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Repair of High-Value, High-Demand Spiral Bevel Gears by Superfinishing - October 2012

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Archive > 2012 > October 2012 > Repair of High-Value, High-Demand Spiral Bevel Gears by Superfinishing

The article "Repair of High-Value, High-Demand Spiral Bevel Gears by Superfinishing" appeared in the October 2012 issue of Gear Technology.

Summary
Following is a report on the R&D findings regarding remediation of high-value, high-demand spiral bevel gears for the UH–60 helicopter tail rotor drivetrain. As spiral bevel gears for the UH–60 helicopter are in generally High-Demand due to the needs of new aircraft production and the overhaul and repair of aircraft returning from service, acquisition of new spiral bevel gears in support of R&D activities is very challenging. To compensate, an assessment was done of a then-emerging superfinishing method—i.e., the micromachining process (MPP)—as a potential repair technique for spiral bevel gears, as well as a way to enhance their performance and durability. The results are described in this paper.

Keywords
superfinishing, bevel gears, helicopter, surface finish, repair

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