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Wyszukujesz frazę "Deja, Mariusz" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Method of monitoring of the grinding process with lapping kinematics using audible sound analysis
Autorzy:
Deja, Mariusz
Powiązania:
https://bibliotekanauki.pl/articles/2171774.pdf
Data publikacji:
2022
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
audible sound analysis
grinding
electroplated tool
process monitoring
Opis:
Utilising microphones as audible sound sensors for monitoring a single-side grinding process with lapping kinematics is presented in the paper. The audible sound generated during grinding depended on the cutting properties of electroplated tools with D107 diamond grains and different thicknesses of the nickel bond. The tool wear affected the obtained technological effects such as material removal rate and the surface roughness of Al2O3 ceramic samples. The relationship between the quantities that characterise the sound signal and the surface roughness of machined surfaces was examined with the use of spectral analysis of the sound signal in the frequency domain with a focus on the Ra parameter. The decreasing amplitude indicated a better surface finish, down to Ra = 0.23 μm. The developed method and the obtained results will facilitate the practical use of the electroplated tools in the lap-grinding technology without interrupting the process before obtaining the required surface roughness.
Źródło:
Journal of Machine Engineering; 2022, 22, 4; 71--81
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of reverse engineering technology in part design for shipbuilding industry
Autorzy:
Deja, Mariusz
Dobrzyński, Michał
Rymkiewicz, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/258670.pdf
Data publikacji:
2019
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
reverse engineering
laser scanning
freeform surface
measurement techniques
Opis:
In the shipbuilding industry, it is difficult to create CAD models of existing or prototype parts, especially with many freeform surfaces. The paper presents the creation of the CAD 3D model of a shipbuilding component with the application of the reverse engineering technology. Based on the data obtained from the digitization process, the component is reconstructed in point cloud processing programs and the CAD model is created. Finally, the accuracy of the digital model is estimated.
Źródło:
Polish Maritime Research; 2019, 2; 126-133
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-criteria comparative analysis of the use of subtractive and additive technologies in the manufacturing of offshore machinery components
Autorzy:
Deja, Mariusz
Siemiątkowski, Mieczysław Stanisław
Zieliński, Dawid
Powiązania:
https://bibliotekanauki.pl/articles/1585050.pdf
Data publikacji:
2020
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
offshore industry
additive technologies
maritime and offshore equipment components
decision support systems
analytic hierarchy process (AHP)
Opis:
The dynamic development of additive manufacturing technologies, especially over the last few years, has increased the range of possible industrial applications of 3D printed elements. This is a consequence of the distinct advantages of additive techniques, which include the possibility of improving the mechanical strength of products and shortening lead times. Offshore industry is one of these promising areas for the application of additive manufacturing. This paper presents a decision support method for the manufacturing of offshore equipment components, and compares a standard subtractive method with an additive manufacturing approach. An analytic hierarchy process was applied to select the most effective and efficient production method, considering CNC milling and direct metal laser sintering. A final set of decision criteria that take into account the specifics of the offshore industry sector are provided.
Źródło:
Polish Maritime Research; 2020, 3; 71-81
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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