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Computer-Aided Design of the Stress Analysis of an Internal Spur Gear - May/June 1988

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Archive > 1988 > May/June 1988 > Computer-Aided Design of the Stress Analysis of an Internal Spur Gear

The article "Computer-Aided Design of the Stress Analysis of an Internal Spur Gear" appeared in the May/June 1988 issue of Gear Technology.

Summary
Although there is plenty of information and data on the determination of geometry factors and bending strength of external gear teeth, the computation methods regarding internal gear design are less accessible. most of today's designs adopt the formulas for external gears and incorporate some kind of correction factors for internal gears. However, this design method is only an approximation because of the differences between internal gears and external gears. Indeed, the tooth shape of internal gears is different from that of external gears. One has a concave curve, while the other has a convex curve.

Keywords
internal gears, geometry factory, bending strength

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