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Analyzing Gear Tooth Stress as a Function of Tooth Contact Pattern Shape and Position - January/February 1985

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Archive > 1985 > January/February 1985 > Analyzing Gear Tooth Stress as a Function of Tooth Contact Pattern Shape and Position

The article "Analyzing Gear Tooth Stress as a Function of Tooth Contact Pattern Shape and Position" appeared in the January/February 1985 issue of Gear Technology.

Summary
The development of a new gear strength computer program based upon the finite element method, provides a better way to calculate stresses in bevel and hypoid gear teeth. The program incorporates tooth surface geometry and axle deflection data to establish a direct relationship between fillet bending stress, subsurface shear stress, and applied gear torque. Using existing software links to other gear analysis programs allows the gear engineer to evaluate the strength performance of existing and new gear designs as a function of tooth contact pattern shape, position and axle deflection characteristics. This approach provides a better understanding of how gears react under load to subtle changes in the appearance of the no load tooth contact pattern.

Keywords
gear design, contact pattern, spiral bevel gears, hypoid gears, tooth contact analysis

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