gear surface
Isotropic Superfinishing for Gear Repair for Helicopters and Wind Turbines
Isotropic Superfinishing Isotropic superfinishing is a term that, in the broadest sense, describes any process that is achieves a “superfinish” […]...
View MoreScratching the Surface: How Surface Engineering Fills in the Gaps that AM Leaves Behind
Prior to 3D printing’s arrival on the manufacturing scene, the US military supply chain was often met with lengthy and arduous timelines for critical asset production. This not only stalled the manufacture and repair of essential equipment within t...
View MoreChanges Ahead in the Roughness Standards
I have written numerous articles on tooth flank surface roughness measurement. This is such a page-turner of a subject!...
View MoreReport of the Condition of a General Electric Transportation Systems Gearbox
Wind power plant operation and maintenance (O&M) costs remain an appreciable contributor to the overall cost of wind energy, with a capacity-weighted average of $11/megawatt-hour (MWh) for projects installed since 2000 and $9/MWh for projects install...
View MoreMaterials Matter: How to Set Up a Vibratory Bowl for Gear Finishing
The vibratory bowl is toroidal-shaped, consisting of a center hub surrounded by an OD wall. Direct drive machines have a motor and driveshaft set inside the center hub....
View MoreMeasuring Tooth Flank Roughness
Gear performance has continuously increased over the past two decades. Improvements in metals, heat treatments, geometry, and lubrication are just a few of the sources of these improvements....
View MoreMaterials Matter : The State of the Art of Wind Turbine Gearboxes
Much has been written here about the global growth in the wind turbine industry. Today, more than 341,320 wind turbines are operating worldwide. In particular, the number of offshore installations has exploded in the past seven years....
View MoreRepairing Wind Turbine Gears and Assemblies with Isotropic Superfinishing
As the wind turbine industry matures, the importance of operations and management (O&M) costs grows. In the early years of large kilowatt and small megawatt class wind turbines, pre-mature gearbox failure due to gear fatigue was very common and was a...
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