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Description of linear feed systems of machine tools
Kocanda, Petr ; Pavlík, Jan (referee) ; Blecha, Petr (advisor)
The Work contains a detailed description of parts forming the linear displacement system of machine tools. The Work is also focusing on several producers who deal with this issue. High attention is paid to the merits, qualities and methods on how the making of single machine parts is solved; this is described both from the design and process viewpoints.
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Design of the gantry CNC milling machine with sliding table
Kolář, David ; Holub, Michal (referee) ; Pavlík, Jan (advisor)
This master’s thesis is focused on design of gantry CNC milling machine with sliding table. Thesis includes the review of components of this machines and comparsion of their options. Servo motors , ball screws and linear guides parameters are calculated. Also the suitable software and hardware for the machine control is chosen. Main parts of the machine were analysed using finite elements method. 3D model, drawings and documentation of machine build are included.
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Design of dedicated manipulator for automatic tool change with the three cam generator duty cycle
Bláha, Pavel ; Pavlík, Jan (referee) ; Kolíbal, Zdeněk (advisor)
This thesis deals with the design of a single-purpose manipulator for automatic tool changing with a three-cams generator of the working cycle. At the beginning of the paper, general background information about tool trays and manipulators for the change of tools is briefly described. The scheme of the kinematic manipulator is proposed in this work as well. The thesis also includes the calculation of the shapes of the grooves in the cams. The result of this work is the design of the manipulator, including an animation of tool changing.
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Design of cartridge spindle for turning machines
Žádník, Lubomír ; Tůma, Jiří (referee) ; Pavlík, Jan (advisor)
The diploma thesis deals with the design of a built-in headstock of a turning center. The aim of the work is the design of a spindle for machines up to 10 kW. The spindle is driven by a two-speed gearbox and a belt drive. In the introduction, the work deals with the description of individual parts of the turning headstock. A design proposal is performed, accompanied by a number of technical calculations. The result of the work is a 3D model, drawing documentation and calculation report.
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Design of tool turret for CNC lathe
Velič, Samuel ; Pavlík, Jan (referee) ; Tůma, Jiří (advisor)
Bachelor thesis describes the design of tool turret for CNC lathe and is divided into the search, computation and construction part. The purpose of the search is to introduce the reader to the issue of automatic tool exchange. It also describes the actions that the turret has to handle and the mechanisms by which these actions are performed. The calculation part deals with the diameter of the shaft of system, specified minimum torque characteristics of the drive and the design bearings of the system. The construction part is based on the computations. Using the data obtained from the computational part is according to the norm DIN 8869 designed the 3D model of the turret, type disc, which is completed with drawing documentation of selected parts.
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Design of additional grinding spindle for universal lathe
Denk, Marek ; Pavlík, Josef (referee) ; Pavlík, Jan (advisor)
This bachelor’s thesis deals with the design of an additional grinding spindle for universal lathe. The first part is a research focused on the problematics, especially on the basic parts of the spindles and their proper function. The second part includes preliminary proposal, necessary calculations and valorization of the final solution including an analysis of constructional, technological and economical aspects of the grinding spindle and all assembly. This thesis also includes a 3D model created with Autodesk Inventor Professional 2015 and drawing documentation.
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Design of special extruder for 3D printing
Maňák, Juraj ; Vetiška, Jan (referee) ; Pavlík, Jan (advisor)
The bachelor thesis focuses on the design of a print head for 3D printing of cement mixtures. The work discusses current 3D concrete printing technologies, concrete transport options, and the properties of concrete mixes and admixtures. Next, three conceptual printhead solutions and two shaft bearings are proposed. Using multi-criteria analysis, the resulting variant is selected and it is structurally processed. The designed printhead allows continuous printing and mixing of the cement mixture and admixture of the setting accelerator.
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