Archive > 2014 > January/February 2014 > The XL Gears Project

The XL Gears Project

The article "The XL Gears Project" appeared in the January/February 2014 issue of Gear Technology.

Much of the existing guidelines for making large, high-performance gears for wind turbine gearboxes exhibit a need for improvement. Consider: the large grinding stock used to compensate for heat treatment distortion can significantly reduce manufacturing productivity; and, materials and manufacturing processes are two other promising avenues to improvement. The work presented here investigates quenchable alloy steels that, combined with specifically developed Case-hardening and heat treatment processes, exhibits reduced distortion and, in turn, requires a smaller grinding stock.

materials, gear materials, grinding stock, big gears, gear steels

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