Machinery's Handbook, 31st Edition
Bevel Gearing
2261
Pitch Apex to Back
Crown to Back
Pitch Apex to Crown
Crown
Root Angle
Pitch Apex
Pinion
Face Angle
Cone Distance
Face Width
Pitch Angle
Shaft Angle
Back Angle
Gear
Uniform Clearance
Pitch Diamter Outside Diamter Back Cone
Dedendum Angle
Back Cone Distance
Front Angle
Fig. 1a. Bevel Gear Nomenclature
D = pitch diameter S = addendum S + A = dedendum ( A = clearance) W = whole depth of tooth
T = thickness of tooth at pitch line C = pitch cone radius F = width of face s = addendum at small end of tooth t = thickness of tooth at pitch line at small end θ = addendum angle φ = dedendum angle γ = face angle = pitch cone angle + addendum angle δ = angle of compound rest ζ = cutting angle K = angular addendum O = outside diameter J = vertex distance j = vertex distance at small end N ′ = number of teeth for which to select cutter
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