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A countershaft made of AISI 1035 CD steel carrying two V-belt pulleys is shown in the figure Pulley A receives power from a motor through a belt with the belt tensions shown

A countershaft, made of AISI 1035 CD steel, carrying two V-belt pulleys is shown in the figure. Pulley A receives power from a motor through a belt with the belt tensions shown. The power is transmitted through the shaft and delivered to the belt on pulley B. Assume the belt tension on the loose side at B is 25 percent of the tension on the tight side (F2 - 0.25 F) 1) Based on the equations for yielding conditions discussed for MSS theory, check if the failure occurs or not. m) Plotting the failure loci in the σ4,0B plane to scale and check if the failure occurs or not, then for the stress state, plot the load line and by graphical measurement estimate the factor of safety. n) Assuming Syc -Syt - Sy, use two failure theories for ductile material with a new factor of safety of 2.5, determine the minimum shaft diameter to avoid yielding.y 250 400 35N 300 N 150 250 dia. 400dia. 20 dia. Dimensions in millimeters. F. A countershaft, made of AISI 1035 CD steel, carrying two V-belt pulleys is shown in the figure. Pulley A receives power from a motor through a belt with the belt tensions shown. The power is transmitted through the shaft and delivered to the belt on pulley B. Assume the belt tension on the loose side at B is 25 percent of the tension on the tight side (F2 - 0.25 F) 1) Based on the equations for yielding conditions discussed for MSS theory, check if the failure occurs or not. m) Plotting the failure loci in the σ4,0B plane to scale and check if the failure occurs or not, then for the stress state, plot the load line and by graphical measurement estimate the factor of safety. n) Assuming Syc -Syt - Sy, use two failure theories for ductile material with a new factor of safety of 2.5, determine the minimum shaft diameter to avoid yielding.y 250 400 35N 300 N 150 250 dia. 400dia. 20 dia. Dimensions in millimeters.

Apr 27 2020 View more View Less

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