|
|
Evaluation of Surface Quality When Using AWJ And WJM Cutting Methods
Pecháček, Martin ; Dvořák, Jaromír (referee) ; Slaný, Martin (advisor)
This study deals with technology of abrasive water jet material cutting and influence of cutting head feed rate on surface topography of cut walls with regards to roughness. Eight parameters were chosen based on the CSN EN ISO 4288 standard representing quality of surface after AWJ cutting. When AWJ cutting the chosen material – commercially pure ASTM B265 grade 2 titanium – feed rate was being changed and in order to obtain information about each parameter´s distribution in various depths of the cut, surface composition was evaluated. It was found out that feed rate has significant influence on surface and that the profile elements´ width grows when increasing the feed rate and cut depth. Furthermore, two selected feed rate results were compared to laser beam technology and conclusion for the selected material was made that AWJ cutting is more preferable due to final roughness and no heat affect on the material.
|
|
|
Analysis of Selected Indicators of Branches of Baierová spol. s.r.o.
Čupr, Jiří ; Klučková, Martina (referee) ; Kropáč, Jiří (advisor)
This bachelor thesis is focused on analysis selected economics indicators of two subsidiaries of Baierová spol. s.r.o. company. Selected indicators has straight effect to financial results of company, like sales, number of customers and average sales to one customer. Thesis includes theoretical background for correct analysis and practical part, where is the theoretical background applied in real.
|
|
| |
|
| |
|
|
Modern manufacturing trends in chip machining - turning, milling and driling
Moravčik, Jaroslav ; Trčka, Tomáš (referee) ; Polzer, Aleš (advisor)
Chip machining has strong historical foundation. First innovations in machining were created long ago and next Innovations appeared sporadically. The Industrial revolution and then the second half of 20th Century meant start of self–driven, programmable machines used in machining. This led interest of engineers to machining process itself. The aim of this Diploma thesis is to characterize most interesting modern trends from last few years and unite them in electronical database which will be included in this thesis. Main attention is aimed for innovations in chip machining in general and also in specific branches – turning, milling and drilling. Thesis also includes discussion about economical aspect of application of modern trends in chip machining.
|
|
|
take a deep breath and let the tears shed water
Gajdošová, Kristýna ; Poliačková, Martina (referee) ; Sterec, Pavel (advisor)
The aim of this work should be an attempt to materialize my subjective reflection of the blending of two different scenes and subcultures. It should reflect my perception of these subcultures and their similarities and differences, as well as how they relate to each other or to society at all. More than research, I would like to focus on my personal inner testimony.
|
|
|
Actual trends in heat exchangers production
Wajda, Jakub ; Mauder, Tomáš (referee) ; Jaroš, Michal (advisor)
The bachelor thesis is focused on the content of heat exchangers in the automotive industry, the latest developments of trends and the potential direction of development of this branch of industry. The first part deals with the heat transfer and distribution of heat exchangers according to various criteria. The second section describes the types of cooling auto parts, together with the applicable types of heat exchangers. Follow developments in this area, including economic data about products and anticipated market developments.
|
|
|
Low-energy construction in the Czech Republic and abroad
Matuš, Martin ; Vaňková, Lucie (referee) ; Krejza, Zdeněk (advisor)
The bachelor´s thesis goal is to find actual trends in low-energy construction in the Czech republic and abroad. Also define main concepts of low-energy construction, technical properties of these objects, methods of designing, legislational elements and new findings. Practical´s part main task is to compile statistical data on low-energy construction in the Czech republic and abroad. Aditionally calculate the price indicators and possible payback of low-energy houses.
|
|
| |
|
|
An examination of economic indexes of the company using time series analysis
Romášek, Štěpán ; Bartošek, Vladimír (referee) ; Doubravský, Karel (advisor)
The bachelor thesis deals with the use of statistical methods, time series and regressive analysis, as the effective tool for evaluation of characteristics and efficiency of the company and its outer surroundings, mainly macroeconomic. The goal will be to analyze the data by this means, to compare them and to make the conclusions. From the knowledge of historical data and forecasting preconditions for the future, the company will gain clearer image about strategy and its direction.
|
guest ::
