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Design of linear ball screw actuator for higher axial load
Turek, Lukáš ; Klapka, Milan (referee) ; Koutný, Daniel (advisor)
This bachelor thesis solves the construction of a servomotor with a moving screw for higher axial loads. The aim was to design a servo actuator for an axial load of 25 kN, which can be clamped from both sides. The partial goals were to develop an overview of electro-mechanical servo actuators, to analyze the force ratios, load capacity and service life of the current actuator solution. Further process the calculation and design of the actuator, including drawing documentation of selected components for higher axial loads.
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Suggestion of a workshop lift for garden machines
Kroupa, Martin ; Kašpárek, Jaroslav (referee) ; Hloušek, David (advisor)
This bachelor thesis deals with the design of workshop lifting equipment for garden equipment. The parameters for lifting equipment were set at a load capacity of 100 kg, working table dimensions of 1200x800 mm and minimum working table height of 1200 mm. In the thesis, the static and strength calculation of the mechanism is performed and the drive is calculated, which is realized by means of a motion screw.
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Try-out press with motion screws
Švoma, Jan ; Tůma, Zdeněk (referee) ; Omes, Jiří (advisor)
The aim of this thesis is a complex design of the spotting press with a nominal force of 500 kN, which is intended for mating of the both halves of pressing tool for the automotive industry. The press ram is fitted with a hydraulic mechanism which allows the upper clamping board to be tilted in range of 0° -180° and removed from the working space of the press along a profile track. The lower clamping board is a part of moving bolster, which is equipped with a mechanism for lifting and centring. The concept of motion screws is used to drive the ram. Motion screws are mounted in a multiple-part frame and driven by servomotors. The thesis contains background research of the issue, solutions of the main design nodes of the press including calculations, detailed 3D model of the device and partial drawing documentation.
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Try-out press with motion screws
Švoma, Jan ; Tůma, Zdeněk (referee) ; Omes, Jiří (advisor)
The aim of this thesis is a complex design of the spotting press with a nominal force of 500 kN, which is intended for mating of the both halves of pressing tool for the automotive industry. The press ram is fitted with a hydraulic mechanism which allows the upper clamping board to be tilted in range of 0° -180° and removed from the working space of the press along a profile track. The lower clamping board is a part of moving bolster, which is equipped with a mechanism for lifting and centring. The concept of motion screws is used to drive the ram. Motion screws are mounted in a multiple-part frame and driven by servomotors. The thesis contains background research of the issue, solutions of the main design nodes of the press including calculations, detailed 3D model of the device and partial drawing documentation.
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Animation of force relations on power screw
Jonáš, Tom ; Klapka, Milan (referee) ; Hartl, Martin (advisor)
The bachelor thesis deals with creating animations in program Cinema 4D. The animations show what forces are generated during nut movements along the moving bolt, also show self-locking conditions and geometry between forces. These animations will be used for educational purposes for students, for a better understanding of the issue, and for a better idea of spatial distribution of forces. The thesis describes the software environment and the process of creating particular animations.
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Design of small table saws
Stuchlík, Petr ; Vetiška, Jan (referee) ; Pavlík, Jan (advisor)
The main aim of this thesis is the engineering design of a small table circular saw according to the specified parameters. At first, the types of machines available on the market are named and analyzed in detail. Afterwards, the engineering design of the machine is created. The following part is concerned with the individual parts,, tilting of the saw blade, maximum cutting pull through linkage with motion screw and checking of deformation of he critical parts of the machine. The previously specified motor guerantees the power. The fundamental parameter is the functionality of the construction and its cutting conditions. The thesis also includes drawings of selected parts.
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Transmission of Linear Pneumatic Cylinder
Bedeč, Csaba ; Mazal, Pavel (referee) ; Nevrlý, Josef (advisor)
The main subject of this bachelor's thesis is analysis and design of a mechanism for converting linear motion to rotary swinging motion used as door drive in the buses. The first part contains analysis and application of the applicable types of mechanisms. The work contains analysis and design of a cam-type mechanism in the second part. The analysis of the designed variants and selection of optimal parameters of the proposed mechanism is the last part.
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Proposal of the Plastic Overload Clutch
Ujčík, Martin ; Mrázek, Dušan (referee) ; Samek, František (advisor)
The bachelor thesis describes the proposal of the geometrical change on the sliding holder which is ensuring adjusting of the headlamp in to the correct position. It means a change of geometrical concept. Proposed geometry overtakes the security function of the overload clutch witch ensured in current solution additional part. Proposal was created in CAD System Catia. Function of the solution was tested with finite element method in SimDesigner program and with the evaluation of measuring of prototype part.
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Design of printed circuit boring machine
Vondrák, Pavel ; Synek, Miloš (referee) ; Blecha, Radim (advisor)
The aim of this bachelor thesis is to show possible constructional solution of CNC boring machine. The design describes construction of frame, linear motion system and feedworks. Then are chosen suitable motors, their operating and machine spindle. In conslusion is made costing of final price of described boring machine. The part of the thesis is also a design documentation.
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