The timing pulley is a geometric entity created the pulley with an arbitrary tooth profile or the shape defined ISO 5294.
(a) Timing pulley geometric entity
|
A |
Angle |
|
Hr |
Tooth Height |
|
Bg |
Tooth Length |
|
R1 |
Tooth Root Radius |
|
R2 |
Tooth Tip Radius |
|
Do |
Outside Diameter |
|
H |
Flange Height |
|
Wp |
Pulley Width |
|
Wf |
Flange Width |
(b) Dimension information
Figure 1 Timing pulley