Q3: A shaft, shown in Fig.3, is subjected to completely reversed force F = 2 kN. The material is AISI-1050 HR steel. Using 90% reliability, estimate the life of the shaft. 0 = 30 0 = 20 Fig.3 75 mm 50 mm F

Using the DE-Goodman criteria and a design factor of 1.5, calculatethe diameter based on the shaft’s loadings and your guess for theshaft’s diameter at the critical location. What is the shaft diameter? Material: 1030 Q and T → Sᵤₜ: 848 MPa, Sy: 648 MPa TM=306 NM MA=698.28 NM ta=0 mm=0

A jaw clutch for a 4 3/16 in shaft hasthree jaws with radial forces. The insidediameter is 4 3/8" outside diameter is 11 1/2 in and axial height of jaws is 2 in.The working stress in the shaft is 6,000psi. What is the bearing stress in jawfaces?   Ans:1020 psi

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Multi part question The rotating shaft shown is subjected to a constant force. Shaft material is AISI 1020 cold drawn steel. The shaft was turned on a lathe using standard carbide tooling. No heat treatment of the shaft was performed. Assume 99% reliability based on material property data. Shaft dimensions are shown in the illustration below. All dimensions in mm. External force is 3.927 kN. Calculate the highest alternating stress in the shaft, in MPa. -20 -35 D. 180- -500 3R. -280- -175- -50 D. 25 D.

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The rotating shaft shown in the figure is machined from AISI 1040 CD steel (sy = 490 MPa, Sut = 590 MPa). It is subjected to a transverse force of F = 8 kN between the supports. The system designed to be operated at a temperature of 120°C with a reliability of 99%. Estimate the number of cycles to failure. All dimensions are in mm. Assume all fillets are 3mm in radius. 25 D. 20 20 -35 D. 180- 3 R. 500 F 280 -175- -50 D. 25 D. | ª -20 20

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Write legibly, provide manual step by step solution, and diagram for below given problem. A 2.5 in diameter 10 spline shaft ( d= 0.86D, w= 0.156D, h= 0.07D ) to slide when not under load has a compressive force of 2500 lb. Find the torque applied if hub length is 1 1/2 in.  Ans. 2906.25 in-lb

A gear drive is required to transmit a maximum power of 22.5KW, the velocity ratio is 1:2 and the rpm of the pinion is 200 .the approximate center distance between the shaft may be taken as 600mm.the teeth has 20°stub involute profile.the static stress for the gear material ( which is cast iron ) may be taken as 60MPa and face width as 10 times the module.find the module, face width and number of teeth on each gear.Check the design for dynamic and wear loads. The deformation factor in the buckling equation may be taken as 80 and material combination factor for the wear as 1.4