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Design of belt grinder
Bartuněk, Jiří ; Tůma, Zdeněk (referee) ; Pavlík, Jan (advisor)
The aim of this bachelor’s thesis is to design a general-purpose stationary belt sander. Current knowledge and a working principle of a belt sander is delineated in the introduction. Furthermore, all possible methods are shown, one of which is selected as the most convenient. That design is further compiled as a 3D model with a calculation report attached.
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Energy savings in pneumatic systems operations
Klement, Jakub ; Tůma, Zdeněk (referee) ; Knoflíček, Radek (advisor)
Master’s thesis deals with energy savings in the operation of pneumatic systems. In the first part, the elements used in pneumatic systems are described and the theory of energy saving is researched. As the thesis is written in cooperation with SMC company, it also analyses energy saving audits carried out by this company. The practical part contains the results of measuring of selected most common problems related to energy waste and their application on a sample example. The practical part also includes documentation for further training of design engineers and a 3D model of a tutorial panel.
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Safety sensors in industrial application
Mrkva, Tomáš ; Tůma, Zdeněk (referee) ; Blecha, Radim (advisor)
The aim of this bachelor thesis was to create an overview of offered safety sensors used in automated operation. The sensors are sorted according to the technology they use for their function, is shown the principle of their function, the design variants and ultimately their advantages and uses. The work is divided into three parts. The first part deals generally with machine safety, risk assessment and security level. In the second main part, an overview of individual sensors is processed. The last part slightly touches on the issues of basic control systems.
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Design of grinder for sharpening of knives woodworking machinery
Havlíček, Ondřej ; Tůma, Zdeněk (referee) ; Pavlík, Jan (advisor)
The aim of this bachelor thesis is design of semiautomatic grinder of planing knives of woodcutting machines. Work contains description of grinding technology, especially front grinding. There is a focus on comparison of different types of grinding machines, which are currently available on the market. This work choses the most convinient, which is improved with some details. Work contains technical report and calculations and also contains chosen technical drawing documentation. This grinding machine is designed as affordable for private purposes.
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Design of clamping device for tubular conductors
Schaffelhofer, Igor ; Tůma, Jiří (referee) ; Tůma, Zdeněk (advisor)
This bachelor thesis is focused on design of clamping device, which is a part of welding positioners for welding of aluminum tube conductors in ABB company. In the theoretical part, there are individual requirements of clamping devices with examples of their applications. The practical part is focused on the design of individual parts that meet the requirements for tube conductors and the functionality of the clamping system for arc welding of alluminium alloys.
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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 for testing device used to measure air leakage from linear pneumatic actuator
Kurillová, Katarína ; Tůma, Zdeněk (referee) ; Vetiška, Jan (advisor)
This thesis is focused on detecting air leakage in serial production of pneumatic linear actuators. Testing for air leakage is an important part of the production process in which the manufacturer ensures that the product satisfies quality requirements and works correctly. The thesis was created in collaboration with the Czech manufacturing plant of SMC Industrial Automation CZ s.r.o., which produces pneumatic actuators. Goal of the design part of the thesis is to select the most effective method for testing and finding universal principle for testing in specified conditions. The principle is then applied to design a testing device for the CQ2 cylinders. The testing device consists of three parts - pneumatic circuit, control circuit and electric circuit. Thesis conclusion contains comparison of the newly designed testing device with the device currently in use.
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The automatic tool change system
Kučerová, Veronika ; Tůma, Zdeněk (referee) ; Blecha, Radim (advisor)
Automatic tool change is one of the key ways to reduce unproductive machine times and increase machine productivity. This bachelor thesis deals with the topic of automatic tool change. A research is made of the current state of the topic and the subsequent division into individual categories.
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Assessment of workplace production line
Bařinka, Martin ; Knoflíček, Radek (referee) ; Tůma, Zdeněk (advisor)
The aim of this bachelor thesis is to evaluate the current state of knowledge in the design of production lines and assessing the selected production line. The theoretical part of the thesis is focused on the characteristic of production as a key proces in the company and the description of how to construct the design of the production system, the familiarisation with the essence and selected tools of lean manufacturing and ergonomics as a discipline occupied with adaptation of working conditions to a person’s performance capabilities. The practical part of the thesis includes a description of the assembly line for the production of lamellar grates at AHORN CZ, s.r.o, and an engonomic analysis of the workplace of the production line which also includes measures proposed on the basis of the findings followed up by evaluation and recommendations for practise.
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