National Repository of Grey Literature 23 records found  previous11 - 20next  jump to record: Search took 0.01 seconds. 
Analysis and Evaluation of Surface Texture Effects of Tested Samples
Fuciman, Lukáš ; Dobrocký, David (referee) ; Sedlák, Josef (advisor)
The thesis deals with an evaluation of the surface texture of various materials, created by machining technologies (turning, milling and grinding). As for the theoretical part of the thesis, it contains a theoretical analysis of the effect of surface texture on friction, wear, coating and lubricating properties. The main emphasis is put on the analysis of the most frequently evaluated profile and surface parameters as well as their possible influence on the functional areas of machined parts. The experimental part includes evaluated and compared measured data based on the monitored parameters with benefits for machinery industry.
Analysis and Evaluation of Surface Texture Effects of Tested Samples
Fuciman, Lukáš ; Dobrocký, David (referee) ; Sedlák, Josef (advisor)
The thesis deals with an evaluation of the surface texture of various materials, created by machining technologies (turning, milling and grinding). As for the theoretical part of the thesis, it contains a theoretical analysis of the effect of surface texture on friction, wear, coating and lubricating properties. The main emphasis is put on the analysis of the most frequently evaluated profile and surface parameters as well as their possible influence on the functional areas of machined parts. The experimental part includes evaluated and compared measured data based on the monitored parameters with benefits for machinery industry.
Analysis of Mechanical Properties of Bimetallic Materials with Clad Layer of Inconel
Sýkora, Milan ; Joska, Zdeněk (referee) ; Sedlák, Josef (advisor)
This diploma thesis deals with the analysis of mechanical properties of bimetallic materials with clad layer of Inconel. In the theoretical part of the work there is an analysis of the investigated bimetallic material. The following is a description of mechanical tests and methods for evaluating the integrity of the surface, which were used to determine the properties of bimetallic material. The experimental part focuses on individual tests of mechanical properties of the material. For each test, the procedure for the production of test specimens, a description of the test equipment, the performance of the tests, the evaluation of the data obtained and finally, the evaluation of the results obtained are given.
Analysis of the Impact of Technological Processes on the Properties of the Functional Areas of Bearings
Fišerová, Zuzana ; Čep, Robert (referee) ; Sadílek, Marek (referee) ; Kouřil, Karel (referee) ; Chladil, Josef (advisor)
The dissertation is focused on the bearing production technology issues. The aim of the thesis is to investigate and evaluate the influence of the technological processes on properties of the functional surfaces of an outer bearing ring. The development, rolling, grinding and turning have been selected as basic technological processes. The subject of the surface integrity research on test samples is the measurement and analysis of the quality of the machined surfaces and residual stresses in the surface layers of the bearing rings. The comparison is made in relation to the previous operations - rolling, turning and grinding.
Evaluation of the machined surface and subsurface properties using Barkhausen noise analysis
Blažíček, Dominik ; Malec, Jiří (referee) ; Švejcar, Jiří (advisor)
Master thesis deals with the influence of milling to resulting surface integrity of gear tested by Barkhausen Noise Analysis technique. Two sets of gears milled by different machines by comparable parameters were used to solve the task. The testing of surface integrity was carried out after heat treatment and final grinding. It was experimentaly approved the effected surface/subsurface damage caused by milling remains in the material through the heat treatment. Based on these results, it can be assumed that different milling affects the resulting surface integrity after HT.
Structural Properties of the Subsurface Groundgears and their Relation to the Parameters Set by Diffractometer Method
Červinka, Filip ; Malec, Jiří (referee) ; Pavloušková, Zina (advisor)
The bachelor‘s thesis deals with structual properties of the surface and subsurface ground gears. This thesis examines posibilities of affecting gear flank surface by continuous generating spur gear grinding process. There is used the measurement of hardness and microscopic observation of the structural properties for evaluating subsurface groundgears. This parameters are compared with values of residual stresses which was set by X-ray diffractometer method.
Structural Properties of the Subsurface Groundgears and their Relation to the Parameters of the Barkhausennoise Analysis
Blažíček, Dominik ; Malec, Jiří (referee) ; Pavloušková, Zina (advisor)
Batchelo thesis deals with non-destructive evaluation of surface integrity, which uses analysis of Barkhausen noise in dependence on microstructure of material, tested by metalllographic analysis. Their correlation is assessed on heavily loaded gears, which need to have high life time period. These gears were produced by continuous gear grinding, which influences the final integrity. The first part deals with the production of gears. The second part describes in details both experiments. Last part is devote to practical performance of these tests on produced gears.
An Experimental Study of the Impact of Passive Forces of Cutting on a Machined Surface
Slaný, Martin ; Janáč, Alexander (referee) ; Bumbálek, Bohumil (referee) ; Píška, Miroslav (advisor)
This dissertation thesis focuses on the evaluation of modern machine tools, especially tools for finishing operations, with which the effect of the passive force components on the machining process is evaluated. The thesis will examine the analysis of creating chips and circumstances that accompany this process and substantially involve the formation of a new surface. The analysis of the process of the recording of the power load of the MT3 tool takes place in the experimental part of the thesis. MT3 is a reaming head intended for finishing holes at high cutting speeds (100-200 m.min-1) with removal of small cross section AD (0.024 mm2) chips. Particular attention is paid to the newly created profile from the surface after machining and evaluation of changes in geometry and loading of the cutting edge, which is significantly reflected in the establishment and the development of passive forces.
An experimental study of the impact of passive forces of cutting on a machined surface
Slaný, Martin ; Píška, Miroslav (advisor)
This dissertation thesis focuses on the evaluation of modern machine tools, especially tools for finishing operations, with which the effect of the passive force components on the machining process is evaluated. The thesis will examine the analysis of creating chips and circumstances that accompany this process and substantially involve the formation of a new surface. The analysis of the process of the recording of the power load of the MT3 tool takes place in the experimental part of the thesis. MT3 is a reaming head intended for finishing holes at high cutting speeds (100-200 m.min-1) with removal of small cross section AD (0.024 mm2) chips. Particular attention is paid to the newly created profile from the surface after machining and evaluation of changes in geometry and loading of the cutting edge, which is significantly reflected in the establishment and the development of passive forces.
Integrity surface at reaming with modern reaming head MT3
Havlík, Luboš ; Plíšek, Jiří (referee) ; Kouřil, Karel (advisor)
The Masters thesis is focused on surface integrity at reaming with high productive reaming head MT3 made by HAM-FINAL. Theoretical part of thesis aims at analyse of the most frequently evalueted surface integrity parametrs and its possible influence on functional performance of machined components. Next theoretical parts are aimed at reaming process, reaming tools characteristics, detailed reaming head MT3 characteristics and its aplication in company Sauer Danfoss. The aim of experimetal part of thesis is surface integrity of holes reamed MT3 during its tool life evalation.

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