National Repository of Grey Literature 217 records found  beginprevious170 - 179nextend  jump to record: Search took 0.00 seconds. 
Technologies and methods for accurate inner rotary surfaces finishing
Londa, Jaroslav ; Zemčík, Oskar (referee) ; Zemčík, Oskar (advisor)
This bachelor thesis describes some of the conventional and unconventional methods for accurate inner rotary surfaces finishing. It deals with their definition, tools, machines and usage. It also contains comparison of all methods in term of dimensional accuracy and surface roughness.
Working screw production
Červený, Petr ; Zemčík, Oskar (referee) ; Zemčík, Oskar (advisor)
The summary of technologies and methods of conventional ways of machining that are used for production of feeding screws. Summarizes the basic principles of transporting screws, a description of machines, tools, working conditions, the resulting values of dimensions, surface texture and precision, which can be achieved by these methods. Usage in practice, evaluation and comparison according to criteria by Ra, IT and productivity.
Ecological factors and chip machining
Tomek, Jan ; Dvořáček, Jan (referee) ; Zemčík, Oskar (advisor)
This bachelor thesis describes the effects resulting from the machining performance aspects of the cutting process, recycling and waste management. The aim of this bachelor work is a search problem of cutting and its effect on ecology.
New methods roary finishing
Cvoligová, Hana ; Zemčík, Oskar (referee) ; Zemčík, Oskar (advisor)
The work includes an overview and comparison of conventional and unconventional methods used in the finishing part. Technology has broken down contoured surfaces on the outside and inside , they are described variants with stock removal, and without stock removal. In addition to standard principles are used , they are in question and new, that are to be used only in engineering practice.
New methods for plane surface finishing
Šupa, Jan ; Zemčík, Oskar (referee) ; Zemčík, Oskar (advisor)
This professional research deals with modern technologies used in flat surfaces finalization, their advantages and disadvantages, influences on final accuracy and quality of surface, their mutual comparison and recommendations for practical usage.
Construction of turning tool with internal cooling
Matoušek, Jan ; Maixner, Vladimír (referee) ; Zemčík, Oskar (advisor)
The bachelor´s thesis is partly focused on a general overview of turning and the turning tools with internal cooling. It describes the benefits and latest developments of this section at worldwide producers. There are a solution of a proposal of turning tools with internal cooling and its technological and economic evaluation in the second part of the thesis.
New methods for outer rotary surfaces finishing.
Bartošík, Luděk ; Janský, Milan (referee) ; Zemčík, Oskar (advisor)
This bachelor thesis deal with technologies of finishing rotate surfaces, describe individual methods, their advantages and disadvantages and results on quality of surface. It describe older and new technologies and too conventional and unconventional methods. Here is overview of most used and best know technologies in present engineering.
Surface finishing using unconventional methods.
Popelář, Petr ; Zemčík, Oskar (referee) ; Zemčík, Oskar (advisor)
The summary of selected technologies and methods of conventional and unconventional ways of machining that are used for finishing the surface of engineering components. Summarizes the basic principles, a description of machines, tools, working conditions, the resulting values of surface texture and precision, which can be achieved by these methods. Usage in practice, evaluation and comparison according to criteria by Ra and IT.
New methods for outer and inner rotary surfaces production.
Urban, Jan ; Zemčík, Oskar (referee) ; Zemčík, Oskar (advisor)
This research contains a survey of some methods for outer and inner rotary surfaces production such as turning, grinding, honing, finishing, lapping, drilling, core-drillings and reaming. Comparison of dimensional accuracy and the achievable surface roughness of different methods.
Production of bevel gears.
Nepauer, Jan ; Zemčík, Oskar (referee) ; Zemčík, Oskar (advisor)
helor thesis and describing the distribution of production technologies bevel gear machining and forming methods. These methods are detailed below. In this paper we theoretically describe the tool against the workpiece. Evaluation of different methods and comparing them against the costs, depending on the capabilities of each individual company.

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