The surface roughness used to define the influencing factor for surface roughness has already been determined in the graphical definition of the shaft. Correspondingly, the probability of damage is of the same value, r = 50%. Strength, life and reliability rating for nominal load and load spectrum Database for reference profile and tolerances Different geometry configurations with uniform tooth depth, constant slot width, modified slot width, different root and tip apex positions For spur, helical, zerol or spiral bevel gears.
With this, the safety factor depends on the number of load cycles.
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