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Production logistics
Olej, Tomáš ; Vaněk, Jiří (oponent) ; Špinka, Jiří (vedoucí práce)
This master’s thesis deals with manufacturing and logistic issues of low voltage cabinets produced by ProCS, s.r.o. company. The aim is to design and evaluate manufacturing and assembling process rationalization proposal. The proposal is based on familiarization with technological process of cabinet's manufacturing. Becoming familiar with manufacturing and assembling process of marshalling and system cabinets made it possible to find an opportunity of rationalization through automation of selected assembling processes. Automation of striping and crimping process is possible through suitable crimping machine. Situation before and after rationalization is economically interpreted and evaluated using break even point analysis. Through mentioned rationalization arrangement it is possible to improve manufacturing flexibility, reduce lead times and cut down manufacturing costs.
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Sandwich panels analysis under compressive load using finite elements methods
Seman, Matúš ; Löffelmann, František (oponent) ; Mališ, Michal (vedoucí práce)
Bachelor thesis deals with possibilities of numerical modeling failure mechanism in sandwich panels using final element methods. The first part of the thesis presents theoretical introduction to requirements of sandwich structures and either mathematic formulation of constitutive relations. The purpose of the thesis was to set suitable approcahes of formulation instability problems with applying on laboratory samples. The analysis was done using nonlinear solvers in programes Patran/Nastran and the results have been properly evaluated with experimental work and analytical approach.
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Analysis of a Sandwich panel under compressive loading
Kopylov, Gleb ; Katrňák, Tomáš (oponent) ; Mališ, Michal (vedoucí práce)
Main purpose of this bachelor’s thesis was to design appropriate simulation of the in-plane shear test and confirm it. Types of the composite panel failures and approaches to sandwich tests were discussed. Several simulation designs were proposed. Best design has been chosen, based on important criterions. Six experiments were simulated with chosen simulation design. Results of simulations and analytical calculations were compared. Some findings about wrinkling coefficients and crimping equation validity have been taken, based on the results comparison.
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Hodnocení kvality připojení vodičů nízkonapěťových ovládacích obvodů
Chabiniok, Pavel ; Prostredník, Daniel (oponent) ; Jankových, Róbert (vedoucí práce)
Diplomová práce se zabývá hodnocením kvality připojení vodičů nízkonapěťových ovládacích obvodů s důrazem kladeným na zajištění kvality nepájených zamačkávaných spojů. V práci byla zpracována analýza možných způsobů kontroly kvality včetně mapy daného procesu ručního zamačkávaní. Dále je v práci uveden návrh na zlepšení původního systému ve spolupracující firmě. Hlavním přínosem práce je zpracovaný návrh nedestruktivního systému kontroly ručně zamačkaných spojů. V závěru jsou shrnuty získané poznatky v oblasti kontroly kvality zamačkávaných spojů, včetně doporučení pro praxi.
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Hodnocení kvality připojení vodičů nízkonapěťových ovládacích obvodů
Chabiniok, Pavel ; Prostredník, Daniel (oponent) ; Jankových, Róbert (vedoucí práce)
Diplomová práce se zabývá hodnocením kvality připojení vodičů nízkonapěťových ovládacích obvodů s důrazem kladeným na zajištění kvality nepájených zamačkávaných spojů. V práci byla zpracována analýza možných způsobů kontroly kvality včetně mapy daného procesu ručního zamačkávaní. Dále je v práci uveden návrh na zlepšení původního systému ve spolupracující firmě. Hlavním přínosem práce je zpracovaný návrh nedestruktivního systému kontroly ručně zamačkaných spojů. V závěru jsou shrnuty získané poznatky v oblasti kontroly kvality zamačkávaných spojů, včetně doporučení pro praxi.
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Analysis of a Sandwich panel under compressive loading
Kopylov, Gleb ; Katrňák, Tomáš (oponent) ; Mališ, Michal (vedoucí práce)
Main purpose of this bachelor’s thesis was to design appropriate simulation of the in-plane shear test and confirm it. Types of the composite panel failures and approaches to sandwich tests were discussed. Several simulation designs were proposed. Best design has been chosen, based on important criterions. Six experiments were simulated with chosen simulation design. Results of simulations and analytical calculations were compared. Some findings about wrinkling coefficients and crimping equation validity have been taken, based on the results comparison.
|
|
|
Sandwich panels analysis under compressive load using finite elements methods
Seman, Matúš ; Löffelmann, František (oponent) ; Mališ, Michal (vedoucí práce)
Bachelor thesis deals with possibilities of numerical modeling failure mechanism in sandwich panels using final element methods. The first part of the thesis presents theoretical introduction to requirements of sandwich structures and either mathematic formulation of constitutive relations. The purpose of the thesis was to set suitable approcahes of formulation instability problems with applying on laboratory samples. The analysis was done using nonlinear solvers in programes Patran/Nastran and the results have been properly evaluated with experimental work and analytical approach.
|
|
|
Production logistics
Olej, Tomáš ; Vaněk, Jiří (oponent) ; Špinka, Jiří (vedoucí práce)
This master’s thesis deals with manufacturing and logistic issues of low voltage cabinets produced by ProCS, s.r.o. company. The aim is to design and evaluate manufacturing and assembling process rationalization proposal. The proposal is based on familiarization with technological process of cabinet's manufacturing. Becoming familiar with manufacturing and assembling process of marshalling and system cabinets made it possible to find an opportunity of rationalization through automation of selected assembling processes. Automation of striping and crimping process is possible through suitable crimping machine. Situation before and after rationalization is economically interpreted and evaluated using break even point analysis. Through mentioned rationalization arrangement it is possible to improve manufacturing flexibility, reduce lead times and cut down manufacturing costs.
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