dedendum


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Related to dedendum: dedendum circle

dedendum

[də′den·dəm]
(design engineering)
The difference between the radius of the pitch circle of a gear and the radius of its root circle.
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4), the equation for asymmetric tooth thickness at any portion along the face width of the bevel gear at any circle like, addendum, dedendum and pitch circle can be obtained as,
Where i=1, 2 (i=1 for pinion and i=2 for gear) j = A, P, D (A- Addendum circle, P- Pitch circle, D- Dedendum circle) and b = Face width, B =cone distance of the bevel gear.