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Home » Crowned Spur Gears: Optimal Geometry and Generation

Crowned Spur Gears: Optimal Geometry and Generation

September 1, 1988
Involute spur gears are very sensitive to gear misalignment. Misalignment will cause the shift of the bearing contact toward the edge of the gear tooth surfaces and transmission errors that increase gear noise. Many efforts have been made to improve the bearing contact of misaligned spur gears by crowning the pinion tooth surface. Wildhaber(1) had proposed various methods of crowning that can be achieved in the process of gear generation. Maag engineers have used crowning for making longitudinal corrections (Fig. 1a); modifying involute tooth profile uniformly across the face width (Fig. 1b); combining these two functions in Fig. 1c and performing topological modification (Fig. 1d) that can provide any deviation of the crowned tooth surface from a regular involute surface. (2)
Design Manufacturing Lubrication Materials The Gear Industry Crowning Bearings Shafts Mesh Processes Casting Grinding Friction Bronze Cast Iron Pitting Sectors Aerospace Technical Internal Gears Pinions Spur Gears
KEYWORDS crowning spur gears
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