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Titolo:
Consideration of moving tooth load in gear crook propagation predictions
Autore:
Lewicki, DG; Handschuh, RF; Spievak, LE; Wawrzynek, PA; Ingraffea, AR;
Indirizzi:
USA, Res Lab, NASA, Glenn Res Ctr, Cleveland, OH 44135 USA USA Cleveland OH USA 44135 , NASA, Glenn Res Ctr, Cleveland, OH 44135 USA
Titolo Testata:
JOURNAL OF MECHANICAL DESIGN
fascicolo: 1, volume: 123, anno: 2001,
pagine: 118 - 124
SICI:
1050-0472(200103)123:1<118:COMTLI>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
STRESS INTENSITY FACTORS; FATIGUE-CRACK GROWTH; NUMERICAL-METHODS; TEETH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Lewicki, DG USA, Res Lab, NASA, Glenn Res Ctr, Cleveland, OH 44135 USA USA Cleveland OH USA 44135 n Res Ctr, Cleveland, OH 44135 USA
Citazione:
D.G. Lewicki et al., "Consideration of moving tooth load in gear crook propagation predictions", J MEC DESIG, 123(1), 2001, pp. 118-124

Abstract

Robust gear designs consider not only crack initiation, but crack propagation trajectories for a fail-safe design. In actual gear operation, the magnitude as well as the position of the force changes as the gear rotates through the mesh. A study to determine the effect of moving gear tooth load on crack propagation predictions was performed. Two-dimensional analysis of aninvolute spur gear and three-dimensional analysis of a spiral-bevel piniongear using the finite element method and boundary element method were studied and compared to experiments. A modified theory for predicting gear crack propagation paths bused on the criteria of Erdogam and Sih [18] was investigated. Crack simulation based on calculated stress intensity factors and mixed mode crack angle prediction techniques rising a simple static analysis in which the tooth load was located at the highest point of single tooth contact was validated. For three-dimensional analysis, however, the analysis was valid only as long as the crack did not approach the contact region on the tooth.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 14:35:46