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Hydraulic unit to wood crusher
Trška, Andrej ; Mazal, Pavel (referee) ; Dvořáček, Jiří (advisor)
This bachelors´s thesis is dealing with construction of wood log splitter machines. Main goal of first part is to take a look and summarize the log splitter machines, theirs separation, parameters and application. The second part is dedicated to construction of homemade log splitter.
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Vibration diagnostics of bearings
Navrátil, Pavel ; Mazal, Pavel (referee) ; Klapka, Milan (advisor)
This bachelor’s thesis introduces the basic principles of vibrodiagnostic methods and their importance for individual fase of bearing’s damage. The selected methods studied are: acoustic emission, SPM (shock pulse method), SEE (spectral emission energy), envelope method, High frequency emission, Crest factor, Kurtosis factor and special method for slow-motion machines Adash Compressed Time.
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Alternative energy supplies for garden and week-end house
Novák, Michal ; Mazal, Pavel (referee) ; Venclík, Jiří (advisor)
This bachelor’s thesis contains abstract of alternative energy supplies for garde nand week-end house and describes their advantages and disadvantages. The selected alternative energy supplies are: water-power, solar energy and wind energy. Final part of bachelor’s thesis discuss with a construction machinery for wind energy useage and describes parts of machinery.
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The device for measuring of camshafts timings
Jozíf, Lukáš ; Mazal, Pavel (referee) ; Mazůrek, Ivan (advisor)
Bachelor’s thesis is focused on constructional concept of device for measuring of camshafts timing and its wear-out. After short introduction and definitions of basic concepts there are problems of cams design analyzed and overview of the commercially offered devices is mentioned. Next part focuses on construction of the proper device including design documentation. Procedure of measuring with the device and example of some data evaluation is described. In the conclusion I evaluated constructional and economic aspect the whole concept.
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