Archive > 2016 > January/February 2016 > Premature Gear Failure

Premature Gear Failure - January/February 2016

The article "Premature Gear Failure" appeared in the January/February 2016 issue of Gear Technology.

Summary
I would appreciate if you could assist with a gear failure (occurring) after just seven weeks in service, post installation. This driving gear wheel has been installed in a medium-speed engine with backlash present at four different positions; with additional backlash checked on the mating surfaces. All backlash was found within (OEM)-recommended values. Please note included photos - it seems that the crack has started at the root fillet. Any comments would be appreciated.

Keywords
gear failure, backlash, ANSI/AGMA 1010, Beyta Gear Service

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