Inlet and Exhaust Valve Rocker Arm
In four-stroke cycle engines, the rocker arm of the exhaust valve is more heavily loaded. On the other hand, the force required to operate the inlet valve is comparatively less. However, it is usual practice to make rocker arms for inlet and exhaust valves identical. This results in ease of manufacturing. The main objective of the rocker arm as a ‘lever’ is to change the direction of force and not the multiplication of the effort. Therefore, the two arms of the rocker arm are often made equal in moderate and low-speed engines. In high-speed engines, the (a/b) ratio is taken as (1/1.3), where a and b are the length of the arms, a being measured towards the exhaust valve.
How to Calculate Bearing Pressure at Roller Pin of Forked End of Rocker Arm?
Bearing Pressure at Roller Pin of Forked End of Rocker Arm calculator uses Bearing Pressure for Roller Pin = (Force on Roller Pin)/(Diameter of Roller Pin*Length of Roller Pin) to calculate the Bearing Pressure for Roller Pin, The Bearing pressure at roller pin of forked end of rocker arm is the compressive force per unit area acting onto the surface between the roller pin and its bushing. Bearing Pressure for Roller Pin is denoted by Pbp symbol.
How to calculate Bearing Pressure at Roller Pin of Forked End of Rocker Arm using this online calculator? To use this online calculator for Bearing Pressure at Roller Pin of Forked End of Rocker Arm, enter Force on Roller Pin (Pc), Diameter of Roller Pin (d2) & Length of Roller Pin (l2) and hit the calculate button. Here is how the Bearing Pressure at Roller Pin of Forked End of Rocker Arm calculation can be explained with given input values -> 3.6E-6 = (1925)/(0.0206*0.026).