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Tooth Contact Shift in Loaded Spiral Bevel Gears - November/December 1992

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Archive > 1992 > November/December 1992 > Tooth Contact Shift in Loaded Spiral Bevel Gears

The article "Tooth Contact Shift in Loaded Spiral Bevel Gears" appeared in the November/December 1992 issue of Gear Technology.

Summary
An analytical method is presented to predict the shifts of the contact ellipses on spiral bevel gear teeth under load. The contact ellipse shift is the motion of the point to its location under load. The shifts are due to the elastic motions of the gear and pinion supporting shafts and bearings. The calculations include the elastic deflections of the gear shafts and the deflections of the four shaft bearings. The method assumes that the surface curvature of each tooth is constant near the unloaded pitch point. Results from these calculations will help designers reduce transmission weight without seriously reducing transmission performance.

Keywords
spiral bevel, tooth contact, contact analysis, TCA

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