Baza Publikacji Pracowników Politechniki Lubelskiej

Status:
Autorzy:	Dziubińska Anna, Gontarz Andrzej
Rok wydania:	2014
Wersja dokumentu:	Drukowana \| Elektroniczna
Język:	angielski
Numer czasopisma:	4
Wolumen/Tom:	86
Strony:	356 - 360
Impact Factor:	0,352
Web of Science® Times Cited:	10
Scopus® Cytowania:	10
Bazy:	Web of Science \| Scopus \| Web of Science \| Scopus
Efekt badań statutowych	NIE
Materiał konferencyjny:	NIE
Publikacja OA:	NIE
Abstrakty:	angielski
	Purpose – The aim of research is working out of a new forming technology of flat parts with ribs from magnesium alloys with the application of three-slide forging press for the aircraft industry. Design/methodology/approach – New possibilities of forming of aviation parts with ribs gives the application of a prototype three-slide forging press. This press consists of three moveable tools and has wider technological possibilities than typical forging machines. It was assumed that this machine (press) application would allow for obtaining ribbed flat forgings from magnesium alloys of good functional and resistance qualities. A characteristic feature of such forgings forming is the working movement of two side tools, which upset the billet in the form of a plate; the result of their action is forming of one or more ribs in the plane central part. It is possible to use the upper punch in order to form appropriate rib outline. Theoretical research works based on simulations by means of finite element method were conducted for three cases of the process: semi-free forging of parts with one rib, semi-free forming of forgings with two ribs and forging in closed impression of parts with one rib of triangular outline. The first experimental tests were made on three-slide forging press for the variant of semi-free forging of parts with one rib. Findings – Research results show that there exists possibility of realization of forming process of parts with ribs according to the conception assumed by the Authors. Positive results of theoretical analyses justify the purposefulness of conducting experimental verification for the proposed theoretical solutions of the forging processes of parts with one rib of triangular outline and with two ribs. Practical implications – Production of flat parts with ribs from magnesium alloys basing on the worked out by the Authors’ technology will allow for improving functional and mechanical properties of parts and for lowering their manufacturing costs. At present such aviation parts are imported to Poland in the form of casts, which are expensive and not always fulfill the requirements. Additionally, large amount of machining at manufacturing of this type of parts generate larger price at their production. Originality/value – Forging technology of parts with ribs in three-slide forging press is unique on a world scale. The advantages of this technology are the process material savings and better resistance properties of the formed forgings with ribs than parts obtained in a traditional way.

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Forming of flat parts with ribs from magnesium alloy

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