(14) A 40mm steel shaft rotates @ 600rpm & handles 10kW delivered from a pulley located 300mm from one side of the bearing. The shaft is supported by bearing 800mm apart. Assume that force acting on the shaft is the equal to the maximum belt pull. Determine the maximum combined stress of the shaft. (15) A 150mm pulley is mounted to the motor 100mm from the bearing. The motor is 20kW & rotates @ 640rpm. The belt wraps the pulley @ 170°. The net belt tension is acting as transverse load on the shaft. Determine the combine stress on the shaft.

(14) A 40mm steel shaft rotates @ 600rpm & handles 10kW delivered from a pulley located 300mm from one side of the bearing. The shaft is supported by bearing 800mm apart. Assume that force acting on the shaft is the equal to the maximum belt pull. Determine the maximum combined stress of the shaft. (15) A 150mm pulley is mounted to the motor 100mm from the bearing. The motor is 20kW & rotates @ 640rpm. The belt wraps the pulley @ 170°. The net belt tension is acting as transverse load on the shaft. Determine the combine stress on the shaft.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.5P: The propeller shaft of a large ship has an outside diameter 18 in. and inside diameter 12 in,, as...

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The stepped shaft shown in the figure is required to transmit 600 kW of power at 400 rpm. The shaft has a full quarter-circular fillet, and the smaller diameter D1= 100 mm. If the allowable shear stress at the stress concentration is 100 MPa, at what diameter will this stress be reached? Is this diameter an upper or a lower limit on the value of D2?
A propeller shaft for a small yacht is made of a solid steel bar 104 mm in diameter. The allowable stress in shear is 48 MPa, and the allowable rate of twist is 2.0° in 3.5 meters. (a) Assuming that the shear modulus of elasticity is G = 80 GPa, determine the maximum torque that can be applied to the shaft. (b) Repeat part (a) if the shaft is now hollow with an inner diameter of 5d18. Compare values to corresponding values from part (a).
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