| Transverse pressure angle: |
Ad=arctan(tan(An)/cos(h)) |
|
| Transverse circular tooth thickness
on pitch diameter: |
td=tn/cos(h)) |
|
| Helix angle on base diameter: |
H=arctan(tan(h)*cos(an)) |
|
| Transverse pin diameter: |
dD=D/cos(H)) |
|
| Pitch diameter: |
PD=N/(DP*cos(H)) |
|
| Base diameter: |
BD=PD*cos(Ad)) |
|
| Involute function of Ad(rad): |
InAd=tan(Ad)-Ad/180*pi |
|
| Involute function of Bd(rad): |
In_Bd=td/PD+dD/BD+InAd-pi/N |
|
| Pressure angle to pin center Bd: |
InBd=Tan(Bd)-Bd*pi/180 |
|
| Diameter of pin centers: |
CC=BD/cos(Bd) |
|
| Dimention over pins: |
DO=CC+D (even); DO=cos(90/N)*CC+D (odd) |
|
| Pressure angle to point at tangency: |
F=arctan(tan(Bd)-D*cos(H)/BD) |
|
| Radius to point of tangency: |
RF=BD/2/cos(F) |
|
