Question: Required information A spur gearset has 1 7 teeth on the pinion and 5 1 teeth on the gear. The pressure angle is 2 0
Required information
A spur gearset has teeth on the pinion and teeth on the gear. The pressure angle is deg and the overload factor
Ko The diametral pitch is teethin and the face width is in The pinion speed is revmin and its cycle life is
to be revolutions at a reliability R The quality number is The material is a throughhardened steel, grade
with Brinell hardnesses of core and case of both gears. For a design factor of rate the gearset for these
conditions using the AGMA method. Use YNP and ZNP
Determine the value of each of the following:
a The stresscycle factor, pinion, YNP
b The pitchline velocity, V
c The allowable bending stress on the pinion, sigma all
d The dynamic factor, Kv
e The pinion size factor, KSP
f The loaddistribution factor, Km
The design factor of safety and the factor of safety for bending are the same. Assume that the size factor for the pinion is
The stresscycle factor, pinion, YNp is Round the final answer to three decimal places.
The pitchline velocity, V is
ftmin
The allowable bending stre
The dynamic factor, Kv is
pinion, sigma all is
psi. Round the final answer to the nearest whole number.
The pinion size factor, KSP is
Round the final answer to three decimal places.Km is
Round the final answer to three decimal places.
Round the final answer to three decimal places.
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