Q3 Design the square key which is located on the shaft motor if the diameter of it is (20) mm and shearing and crushing stresses which applied of it are 200N/mm and 400N/mm' respectively ,When the ?force applied on the key equal to (10 000) N

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Design of Shafts and Shaft Components

The shaft is basically defined as the machine element that rotates, is in circular cross-section, it is majorly used to transfer the power from one part of the system to another, or from a power generating machine to a power absorbing machine. The shaft is supported on bearings and is rotated with the help of a set of gears or pulleys that are used for the power transmission. Bending moment, torsion, and an axial force act upon the shaft. Designing of shaft primarily involves determining stresses at a critical point in the shaft that is arising due to loading.