SHIGLEY'S MECH.ENGINEERING DESIGN-EBK>I
10th Edition
ISBN: 9781259489563
Author: BUDYNAS
Publisher: INTER MCG
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Chapter 14, Problem 5P
To determine
The face width on tooth of gear.
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A hollow shaft with a length of 1103mm and outer diameter 73mm and inner diameter 50mm is required to tranmit a power of 60kW at a speed of 2950 rpm if the modulus of rigidity is 79.5GPa calculate the maximum shear stress in the shaft
A hollow shaft with a length of 1103mm and outer diameter 73mm and inner diameter 50mm is required to tranmit a power of 60kW at a speed of 2950 rpm if the modulus of rigidity is 79.5GPa calculate the angle of twist in degrees
A hollow shaft with a length of 1103mm and outer diameter 73mm and inner diameter 50mm is required to tranmit a power of 60kW at a speed of 2950 rpm if the modulus of rigidity is 79.5GPa calculate the torque transmitted by the shaft
Chapter 14 Solutions
SHIGLEY'S MECH.ENGINEERING DESIGN-EBK>I
Ch. 14 - A steel spur pinion has a pitch of 6 teeth/in, 22...Ch. 14 - A steel spur pinion has a diametral pitch of 10...Ch. 14 - Prob. 3PCh. 14 - A steel spur pinion has 16 teeth cut on the 20...Ch. 14 - Prob. 5PCh. 14 - A 20 full-depth steel spur pinion has 20 teeth and...Ch. 14 - A 20 full-depth steel spur pinion has a diametral...Ch. 14 - A steel spur pinion is to transmit 20 hp at a...Ch. 14 - A 20 full-depth steel spur pinion with 18 teeth is...Ch. 14 - Prob. 10P
Ch. 14 - A speed reducer has 20 full-depth teeth and...Ch. 14 - Prob. 12PCh. 14 - Prob. 13PCh. 14 - A 20 20-tooth cast-iron spur pinion having a...Ch. 14 - A steel spur pinion and gear have a diametral...Ch. 14 - A milled-teeth steel pinion and gear pair have Sut...Ch. 14 - A 20 full-depth steel spur pinion rotates at 1145...Ch. 14 - A steel spur pinion has a pitch of 6 teeth/in, 17...Ch. 14 - A commercial enclosed gear drive consists of a 20...Ch. 14 - A 20 spur pinion with 20 teeth and a module of 2.5...Ch. 14 - Repeat Prob. 14-19 using helical gears each with a...Ch. 14 - A spur gearset has 17 teeth on the pinion and 51...Ch. 14 - Prob. 23PCh. 14 - Prob. 24PCh. 14 - The speed reducer of Prob. 14-24 is to be used for...Ch. 14 - Prob. 26PCh. 14 - Prob. 27PCh. 14 - The gearset of Prob. 14-27 is going to be upgraded...Ch. 14 - Prob. 29PCh. 14 - AGMA procedures with cast-iron gear pairs differ...Ch. 14 - Spur-gear teeth have rolling and slipping contact...Ch. 14 - In Ex. 14-5 use nitrided grade 1 steel (4140)...Ch. 14 - In Ex. 14-5 use carburized and case-hardened gears...Ch. 14 - Prob. 35PCh. 14 - Prob. 36PCh. 14 - The countershaft in Prob. 373, p. 152, is part of...Ch. 14 - Build on the results of Prob. 1340, p. 720, to...Ch. 14 - Build on the results of Prob. 1341, p. 721, to...
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- 1.1. State three underlying assumptions in the formulation of the torsion formula, .TGJrl (3) 1.2 A hollow shaft has to be designed for a marine engine delivering 1200 kW when running at 120 r/min. The maximum allowable shear stress is 50 MPa and the maximum torque to be transmitted by the shaft is 30 % greater than the mean torque. The internal diameter of the shaft is 50 % that of the external diameter. Calculate: 1.2.1 The dimensions of the shaft and the angle of twist of the shaft over 3 m when transmitting the above torque (G = 80 GPa). (14) 1.3 Determine the torsional rigidity of a 300 mm long steel shaft with a diameter of 50 mm. (G = 80 GPaarrow_forwardQ.2 A hollow simple supported shaft 3m made of steel with di/do of 0.6. The shaft is subjected to a bending force of 4 KN and transmits 52 KW with 150 rpm. Find the outer and inner diameter of the shaft, if the ultimate shear stress of 600 MPa and allowable compression stress of 100 MPa, tack safety factor 7.arrow_forwardA hollow shaft with a length of 1103mm and outer diameter 73mm and inner diameter 50mm is required to tranmit a power of 60kW at a speed of 2950 rpm if the modulus of rigidity is 79.5GPa calculate the polar second moment of area of the shaftarrow_forward
- Problem:1 A solid circular shaft is subjected to a bending moment of 3000 N-m and a torque of 9000 N-m. The shaft is made of 45 C 8steel having ultimate tensile/ bending stress of 850 MPa and a Ultimate shear stress of 650 MPa. Assume a factor of safety of 10. Determine the diameter of the shaft from both theories.arrow_forwardA hollow shaft has an inner diameter of 0.035 m and an outerdiameter of 0.06 m. Compute for the torque if the shear stress isnot to exceed 120 MPa in Nm.arrow_forwardA 2 in diameter shaft uses a straight spline with seven splines and contact length of 1.5 in. Assuming it is designed to slide while under load, compute it torques transmission capacity at 100 rpm if h is 8% of that shaft diameter. Note S = 1200 psi.arrow_forward
- A shaft is designed to transmit power of 100 kW at 180 rpm. The allowable shear stress is 50MPa and modulus of rigidity of 80 GPa. The angle of twist is not to exceed to 1° in 4-meter length A. Calculate the diameter of the shaft in inches. B.If the shaft in A is to be fitted to a hub with material SAE 0105 and fit classification of FN3, what will be the maximum and minimum stresses based on the interference of metal.arrow_forwardA hollow shaft has to be designed for a marine engine delivering 1300 kW when running at 150 r/min. The maximum allowable shear stress is 65 MPa and the maximum torque to be transmitted by the shaft is 20 % greater than the mean torque. The internal diameter of the shaft is 50 % of that of the external diameter. Calculate: (a) the shaft dimensions and (b) the angle of twist of the shaft over 3 m when transmitting the above torque (G = 80 GPa).arrow_forwardA flange coupling having 6 bolts, each 18 mm in diameter, is used to transfer the power of a 75-mm diameter shaft that is transmitting 350 kW at 650 rpm. Compute the required diameter of the bolt circle (in meter) considering an average shearing stress on bolts of 28 MPa.arrow_forward
- A 5 ft long solid SAE4340 OQT1000 steel shaft is required to transmit a power of 180 HP. The shaft speed is 3,000 rpm. The allowable shear stress is 50 ksi and the allowable angle of twist per foot of length is 0.04 radians. Determine the minimum diameter that meets the design requirements.arrow_forwardA hollow shaft has to be designed for a marine engine delivering 1200 kW when running at 120 r/min. The maximum allowable shear stress is 50 MPa and the maximum torque to be transmitted by the shaft is 30 % greater than the mean torque. The internal diameter of the shaft is 50 % that of the external diameter. Calculate the shaft dimensions and the angle of twist of the shaft over 3 m when transmitting the above torque (G = 80 GPa).arrow_forwardIf the maximum permissible shearing stress is 10,000 psi, how many 3/8'' bolts arranged in a 5'' diameter bolt circle are required to transmit 100 hp at 315 rpm through a flanged coupling.arrow_forward
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Understanding Torsion; Author: The Efficient Engineer;https://www.youtube.com/watch?v=1YTKedLQOa0;License: Standard YouTube License, CC-BY