Force analysis
1. Tangential component:
The tangential component Ft is a useful component. Because it transmit power. Using the value of Ft , the magnitude of torque and transmitted power can be determined.
2. Radial component:
The radial component Fr is a separating force which is always directed towards the centre of the gear. Fr does not really a useful component. It is also called as transverse force or bending force.
The torque transmitted by gear
Design Procedure For Spur Gear:
1. Calculation of gear ratio;
2. Selection of material
Consulting Table 5.3, knowing the gear ratio i, choose the suitable material.
3. If not given, assume gear life (say 20000 hrs)
Design Procedure For Helical Gear:
