5.6 A hollow shaft with a diameter ratio of 3:5 is to be manufactured from a very ductile material in order to act as a mechanical fuse in a 64 72 5 Circular shafts 73 power transmission train and by so doing, causes failing of the shaft premature to more expensive failure under severe abnormal loading conditions. The shaft may be considered prone to fail under the criteria of the maximum shear stress theory of failure. The maximum torque on the shaft should not exceed the mean torque by more than 45%. Determine specially machined shaft diameters for the hollow shaft if the power transmission is 130 kW at 450 r/min. The shaft drives a 150 mm diameter belt pulley at an overhang of 55 mm. Ignore any other fatigue and shock loadings. Shear tests showed that the material will fail under a shear stress of 90 MPa. Consider both bending and twisting and a belt drive tension ratio of 19:5. [D=74,76 mm; d = 44,85 mm]
5.6 A hollow shaft with a diameter ratio of 3:5 is to be manufactured from a very ductile material in order to act as a mechanical fuse in a 64 72 5 Circular shafts 73 power transmission train and by so doing, causes failing of the shaft premature to more expensive failure under severe abnormal loading conditions. The shaft may be considered prone to fail under the criteria of the maximum shear stress theory of failure. The maximum torque on the shaft should not exceed the mean torque by more than 45%. Determine specially machined shaft diameters for the hollow shaft if the power transmission is 130 kW at 450 r/min. The shaft drives a 150 mm diameter belt pulley at an overhang of 55 mm. Ignore any other fatigue and shock loadings. Shear tests showed that the material will fail under a shear stress of 90 MPa. Consider both bending and twisting and a belt drive tension ratio of 19:5. [D=74,76 mm; d = 44,85 mm]
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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5.6 A hollow shaft with a diameter ratio of 3:5 is to be manufactured from a very ductile material in order to act as a mechanical fuse in a 64 72 5 Circular shafts 73 power transmission train and by so doing, causes failing of the shaft premature to more expensive failure under severe abnormal loading conditions. The shaft may be considered prone to fail under the criteria of the maximum shear stress theory of failure. The maximum torque on the shaft should not exceed the mean torque by more than 45%. Determine specially machined shaft diameters for the hollow shaft if the power transmission is 130 kW at 450 r/min. The shaft drives a 150 mm diameter belt pulley at an overhang of 55 mm. Ignore any other fatigue and shock loadings. Shear tests showed that the material will fail under a shear stress of 90 MPa. Consider both bending and twisting and a belt drive tension ratio of 19:5. [D=74,76 mm; d = 44,85 mm]
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