AGMA 933 : B

Foreword
0 Scope
1 Gears
2 Plane of rotation
3 Gear center
4 Line of centers
5 Center distance
6 Number of teeth
7 Gear ratio
8 Pitch point
9 Pitch circles
10 Pitch line
11 Circular pitch
12 Tooth profile
13 Point of contact
14 Line of action
15a Pressure angle
15b Profile angle
16 Base circle
17 Base pitch
18 Pitch element
19 Pitch plane
20 Transverse plane
21 Axial plane
22 Tangent plane
23 Plane of action
24 Normal plane
25 Axial plane of action
26 Pitch
27 Transverse pitch
28 Axial pitch
29 Normal pitch
30 Center pitch
31 Transverse base pitch
32 Axial base pitch
33 Normal base pitch
34a Transverse pressure angle
35a Axial pressure angle
36a Normal pressure angle
34b Transverse profile angle
35b Axial profile angle
36b Normal profile angle
37 Pitch helix angle
38 Base helix angle
39 Base helix angle
40 Pitch lead angle
41 Base lead angle
42 Axial base lead angle

Gives clear and accurate understanding of the elements involved is indispensable to all who deal with the design, dimensioning, cutting and measurement of gear teeth.