Involute type
Figure 14.95: Internal gear set specifications (Involute)
Parameter | Symbol | Formulation |
1. Module | m | N/A |
2. Pressure angle | β | N/A |
3. Helix angle | α | N/A |
4. Number of teeth | z | N/A |
5. Profile shift coefficient | x | N/A |
6. Center distance | a | |
7. Pitch diameter | dp | zm |
8. Base diameter | db | |
9. Addendum | ha |
|
10. Dedendum | hf |
|
11. Tooth depth | h | 2.25m |
12. Tip diameter | da | |
13. Root diameter | df |
Note that not all of these parameters are shown in the figure above.
Cycloid type
Figure 14.97: Internal gear set specifications (Cycloid)
Parameter | Symbol | Formulation |
1. Module | m | N/A |
2. Helix angle | β | N/A |
3. Number of teeth | z | N/A |
4. Center distance | a | |
5. Base diameter | db | mπ |
6. Tip diameter | da | N/A |
7. Root diameter | df | N/A |
Note that not all of these parameters are shown in the figure above.