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Home » Crowning Techniques in Aerospace Actuation Gearing

Crowning Techniques in Aerospace Actuation Gearing

August 1, 2010
One of the most effective methods in solving the edge loading problem due to excess misalignment and deflection in aerospace actuation gearing is to localize tooth-bearing contact by crowning the teeth. Irrespective of the applied load, if the misalignment and/or deflection are large enough to cause the contact area to reduce to zero, the stress becomes large enough to cause failure. The edge loading could cause the teeth to break or pit, but too much crowning may also cause the teeth to pit due to concentrated loading. In this paper, a proposed method to localize the contact bearing area and calculate the contact stress with crowning is presented and demonstrated on some real-life examples in aerospace actuation systems.
Design Accuracy Contact Stress Crowning Stress Technical
KEYWORDS contact stress crowning gear design
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