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The changeable strut devices for cranes in hall
Dvořáček, Jan ; Pokorný, Jan (referee) ; Kašpárek, Jaroslav (advisor)
This thesis was created for Bosch Rexroth in order to simplify the lifting work in the manufacturing hall. There was made the construction project of changeable strut devices for lifting loads. The project is comprised of two parts. The first deals with the analytical calculation and the second part consists of a numerical calculation using the finite element method.
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Design of conveyor of couplers
Klár, Pavel ; Ripel, Tomáš (referee) ; Krejsa, Jiří (advisor)
This thesis is focused on the design of conveyor of couplers with regard to the requirements for the resolution, and consisting of several parts. The first part outlines the given issue, short research study and an idea of solution. The next part concentrates on the structural design of the whole conveyor. Then the description of the first part of the conveyor including the structural design and the required calculations follow. Finally, other conveyor parts, the budget and the instruction manual are explained. The thesis includes the related drawings and all necessary calculations for other conveyors parts as well.
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Tackles
Stanec, Stanislav ; Pokorný, Přemysl (referee) ; Malášek, Jiří (advisor)
The first part of the bachelor‘s thesis contains background research of constructions and the basic calculations of the tackles. In the second part there is worked out a design and calculation the tackle of Archimedes on the basis of the suitably chosen parameters. Drawing documentation is attached to this thesis.
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Design of Electric Hoist, Capacity 250 kg
Soška, Michal ; Malášek, Jiří (referee) ; Škopán, Miroslav (advisor)
Bachelor's thesis deals with design of overhead electric driven hoist with hand-driven trolley. The objective was to design original and effective solution. Lifting mechanism is implemented as a chain drive, with own designed chain guide. Work contains a description of the individual components, corresponding calculations and drawings.
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Analysis of chain gears production.
Březina, Stanislav ; Zemčík, Oskar (referee) ; Zemčík, Oskar (advisor)
Analysis of chain gears production including comparison and evaluation. Description of particular kinds of chain gears and wheels. Descripton of particular technologies and methods of production of chain gears and comparison of suitability of usage of particular methods, instruments and parameters.
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Creeper
Pavelka, Roman ; Kašpárek, Jaroslav (referee) ; Malášek, Jiří (advisor)
This bachelor project concerns with design solution of the creeper. Besides, the project specifies limitation of the chain gearings including various chain types. The project includes also the process calculation. Please find attached following design drawings General Arrangement, Sub- arrangements and Production Detail Design at the of the bachelor project.
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Úpravy pilových řetězů a jejich vliv na hygienické parametry motorové pily z hlediska úrovně hluku
Janíček, Jakub
The thesis is focused on the treatment of saw chains and their impact on the health parameters of chainsaw in terms of noise levels .It verifies the impact of construction of the chain type on noise level at the operator. Four types of saw chains were used for this measurement, namely chisel and semi-chisel teeth chains and PowerSharp chain. In the terms of occupational exposure limits according to government regulations about health protection, nosie and it's harmful effect on workers. The thesis describes possible medical complications and occupational diseases caused by excessive exposure to extremely loud sound. Using literature and electronical sources, marking of attenuation of noise on hearing protective equipment is described, from which the most used are shown. One of the chapters is devoted to the basic facts about physical nature of the sound waves. Except of description of three chain samples, this work also contains a noise measuring report with the ÚLDT measuring device. The problem of measuring the level of noise was solved by obtaining information from the literature and electronic sources. Conditions of this thesis were fulfilled with the help of my supervisor , who provided conslultations and czech government standards from which I could draw information.
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