In AS3990 there is a factor in the Bearing Stress calc for Max Permissible Stress in Snug Tight Bolts of 2.1. See below.
I was wondering if anyone can explain where is factor came from and why it is being applied to this particular calc.
Thanks,
Jason
I am trying to work out the torque required at a shaft so I can size a gearbox.
My shaft is connected to a sprocket of 260mm dia.
The force applied to the sprocket due to a chain is 340kN (this is the summation of all of the resistances)
The diameter of the shaft to which I will be attaching a...