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Official Description

spur gear,helical ,straight bevel gear and spiral bevel gear calculation
pitch circle diameter
base circle diameter
center distance
addendum
deddendum
outside diameter
root diameter
tooth depth
span for spur gear
span for helical gear
correction gear
over pin diameter for spur gear
over pin diameter for helical gear
cone distance
cone distance angle
face width
working depth
clearance
addendum angle
deddendum angle
tip diameter
tip diameter angle
root angle
pitch cone angle
reference diameter..standard calculation in Gleason and Klingelnberg or straight or spiral bevel gear
spur and helical gears standard calculation span measurement .............