The cross-section of a flat key for a 40 mm diameter shaft is 22 ×14 mm. The power transmitted by the shaft to the hub is 25 kW at 300 rpm. The key is made of steel (σu= 450 N/mm2) and the factor of safety is 2.8. Determine the length of the key.
The cross-section of a flat key for a 40 mm diameter shaft is 22 ×14 mm. The power transmitted by the shaft to the hub is 25 kW at 300 rpm. The key is made of steel (σu= 450 N/mm2) and the factor of safety is 2.8. Determine the length of the key.