Baza Publikacji Pracowników Politechniki Lubelskiej

Status:
Autorzy:	Winiarski Grzegorz, Dziubińska Anna
Dyscypliny:
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Rok wydania:	2021
Wersja dokumentu:	Drukowana \| Elektroniczna
Język:	angielski
Numer czasopisma:	8
Wolumen/Tom:	143
Numer artykułu:	MANU-20-1566
Strony:	1 - 8
Impact Factor:	3,952
Web of Science® Times Cited:	7
Scopus® Cytowania:	8
Bazy:	Web of Science \| Scopus
Efekt badań statutowych	NIE
Materiał konferencyjny:	NIE
Publikacja OA:	NIE
Abstrakty:	angielski
	The paper presents the results of a theoretical analysis of a new process of hammer forging of a connecting rod and the technology currently used. In the industry at present connecting rods are forged from extruded rods. The new forging technology assumes the use of a billet in the form of a cast preform. For the calculations, it has been assumed that the billet material will be a Ø30 x 148 mm rod and a cast preform. Two variants of preforms have been modelled, from which products of the assumed geometry with different degree of strain are obtained. Calculations were made using the finite element method in the Deform 3D program. The input material was 2017A aluminium alloy in the form of rods and sand cast preforms. On the basis of the conducted research it was found that the use of cast preforms reduces material waste by about 80% in relation to the technology of forging from the bar, and reduces the energy consumption of the process by about 75%. Both geometrical variants of the forging preforms ensure obtaining a forging with the assumed shape and dimensions, although forging from the forging preform with a smaller degree of strain seems to be a safer variant in terms of the possibility of cracking of the material. This is supported by the lower strain and Cockcroft-Latham integral values.

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Analysis of a New Process of Forging a 2017A Aluminum Alloy Connecting Rod

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