulaci samobuzených vibrací a vlivu nelineární tuhosti na výslednou stabilitu chvění. Se zvyšující se složitostí modelu byl představen linearizační přístup, který umožňuje rychlejší analýzu stability obrábění. Pro lepší mapování a tvorbu stabilitního lobe diagramu pro nelineární strukturu je uveden algoritmus syntézy linearizovaných řešení v pracovním bodě. Linearizační přístup byl kombinován s nelineární statickou simulací s ohledem na model nelineárního chování lineárního kuličkového vedení a použit pro predikci chování chvění. Nelineární statický model využívá metodu dynamické kosimulace a substrukturování, aby do analýzy začlenil účinky strukturální deformace. Experimentální zkouška obrábění umožnila porovnat výsledky analýzy a prokázala dobrou shodu s maximálními frekvenčními odchylkami v pásmu 3 Hz.
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Design of a small lathe for wood
Mečíř, Václav ; Tůma, Zdeněk (referee) ; Pavlík, Jan (advisor)
The bachelor's thesis describes the design process of a small wood lathe. The proposal itself is preceded by acquaintance with the issues and technical possibilities of this time. This is related to market research and comparison of individual lathe variants, with respect to the required machine parameters. The subsequent design contains a calculation report in which the transmission system and the spindle design, on which the greatest emphasis is placed, are solved, as it is the most important part of the lathe. Based on the calculation report, a 3D model and drawing documentation is created in Inventor 2021.
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Design of lathe for wood
Kuchař, Tomáš ; Tůma, Jiří (referee) ; Pavlík, Jan (advisor)
The bachelor thesis deals with the construction of a wood lathe. In the thesis market research is carried out, on the basis of which the parameters of the lathe are proposed. Furthermore, it contains a theoretical description of wood machining, selection of the most suitable design for each structural node based on multi-criteria weighted selection, followed by the necessary calculations for the design of the wood lathe and at the end of the thesis the whole design is described in detail. Drawings of selected structural nodes are included in this work.
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