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Data processing from measuring machine tools
Jelínek, Adam ; Marek, Tomáš (referee) ; Holub, Michal (advisor)
The aim of this bachelor thesis is to propose a procedure of an implementation of periodic control of geometric accuracy of machine tools into the maintenance process in Walter s.r.o. company. To carry out an initial series of measurements, evaluate collected data and to advice further actions based on the evaluation. Presented thesis also introduces some quality management tools, which may be used for the implementation of the process.
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Design apparatus for measuring geometric accuracy of machine tools
Holcman, David ; Marek, Tomáš (referee) ; Holub, Michal (advisor)
This bachelor’s work deals with modern methods of geometric accuracy measurement of machine tools, modal analysis and definition of demands on used agents during the measurement process. A part of this work is dedicated to description of numerical finite element method, which is the cornerstone of ascertaining the natural frequencies by a software program. In the closing part the appropriate adjustments of minimisation of influence on measurement are suggested.
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Design apparatus for measuring geometric accuracy of machine tools
Holcman, David ; Marek, Tomáš (referee) ; Holub, Michal (advisor)
This bachelor’s work deals with modern methods of geometric accuracy measurement of machine tools, modal analysis and definition of demands on used agents during the measurement process. A part of this work is dedicated to description of numerical finite element method, which is the cornerstone of ascertaining the natural frequencies by a software program. In the closing part the appropriate adjustments of minimisation of influence on measurement are suggested.
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Impact of conventional compensation to the volumetric accuracy of the machine tool
Žák, Zdeněk ; Vetiška, Jan (referee) ; Holub, Michal (advisor)
This thesis solves the impact of conventional compensation to the volumetric accuracy of the CNC machine. It is therefore a practical research work, where are in the theoretical introduction mentioned requirements for machine tools, the types of errors that can occur on three-axis kinematics, compensation for the control system Siemens Sinumerik 840D sl and devices by means of which are these compensation under the work formed and subsequently verified. In this work can be seen the measured values and graphs from each measurements, a detailed analysis of the results and drawing conclusions from these results.
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Building and control of 5-axis milling machines
Anderle, Milan ; Knobloch, Josef (referee) ; Holub, Michal (advisor)
This bachelor’s thesis studies the building and control of the five-axis CNC machining centres. Modern methods of geometric accuracy measurements are described with possibilites of compensating for geomeric and volumetric errors. Measuring devices described in this thesis are laser interferometer XL-80 and ballbar QC20-W for measuring geometric accuracy of MCV 754 Quick machine. The aim of the thesis is to describe current trends in construction, design and controlling of five-axis milling machines.
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