AH-64D main transmission accessory drive spur gear installation fault detections

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AH-64D main transmission accessory drive spur gear installation fault detections

Keller, Jonathan / Carr, Damian / Love, Frances / Grabill, Paul / Ngo, Hieu / Shanthakumaran, Perumal

The US Army has launched an aggressive program to implement condition based maintenance on its rotary wing assets. Condition Based Maintenance takes advantage of technology developments in the areas of machinery monitoring, signal processing and fault modeling to reduce the cost of ownership through improved maintenance procedures. Documenting the reduction in maintenance burden, cost savings and increased safety through early detection of helicopter faults is an important step in justifying the program. This paper describes a novel technique used to detect a serious fault in the accessory section of the AH-64D Apache main transmission. The technique determines if the primary or secondary clutch system is driving the aircraft accessories through a tachometer speed ratio. The method has identified three aircraft operating on the secondary system allowing Army maintenance crews to replace the affected transmissions and quickly restore the aircraft to operational status.

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Dokumentinformationen

Titel :

AH-64D main transmission accessory drive spur gear installation fault detections

Beteiligte:

Keller, Jonathan (Autor:in) / Carr, Damian (Autor:in) / Love, Frances (Autor:in) / Grabill, Paul (Autor:in) / Ngo, Hieu (Autor:in) / Shanthakumaran, Perumal (Autor:in)

Erschienen in:

Journal of Intelligent Manufacturing ; 23 , 2 ; 205-211

Erscheinungsdatum :

2012

Format / Umfang :

7 Seiten, 11 Bilder, 19 Quellen

ISSN :

0956-5515

DOI :

https://doi.org/10.1007/s10845-009-0345-z

Medientyp :

Aufsatz (Zeitschrift)