VIBRATION BASED SUN GEAR DAMAGE DETECTION

被引：0

作者：

Hood, Adrian ^{[1
]}

LaBerge, Kelsen ^{[1
]}

Lewicki, David ^{[2
]}

Pines, Darryll ^{[3
]}

机构：

[1] US Army Res Lab, Aberdeen Proving Ground, MD 21005 USA

[2] NASA, Glenn Res Ctr, Cleveland, OH USA

[3] Univ Maryland, A James Clark Sch Engn, College Pk, MD 20742 USA

来源：

PROCEEDINGS OF THE ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE, 2013, VOL 5 | 2014年

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Seeded fault experiments were conducted on the planetary stage of an OH-58C helicopter transmission. Two vibration based methods are discussed that isolate the dynamics of the sun gear from that of the planet gears, bearings, input spiral bevel stage, and other components in and around the gearbox. Three damaged sun gears: two spalled and one cracked, serve as the focus of this current work. A non-sequential vibration separation algorithm was developed and the resulting signals analyzed. The second method uses only the time synchronously averaged data but takes advantage of the signal/source mapping required for vibration separation. Both algorithms were successful in identifying the spall damage. Sun gear damage was confirmed by the presence of sun mesh groups. The sun tooth crack condition was inconclusive.

引用

页数：14

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