The Effect of Superfinishing on FZG Gear Micropitting - Part II


The most common failure mechanism of highly stressed case carburized gears is micropitting (grey staining). The standard FZG gear test (FVA Work Sheet 54) is generally used to determine the micropitting load capacity of gear lubricants. In recent years, FZG gear testing has also demonstrated its usefulness for evaluating the effect of superfinishing on increasing the micropitting load capacity of gears. Results from the Technical University of Munich were previously presented in Part 1 of this paper. Part II will present the results of Ruhr University Bochum. Both research groups concluded that superfinishing is one of the most powerful technologies for significantly increasing the load carrying capacity of gear flanks.
ISBN: 978-1-55589-940-0 Pages: 10
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