gear micropitting
A Comparison of Surface Roughness Measurement Methods for Gear Tooth Working Surfaces
Surface roughness is a critical parameter for gears operating under a variety of conditions. It directly influences friction and contact temperature, and therefore has an impact on various failure modes such as macropitting, micropitting and scuffing...
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The Effect of Superfinishing on Gear Micropitting, Part II
It should be noted from the outset that the data presented in Part I and Part II of this paper was generated by independent laboratories. Superfinishing of the gears was the authors’ sole contribution to these studies....
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A Novel Approach to the Refurbishment of Wind Turbine Gears
Multi-megawatt wind turbine gearboxes operate under demanding environmental conditions including considerable variation in temperature, wind speed, and air quality....
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The Effect of Superfinishing on Gear Micropitting, Part I
The most common failure mechanism of highly stressed case carburized gears is micropitting (gray staining). The standard FZG gear test (FVA Work Sheet 54) is generally used to determine the micropitting load capacity of gear lubricants....
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