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The article presents methodology of modelling and prototyping process for the demonstrator of aeronautical planetary gear. Contemporary methods of designing gear make use of computer aided designing systems (CAD), computer aided engineering (CAE) and computer aided manufacturing (CAM) including also rapid prototyping (RP). First stage of designing gear is always defining basic parameters of the gear work (among others: transmission ratio, rotational speed, power) determined by the gear destination. After carrying out the gear calculations it is possible to create 3D-CAD models ofwheels and other elements of the gear. 3D-CAD systems are often equipped with a module for analysing geometrical parameters and cooperation of its individual elements e.g. the track of cooperation. A detailed analysis of cooperation of gear wheels' elements allows for early detection of construction mistakes of models and for deleting the mistakes. If 3D-CAD models are made correctly, it is possible to record the geometrical data in an appropriate format of numerical data. The following stage of making the prototype of the gear is preparing numerical data necessary for making the demonstrator by means of rapid prototyping method. The accuracy of making physical prototype depends a lot on the accuracy of 3D-CAD/3D-RP model made by means of processing the numerical data. The demonstrator allows for analysis of constructional solutions of the gear based on physical model and for doing introductory stand tests. The paper presents the process of making the demonstrator of planetary gear applying 3D-CAD modelling and Rapid Prototyping. For making the physical prototype a Fused Deposition Modelling (FDM) method of Rapid Prototyping was applied.
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Tom
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49--54
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Bibliogr. 12 poz., rys.
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autor
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- Rzeszów University of Technology Faculty of Mechanical Engineering and Aeronautic Powstańców Warszawy Av. 8, 35-959 Rzeszów, Poland, gbudzik@prz.edu.pl
Bibliografia
- [1] Budzik, G., Geometric accuracy of aircraft engine blade models consructed by means of generative rapid prototyping methods FDM and SLA, Advances in Manufacturing Science and Technology, 34, 1, pp. 33-43, 2010.
- [2] Budzik, G., Kozik, B., Markowska, O., Sobolak, M., Badania stanowiskowe par kół zębatych R. 7, [w:] Innowacyjne przekładnie zębate o nietypowym zazębieniu – modelowanie, prototypowanie, badania stanowiskowe.
- [3] Budzik, G., Markowski, T., Sobolak, M., Metody zwiększenia dokładności prototypów wykonywanych wybranymi technikami RP, Projektowanie procesów technologicznych TPP 2006, Komisja Budowy Maszyn PAN O/Poznań, s. 65-70, Poznań 2006.
- [4] Budzi, G., Markowski, T., Sobolak, M., Nowe możliwości w projektowaniu kół zębatych wykonywanych z tworzyw sztucznych, Acta Mechanica Slovaca, 2B/2006, s. 67-72, Košice 2006.
- [5] Budzik, G., Markowski, T., Sobolak, M., Prototyping of Bevel Gears of Aircraft Power Transmission, Journal of KONES Powertrain and Transport, Vol. 14, No. 2, pp. 61-66, Warszawa 2007.
- [6] Budzik, G., Pacana, J., Możliwości projektowania walcowego koła zębatego o zębach prostych w systemie Unigraphics, Zeszyty Naukowe Politechniki Rzeszowskiej nr 217, Koła Zębate 2004, Oficyna Wydawnicza Politechniki Rzeszowskiej, s. 9-15, Rzeszów 2004.
- [7] Budzik, G., Sobolak, M., Generating stereolitographic (STL) files from CAD systems. Acta Mechanica Slovaca, 2B/2006 PRO-TECH-MA, s. 73-78, Košice 2006.
- [8] Gajdoš, I., Slota, J., Spišák, E., FDM prototypes virtual modeling, ICAT 2008, 2nd International Conference on Additive Technologies: DAAAM Specialized Conference, Ptuj, Slovenia: Proceedings. Vienna: DAAAM International 3 p., 2008.
- [9] Gebhardt, A., Rapid Prototyping, Carl Hanser Verlag, Munich 2003.
- [10] Liou, W., Rapid Prototyping and engineering applications – a toolbox for prototype development, Taylor & Francis Group, 2008.
- [11] Oleksy, M., Budzik, G., Heneczkowski, M., Hybrid polymer composites for rapid prototyping of gears, Polimery, 55, 5, pp. 403-407, 2010.
- [12] Sobolak, M., Budzik, G.: Experimental method of tooth contact analysis (TCA) with Rapid Prototyping (RP) use, Rapid Prototyping Journal, 14, 4, 2008, pp. 197-201.
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Bibliografia
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bwmeta1.element.baztech-article-BUJ5-0031-0015