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Wyszukujesz frazę "Deja, M." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Comparative study of machining technology selection to manufacture large-size components of offshore constructions
Autorzy:
Deja, M.
Siemiątkowski, M.
Sender, P.
Powiązania:
https://bibliotekanauki.pl/articles/259601.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
off-shore construction
heavy mechanical component
multi-axis machining centre
process planning
Opis:
The focus of this paper is on process planning for large parts manufacture in systems of definite process capabilities, involving the use of multi-axis machining centres. The analysis of machining heavy mechanical components used in off-shore constructions has been carried out. Setup concepts applied and operation sequences determined in related process plans underwent studies. The paper presents in particular a reasoning approach to setup sequencing and machine assignment in manufacturing large-size components of offshore constructions. The relevant reasoning mechanism within a decision making scheme on generated process plan is shown based on a case study derived from the offshore sector. Recommendations for manufacture of selected exemplary and typical parts were formulated.
Źródło:
Polish Maritime Research; 2017, S 1; 38-45
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation studies into quayside transport and storage yard operations in container terminals
Autorzy:
Deja, M.
Dobrzyński, M.
Siemiątkowski, M. S.
Wiśniewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/258686.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
container terminals
mechanical handling
simulation modelling
quantitative analysis
Opis:
The focus of the paper is in quayside transport and storage yard operations in container terminals. Relevant algorithms have been applied and a simulation model adopted. Evaluative criteria chosen for that model were: the total time of ship unloading and the truck utilization level. Recommendations for unloading in berth and yard areas were analysed in three different case studies. Results of simulations and deterministic model based analyses are included.
Źródło:
Polish Maritime Research; 2017, S 1; 46-52
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Rapid Prototyping technology in the manufacturing of turbine blade with small diameter holes
Autorzy:
Deja, M.
Dobrzyński, M.
Flaszyński, P.
Haras, J.
Zieliński, D.
Powiązania:
https://bibliotekanauki.pl/articles/259963.pdf
Data publikacji:
2018
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
turbine blade
small diameter holes
Rapid Prototyping/Rapid Manufacturing
Direct Metal Laser Sintering (DMLS) technology
Opis:
The article presents the possibilities++ of using Rapid Prototyping (RP) technology in the manufacturing of turbine blades with small diameter holes. The object under investigation was gas turbine blade with small diameter cooling holes and holes for generating longitudinal vortices. A turbine blade model was produced by means of Direct Metal Laser Sintering (DMLS) technology and subsequently validated in terms of detection and accuracy of the obtained holes. The application of the computer tomography and digital radiography technique resulted in obtaining a series of cross-sections of the turbine blade model with a series of holes. Particular attention was pointed out at the investigation of the locations of micro-holes with a diameter of 0.3 mm. It turned out that it was impossible to make such small holes by the RP method. In the following part the results of the study on the possibilities of making the micro-holes using electrical discharge method have been presented. In addition, proposition of further works such as the development of the considerations and issues discussed in this article, has been offered.
Źródło:
Polish Maritime Research; 2018, S 1; 119-123
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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