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Home » Consideration of Moving Tooth Load in Gear Crack Propagation Predictions

Consideration of Moving Tooth Load in Gear Crack Propagation Predictions

January 1, 2002
Effective gear designs balance strength, durability, reliability, size, weight, and cost. Even effective designs, however, can have the possibility of gear cracks due to fatigue. In addition, truly robust designs consider not only crack initiation, but also crack propagation trajectories. As an example, crack trajectories that propagate through the gear tooth are the preferred mode of failure compared to propagation through the gear rim. Rim failure will lead to catastrophic events and should be avoided. Analysis tools that predict crack propagation paths can be a valuable aid to the designer to prevent such catastrophic failures.
Design Materials Fatigue Crack Propagation Technical
KEYWORDS crack initiation crack propagation Crack Trajectories fatigue gear design gear failure Rim Failure
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