The shaft in the figure below rotates at speed n = 200 rpm. Pulley A of...
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The shaft in the figure below rotates at speed n = 200 rpm. Pulley A of a pitch diameter d = 460 mm receives 7.5 kW from below. Chain sprocket D with a pitch diameter d, = 200 mm delivers power to another shaft above. The pulley and the sprocket are keyed to the shaft and retained on one side with retaining rings. The material of the shaft is SAE 1117 cold-drawn steel (Sn = 552 Mpa; Sy = 448 MPa). Use the appropriate K, factors and the following factors: N= 2; Cm = C₁ = 1; C,= 0.75; CR= 0.81. Take a = 185 mm, b = 254 mm and c = 130 mm. (a) Compute the belt tensions F, and F2 at pulley A. (b) Compute the torque delivered to the shaft. (c) Compute the reactions at the bearings B and E. (d) Draw the load, shear force and bending moment diagrams for the shaft. (e) Determine the minimum acceptable diameter of the shaft at A, B and E. dflat-belt pulley b chain sprocket The shaft in the figure below rotates at speed n = 200 rpm. Pulley A of a pitch diameter d = 460 mm receives 7.5 kW from below. Chain sprocket D with a pitch diameter d, = 200 mm delivers power to another shaft above. The pulley and the sprocket are keyed to the shaft and retained on one side with retaining rings. The material of the shaft is SAE 1117 cold-drawn steel (Sn = 552 Mpa; Sy = 448 MPa). Use the appropriate K, factors and the following factors: N= 2; Cm = C₁ = 1; C,= 0.75; CR= 0.81. Take a = 185 mm, b = 254 mm and c = 130 mm. (a) Compute the belt tensions F, and F2 at pulley A. (b) Compute the torque delivered to the shaft. (c) Compute the reactions at the bearings B and E. (d) Draw the load, shear force and bending moment diagrams for the shaft. (e) Determine the minimum acceptable diameter of the shaft at A, B and E. dflat-belt pulley b chain sprocket
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Answer Solution Guiven Data n 2001pm Power 15 hp 1118 kW Tosegue of ... View the full answer
Related Book For
Shigleys Mechanical Engineering Design
ISBN: 978-1121345317
9th edition
Authors: Richard G. Budynas, J. Keith Nisbett
Posted Date:
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