A mild steel shaft transmits 15 kW at 210 rp m. It is supported on two bearings 750 mm apart and has two gears keyed to it. The pinion having 24 teeth of 6 mm module is located 100 mm to the left of the right hand bearing and delivers the power horizontally to the right . The gear having 80 teeth of 6 mm module is located 15 mm to the right of the left hand bearing and receives power in a vertical direction from below . Assuming an allowable working shear stress as 53 MPa , and a combined shock and fatigue factor of in bending as well as in torsion determine the diameter of the shaft

A mild steel shaft transmits 15 kW at 210 rp m. It is supported on two

1.	A mild steel shaft transmits 15 kW at 210 rp m. It is supported on two bearings 750 mm apart and has two gears keyed to it. The pinion having 24 teeth of 6 mm module is located 100 mm to the left of the right hand bearing and delivers the power horizontally to the right . The gear having 80 teeth of 6 mm module is located 15 mm to the right of the left hand bearing and receives power in a vertical direction from below . Assuming an allowable working shear stress as 53 MPa , and a combined shock and fatigue factor of in bending as well as in torsion determine the diameter of the shaft
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